CurrentTimeExpression (OpenJPA Parent POM 2.4.2 API)

java.lang.Object
- org.apache.openjpa.persistence.query.CurrentTimeExpression

All Implemented Interfaces:

Serializable, Expression, OrderByItem, PredicateOperand, SelectItem, Visitable
```
public class CurrentTimeExpression
extends Object
```
Denotes CURRENT_TIME(), CURRENT_DATE() and CURRENT_TIMESTAMP() expressions.

Author:

Pinaki Poddar

See Also:
Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

static String CLOSE_BRACE

static String COMMA

static String EMPTY

static String OPEN_BRACE

static String SPACE

Fields
Modifier and Type	Field and Description
`static String`	`CLOSE_BRACE`
`static String`	`COMMA`
`static String`	`EMPTY`
`static String`	`OPEN_BRACE`
`static String`	`SPACE`

Constructor Summary

Constructors
Constructor and Description

CurrentTimeExpression(Class operand)

Constructors
Constructor and Description
`CurrentTimeExpression(Class operand)`

Method Summary

Methods
Modifier and Type	Method and Description
`Expression`	`abs()` Absolute value.
`OrderByItem`	`asc()` Return an OrderByItem referencing the SelectItem and specifying ascending ordering.
`String`	`asExpression(org.apache.openjpa.persistence.query.AliasContext ctx)` Get a JPQL fragment as used in WHERE clause.
`String`	`asJoinable(org.apache.openjpa.persistence.query.AliasContext ctx)` Gets the string representation in FROM clause.
`String`	`asProjection(org.apache.openjpa.persistence.query.AliasContext ctx)` Gets the string representation in SELECT projection.
`Predicate`	`between(Calendar arg1, Calendar arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(Calendar arg1, PredicateOperand arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(Date arg1, Date arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(Date arg1, PredicateOperand arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(Number arg1, Number arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(Number arg1, PredicateOperand arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(PredicateOperand arg1, Calendar arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(PredicateOperand arg1, Date arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(PredicateOperand arg1, Number arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(PredicateOperand arg1, PredicateOperand arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(PredicateOperand arg1, String arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(String arg1, PredicateOperand arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Predicate`	`between(String arg1, String arg2)` Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
`Expression`	`concat(Expression... exprs)` Concatenate a string with other string(s).
`Expression`	`concat(String... str)` Concatenate a string with other string(s).
`OrderByItem`	`desc()` Return an OrderByItem referencing the SelectItem and specifying descending ordering.
`Expression`	`dividedBy(Expression expr)` Division.
`Expression`	`dividedBy(Number num)` Division.
`Predicate`	`equal(boolean arg)` Create a predicate for testing equality with the specified argument.
`Predicate`	`equal(Calendar arg)` Create a predicate for testing equality with the specified argument.
`Predicate`	`equal(Class cls)` Create a predicate for testing equality with the specified argument.
`Predicate`	`equal(Date arg)` Create a predicate for testing equality with the specified argument.
`Predicate`	`equal(Enum<?> e)` Create a predicate for testing equality with the specified argument.
`Predicate`	`equal(Number arg)` Create a predicate for testing equality with the specified argument.
`Predicate`	`equal(PredicateOperand arg)` Create a predicate for testing equality with the specified argument.
`Predicate`	`equal(String arg)` Create a predicate for testing equality with the specified argument.
`String`	`getAliasHint(org.apache.openjpa.persistence.query.AliasContext ctx)` Gets the hint to be used while creating alias.
`Predicate`	`greaterEqual(Calendar arg)` Create a predicate for testing whether the PredicateOperand is greater than or equal to the argument.
`Predicate`	`greaterEqual(Date arg)` Create a predicate for testing whether the PredicateOperand is greater than or equal to the argument.
`Predicate`	`greaterEqual(Number arg)` Create a predicate for testing whether the PredicateOperand is greater than or equal to the argument.
`Predicate`	`greaterEqual(PredicateOperand arg)` Create a predicate for testing whether the PredicateOperand is greater than or equal to the argument.
`Predicate`	`greaterEqual(String arg)` Create a predicate for testing whether the PredicateOperand is greater than or equal to the argument.
`Predicate`	`greaterThan(Calendar arg)` Create a predicate for testing whether the PredicateOperand is greater than the argument.
`Predicate`	`greaterThan(Date arg)` Create a predicate for testing whether the PredicateOperand is greater than the argument.
`Predicate`	`greaterThan(Number arg)` Create a predicate for testing whether the PredicateOperand is greater than the argument.
`Predicate`	`greaterThan(PredicateOperand arg)` Create a predicate for testing whether the PredicateOperand is greater than the argument.
`Predicate`	`greaterThan(String arg)` Create a predicate for testing whether the PredicateOperand is greater than the argument.
`Predicate`	`in(Class... classes)` Create a predicate for testing whether the expression value is a member of the argument list.
`Predicate`	`in(Enum<?>... enums)` Create a predicate for testing whether the expression value is a member of the argument list.
`Predicate`	`in(Expression... params)` Create a predicate for testing whether the expression value is a member of the argument list.
`Predicate`	`in(Number... nums)` Create a predicate for testing whether the expression value is a member of the argument list.
`Predicate`	`in(String... strings)` Create a predicate for testing whether the expression value is a member of the argument list.
`Predicate`	`in(Subquery subquery)` Create a predicate for testing whether the expression value is a member of a subquery result.
`Predicate`	`isNull()` Create a predicate for testing whether the value of the expression is null.
