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dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/devicemodule/system/SystemDeviceModule.java@45:2aa9f933c8d2, 2017-07-18 (annotated)

Committer:
TMBOY
Date:
Tue Jul 18 16:34:48 2017 +0800
Revision:
45:2aa9f933c8d2
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Who changed what in which revision?

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TMBOY 45:2aa9f933c8d2 1 /*
TMBOY 45:2aa9f933c8d2 2 * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
TMBOY 45:2aa9f933c8d2 3 *
TMBOY 45:2aa9f933c8d2 4 * Licensed under the Apache License, Version 2.0 (the "License");
TMBOY 45:2aa9f933c8d2 5 * you may not use this file except in compliance with the License.
TMBOY 45:2aa9f933c8d2 6 * You may obtain a copy of the License at
TMBOY 45:2aa9f933c8d2 7 *
TMBOY 45:2aa9f933c8d2 8 * http://www.apache.org/licenses/LICENSE-2.0
TMBOY 45:2aa9f933c8d2 9 *
TMBOY 45:2aa9f933c8d2 10 * Unless required by applicable law or agreed to in writing, software
TMBOY 45:2aa9f933c8d2 11 * distributed under the License is distributed on an "AS IS" BASIS,
TMBOY 45:2aa9f933c8d2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
TMBOY 45:2aa9f933c8d2 13 * See the License for the specific language governing permissions and
TMBOY 45:2aa9f933c8d2 14 * limitations under the License.
TMBOY 45:2aa9f933c8d2 15 */
TMBOY 45:2aa9f933c8d2 16 package com.baidu.duer.dcs.devicemodule.system;
TMBOY 45:2aa9f933c8d2 17
TMBOY 45:2aa9f933c8d2 18 import com.baidu.duer.dcs.devicemodule.system.message.ExceptionEncounteredPayload;
TMBOY 45:2aa9f933c8d2 19 import com.baidu.duer.dcs.devicemodule.system.message.SetEndPointPayload;
TMBOY 45:2aa9f933c8d2 20 import com.baidu.duer.dcs.devicemodule.system.message.ThrowExceptionPayload;
TMBOY 45:2aa9f933c8d2 21 import com.baidu.duer.dcs.devicemodule.system.message.UserInactivityReportPayload;
TMBOY 45:2aa9f933c8d2 22 import com.baidu.duer.dcs.framework.BaseDeviceModule;
TMBOY 45:2aa9f933c8d2 23 import com.baidu.duer.dcs.framework.IMessageSender;
TMBOY 45:2aa9f933c8d2 24 import com.baidu.duer.dcs.framework.message.ClientContext;
TMBOY 45:2aa9f933c8d2 25 import com.baidu.duer.dcs.framework.message.Directive;
TMBOY 45:2aa9f933c8d2 26 import com.baidu.duer.dcs.framework.message.Event;
TMBOY 45:2aa9f933c8d2 27 import com.baidu.duer.dcs.framework.message.Header;
TMBOY 45:2aa9f933c8d2 28 import com.baidu.duer.dcs.framework.message.MessageIdHeader;
TMBOY 45:2aa9f933c8d2 29 import com.baidu.duer.dcs.framework.message.Payload;
TMBOY 45:2aa9f933c8d2 30
TMBOY 45:2aa9f933c8d2 31 import java.util.ArrayList;
TMBOY 45:2aa9f933c8d2 32 import java.util.Collections;
TMBOY 45:2aa9f933c8d2 33 import java.util.List;
TMBOY 45:2aa9f933c8d2 34 import java.util.concurrent.Executors;
TMBOY 45:2aa9f933c8d2 35 import java.util.concurrent.ScheduledExecutorService;
TMBOY 45:2aa9f933c8d2 36 import java.util.concurrent.TimeUnit;
TMBOY 45:2aa9f933c8d2 37 import java.util.concurrent.atomic.AtomicLong;
TMBOY 45:2aa9f933c8d2 38
TMBOY 45:2aa9f933c8d2 39 /**
TMBOY 45:2aa9f933c8d2 40 * System模块处理ResetUserInactivity、SetEndpoint、ThrowException指令，发送SynchronizeState、UserInactivityReport等事件
TMBOY 45:2aa9f933c8d2 41 * <p>
TMBOY 45:2aa9f933c8d2 42 * Created by wuruisheng on 2017/5/31.
