com.bea.p13n.expression.operator.collection
Class CollectionContains

java.lang.Object
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  +--com.bea.p13n.expression.internal.ComplexExpressionImpl
        |
        +--com.bea.p13n.expression.operator.Operator
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              +--com.bea.p13n.expression.operator.collection.CollectionOperator
                    |
                    +--com.bea.p13n.expression.operator.collection.CollectionContains

public final class CollectionContains

extends CollectionOperator

Implementation of the CollectionContains operator. Returns true if a Collection contains a given item.
Input 1: A Collection object (or expression that evaluates to a Collection) that defines the Collection to be searched.
Input 2: An Object (or expression that evaluates to an Object) to be found. The semantics of how the search is carried out is defined by the Collection's underlying implementation of the contains method..
Returns: Boolean. Boolean.TRUE if the Collection.contains evaluates to true.

See Also:

Serialized Form

Constructor Summary

CollectionContains()

CollectionContains(java.lang.Object collection, java.lang.Object item)
Allocates a CollectionContains by associating the given operands.

Method Summary

java.lang.Class[]

getParameterSignature()

Methods inherited from class com.bea.p13n.expression.operator.collection.CollectionOperator

getLeftHandSide, getRightHandSide

Methods inherited from class com.bea.p13n.expression.operator.Operator

leftHandSide, operand, rightHandSide

Methods inherited from class com.bea.p13n.expression.internal.ComplexExpressionImpl

addListener, addSubExpression, clearCache, clone, createProxyExpression, equals, getCachedValue, getParent, getSource, getSubExpression, getSubExpressionCount, getUserData, hashCode, isCached, isCacheEnabled, isEqualitySubExpression, notifyListeners, removeAllSubExpressions, removeListener, removeSubExpression, removeSubExpression, setCachedValue, setCacheEnabled, setParent, setSource, setSubExpression, setUserData, toString, write

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

CollectionContains

public CollectionContains()

CollectionContains

public CollectionContains(java.lang.Object collection,
                          java.lang.Object item)

Allocates a CollectionContains by associating the given operands.

Parameters:

collection - The Collection object to operate on.

item - An Object that is acting as a second operand.

Method Detail

getParameterSignature

public java.lang.Class[] getParameterSignature()

Overrides:

getParameterSignature in class com.bea.p13n.expression.internal.ComplexExpressionImpl