/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ambari.server.controller.spi;
/**
* The predicate is used to filter the resources returned from the cluster
* controller. The predicate can examine a resource object and determine
* whether or not it should be included in the returned results.
*/
public interface Predicate {
/**
* Evaluate the predicate for the given resource.
*
* @param resource the resource to evaluate the predicate against
* @return the result of applying the predicate to the given resource
*/
boolean evaluate(Resource resource);
}