Package 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:
$Id$

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    private final org.apache.commons.logging.Log
    log
     
    private org.apache.commons.collections.Predicate
    predicate
    Predicate to be applied to the property value
    private String
    propertyName
    Name of the property whose value will be predicated

  • Constructor Summary

    Constructors
    Constructor
    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
    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

  • Field Details

    • log

      private final org.apache.commons.logging.Log log

    • propertyName

      private String propertyName
      Name of the property whose value will be predicated

    • predicate

      private org.apache.commons.collections.Predicate predicate
      Predicate to be applied to the property value

  • Constructor Details

    • 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 Details

    • 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