org.apache.openjpa.persistence.query
Class LocateExpression

java.lang.Object
  extended by org.apache.openjpa.persistence.query.AbstractVisitable
      extended by org.apache.openjpa.persistence.query.ExpressionImpl
          extended by org.apache.openjpa.persistence.query.BinaryOperatorExpression
              extended by org.apache.openjpa.persistence.query.LocateExpression
All Implemented Interfaces:
Serializable, Expression, OrderByItem, PredicateOperand, SelectItem, Visitable

public class LocateExpression
extends BinaryOperatorExpression

Denotes LOCATE(e1, e2, n) Expression. e1 : string to be located e2 : string to be searched n : starting poistion in e2, default is 1

Author:
Pinaki Poddar
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.openjpa.persistence.query.BinaryOperatorExpression
_e1, _e2, _op
 
Fields inherited from class org.apache.openjpa.persistence.query.AbstractVisitable
CLOSE_BRACE, COMMA, EMPTY, OPEN_BRACE, SPACE
 
Constructor Summary
LocateExpression(Expression key, Expression str, Expression start)
           
LocateExpression(Expression key, Expression str, int start)
           
LocateExpression(Expression key, String str, Expression start)
           
LocateExpression(Expression key, String str, int start)
           
 
Method Summary
 String asExpression(AliasContext ctx)
          Get a JPQL fragment as used in WHERE clause.
 
Methods inherited from class org.apache.openjpa.persistence.query.BinaryOperatorExpression
asProjection, getOperand1, getOperand2, getOperator
 
Methods inherited from class org.apache.openjpa.persistence.query.ExpressionImpl
abs, asc, between, between, between, between, between, between, between, between, between, between, between, between, between, concat, concat, desc, dividedBy, dividedBy, equal, equal, equal, equal, equal, equal, equal, equal, getAliasHint, greaterEqual, greaterEqual, greaterEqual, greaterEqual, greaterEqual, greaterThan, greaterThan, greaterThan, greaterThan, greaterThan, in, in, in, in, in, in, isNull, length, lessEqual, lessEqual, lessEqual, lessEqual, lessEqual, lessThan, lessThan, lessThan, lessThan, lessThan, like, like, like, like, like, like, locate, locate, locate, locate, locate, locate, lower, member, minus, minus, minus, mod, mod, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, plus, plus, sqrt, substring, substring, substring, substring, substring, substring, times, times, trim, trim, trim, trim, trim, trim, upper
 
Methods inherited from class org.apache.openjpa.persistence.query.AbstractVisitable
asJoinable
 
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
 

Constructor Detail

LocateExpression

public LocateExpression(Expression key,
                        String str,
                        int start)

LocateExpression

public LocateExpression(Expression key,
                        Expression str,
                        int start)

LocateExpression

public LocateExpression(Expression key,
                        String str,
                        Expression start)

LocateExpression

public LocateExpression(Expression key,
                        Expression str,
                        Expression start)
Method Detail

asExpression

public String asExpression(AliasContext ctx)
Description copied from interface: Visitable
Get a JPQL fragment as used in WHERE clause.

Specified by:
asExpression in interface Visitable
Overrides:
asExpression in class BinaryOperatorExpression


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