org.apache.openjpa.persistence.query
Class ExistsExpression

java.lang.Object
  extended by org.apache.openjpa.persistence.query.AbstractVisitable
      extended by org.apache.openjpa.persistence.query.UnaryExpressionPredicate
          extended by org.apache.openjpa.persistence.query.ExistsExpression
All Implemented Interfaces:
Serializable, Predicate, Visitable

public class ExistsExpression
extends UnaryExpressionPredicate

Denotes EXISTS(SubQuery) Expression.

Author:
Pinaki Poddar
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.openjpa.persistence.query.UnaryExpressionPredicate
_e, _op
 
Fields inherited from class org.apache.openjpa.persistence.query.AbstractVisitable
CLOSE_BRACE, COMMA, EMPTY, OPEN_BRACE, SPACE
 
Constructor Summary
ExistsExpression(QueryDefinitionImpl op)
           
 
Method Summary
 
Methods inherited from class org.apache.openjpa.persistence.query.UnaryExpressionPredicate
and, asExpression, getOperand, getOperator, not, or
 
Methods inherited from class org.apache.openjpa.persistence.query.AbstractVisitable
asJoinable, asProjection, getAliasHint
 
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, asProjection, getAliasHint
 

Constructor Detail

ExistsExpression

public ExistsExpression(QueryDefinitionImpl op)


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