`Expression`	`length()` String length This method must be invoked on an expression corresponding to a string.
`Predicate`	`lessEqual(Calendar arg)` Create a predicate for testing whether the PredicateOperand is less than or equal to the argument.
`Predicate`	`lessEqual(Date arg)` Create a predicate for testing whether the PredicateOperand is less than or equal to the argument.
`Predicate`	`lessEqual(Number arg)` Create a predicate for testing whether the PredicateOperand is less than or equal to the argument.
`Predicate`	`lessEqual(PredicateOperand arg)` Create a predicate for testing whether the PredicateOperand is less than or equal to the argument.
`Predicate`	`lessEqual(String arg)` Create a predicate for testing whether the PredicateOperand is less than or equal to the argument.
`Predicate`	`lessThan(Calendar arg)` Create a predicate for testing whether the PredicateOperand is less than the argument.
`Predicate`	`lessThan(Date arg)` Create a predicate for testing whether the PredicateOperand is less than the argument.
`Predicate`	`lessThan(Number arg)` Create a predicate for testing whether the PredicateOperand is less than the argument.
`Predicate`	`lessThan(PredicateOperand arg)` Create a predicate for testing whether the PredicateOperand is less than the argument.
`Predicate`	`lessThan(String arg)` Create a predicate for testing whether the PredicateOperand is less than the argument.
`Predicate`	`like(PredicateOperand pattern)` Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
`Predicate`	`like(PredicateOperand pattern, char escapeChar)` Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
`Predicate`	`like(PredicateOperand pattern, PredicateOperand escChar)` Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
`Predicate`	`like(String pattern)` Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
`Predicate`	`like(String pattern, char escChar)` Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
`Predicate`	`like(String pattern, PredicateOperand escapeChar)` Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
`Expression`	`locate(Expression expr)` Locate a string contained within the string corresponding to the expression on which the method was invoked.
`Expression`	`locate(Expression str, Expression position)` Locate a string contained within the string corresponding to the expression on which the method was invoked, starting at a specified search position.
`Expression`	`locate(Expression str, int position)` Locate a string contained within the string corresponding to the expression on which the method was invoked, starting at a specified search position.
`Expression`	`locate(String str)` Locate a string contained within the string corresponding to the expression on which the method was invoked.
`Expression`	`locate(String str, Expression position)` Locate a string contained within the string corresponding to the expression on which the method was invoked, starting at a specified search position.
`Expression`	`locate(String str, int position)` Locate a string contained within the string corresponding to the expression on which the method was invoked, starting at a specified search position.
`Expression`	`lower()` Convert string to lowercase.
`Predicate`	`member(PathExpression arg)` Create a predicate for testing whether the expression is a member of the association or element collection denoted by the path expression.
`Expression`	`minus()` Unary minus.
`Expression`	`minus(Expression expr)` Subtraction.
`Expression`	`minus(Number num)` Subtraction.
`Expression`	`mod(Expression expr)` Modulo operation.
`Expression`	`mod(int num)` Modulo operation.
`Predicate`	`notEqual(boolean arg)` Create a predicate for testing inequality with the specified argument.
`Predicate`	`notEqual(Calendar arg)` Create a predicate for testing inequality with the specified argument.
`Predicate`	`notEqual(Class cls)` Create a predicate for testing inequality with the specified argument.
`Predicate`	`notEqual(Date arg)` Create a predicate for testing inequality with the specified argument.
`Predicate`	`notEqual(Enum<?> e)` Create a predicate for testing inequality with the specified argument.
`Predicate`	`notEqual(Number arg)` Create a predicate for testing inequality with the specified argument.
`Predicate`	`notEqual(PredicateOperand arg)` Create a predicate for testing inequality with the specified argument.
`Predicate`	`notEqual(String arg)` Create a predicate for testing inequality with the specified argument.
`Expression`	`plus(Expression expr)` Addition.
`Expression`	`plus(Number num)` Addition.
`Expression`	`sqrt()` Square root.
`Expression`	`substring(Expression start)` Extract a substring starting at specified position through to the end of the string.
`Expression`	`substring(Expression start, Expression len)` Extract a substring.
`Expression`	`substring(Expression start, int len)` Extract a substring.
`Expression`	`substring(int start)` Extract a substring starting at specified position through to the end of the string.
`Expression`	`substring(int start, Expression len)` Extract a substring.
`Expression`	`substring(int start, int len)` Extract a substring.
`Expression`	`times(Expression expr)` Multiplication.
`Expression`	`times(Number num)` Multiplication.
`Expression`	`trim()` Trim leading and trailing blanks.
`Expression`	`trim(char c)` Trim leading and trailing occurrences of character from the string.
`Expression`	`trim(char c, TrimSpec spec)` Trim occurrences of the character from leading or trailing (or both) positions of the string, as specified by trim spec.
`Expression`	`trim(Expression expr)` Trim leading and trailing occurrences of character specified by the expression argument from the string.
`Expression`	`trim(Expression expr, TrimSpec spec)` Trim occurrences of the character specified by the expression argument from leading or trailing (or both) positions of the string, as specified by trim spec.
`Expression`	`trim(TrimSpec spec)` Trim leading, trailing blanks (or both) as specified by trim spec.
`Expression`	`upper()` Convert string to uppercase.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.openjpa.persistence.query.Visitable
asJoinable

