content: /*
   * 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;
  
  /**
   * Extended resource provider interface that adds the ability to return a
   * {@link org.apache.ambari.server.controller.spi.QueryResponse} from a
   * resource query.
   *
   * If a resource provider supports paging and/or sorting of the resources
   * acquired through a query then it should implement
   * {@link org.apache.ambari.server.controller.spi.ExtendedResourceProvider}.
   */
  public interface ExtendedResourceProvider extends ResourceProvider {
    /**
     * Query for resources that match the given predicate.
     *
     * @param request    the request object which defines the desired set of properties
     * @param predicate  the predicate object which can be used to filter which
     *                   resources are returned
     *
     * @return the response from the resource query
     *
     * @throws SystemException an internal system exception occurred
     * @throws UnsupportedPropertyException the request contains unsupported property ids
     * @throws NoSuchResourceException the requested resource instance doesn't exist
     * @throws NoSuchParentResourceException a parent resource of the requested resource doesn't exist
     */
    QueryResponse queryForResources(Request request, Predicate predicate)
        throws SystemException,
        UnsupportedPropertyException,
        NoSuchResourceException,
        NoSuchParentResourceException;
  }
  