2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 * ============LICENSE_END=========================================================
28 package org.openecomp.appc.executor.impl;
31 import java.time.Instant;
32 import java.time.temporal.ChronoUnit;
33 import java.util.concurrent.TimeUnit;
35 import org.apache.commons.lang.ObjectUtils;
36 import org.openecomp.appc.domainmodel.lcm.RuntimeContext;
37 import org.openecomp.appc.domainmodel.lcm.ActionLevel;
38 import org.openecomp.appc.exceptions.APPCException;
39 import org.openecomp.appc.executionqueue.ExecutionQueueService;
40 import org.openecomp.appc.executionqueue.impl.ExecutionQueueServiceFactory;
41 import org.openecomp.appc.executor.CommandExecutor;
43 import com.att.eelf.configuration.EELFLogger;
44 import com.att.eelf.configuration.EELFManager;
47 public class CommandExecutorImpl implements CommandExecutor {
49 private CommandTaskFactory executionTaskFactory ;
50 private static final EELFLogger logger = EELFManager.getInstance().getLogger(CommandExecutorImpl.class);
52 private ExecutionQueueService executionQueueService;
53 private ExpiredMessageHandler expiredMessageHandler;
55 public CommandExecutorImpl(){
59 public void setExecutionQueueService(ExecutionQueueService executionQueueService) {
60 this.executionQueueService = executionQueueService;
63 public void setExpiredMessageHandler(ExpiredMessageHandler expiredMessageHandler) {
64 this.expiredMessageHandler = expiredMessageHandler;
67 public void initialize() {
68 logger.info("initialization started of CommandExecutorImpl");
69 executionQueueService = ExecutionQueueServiceFactory.getExecutionQueueService();
70 executionQueueService.registerMessageExpirationListener(expiredMessageHandler);
73 public void setExecutionTaskFactory(CommandTaskFactory executionTaskFactory) {
74 this.executionTaskFactory = executionTaskFactory;
78 * Execute given command
79 * Create command request and enqueue it for execution.
80 * @param commandExecutorInput Contains CommandHeader, command , target Id , payload and conf ID (optional)
81 * @throws APPCException in case of error.
84 public void executeCommand (RuntimeContext commandExecutorInput) throws APPCException{
85 if (logger.isTraceEnabled()) {
86 logger.trace("Entering to executeCommand with CommandExecutorInput = "+ ObjectUtils.toString(commandExecutorInput));
88 enqueRequest(commandExecutorInput);
89 if (logger.isTraceEnabled()) {
90 logger.trace("Exiting from executeCommand");
94 private RuntimeContext getCommandRequest(RuntimeContext commandExecutorInput){
95 if (logger.isTraceEnabled()) {
96 logger.trace("Entering to getCommandRequest with CommandExecutorInput = "+ ObjectUtils.toString(commandExecutorInput));
98 RuntimeContext commandRequest;
99 commandRequest = commandExecutorInput;
100 if (logger.isTraceEnabled()) {
101 logger.trace("Exiting from getCommandRequest with (CommandRequest = "+ ObjectUtils.toString(commandRequest)+")");
103 return commandRequest;
106 @SuppressWarnings("unchecked")
107 private void enqueRequest(RuntimeContext request) throws APPCException{
108 if (logger.isTraceEnabled()) {
109 logger.trace("Entering to enqueRequest with CommandRequest = "+ ObjectUtils.toString(request));
112 String action = request.getRequestContext().getAction().name();
113 CommandTask commandTask = executionTaskFactory.getExecutionTask(request);
114 long remainingTTL = getRemainingTTL(request);
115 executionQueueService.putMessage(commandTask,remainingTTL, TimeUnit.MILLISECONDS);
116 } catch (Exception e) {
117 logger.error("Exception: "+e.getMessage());
118 throw new APPCException(e);
121 if (logger.isTraceEnabled()) {
122 logger.trace("Exiting from enqueRequest");
126 private long getRemainingTTL(RuntimeContext request) {
127 Instant requestTimestamp = request.getRequestContext().getCommonHeader().getTimeStamp();
128 int ttl = request.getRequestContext().getCommonHeader().getFlags().getTtl();
129 return ChronoUnit.MILLIS.between(Instant.now(), requestTimestamp.plusSeconds(ttl));
132 private CommandTask getMessageExecutor(RuntimeContext request){
133 if (logger.isTraceEnabled()) {
134 logger.trace("Entering to getMessageExecutor with command = "+ request);
136 CommandTask executionTask = executionTaskFactory.getExecutionTask(request);
137 if (logger.isTraceEnabled()) {
138 logger.trace("Exiting from getMessageExecutor");
140 return executionTask;