- Field Detail
  - SPACE
```
public static final String SPACE
```
    See Also:
    Constant Field Values
  - OPEN_BRACE
```
public static final String OPEN_BRACE
```
    See Also:
    Constant Field Values
  - CLOSE_BRACE
```
public static final String CLOSE_BRACE
```
    See Also:
    Constant Field Values
  - COMMA
```
public static final String COMMA
```
    See Also:
    Constant Field Values
  - EMPTY
```
public static final String EMPTY
```
    See Also:
    Constant Field Values
- Constructor Detail
  - CurrentTimeExpression
```
public CurrentTimeExpression(Class operand)
```
- Method Detail
  - asExpression
```
public String asExpression(org.apache.openjpa.persistence.query.AliasContext ctx)
```
    Description copied from interface: Visitable
    
    Get a JPQL fragment as used in WHERE clause.
    
    Specified by:
    
    asExpression in interface Visitable
  - asProjection
```
public String asProjection(org.apache.openjpa.persistence.query.AliasContext ctx)
```
    Description copied from interface: Visitable
    
    Gets the string representation in SELECT projection.
    
    Specified by:
    
    asProjection in interface Visitable
  - abs
```
public Expression abs()
```
    Description copied from interface: Expression
    
    Absolute value. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    abs in interface Expression
    
    Returns:
    expression corresponding to the absolute value
  - concat
```
public Expression concat(String... str)
```
    Description copied from interface: Expression
    
    Concatenate a string with other string(s). This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    concat in interface Expression
    
    Parameters:
    str - - string(s)
    
    Returns:
    expression denoting the concatenation of the strings, starting with the string corresponding to the expression on which the method was invoked.
  - concat
```
public Expression concat(Expression... exprs)
```
    Description copied from interface: Expression
    
    Concatenate a string with other string(s). This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    concat in interface Expression
    
    Parameters:
    exprs - - expression(s) corresponding to string(s)
    
    Returns:
    expression denoting the concatenation of the strings, starting with the string corresponding to the expression on which the method was invoked.
  - dividedBy
```
public Expression dividedBy(Number num)
```
    Description copied from interface: Expression
    
    Division. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    dividedBy in interface Expression
    
    Parameters:
    num - - divisor
    
    Returns:
    expression denoting the result of dividing the number corresponding to the expression on which the method was invoked by the argument
  - dividedBy
```
public Expression dividedBy(Expression expr)
```
    Description copied from interface: Expression
    
    Division. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    dividedBy in interface Expression
    
    Parameters:
    expr - - expression corresponding to the divisor
    
    Returns:
    expression denoting the result of dividing the number corresponding to the expression on which the method was invoked by the number denoted by the argument
  - in
```
public Predicate in(String... strings)
```
    Description copied from interface: Expression
    
    Create a predicate for testing whether the expression value is a member of the argument list.
    
    Specified by:
    
    in in interface Expression
    
    Returns:
    conditional predicate
  - in
```
public Predicate in(Number... nums)
```
    Description copied from interface: Expression
    
    Create a predicate for testing whether the expression value is a member of the argument list.
    
    Specified by:
    
    in in interface Expression
    
    Returns:
    conditional predicate
  - in
```
public Predicate in(Enum<?>... enums)
```
    Description copied from interface: Expression
    
    Create a predicate for testing whether the expression value is a member of the argument list.
    
    Specified by:
    
    in in interface Expression
    
    Returns:
    conditional predicate
  - in
```
public Predicate in(Class... classes)
```
    Description copied from interface: Expression
    
    Create a predicate for testing whether the expression value is a member of the argument list.
    
