org.apache.openjpa.persistence.query
Class VarArgsExpression

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.VarArgsExpression
All Implemented Interfaces:
Serializable, Expression, OrderByItem, PredicateOperand, SelectItem, Visitable

public class VarArgsExpression
extends ExpressionImpl

A expression that holds an array of Expressions. Used as operand for CONCAT(e1,e2,e3,...), for example. Different than ArrayExpression which represents a single expression with array of values.

Author:
Pinaki Poddar
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.openjpa.persistence.query.AbstractVisitable
CLOSE_BRACE, COMMA, EMPTY, OPEN_BRACE, SPACE
 
Constructor Summary
VarArgsExpression(Expression[] values)
           
 
Method Summary
 String asExpression(AliasContext ctx)
          Get a JPQL fragment as used in WHERE clause.
 String asProjection(AliasContext ctx)
          Gets the string representation in SELECT projection.
 
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

VarArgsExpression

public VarArgsExpression(Expression[] values)
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 AbstractVisitable

asProjection

public String asProjection(AliasContext ctx)
Description copied from interface: Visitable
Gets the string representation in SELECT projection.

Specified by:
asProjection in interface Visitable
Overrides:
asProjection in class AbstractVisitable


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