| /* |
| * 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 com.alibaba.dubbo.remoting.exchange; |
| |
| import com.alibaba.dubbo.common.utils.StringUtils; |
| |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| /** |
| * Request. |
| */ |
| public class Request { |
| |
| public static final String HEARTBEAT_EVENT = null; |
| |
| public static final String READONLY_EVENT = "R"; |
| |
| private static final AtomicLong INVOKE_ID = new AtomicLong(0); |
| |
| private final long mId; |
| |
| private String mVersion; |
| |
| private boolean mTwoWay = true; |
| |
| private boolean mEvent = false; |
| |
| private boolean mBroken = false; |
| |
| private Object mData; |
| |
| public Request() { |
| mId = newId(); |
| } |
| |
| public Request(long id) { |
| mId = id; |
| } |
| |
| private static long newId() { |
| // getAndIncrement() When it grows to MAX_VALUE, it will grow to MIN_VALUE, and the negative can be used as ID |
| return INVOKE_ID.getAndIncrement(); |
| } |
| |
| private static String safeToString(Object data) { |
| if (data == null) return null; |
| String dataStr; |
| try { |
| dataStr = data.toString(); |
| } catch (Throwable e) { |
| dataStr = "<Fail toString of " + data.getClass() + ", cause: " + |
| StringUtils.toString(e) + ">"; |
| } |
| return dataStr; |
| } |
| |
| public long getId() { |
| return mId; |
| } |
| |
| public String getVersion() { |
| return mVersion; |
| } |
| |
| public void setVersion(String version) { |
| mVersion = version; |
| } |
| |
| public boolean isTwoWay() { |
| return mTwoWay; |
| } |
| |
| public void setTwoWay(boolean twoWay) { |
| mTwoWay = twoWay; |
| } |
| |
| public boolean isEvent() { |
| return mEvent; |
| } |
| |
| public void setEvent(String event) { |
| mEvent = true; |
| mData = event; |
| } |
| |
| public boolean isBroken() { |
| return mBroken; |
| } |
| |
| public void setBroken(boolean mBroken) { |
| this.mBroken = mBroken; |
| } |
| |
| public Object getData() { |
| return mData; |
| } |
| |
| public void setData(Object msg) { |
| mData = msg; |
| } |
| |
| public boolean isHeartbeat() { |
| return mEvent && HEARTBEAT_EVENT == mData; |
| } |
| |
| public void setHeartbeat(boolean isHeartbeat) { |
| if (isHeartbeat) { |
| setEvent(HEARTBEAT_EVENT); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "Request [id=" + mId + ", version=" + mVersion + ", twoway=" + mTwoWay + ", event=" + mEvent |
| + ", broken=" + mBroken + ", data=" + (mData == this ? "this" : safeToString(mData)) + "]"; |
| } |
| } |