?? synchronizedintholder.java
字號:
/* * Distributed as part of c3p0 v.0.9.1-pre6 * * Copyright (C) 2005 Machinery For Change, Inc. * * Author: Steve Waldman <swaldman@mchange.com> * * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 2.1, as * published by the Free Software Foundation. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this software; see the file LICENSE. If not, write to the * Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. */package com.mchange.v2.holders;import java.io.*;import com.mchange.v2.ser.UnsupportedVersionException;public class SynchronizedIntHolder implements ThreadSafeIntHolder, Serializable{ transient int value; public SynchronizedIntHolder( int value ) { this.value = value; } public SynchronizedIntHolder() { this(0); } public synchronized int getValue() { return value; } public synchronized void setValue(int value) { this.value = value; } public synchronized void increment() { ++value; } public synchronized void decrement() { --value; } //Serialization static final long serialVersionUID = 1; //override to take control of versioning private final static short VERSION = 0x0001; private void writeObject(ObjectOutputStream out) throws IOException { out.writeShort(VERSION); out.writeInt(value); } private void readObject(ObjectInputStream in) throws IOException { short version = in.readShort(); switch (version) { case 0x0001: this.value = in.readInt(); break; default: throw new UnsupportedVersionException(this, version); } }}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -