/**
* 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.api.resources;
import org.apache.ambari.server.api.query.QueryImpl;
import org.apache.ambari.server.controller.spi.Resource;
import org.apache.ambari.server.controller.utilities.ClusterControllerHelper;
import java.util.Map;
/**
* Factory for creating resource instances.
*/
public class ResourceInstanceFactoryImpl implements ResourceInstanceFactory {
@Override
public ResourceInstance createResource(Resource.Type type, Map<Resource.Type, String> mapIds) {
/**
* The resource definition for the specified type.
*/
ResourceDefinition resourceDefinition = getResourceDefinition(type, mapIds);
return new QueryImpl(mapIds, resourceDefinition, ClusterControllerHelper.getClusterController());
}
/**
* Get a resource definition for the given type.
*
* @param type the resource type
* @param mapIds the map of ids
*
* @return the resource definition
*/
public static ResourceDefinition getResourceDefinition(Resource.Type type, Map<Resource.Type, String> mapIds) {
ResourceDefinition resourceDefinition;
//todo: consider ResourceDependencyManager : Map<Resource.Type, ResourceDefinition>
switch (type) {
case Cluster:
resourceDefinition = new ClusterResourceDefinition();
break;
case Service:
resourceDefinition = new ServiceResourceDefinition();
break;
case Host:
resourceDefinition = mapIds.containsKey(Resource.Type.Cluster) ?
new HostResourceDefinition() : new DetachedHostResourceDefinition();
break;
case Component:
resourceDefinition = new ComponentResourceDefinition();
break;
case HostComponent:
resourceDefinition = new HostComponentResourceDefinition();
break;
case Action:
resourceDefinition = new ActionResourceDefinition();
break;
case Configuration:
resourceDefinition = new ConfigurationResourceDefinition();
break;
case Task:
resourceDefinition = new TaskResourceDefinition();
break;
case User:
resourceDefinition = new UserResourceDefinition();
break;
case Request:
resourceDefinition = new RequestResourceDefinition();
break;
case Stack:
resourceDefinition = new StackResourceDefinition();
break;
case StackVersion:
resourceDefinition = new StackVersionResourceDefinition();
break;
case StackService:
resourceDefinition = new StackServiceResourceDefinition();
break;
case StackServiceComponent:
resourceDefinition = new StackServiceComponentResourceDefinition();
break;
case StackConfiguration:
resourceDefinition = new StackConfigurationResourceDefinition();
break;
case OperatingSystem:
resourceDefinition = new OperatingSystemResourceDefinition();
break;
case Repository:
resourceDefinition = new RepositoryResourceDefinition();
break;
case DRFeed:
resourceDefinition = new FeedResourceDefinition();
break;
case DRTargetCluster:
resourceDefinition = new TargetClusterResourceDefinition();
break;
case DRInstance:
resourceDefinition = new InstanceResourceDefinition();
break;
case Workflow:
resourceDefinition = new WorkflowResourceDefinition();
break;
case Job:
resourceDefinition = new JobResourceDefinition();
break;
case TaskAttempt:
resourceDefinition = new TaskAttemptResourceDefinition();
break;
case RootService:
resourceDefinition = new RootServiceResourceDefinition();
break;
case RootServiceComponent:
resourceDefinition = new RootServiceComponentResourceDefinition();
break;
case RootServiceHostComponent:
resourceDefinition = new RootServiceHostComponentResourceDefinition();
break;
case ConfigGroup:
resourceDefinition = new ConfigGroupResourceDefinition();
break;
default:
throw new IllegalArgumentException("Unsupported resource type: " + type);
}
return resourceDefinition;
}
}