    Specified by:
    
    in in interface Expression
    
    Returns:
    conditional predicate
  - in
```
public Predicate in(Expression... params)
```
    Description copied from interface: Expression
    
    Create a predicate for testing whether the expression value is a member of the argument list.
    
    Specified by:
    
    in in interface Expression
    
    Returns:
    conditional predicate
  - in
```
public Predicate in(Subquery subquery)
```
    Description copied from interface: Expression
    
    Create a predicate for testing whether the expression value is a member of a subquery result.
    
    Specified by:
    
    in in interface Expression
    
    Returns:
    conditional predicate
  - isNull
```
public Predicate isNull()
```
    Description copied from interface: Expression
    
    Create a predicate for testing whether the value of the expression is null.
    
    Specified by:
    
    isNull in interface Expression
    
    Returns:
    conditional predicate
  - length
```
public Expression length()
```
    Description copied from interface: Expression
    
    String length This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    length in interface Expression
    
    Returns:
    expression denoting the length of the string.
  - locate
```
public Expression locate(String str)
```
    Description copied from interface: Expression
    
    Locate a string contained within the string corresponding to the expression on which the method was invoked. The search is started at position 1 (first string position). This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    locate in interface Expression
    
    Parameters:
    str - - string to be located
    
    Returns:
    expression denoting the first position at which the string was found or expression denoting 0 if the string was not found
  - locate
```
public Expression locate(Expression expr)
```
    Description copied from interface: Expression
    
    Locate a string contained within the string corresponding to the expression on which the method was invoked. The search is started at position 1 (first string position). This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    locate in interface Expression
    
    Parameters:
    expr - - expression corresponding to the string to be located
    
    Returns:
    expression denoting the first position at which the string was found or expression denoting 0 if the string was not found
  - locate
```
public Expression locate(String str,
                int position)
```
    Description copied from interface: Expression
    
    Locate a string contained within the string corresponding to the expression on which the method was invoked, starting at a specified search position. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    locate in interface Expression
    
    Parameters:
    str - - string to be located
    position - - position at which to start the search
    
    Returns:
    expression denoting the first position at which the string was found or expression denoting 0 if the string was not found
  - locate
```
public Expression locate(String str,
                Expression position)
```
    Description copied from interface: Expression
    
    Locate a string contained within the string corresponding to the expression on which the method was invoked, starting at a specified search position. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    locate in interface Expression
    
    Parameters:
    str - - string to be located
    position - - expression corresponding to position at which to start the search
    
    Returns:
    expression denoting the first position at which the string was found or expression denoting 0 if the string was not found
  - locate
```
public Expression locate(Expression str,
                int position)
```
    Description copied from interface: Expression
    
    Locate a string contained within the string corresponding to the expression on which the method was invoked, starting at a specified search position. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    locate in interface Expression
    
    Parameters:
    str - - expression corresponding to the string to be located
    position - - position at which to start the search
    
    Returns:
    expression denoting the first position at which the string was found or expression denoting 0 if the string was not found
  - locate
```
public Expression locate(Expression str,
                Expression position)
```
    Description copied from interface: Expression
    
    Locate a string contained within the string corresponding to the expression on which the method was invoked, starting at a specified search position. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    locate in interface Expression
    
    Parameters:
    str - - expression corresponding to the string to be located
    position - - expression corresponding to position at which to start the search
    
    Returns:
    expression denoting the first position at which the string was found or expression denoting 0 if the string was not found
  - lower
```
public Expression lower()
```
    Description copied from interface: Expression
    
    Convert string to lowercase. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    lower in interface Expression
    
    Returns:
    expression denoting the string in lowercase
  - member
```
public Predicate member(PathExpression arg)
```
    Description copied from interface: Expression
    
    Create a predicate for testing whether the expression is a member of the association or element collection denoted by the path expression. The argument must correspond to a collection-valued association or element collection of like type.
    
    Specified by:
    
    member in interface Expression
    
    Parameters:
    arg - - a path expression that specifies a collection-valued association or an element collection
    
    Returns:
    conditional predicate
  - minus
```
public Expression minus()
```
    Description copied from interface: Expression
    
    Unary minus. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    minus in interface Expression
    
    Returns:
    expression denoting the unary minus of the expression
  - minus
```
public Expression minus(Number num)
```
    Description copied from interface: Expression
    
    Subtraction. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    minus in interface Expression
    
    Parameters:
    num - - subtrahend
    
    Returns:
    expression denoting the result of subtracting the argument from the number corresponding to the expression on which the method was invoked.
  - minus
```
public Expression minus(Expression expr)
```
    Description copied from interface: Expression
    
    Subtraction. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    minus in interface Expression
    