TMBOY 45:2aa9f933c8d2 43 */
TMBOY 45:2aa9f933c8d2 44 public class SystemDeviceModule extends BaseDeviceModule {
TMBOY 45:2aa9f933c8d2 45 private final ScheduledExecutorService scheduledExecutor = Executors.newScheduledThreadPool(1);
TMBOY 45:2aa9f933c8d2 46 private static final long MILLISECONDS_PER_SECOND = 1000;
TMBOY 45:2aa9f933c8d2 47 private static final long USER_INACTIVITY_REPORT_PERIOD_HOURS = 1;
TMBOY 45:2aa9f933c8d2 48 private final List<IDeviceModuleListener> deviceModuleListeners;
TMBOY 45:2aa9f933c8d2 49 private AtomicLong lastUserInteractionInSeconds;
TMBOY 45:2aa9f933c8d2 50 private Provider provider;
TMBOY 45:2aa9f933c8d2 51
TMBOY 45:2aa9f933c8d2 52 public SystemDeviceModule(final IMessageSender messageSender) {
TMBOY 45:2aa9f933c8d2 53 super(ApiConstants.NAMESPACE, messageSender);
TMBOY 45:2aa9f933c8d2 54
TMBOY 45:2aa9f933c8d2 55 Runnable runnable = new Runnable() {
TMBOY 45:2aa9f933c8d2 56 @Override
TMBOY 45:2aa9f933c8d2 57 public void run() {
TMBOY 45:2aa9f933c8d2 58 long inactiveTimeInSeconds = currentTimeSeconds() - lastUserInteractionInSeconds.get();
TMBOY 45:2aa9f933c8d2 59 Event event = userInactivityReportEvent(inactiveTimeInSeconds);
TMBOY 45:2aa9f933c8d2 60 messageSender.sendEvent(event);
TMBOY 45:2aa9f933c8d2 61 }
TMBOY 45:2aa9f933c8d2 62 };
TMBOY 45:2aa9f933c8d2 63
TMBOY 45:2aa9f933c8d2 64 lastUserInteractionInSeconds = new AtomicLong(currentTimeSeconds());
TMBOY 45:2aa9f933c8d2 65 scheduledExecutor.scheduleAtFixedRate(runnable, USER_INACTIVITY_REPORT_PERIOD_HOURS,
TMBOY 45:2aa9f933c8d2 66 USER_INACTIVITY_REPORT_PERIOD_HOURS, TimeUnit.HOURS);
TMBOY 45:2aa9f933c8d2 67
TMBOY 45:2aa9f933c8d2 68 deviceModuleListeners = Collections.synchronizedList(new ArrayList<IDeviceModuleListener>());
TMBOY 45:2aa9f933c8d2 69 }
TMBOY 45:2aa9f933c8d2 70
TMBOY 45:2aa9f933c8d2 71
TMBOY 45:2aa9f933c8d2 72 @Override
TMBOY 45:2aa9f933c8d2 73 public ClientContext clientContext() {
TMBOY 45:2aa9f933c8d2 74 return null;
TMBOY 45:2aa9f933c8d2 75 }
TMBOY 45:2aa9f933c8d2 76
TMBOY 45:2aa9f933c8d2 77 @Override
TMBOY 45:2aa9f933c8d2 78 public void handleDirective(Directive directive) throws HandleDirectiveException {
TMBOY 45:2aa9f933c8d2 79 String name = directive.header.getName();
TMBOY 45:2aa9f933c8d2 80 if (ApiConstants.Directives.ResetUserInactivity.NAME.equals(name)) {
TMBOY 45:2aa9f933c8d2 81 userActivity();
TMBOY 45:2aa9f933c8d2 82 } else if (ApiConstants.Directives.SetEndpoint.NAME.equals(name)) {
TMBOY 45:2aa9f933c8d2 83 handleSetEndpointDirective(directive);
TMBOY 45:2aa9f933c8d2 84 } else if (ApiConstants.Directives.ThrowException.NAME.equals(name)) {
TMBOY 45:2aa9f933c8d2 85 handleThrowException(directive);
TMBOY 45:2aa9f933c8d2 86 } else {
TMBOY 45:2aa9f933c8d2 87 String message = "system cannot handle this directive";
TMBOY 45:2aa9f933c8d2 88 throw (new HandleDirectiveException(
