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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* ================================================================================
* Modifications Copyright (C) 2019 Ericsson
* =============================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.appc.executor.impl;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import org.apache.commons.lang.ObjectUtils;
import org.onap.appc.domainmodel.lcm.CommonHeader;
import org.onap.appc.exceptions.APPCException;
import org.onap.appc.executionqueue.ExecutionQueueService;
import org.onap.appc.executor.CommandExecutor;
import org.onap.appc.executor.impl.objects.CommandRequest;
import org.onap.appc.executor.objects.CommandExecutorInput;
import org.onap.appc.requesthandler.RequestHandler;
import org.onap.appc.workflow.WorkFlowManager;
import java.util.Date;
import java.util.concurrent.TimeUnit;
public class CommandExecutorImpl implements CommandExecutor {
private final EELFLogger logger = EELFManager.getInstance().getLogger(CommandExecutorImpl.class);
private ExecutionQueueService executionQueueService;
private RequestHandler requestHandler;
private WorkFlowManager workflowManager;
/**
* Initialization.
* <p>Used through blueprint.
*/
public void initialize() {
logger.info("initialization of CommandExecutorImpl started");
}
public void setExecutionQueueService(ExecutionQueueService executionQueueService) {
this.executionQueueService = executionQueueService;
}
public void setWorkflowManager(WorkFlowManager workflowManager) {
this.workflowManager = workflowManager;
}
public void setRequestHandler(RequestHandler requestHandler) {
this.requestHandler = requestHandler;
}
/**
* Execute given command
* Create command request and enqueue it for execution.
* @param commandExecutorInput Contains CommandHeader, command , target Id , payload and conf ID (optional)
* @throws APPCException in case of error.
*/
@Override
public void executeCommand (CommandExecutorInput commandExecutorInput) throws APPCException{
logger.trace("Entering executeCommand with CommandExecutorInput = "
+ ObjectUtils.toString(commandExecutorInput));
CommandTask commandTask;
try {
commandTask = getCommandTask(requestHandler, workflowManager);
commandTask.setCommandRequest(new CommandRequest(commandExecutorInput));
long remainingTTL = getRemainingTTL(commandTask.getCommandRequest());
logger.trace("Queuing request with CommandRequest = "
+ ObjectUtils.toString(commandTask.getCommandRequest()));
executionQueueService.putMessage(commandTask, remainingTTL, TimeUnit.MILLISECONDS);
} catch (Exception e) {
logger.error("Exception: " + e.getMessage());
throw new APPCException(e);
}
logger.trace("Exiting from executeCommand");
}
private long getRemainingTTL(CommandRequest request) {
CommonHeader hdr = request.getCommandExecutorInput().getRuntimeContext().getRequestContext().getCommonHeader();
Date requestTimestamp = hdr.getTimeStamp();
int ttl = hdr.getFlags().getTtl();
return ttl*1000 + requestTimestamp.getTime() - System.currentTimeMillis();
}
protected CommandTask getCommandTask(RequestHandler requestHandler, WorkFlowManager workflowManager) {
return new CommandTask(requestHandler, workflowManager);
}
}
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