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net.hasor.tconsole.launcher.AbstractTelService Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package net.hasor.tconsole.launcher;
import io.netty.buffer.ByteBufAllocator;
import net.hasor.core.AppContext;
import net.hasor.core.container.AbstractContainer;
import net.hasor.core.container.SpiCallerContainer;
import net.hasor.core.spi.SpiTrigger;
import net.hasor.tconsole.TelContext;
import net.hasor.tconsole.TelExecutor;
import net.hasor.tconsole.commands.GetSetExecutor;
import net.hasor.tconsole.commands.HelpExecutor;
import net.hasor.tconsole.commands.QuitExecutor;
import net.hasor.tconsole.spi.TelStartContextListener;
import net.hasor.tconsole.spi.TelStopContextListener;
import net.hasor.utils.NameThreadFactory;
import net.hasor.utils.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.EventListener;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.function.Supplier;
/**
* tConsole 服务基类
* @version : 2016年09月20日
* @author 赵永春 ([email protected] )
*/
public abstract class AbstractTelService extends AbstractContainer implements TelContext {
public static final String CMD = "tConsole>";
protected static Logger logger = LoggerFactory.getLogger(AbstractTelService.class);
protected final ClassLoader classLoader;
private final SpiTrigger spiTrigger;
private final Map> telExecutorMap = new ConcurrentHashMap<>();
private ScheduledExecutorService executor = null;
private AppContext appContext;
/** 创建 tConsole 服务 */
public AbstractTelService(AppContext appContext) {
if (appContext != null) {
this.classLoader = appContext.getClassLoader();
this.spiTrigger = appContext.getInstance(SpiTrigger.class);
} else {
// .空实现,防止npe
this.classLoader = Thread.currentThread().getContextClassLoader();
this.spiTrigger = new SpiCallerContainer();
}
this.appContext = appContext;
}
/** 注册一个 SPI 监听器 */
public synchronized void addListener(Class spiType, T spiListener) {
this.addListener(spiType, (Supplier) () -> spiListener);
}
/** 注册一个 SPI 监听器 */
public synchronized void addListener(Class spiType, Supplier spiListener) {
if (!(this.spiTrigger instanceof SpiCallerContainer)) {
throw new IllegalStateException("spiTrigger is not SpiCallerContainer.");
}
((SpiCallerContainer) this.spiTrigger).addListener(spiType, spiListener);
}
protected void applyCommand() {
//
}
@Override
protected void doInitialize() {
// .触发SPI
logger.info("tConsole -> trigger TelStartContextListener.onStart");
this.spiTrigger.notifySpiWithoutResult(TelStartContextListener.class, listener -> {
listener.onStart(AbstractTelService.this);
});
//
logger.info("tConsole -> applyCommand.");
this.applyCommand();
this.addCommand(new String[] { "get", "set" }, new GetSetExecutor());
this.addCommand(new String[] { "quit", "exit" }, new QuitExecutor());
this.addCommand(new String[] { "help" }, new HelpExecutor());
//
// .执行线程池
String shortName = "tConsole-Work";
int workSize = 2;
this.executor = Executors.newScheduledThreadPool(workSize, new NameThreadFactory(shortName, this.classLoader));
ThreadPoolExecutor threadPool = (ThreadPoolExecutor) this.executor;
threadPool.setCorePoolSize(workSize);
threadPool.setMaximumPoolSize(workSize);
logger.info("tConsole -> create TelnetHandler , threadShortName={} , workThreadSize = {}.", shortName, workSize);
}
@Override
protected void doClose() {
if (this.executor != null) {
logger.info("tConsole -> executor shutdownNow.");
this.executor.shutdownNow();
this.executor = null;
}
this.telExecutorMap.clear();
// .触发SPI
logger.info("tConsole -> trigger TelStopContextListener.onStop");
this.spiTrigger.notifySpiWithoutResult(TelStopContextListener.class, listener -> {
listener.onStop(AbstractTelService.this);
});
}
public void asyncExecute(Runnable runnable) {
if (!this.isInit()) {
throw new IllegalStateException("the Container need init.");
}
this.executor.execute(runnable);
}
public SpiTrigger getSpiTrigger() {
return this.spiTrigger;
}
/** 添加命令 */
public void addCommand(String cmdName, TelExecutor telExecutor) {
this.addCommand(new String[] { cmdName }, () -> telExecutor);
}
/** 添加命令 */
public void addCommand(String[] cmdName, TelExecutor telExecutor) {
this.addCommand(cmdName, () -> telExecutor);
}
/** 添加命令 */
public void addCommand(String cmdName, Supplier provider) {
this.addCommand(new String[] { cmdName }, provider);
}
/** 添加命令 */
public void addCommand(String[] cmdName, Supplier provider) {
for (String name : cmdName) {
if (StringUtils.isNotBlank(name)) {
this.telExecutorMap.put(name, provider);
}
}
}
@Override
public TelExecutor findCommand(String cmdName) {
Supplier supplier = this.telExecutorMap.get(cmdName);
if (supplier != null) {
return supplier.get();
}
return null;
}
@Override
public List getCommandNames() {
return new ArrayList<>(this.telExecutorMap.keySet());
}
public abstract ByteBufAllocator getByteBufAllocator();
@Override
public AppContext getAppContext() {
return this.appContext;
}
}