TMBOY 45:2aa9f933c8d2 89 HandleDirectiveException.ExceptionType.UNSUPPORTED_OPERATION, message));
TMBOY 45:2aa9f933c8d2 90 }
TMBOY 45:2aa9f933c8d2 91 }
TMBOY 45:2aa9f933c8d2 92
TMBOY 45:2aa9f933c8d2 93 @Override
TMBOY 45:2aa9f933c8d2 94 public void release() {
TMBOY 45:2aa9f933c8d2 95 if (!scheduledExecutor.isShutdown()) {
TMBOY 45:2aa9f933c8d2 96 scheduledExecutor.shutdownNow();
TMBOY 45:2aa9f933c8d2 97 }
TMBOY 45:2aa9f933c8d2 98 deviceModuleListeners.clear();
TMBOY 45:2aa9f933c8d2 99 }
TMBOY 45:2aa9f933c8d2 100
TMBOY 45:2aa9f933c8d2 101 private void handleSetEndpointDirective(Directive directive) {
TMBOY 45:2aa9f933c8d2 102 Payload payload = directive.getPayload();
TMBOY 45:2aa9f933c8d2 103 if (payload instanceof SetEndPointPayload) {
TMBOY 45:2aa9f933c8d2 104 SetEndPointPayload setEndPointPayload = (SetEndPointPayload) payload;
TMBOY 45:2aa9f933c8d2 105 fireSetEndpoint(setEndPointPayload);
TMBOY 45:2aa9f933c8d2 106 }
TMBOY 45:2aa9f933c8d2 107 }
TMBOY 45:2aa9f933c8d2 108
TMBOY 45:2aa9f933c8d2 109 private void handleThrowException(Directive directive) {
TMBOY 45:2aa9f933c8d2 110 Payload payload = directive.getPayload();
TMBOY 45:2aa9f933c8d2 111 if (payload instanceof ThrowExceptionPayload) {
TMBOY 45:2aa9f933c8d2 112 ThrowExceptionPayload throwExceptionPayload = (ThrowExceptionPayload) payload;
TMBOY 45:2aa9f933c8d2 113 fireThrowException(throwExceptionPayload);
TMBOY 45:2aa9f933c8d2 114 }
TMBOY 45:2aa9f933c8d2 115 }
TMBOY 45:2aa9f933c8d2 116
TMBOY 45:2aa9f933c8d2 117 public void sendSynchronizeStateEvent() {
TMBOY 45:2aa9f933c8d2 118 String name = ApiConstants.Events.SynchronizeState.NAME;
TMBOY 45:2aa9f933c8d2 119 Header header = new MessageIdHeader(getNameSpace(), name);
TMBOY 45:2aa9f933c8d2 120 Payload payload = new Payload();
TMBOY 45:2aa9f933c8d2 121 Event event = new Event(header, payload);
TMBOY 45:2aa9f933c8d2 122
TMBOY 45:2aa9f933c8d2 123 if (messageSender != null) {
TMBOY 45:2aa9f933c8d2 124 messageSender.sentEventWithClientContext(event, null);
TMBOY 45:2aa9f933c8d2 125 }
TMBOY 45:2aa9f933c8d2 126 }
TMBOY 45:2aa9f933c8d2 127
TMBOY 45:2aa9f933c8d2 128 private Event userInactivityReportEvent(long inactiveTimeInSeconds) {
TMBOY 45:2aa9f933c8d2 129 final String name = ApiConstants.Events.UserInactivityReport.NAME;
TMBOY 45:2aa9f933c8d2 130 Header header = new MessageIdHeader(getNameSpace(), name);
TMBOY 45:2aa9f933c8d2 131 Payload payload = new UserInactivityReportPayload(inactiveTimeInSeconds);
TMBOY 45:2aa9f933c8d2 132 Event event = new Event(header, payload);
TMBOY 45:2aa9f933c8d2 133 return event;
TMBOY 45:2aa9f933c8d2 134 }
TMBOY 45:2aa9f933c8d2 135
TMBOY 45:2aa9f933c8d2 136 public void sendExceptionEncounteredEvent(String directiveJson,
TMBOY 45:2aa9f933c8d2 137 HandleDirectiveException.ExceptionType type,
