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 com.att.eelf.configuration.EELFLogger;
32 import com.att.eelf.configuration.EELFManager;
33 import org.apache.commons.lang.ObjectUtils;
34 import org.openecomp.appc.domainmodel.lcm.RuntimeContext;
35 import org.openecomp.appc.exceptions.APPCException;
36 import org.openecomp.appc.executionqueue.ExecutionQueueService;
37 import org.openecomp.appc.executor.CommandExecutor;
39 import java.time.Instant;
40 import java.time.temporal.ChronoUnit;
41 import java.util.concurrent.TimeUnit;
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() {
57 * Injected by blueprint
59 * @param executionQueueService
61 public void setExecutionQueueService(ExecutionQueueService executionQueueService) {
62 this.executionQueueService = executionQueueService;
66 * Injected by blueprint
67 * @param expiredMessageHandler
69 public void setExpiredMessageHandler(ExpiredMessageHandler expiredMessageHandler) {
70 this.expiredMessageHandler = expiredMessageHandler;
73 public void initialize() {
74 logger.info("initialization started of CommandExecutorImpl");
75 executionQueueService.registerMessageExpirationListener(expiredMessageHandler);
78 public void setExecutionTaskFactory(CommandTaskFactory executionTaskFactory) {
79 this.executionTaskFactory = executionTaskFactory;
83 * Execute given command
84 * Create command request and enqueue it for execution.
86 * @param commandExecutorInput Contains CommandHeader, command , target Id , payload and conf ID (optional)
87 * @throws APPCException in case of error.
90 public void executeCommand(RuntimeContext commandExecutorInput) throws APPCException {
91 if (logger.isTraceEnabled()) {
92 logger.trace("Entering to executeCommand with CommandExecutorInput = " + ObjectUtils.toString(commandExecutorInput));
94 enqueRequest(commandExecutorInput);
95 if (logger.isTraceEnabled()) {
96 logger.trace("Exiting from executeCommand");
100 private RuntimeContext getCommandRequest(RuntimeContext commandExecutorInput) {
101 if (logger.isTraceEnabled()) {
102 logger.trace("Entering to getCommandRequest with CommandExecutorInput = " + ObjectUtils.toString(commandExecutorInput));
104 RuntimeContext commandRequest;
105 commandRequest = commandExecutorInput;
106 if (logger.isTraceEnabled()) {
107 logger.trace("Exiting from getCommandRequest with (CommandRequest = " + ObjectUtils.toString(commandRequest) + ")");
109 return commandRequest;
112 @SuppressWarnings("unchecked")
113 private void enqueRequest(RuntimeContext request) throws APPCException {
114 if (logger.isTraceEnabled()) {
115 logger.trace("Entering to enqueRequest with CommandRequest = " + ObjectUtils.toString(request));
118 CommandTask commandTask = executionTaskFactory.getExecutionTask(request);
120 long remainingTTL = getRemainingTTL(request);
122 executionQueueService.putMessage(commandTask, remainingTTL, TimeUnit.MILLISECONDS);
123 } catch (Exception e) {
124 logger.error("Exception: " + e.getMessage());
125 throw new APPCException(e);
128 if (logger.isTraceEnabled()) {
129 logger.trace("Exiting from enqueRequest");
133 private long getRemainingTTL(RuntimeContext request) {
134 Instant requestTimestamp = request.getRequestContext().getCommonHeader().getTimeStamp();
135 int ttl = request.getRequestContext().getCommonHeader().getFlags().getTtl();
136 return ChronoUnit.MILLIS.between(Instant.now(), requestTimestamp.plusSeconds(ttl));
139 private CommandTask getMessageExecutor(RuntimeContext request) {
140 if (logger.isTraceEnabled()) {
141 logger.trace("Entering to getMessageExecutor with command = " + request);
143 CommandTask executionTask = executionTaskFactory.getExecutionTask(request);
144 if (logger.isTraceEnabled()) {
145 logger.trace("Exiting from getMessageExecutor");
147 return executionTask;