Package org.apache.commons.beanutils2

Class BeanPredicate<T>

java.lang.Object

org.apache.commons.beanutils2.BeanPredicate<T>

Type Parameters:

T - the type of the input to the predicate

All Implemented Interfaces:

Predicate<T>

public class BeanPredicate<T>
extends Object
implements Predicate<T>

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

Constructor Summary

Constructors

Constructor	Description
BeanPredicate(String propertyName, Predicate<T> predicate)	Constructs a BeanPredicate that applies the given Predicate to the named property value.

Method Summary

Modifier and Type	Method	Description
Predicate<T>	getPredicate()	Gets the Predicate to be applied to the value of the named property during test(Object).
String	getPropertyName()	Gets the name of the property whose value is to be predicated. in the evaluation.
void	setPredicate(Predicate<T> predicate)	Sets the Predicate to be applied to the value of the named property during test(Object).
void	setPropertyName(String propertyName)	Sets the name of the property whose value is to be predicated.
boolean	test(Object object)	Evaluates the given object by applying the getPredicate() to a property value named by getPropertyName().

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Predicate

and, negate, or

Constructor Details

BeanPredicate

public BeanPredicate(String propertyName,
 Predicate<T> 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 Details

getPredicate

public Predicate<T> getPredicate()

Gets the Predicate to be applied to the value of the named property during test(Object).

Returns:

Predicate, not null

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

setPredicate

public void setPredicate(Predicate<T> predicate)

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

Parameters:

predicate - Predicate, 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

test

public boolean test(Object object)

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

Specified by:

test in interface Predicate<T>

Parameters:

object - The object to test

Returns:

the result of the predicate evaluation

Throws:

IllegalArgumentException - when the property cannot be evaluated