TMBOY 45:2aa9f933c8d2 138 String message) {
TMBOY 45:2aa9f933c8d2 139 final String name = ApiConstants.Events.ExceptionEncountered.NAME;
TMBOY 45:2aa9f933c8d2 140 Header header = new MessageIdHeader(getNameSpace(), name);
TMBOY 45:2aa9f933c8d2 141
TMBOY 45:2aa9f933c8d2 142 ExceptionEncounteredPayload exceptionEncounteredPayLoad = new ExceptionEncounteredPayload(
TMBOY 45:2aa9f933c8d2 143 directiveJson, type, message);
TMBOY 45:2aa9f933c8d2 144 Event event = new Event(header, exceptionEncounteredPayLoad);
TMBOY 45:2aa9f933c8d2 145 messageSender.sentEventWithClientContext(event, null);
TMBOY 45:2aa9f933c8d2 146 }
TMBOY 45:2aa9f933c8d2 147
TMBOY 45:2aa9f933c8d2 148 private void userActivity() {
TMBOY 45:2aa9f933c8d2 149 lastUserInteractionInSeconds.set(currentTimeSeconds());
TMBOY 45:2aa9f933c8d2 150 }
TMBOY 45:2aa9f933c8d2 151
TMBOY 45:2aa9f933c8d2 152 private long currentTimeSeconds() {
TMBOY 45:2aa9f933c8d2 153 return System.currentTimeMillis() / MILLISECONDS_PER_SECOND;
TMBOY 45:2aa9f933c8d2 154 }
TMBOY 45:2aa9f933c8d2 155
TMBOY 45:2aa9f933c8d2 156 public Provider getProvider() {
TMBOY 45:2aa9f933c8d2 157 if (provider == null) {
TMBOY 45:2aa9f933c8d2 158 provider = new Provider();
TMBOY 45:2aa9f933c8d2 159 }
TMBOY 45:2aa9f933c8d2 160
TMBOY 45:2aa9f933c8d2 161 return provider;
TMBOY 45:2aa9f933c8d2 162 }
TMBOY 45:2aa9f933c8d2 163
TMBOY 45:2aa9f933c8d2 164 public class Provider {
TMBOY 45:2aa9f933c8d2 165 public void userActivity() {
TMBOY 45:2aa9f933c8d2 166 SystemDeviceModule.this.userActivity();
TMBOY 45:2aa9f933c8d2 167 }
TMBOY 45:2aa9f933c8d2 168 }
TMBOY 45:2aa9f933c8d2 169
TMBOY 45:2aa9f933c8d2 170 private void fireSetEndpoint(SetEndPointPayload setEndPointPayload) {
TMBOY 45:2aa9f933c8d2 171 for (IDeviceModuleListener listener : deviceModuleListeners) {
TMBOY 45:2aa9f933c8d2 172 listener.onSetEndpoint(setEndPointPayload);
TMBOY 45:2aa9f933c8d2 173 }
TMBOY 45:2aa9f933c8d2 174 }
TMBOY 45:2aa9f933c8d2 175
TMBOY 45:2aa9f933c8d2 176 private void fireThrowException(ThrowExceptionPayload throwExceptionPayload) {
TMBOY 45:2aa9f933c8d2 177 for (IDeviceModuleListener listener : deviceModuleListeners) {
TMBOY 45:2aa9f933c8d2 178 listener.onThrowException(throwExceptionPayload);
TMBOY 45:2aa9f933c8d2 179 }
TMBOY 45:2aa9f933c8d2 180 }
TMBOY 45:2aa9f933c8d2 181
TMBOY 45:2aa9f933c8d2 182 public void addModuleListener(IDeviceModuleListener listener) {
TMBOY 45:2aa9f933c8d2 183 deviceModuleListeners.add(listener);
TMBOY 45:2aa9f933c8d2 184 }
TMBOY 45:2aa9f933c8d2 185
TMBOY 45:2aa9f933c8d2 186 public interface IDeviceModuleListener {
TMBOY 45:2aa9f933c8d2 187 void onSetEndpoint(SetEndPointPayload endPointPayload);
TMBOY 45:2aa9f933c8d2 188
TMBOY 45:2aa9f933c8d2 189 void onThrowException(ThrowExceptionPayload throwExceptionPayload);
TMBOY 45:2aa9f933c8d2 190 }
TMBOY 45:2aa9f933c8d2 191 }