    Parameters:
    expr - - expression corresponding to subtrahend
    
    Returns:
    expression denoting the result of subtracting the number denoted by the argument from the number corresponding to the expression on which the method was invoked.
  - mod
```
public Expression mod(int num)
```
    Description copied from interface: Expression
    
    Modulo operation. This must be invoked on an expression corresponding to an integer value
    
    Specified by:
    
    mod in interface Expression
    
    Parameters:
    num - - integer divisor
    
    Returns:
    expression corresponding to the integer remainder of the division of the integer corresponding to the expression on which the method was invoked by the argument.
  - mod
```
public Expression mod(Expression expr)
```
    Description copied from interface: Expression
    
    Modulo operation. This must be invoked on an expression corresponding to an integer value
    
    Specified by:
    
    mod in interface Expression
    
    Parameters:
    expr - - expression corresponding to integer divisor
    
    Returns:
    expression corresponding to the integer remainder of the division of the integer corresponding to the expression on which the method was invoked by the argument.
  - plus
```
public Expression plus(Number num)
```
    Description copied from interface: Expression
    
    Addition. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    plus in interface Expression
    
    Parameters:
    num - - number to be added
    
    Returns:
    expression denoting the sum
  - plus
```
public Expression plus(Expression expr)
```
    Description copied from interface: Expression
    
    Addition. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    plus in interface Expression
    
    Parameters:
    expr - - expression corresponding to number to be added
    
    Returns:
    expression denoting the sum
  - sqrt
```
public Expression sqrt()
```
    Description copied from interface: Expression
    
    Square root. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    sqrt in interface Expression
    
    Returns:
    expression corresponding to the square root
  - substring
```
public Expression substring(int start)
```
    Description copied from interface: Expression
    
    Extract a substring starting at specified position through to the end of the string. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    substring in interface Expression
    
    Parameters:
    start - - start position (1 indicates first position)
    
    Returns:
    expression denoting the extracted substring
  - substring
```
public Expression substring(Expression start)
```
    Description copied from interface: Expression
    
    Extract a substring starting at specified position through to the end of the string. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    substring in interface Expression
    
    Parameters:
    start - - expression denoting start position (1 indicates first position)
    
    Returns:
    expression denoting the extracted substring
  - substring
```
public Expression substring(int start,
                   int len)
```
    Description copied from interface: Expression
    
    Extract a substring. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    substring in interface Expression
    
    Parameters:
    start - - start position (1 indicates first position)
    len - - length of the substring to be returned
    
    Returns:
    expression denoting the extracted substring
  - substring
```
public Expression substring(int start,
                   Expression len)
```
    Description copied from interface: Expression
    
    Extract a substring. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    substring in interface Expression
    
    Parameters:
    start - - start position (1 indicates first position)
    len - - expression denoting length of the substring to return
    
    Returns:
    expression denoting the extracted substring
  - substring
```
public Expression substring(Expression start,
                   int len)
```
    Description copied from interface: Expression
    
    Extract a substring. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    substring in interface Expression
    
    Parameters:
    start - - expression denoting start position (1 indicates first position)
    len - - length of the substring to return
    
    Returns:
    expression denoting the extracted substring
  - substring
```
public Expression substring(Expression start,
                   Expression len)
```
    Description copied from interface: Expression
    
    Extract a substring. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    substring in interface Expression
    
    Parameters:
    start - - expression denoting start position (1 indicates first position)
    len - - expression denoting length of the substring to return
    
    Returns:
    expression denoting the extracted substring
  - times
```
public Expression times(Number num)
```
    Description copied from interface: Expression
    
    Multiplication. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    times in interface Expression
    
    Parameters:
    num - - multiplier
    
    Returns:
    expression denoting the result of multiplying the argument with the number corresponding to the expression on which the method was invoked.
  - times
```
public Expression times(Expression expr)
```
    Description copied from interface: Expression
    
    Multiplication. This method must be invoked on an expression corresponding to a number.
    
    Specified by:
    
    times in interface Expression
    
    Parameters:
    expr - - expression corresponding to the multiplier
    
    Returns:
    expression denoting the result of multiplying the number denoted by the argument with the number corresponding to the expression on which the method was invoked.
  - trim
```
public Expression trim()
```
    Description copied from interface: Expression
    
    Trim leading and trailing blanks. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    trim in interface Expression
    
    Returns:
    expression denoting trimmed string
  - trim
```
public Expression trim(TrimSpec spec)
```
    Description copied from interface: Expression
    
    Trim leading, trailing blanks (or both) as specified by trim spec. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    trim in interface Expression
    
    Parameters:
    spec - - trim specification
    
    Returns:
    expression denoting trimmed string
  - trim
```
public Expression trim(char c)
```
    Description copied from interface: Expression
    
    Trim leading and trailing occurrences of character from the string. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    trim in interface Expression
    
