org.apache.openjpa.kernel.exps
Class BindKeyVariableExpression

java.lang.Object
  org.apache.openjpa.kernel.exps.Exp
      org.apache.openjpa.kernel.exps.BindVariableExpression
          org.apache.openjpa.kernel.exps.BindKeyVariableExpression

All Implemented Interfaces:

Serializable, Expression

 class BindKeyVariableExpression
extends BindVariableExpression

BindVariableExpression for map key sets.

Author:

Abe White

Constructor Summary

BindKeyVariableExpression(BoundVariable var, Val val)
Constructor.

Method Summary

protected Collection

getCollection(Object values) Return a collection for the given object, produced by eval'ing the value of this expression.

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

acceptVisit, eval, eval, getVariable, getVariableValues

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

BindKeyVariableExpression

public BindKeyVariableExpression(BoundVariable var,
                                 Val val)

Constructor.

Parameters:

var - the bound variable

val - the value the variable is bound to

Method Detail

getCollection

protected Collection getCollection(Object values)

Description copied from class: BindVariableExpression

Return a collection for the given object, produced by eval'ing the value of this expression. Simply casts the object to a collection by default.

Overrides:

getCollection in class BindVariableExpression