2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
25 package org.openecomp.appc.executor.impl;
28 import java.util.Date;
29 import java.util.concurrent.TimeUnit;
31 import org.apache.commons.lang.ObjectUtils;
32 import org.openecomp.appc.exceptions.APPCException;
33 import org.openecomp.appc.executionqueue.ExecutionQueueService;
34 import org.openecomp.appc.executionqueue.impl.ExecutionQueueServiceFactory;
35 import org.openecomp.appc.executor.CommandExecutor;
36 import org.openecomp.appc.executor.impl.objects.CommandRequest;
37 import org.openecomp.appc.executor.impl.objects.LCMCommandRequest;
38 import org.openecomp.appc.executor.impl.objects.LCMReadOnlyCommandRequest;
39 import org.openecomp.appc.executor.objects.CommandExecutorInput;
40 import com.att.eelf.configuration.EELFLogger;
41 import com.att.eelf.configuration.EELFManager;
44 public class CommandExecutorImpl implements CommandExecutor {
46 private CommandTaskFactory executionTaskFactory ;
47 private static final EELFLogger logger = EELFManager.getInstance().getLogger(CommandExecutorImpl.class);
49 private ExecutionQueueService executionQueueService;
50 private ExpiredMessageHandler expiredMessageHandler;
52 public CommandExecutorImpl(){
56 public void setExecutionQueueService(ExecutionQueueService executionQueueService) {
57 this.executionQueueService = executionQueueService;
60 public void setExpiredMessageHandler(ExpiredMessageHandler expiredMessageHandler) {
61 this.expiredMessageHandler = expiredMessageHandler;
64 public void initialize() {
65 logger.info("initialization started of CommandExecutorImpl");
66 executionQueueService = ExecutionQueueServiceFactory.getExecutionQueueService();
67 executionQueueService.registerMessageExpirationListener(expiredMessageHandler);
70 public void setExecutionTaskFactory(CommandTaskFactory executionTaskFactory) {
71 this.executionTaskFactory = executionTaskFactory;
75 * Execute given command
76 * Create command request and enqueue it for execution.
77 * @param commandExecutorInput Contains CommandHeader, command , target Id , payload and conf ID (optional)
78 * @throws APPCException in case of error.
81 public void executeCommand (CommandExecutorInput commandExecutorInput) throws APPCException{
82 if (logger.isTraceEnabled()) {
83 logger.trace("Entering to executeCommand with CommandExecutorInput = "+ ObjectUtils.toString(commandExecutorInput));
85 CommandRequest request = getCommandRequest(commandExecutorInput);
86 enqueRequest(request);
87 if (logger.isTraceEnabled()) {
88 logger.trace("Exiting from executeCommand");
92 private CommandRequest getCommandRequest(CommandExecutorInput commandExecutorInput){
93 if (logger.isTraceEnabled()) {
94 logger.trace("Entering to getCommandRequest with CommandExecutorInput = "+ ObjectUtils.toString(commandExecutorInput));
96 CommandRequest commandRequest;
98 switch(commandExecutorInput.getRuntimeContext().getRequestContext().getAction()){
100 commandRequest = new LCMReadOnlyCommandRequest(commandExecutorInput);
103 commandRequest = new LCMReadOnlyCommandRequest(commandExecutorInput);
106 commandRequest = new LCMCommandRequest(commandExecutorInput);
109 if (logger.isTraceEnabled()) {
110 logger.trace("Exiting from getCommandRequest with (CommandRequest = "+ ObjectUtils.toString(commandRequest)+")");
112 return commandRequest;
115 @SuppressWarnings("unchecked")
116 private void enqueRequest(CommandRequest request) throws APPCException{
117 if (logger.isTraceEnabled()) {
118 logger.trace("Entering to enqueRequest with CommandRequest = "+ ObjectUtils.toString(request));
121 CommandTask commandTask = getMessageExecutor(request.getCommandExecutorInput().getRuntimeContext().getRequestContext().getAction().name());
122 commandTask.setCommandRequest(request);
123 long remainingTTL = getRemainingTTL(request);
124 executionQueueService.putMessage(commandTask,remainingTTL, TimeUnit.MILLISECONDS);
125 } catch (Exception e) {
126 logger.error("Exception: "+e.getMessage());
127 throw new APPCException(e);
130 if (logger.isTraceEnabled()) {
131 logger.trace("Exiting from enqueRequest");
135 private long getRemainingTTL(CommandRequest request) {
136 Date requestTimestamp = request.getCommandExecutorInput().getRuntimeContext().getRequestContext().getCommonHeader().getTimeStamp();
137 int ttl = request.getCommandExecutorInput().getRuntimeContext().getRequestContext().getCommonHeader().getFlags().getTtl();
138 return ttl*1000 + requestTimestamp.getTime() - System.currentTimeMillis();
141 private CommandTask getMessageExecutor(String action){
142 if (logger.isTraceEnabled()) {
143 logger.trace("Entering to getMessageExecutor with command = "+ action);
145 CommandTask executionTask = executionTaskFactory.getExecutionTask(action);
146 if (logger.isTraceEnabled()) {
147 logger.trace("Exiting from getMessageExecutor");
149 return executionTask;