    Parameters:
    c - - character to be trimmed
    
    Returns:
    expression denoting trimmed string
  - trim
```
public Expression trim(char c,
              TrimSpec spec)
```
    Description copied from interface: Expression
    
    Trim occurrences of the character from leading or trailing (or both) positions of the string, as specified by trim spec. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    trim in interface Expression
    
    Parameters:
    c - - character to be trimmed
    spec - - trim specification
    
    Returns:
    expression denoting trimmed string
  - trim
```
public Expression trim(Expression expr)
```
    Description copied from interface: Expression
    
    Trim leading and trailing occurrences of character specified by the expression argument from the string. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    trim in interface Expression
    
    Parameters:
    expr - - expression corresponding to the character to be trimmed
    
    Returns:
    expression denoting trimmed string
  - trim
```
public Expression trim(Expression expr,
              TrimSpec spec)
```
    Description copied from interface: Expression
    
    Trim occurrences of the character specified by the expression argument from leading or trailing (or both) positions of the string, as specified by trim spec. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    trim in interface Expression
    
    Parameters:
    expr - - expression corresponding to the character to be trimmed
    spec - - trim specification
    
    Returns:
    expression denoting trimmed string
  - upper
```
public Expression upper()
```
    Description copied from interface: Expression
    
    Convert string to uppercase. This method must be invoked on an expression corresponding to a string.
    
    Specified by:
    
    upper in interface Expression
    
    Returns:
    expression denoting the string in uppercase
  - asc
```
public OrderByItem asc()
```
    Description copied from interface: SelectItem
    
    Return an OrderByItem referencing the SelectItem and specifying ascending ordering. The SelectItem must correspond to an orderable value.
    
    Specified by:
    
    asc in interface SelectItem
    
    Returns:
    order-by item
  - desc
```
public OrderByItem desc()
```
    Description copied from interface: SelectItem
    
    Return an OrderByItem referencing the SelectItem and specifying descending ordering. The SelectItem must correspond to an orderable value.
    
    Specified by:
    
    desc in interface SelectItem
    
    Returns:
    order-by item
  - between
```
public Predicate between(PredicateOperand arg1,
                PredicateOperand arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - PredicateOperand instance or parameter
    arg2 - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(PredicateOperand arg1,
                Number arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - PredicateOperand instance or parameter
    arg2 - - numeric
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(Number arg1,
                PredicateOperand arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - numeric
    arg2 - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(Number arg1,
                Number arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - numeric
    arg2 - - numeric
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(PredicateOperand arg1,
                String arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - PredicateOperand instance or parameter
    arg2 - - string
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(String arg1,
                PredicateOperand arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - string
    arg2 - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(String arg1,
                String arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - string
    arg2 - - string
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(PredicateOperand arg1,
                Date arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - PredicateOperand instance or parameter
    arg2 - - date
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(Date arg1,
                PredicateOperand arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - date
    arg2 - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(Date arg1,
                Date arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - date
    arg2 - - date
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(PredicateOperand arg1,
                Calendar arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - PredicateOperand instance or parameter
    arg2 - - calendar
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(Calendar arg1,
                PredicateOperand arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - calendar
    arg2 - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - between
```
public Predicate between(Calendar arg1,
                Calendar arg2)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand lies between (inclusive) the two arguments.
    
    Specified by:
    
    between in interface PredicateOperand
    
    Parameters:
    arg1 - - calendar
    arg2 - - calendar
    
    Returns:
    conditional predicate
  - equal
```
public Predicate equal(PredicateOperand arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing equality with the specified argument.
    
    Specified by:
    
    equal in interface PredicateOperand
    
    Parameters:
    arg - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - equal
```
public Predicate equal(Class cls)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing equality with the specified argument.
    
    Specified by:
    
    equal in interface PredicateOperand
    
    Parameters:
    cls - - entity class
    
    Returns:
    conditional predicate
  - equal
```
public Predicate equal(Number arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing equality with the specified argument.
    
    Specified by:
    
    equal in interface PredicateOperand
    
    Parameters:
    arg - - numeric
    
    Returns:
    conditional predicate
  - equal
```
public Predicate equal(String arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing equality with the specified argument.
    
    Specified by:
    
    equal in interface PredicateOperand
    
    Parameters:
    arg - - string value
    
    Returns:
    conditional predicate
  - equal
```
public Predicate equal(boolean arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing equality with the specified argument.
    
    Specified by:
    
    equal in interface PredicateOperand
    
    Parameters:
    arg - - boolean value
    
    Returns:
    conditional predicate
  - equal
```
public Predicate equal(Date arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing equality with the specified argument.
    
