org.apache.ambari.server.controller.predicate

Class EqualsPredicate<T>

java.lang.Object

org.apache.ambari.server.controller.predicate.PropertyPredicate

org.apache.ambari.server.controller.predicate.ComparisonPredicate<T>

org.apache.ambari.server.controller.predicate.EqualsPredicate<T>

All Implemented Interfaces:

BasePredicate, PredicateVisitorAcceptor, Predicate

public class EqualsPredicate<T>
extends ComparisonPredicate<T>

Predicate that checks equality of a given value to a Resource property.

Constructor Summary

Constructors

Constructor and Description
EqualsPredicate(String propertyId, Comparable<T> value)

Method Summary

Modifier and Type	Method and Description
ComparisonPredicate<T>	copy(String propertyId)
boolean	evaluate(Resource resource) Evaluate the predicate for the given resource.
boolean	evaluateIgnoreCase(Resource resource) Case insensitive equality support for string types
String	getOperator()

Methods inherited from class org.apache.ambari.server.controller.predicate.ComparisonPredicate

accept, compareValueTo, compareValueToIgnoreCase, equals, getValue, hashCode, toString

Methods inherited from class org.apache.ambari.server.controller.predicate.PropertyPredicate

getPropertyId, getPropertyIds

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ambari.server.controller.predicate.BasePredicate

getPropertyIds

Constructor Detail

EqualsPredicate

public EqualsPredicate(String propertyId,
                       Comparable<T> value)

Method Detail

evaluate

public boolean evaluate(Resource resource)

Description copied from interface: Predicate

Evaluate the predicate for the given resource.

Parameters:

resource - the resource to evaluate the predicate against

Returns:

the result of applying the predicate to the given resource

evaluateIgnoreCase

public boolean evaluateIgnoreCase(Resource resource)

Case insensitive equality support for string types

Parameters:

resource -

Returns:

getOperator

public String getOperator()

Specified by:

getOperator in class ComparisonPredicate<T>

copy

public ComparisonPredicate<T> copy(String propertyId)

Specified by:

copy in class ComparisonPredicate<T>