Copyright (c) 2000, 2010 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2010 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.impl;

public class LongConstant extends Constant {

		private static final LongConstant ZERO = new LongConstant(0L);
		private static final LongConstant MIN_VALUE = new LongConstant(Long.MIN_VALUE);
		
		private long value;

public static Constant fromValue(long value) {
	if (value == 0L) {
		return ZERO;
	} else if (value == Long.MIN_VALUE) {
		return MIN_VALUE;
	}
	return new LongConstant(value);
}

private LongConstant(long value) {
	this.value = value;
}

@Override
public byte byteValue() {
	return (byte) this.value;
}

@Override
public char charValue() {
	return (char) this.value;
}

@Override
public double doubleValue() {
	return this.value; // implicit cast to return type
}

@Override
public float floatValue() {
	return this.value; // implicit cast to return type
}

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

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

@Override
public short shortValue() {
	return (short) this.value;
}

@Override
public String stringValue() {
	//spec 15.17.11
	return String.valueOf(this.value);
}

@Override
public String toString(){

	return "(long)" + this.value ; //$NON-NLS-1$
}

@Override
public int typeID() {
	return T_long;
}

@Override
public int hashCode() {
	return (int) (this.value ^ (this.value >>> 32));
}

@Override
public boolean equals(Object obj) {
	if (this == obj) {
		return true;
	}
	if (obj == null) {
		return false;
	}
	if (getClass() != obj.getClass()) {
		return false;
	}
	LongConstant other = (LongConstant) obj;
	return this.value == other.value;
}
}