    Specified by:
    
    equal in interface PredicateOperand
    
    Parameters:
    arg - - date
    
    Returns:
    conditional predicate
  - equal
```
public Predicate equal(Calendar arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing equality with the specified argument.
    
    Specified by:
    
    equal in interface PredicateOperand
    
    Parameters:
    arg - - calendar
    
    Returns:
    conditional predicate
  - equal
```
public Predicate equal(Enum<?> e)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing equality with the specified argument.
    
    Specified by:
    
    equal in interface PredicateOperand
    
    Parameters:
    e - - enum
    
    Returns:
    conditional predicate
  - greaterEqual
```
public Predicate greaterEqual(PredicateOperand arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is greater than or equal to the argument.
    
    Specified by:
    
    greaterEqual in interface PredicateOperand
    
    Parameters:
    arg - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - greaterEqual
```
public Predicate greaterEqual(Number arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is greater than or equal to the argument.
    
    Specified by:
    
    greaterEqual in interface PredicateOperand
    
    Parameters:
    arg - - numeric
    
    Returns:
    conditional predicate
  - greaterEqual
```
public Predicate greaterEqual(String arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is greater than or equal to the argument.
    
    Specified by:
    
    greaterEqual in interface PredicateOperand
    
    Parameters:
    arg - - string
    
    Returns:
    conditional predicate
  - greaterEqual
```
public Predicate greaterEqual(Date arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is greater than or equal to the argument.
    
    Specified by:
    
    greaterEqual in interface PredicateOperand
    
    Parameters:
    arg - - date
    
    Returns:
    conditional predicate
  - greaterEqual
```
public Predicate greaterEqual(Calendar arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is greater than or equal to the argument.
    
    Specified by:
    
    greaterEqual in interface PredicateOperand
    
    Parameters:
    arg - - calendar
    
    Returns:
    conditional predicate
  - greaterThan
```
public Predicate greaterThan(PredicateOperand arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is greater than the argument.
    
    Specified by:
    
    greaterThan in interface PredicateOperand
    
    Parameters:
    arg - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - greaterThan
```
public Predicate greaterThan(Number arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is greater than the argument.
    
    Specified by:
    
    greaterThan in interface PredicateOperand
    
    Parameters:
    arg - - numeric
    
    Returns:
    conditional predicate
  - greaterThan
```
public Predicate greaterThan(String arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is greater than the argument.
    
    Specified by:
    
    greaterThan in interface PredicateOperand
    
    Parameters:
    arg - - string
    
    Returns:
    conditional predicate
  - greaterThan
```
public Predicate greaterThan(Date arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is greater than the argument.
    
    Specified by:
    
    greaterThan in interface PredicateOperand
    
    Parameters:
    arg - - date
    
    Returns:
    conditional predicate
  - greaterThan
```
public Predicate greaterThan(Calendar arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is greater than the argument.
    
    Specified by:
    
    greaterThan in interface PredicateOperand
    
    Parameters:
    arg - - calendar
    
    Returns:
    conditional predicate
  - lessEqual
```
public Predicate lessEqual(PredicateOperand arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is less than or equal to the argument.
    
    Specified by:
    
    lessEqual in interface PredicateOperand
    
    Parameters:
    arg - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - lessEqual
```
public Predicate lessEqual(Number arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is less than or equal to the argument.
    
    Specified by:
    
    lessEqual in interface PredicateOperand
    
    Parameters:
    arg - - numeric
    
    Returns:
    conditional predicate
  - lessEqual
```
public Predicate lessEqual(String arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is less than or equal to the argument.
    
    Specified by:
    
    lessEqual in interface PredicateOperand
    
    Parameters:
    arg - - string
    
    Returns:
    conditional predicate
  - lessEqual
```
public Predicate lessEqual(Date arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is less than or equal to the argument.
    
    Specified by:
    
    lessEqual in interface PredicateOperand
    
    Parameters:
    arg - - date
    
    Returns:
    conditional predicate
  - lessEqual
```
public Predicate lessEqual(Calendar arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is less than or equal to the argument.
    
    Specified by:
    
    lessEqual in interface PredicateOperand
    
    Parameters:
    arg - - calendar
    
    Returns:
    conditional predicate
  - lessThan
```
public Predicate lessThan(PredicateOperand arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is less than the argument.
    
    Specified by:
    
    lessThan in interface PredicateOperand
    
    Parameters:
    arg - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - lessThan
```
public Predicate lessThan(Number arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is less than the argument.
    
    Specified by:
    
    lessThan in interface PredicateOperand
    
    Parameters:
    arg - - numeric
    
    Returns:
    conditional predicate
  - lessThan
```
public Predicate lessThan(String arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is less than the argument.
    
    Specified by:
    
    lessThan in interface PredicateOperand
    
    Parameters:
    arg - - string
    
    Returns:
    conditional predicate
  - lessThan
```
public Predicate lessThan(Date arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is less than the argument.
    
    Specified by:
    
    lessThan in interface PredicateOperand
    
    Parameters:
    arg - - date
    
    Returns:
    conditional predicate
  - lessThan
```
public Predicate lessThan(Calendar arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand is less than the argument.
    
