/*
* 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.actionmanager;
import org.apache.ambari.server.orm.dao.HostRoleCommandDAO;
import org.apache.ambari.server.orm.entities.StageEntity;
import org.apache.ambari.server.state.Clusters;
import com.google.inject.Inject;
import com.google.inject.Injector;
import com.google.inject.Singleton;
import com.google.inject.assistedinject.Assisted;
@Singleton
public class StageFactoryImpl implements StageFactory {
private Injector injector;
@Inject
public StageFactoryImpl(Injector injector) {
this.injector = injector;
}
/**
* Constructor via the factory.
* @param requestId Unique identifier for the request
* @param logDir Directory to log to
* @param clusterName Cluster name
* @param clusterId Cluster ID
* @param requestContext Information about the context of the request
* @param commandParamsStage Information about the command parameters
* @param hostParamsStage Information about the host parameters for the stage
* @return An instance of a Stage with the provided params.
*/
@Override
public Stage createNew(long requestId,
@Assisted("logDir") String logDir,
@Assisted("clusterName") String clusterName,
@Assisted("clusterId") long clusterId,
@Assisted("requestContext") String requestContext,
@Assisted("commandParamsStage") String commandParamsStage,
@Assisted("hostParamsStage") String hostParamsStage) {
return new Stage(requestId, logDir, clusterName, clusterId, requestContext, commandParamsStage, hostParamsStage,
injector.getInstance(HostRoleCommandFactory.class),
injector.getInstance(ExecutionCommandWrapperFactory.class));
}
/**
* Constructor via the factory.
* @param stageEntity Existing stage entity to copy fields form.
* @return An instance of a Stage that is created using the provided stage as input.
*/
@Override
public Stage createExisting(@Assisted StageEntity stageEntity) {
return new Stage(stageEntity, injector.getInstance(HostRoleCommandDAO.class),
injector.getInstance(ActionDBAccessor.class), injector.getInstance(Clusters.class),
injector.getInstance(HostRoleCommandFactory.class),
injector.getInstance(ExecutionCommandWrapperFactory.class));
}
}