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/*
 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
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 */

package com.sun.javafx.binding;

import javafx.beans.InvalidationListener;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableIntegerValue;

/**
 * A simple IntegerExpression that represents a single constant value.
 */
public final class IntegerConstant implements ObservableIntegerValue {

    private final int value;

    private IntegerConstant(int value) {
        this.value = value;
    }

    public static IntegerConstant valueOf(int value) {
        return new IntegerConstant(value);
    }

    @Override
    public int get() {
        return value;
    }

    @Override
    public Integer getValue() {
        return value;
    }

    @Override
    public void addListener(InvalidationListener observer) {
        // no-op
    }

    @Override
    public void addListener(ChangeListener listener) {
        // no-op
    }

    @Override
    public void removeListener(InvalidationListener observer) {
        // no-op
    }

    @Override
    public void removeListener(ChangeListener listener) {
        // no-op
    }

    @Override
    public int intValue() {
        return value;
    }

    @Override
    public long longValue() {
        return value;
    }

    @Override
    public float floatValue() {
        return value;
    }

    @Override
    public double doubleValue() {
        return value;
    }
}