org.apache.openjpa.kernel.exps
Class ContainsKeyExpression

java.lang.Object
  org.apache.openjpa.kernel.exps.Exp
      org.apache.openjpa.kernel.exps.ContainsExpression
          org.apache.openjpa.kernel.exps.ContainsKeyExpression

All Implemented Interfaces:

Serializable, Expression

 class ContainsKeyExpression
extends ContainsExpression

Tests that a Map key set contains a value.

Author:

Abe White

Constructor Summary

ContainsKeyExpression(Val val1, Val val2)
Constructor.

Method Summary

protected Collection

getCollection(Object obj) Return the container collection for the given value.

Methods inherited from class org.apache.openjpa.kernel.exps.ContainsExpression

acceptVisit, eval, eval

Methods inherited from class org.apache.openjpa.kernel.exps.Exp

evaluate, evaluate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ContainsKeyExpression

public ContainsKeyExpression(Val val1,
                             Val val2)

Constructor.

Parameters:

val1 - the container value

val2 - the containee to test

Method Detail

getCollection

protected Collection getCollection(Object obj)

Description copied from class: ContainsExpression

Return the container collection for the given value.

Overrides:

getCollection in class ContainsExpression