    Specified by:
    
    lessThan in interface PredicateOperand
    
    Parameters:
    arg - - calendar
    
    Returns:
    conditional predicate
  - like
```
public Predicate like(PredicateOperand pattern)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
    
    Specified by:
    
    like in interface PredicateOperand
    
    Returns:
    conditional predicate
  - like
```
public Predicate like(PredicateOperand pattern,
             PredicateOperand escChar)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
    
    Specified by:
    
    like in interface PredicateOperand
    
    Returns:
    conditional predicate
  - like
```
public Predicate like(PredicateOperand pattern,
             char escapeChar)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
    
    Specified by:
    
    like in interface PredicateOperand
    
    Returns:
    conditional predicate
  - like
```
public Predicate like(String pattern)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
    
    Specified by:
    
    like in interface PredicateOperand
    
    Returns:
    conditional predicate
  - like
```
public Predicate like(String pattern,
             PredicateOperand escapeChar)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
    
    Specified by:
    
    like in interface PredicateOperand
    
    Returns:
    conditional predicate
  - like
```
public Predicate like(String pattern,
             char escChar)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing whether the PredicateOperand satisfies the given pattern.
    
    Specified by:
    
    like in interface PredicateOperand
    
    Returns:
    conditional predicate
  - notEqual
```
public Predicate notEqual(PredicateOperand arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing inequality with the specified argument.
    
    Specified by:
    
    notEqual in interface PredicateOperand
    
    Parameters:
    arg - - PredicateOperand instance or parameter
    
    Returns:
    conditional predicate
  - notEqual
```
public Predicate notEqual(Class cls)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing inequality with the specified argument.
    
    Specified by:
    
    notEqual in interface PredicateOperand
    
    Parameters:
    cls - - entity class
    
    Returns:
    conditional predicate
  - notEqual
```
public Predicate notEqual(Number arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing inequality with the specified argument.
    
    Specified by:
    
    notEqual in interface PredicateOperand
    
    Parameters:
    arg - - numberic value
    
    Returns:
    conditional predicate
  - notEqual
```
public Predicate notEqual(String arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing inequality with the specified argument.
    
    Specified by:
    
    notEqual in interface PredicateOperand
    
    Parameters:
    arg - - string value
    
    Returns:
    conditional predicate
  - notEqual
```
public Predicate notEqual(boolean arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing inequality with the specified argument.
    
    Specified by:
    
    notEqual in interface PredicateOperand
    
    Parameters:
    arg - - boolean value
    
    Returns:
    conditional predicate
  - notEqual
```
public Predicate notEqual(Date arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing inequality with the specified argument.
    
    Specified by:
    
    notEqual in interface PredicateOperand
    
    Parameters:
    arg - - date
    
    Returns:
    conditional predicate
  - notEqual
```
public Predicate notEqual(Calendar arg)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing inequality with the specified argument.
    
    Specified by:
    
    notEqual in interface PredicateOperand
    
    Parameters:
    arg - - calendar
    
    Returns:
    conditional predicate
  - notEqual
```
public Predicate notEqual(Enum<?> e)
```
    Description copied from interface: PredicateOperand
    
    Create a predicate for testing inequality with the specified argument.
    
    Specified by:
    
    notEqual in interface PredicateOperand
    
    Parameters:
    e - - enum
    
    Returns:
    conditional predicate
  - getAliasHint
```
public String getAliasHint(org.apache.openjpa.persistence.query.AliasContext ctx)
```
    Description copied from interface: Visitable
    
    Gets the hint to be used while creating alias.
    
    Specified by:
    
    getAliasHint in interface Visitable
  - asJoinable
```
public String asJoinable(org.apache.openjpa.persistence.query.AliasContext ctx)
```
    Description copied from interface: Visitable
    
    Gets the string representation in FROM clause.
    
    Specified by:
    
    asJoinable in interface Visitable

Class CurrentTimeExpression

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface org.apache.openjpa.persistence.query.Visitable

Field Detail

SPACE

OPEN_BRACE

CLOSE_BRACE

COMMA

EMPTY

Constructor Detail

CurrentTimeExpression

Method Detail

asExpression

asProjection

abs

concat

concat

dividedBy

dividedBy

in

in

in

in

in

in

isNull

length

locate

locate

locate

locate

locate

locate

lower

member

minus

minus

minus

mod

mod

plus

plus

sqrt

substring

substring

substring

substring

substring

substring

times

times

trim

trim

trim

trim

trim

trim

upper

asc

desc

between

between

between

between

between

between

between

between

between

between

between

between

between

equal

equal

equal

equal