org.apache.commons.beanutils

Class BeanPredicate

java.lang.Object

org.apache.commons.beanutils.BeanPredicate

All Implemented Interfaces:

org.apache.commons.collections.Predicate

public class BeanPredicate
extends Object
implements org.apache.commons.collections.Predicate

Predicate implementation that applies the given Predicate to the result of calling the given property getter.

Version:

$Id$

Constructor Summary

Constructors

Constructor and Description
BeanPredicate(String propertyName, org.apache.commons.collections.Predicate predicate) Constructs a BeanPredicate that applies the given Predicate to the named property value.

Method Summary

Modifier and Type	Method and Description
boolean	evaluate(Object object) Evaluates the given object by applying the getPredicate() to a property value named by getPropertyName().
org.apache.commons.collections.Predicate	getPredicate() Gets the Predicate to be applied to the value of the named property during evaluate(java.lang.Object).
String	getPropertyName() Gets the name of the property whose value is to be predicated.
void	setPredicate(org.apache.commons.collections.Predicate predicate) Sets the Predicate to be applied to the value of the named property during evaluate(Object).
void	setPropertyName(String propertyName) Sets the name of the property whose value is to be predicated.

Methods inherited from class java.lang.Object

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

Constructor Detail

BeanPredicate

public BeanPredicate(String propertyName,
                     org.apache.commons.collections.Predicate predicate)

Constructs a BeanPredicate that applies the given Predicate to the named property value.

Parameters:

propertyName - the name of the property whose value is to be predicated, not null

predicate - the Predicate to be applied, not null

Method Detail

evaluate

public boolean evaluate(Object object)

Evaluates the given object by applying the getPredicate() to a property value named by getPropertyName().

Specified by:

evaluate in interface org.apache.commons.collections.Predicate

Parameters:

object - The object being evaluated

Returns:

the result of the predicate evaluation

Throws:

IllegalArgumentException - when the property cannot be evaluated

getPropertyName

public String getPropertyName()

Gets the name of the property whose value is to be predicated. in the evaluation.

Returns:

the property name, not null

setPropertyName

public void setPropertyName(String propertyName)

Sets the name of the property whose value is to be predicated.

Parameters:

propertyName - the name of the property whose value is to be predicated, not null

getPredicate

public org.apache.commons.collections.Predicate getPredicate()

Gets the Predicate to be applied to the value of the named property during evaluate(java.lang.Object).

Returns:

Predicate, not null

setPredicate

public void setPredicate(org.apache.commons.collections.Predicate predicate)

Sets the Predicate to be applied to the value of the named property during evaluate(Object).

Parameters:

predicate - Predicate, not null