MutableBoolean.java Source code

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Here is the source code for MutableBoolean.java

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/*
 * @(#)$Id$
 *
 * Copyright 2006-2008 Makoto YUI
 *
 * Licensed 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.
 * 
 * Contributors:
 *     Makoto YUI - initial implementation
 */
//package xbird.util.primitive;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

/**
 * 
 * <DIV lang="en"></DIV>
 * <DIV lang="ja"></DIV>
 * 
 * @author Makoto YUI (yuin405+xbird@gmail.com)
 */
public final class MutableBoolean implements Externalizable, Comparable<MutableBoolean> {
    private static final long serialVersionUID = 8849811487443118432L;

    private boolean value;

    public MutableBoolean() {
    }

    public MutableBoolean(boolean v) {
        this.value = v;
    }

    public boolean getBoolean() {
        return value;
    }

    public void setBoolean(boolean value) {
        this.value = value;
    }

    public int compareTo(MutableBoolean b) {
        return (b.value == value ? 0 : (value ? 1 : -1));
    }

    @Override
    public int hashCode() {
        return value ? 1231 : 1237;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof MutableBoolean) {
            return value == ((MutableBoolean) obj).getBoolean();
        }
        return false;
    }

    @Override
    public String toString() {
        return value ? "true" : "false";
    }

    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        this.value = in.readBoolean();
    }

    public void writeExternal(ObjectOutput out) throws IOException {
        out.writeBoolean(value);
    }

}