Copyright (c) 2000, 2016 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, 2016 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.corext.refactoring.typeconstraints.types;

import org.eclipse.jdt.core.Signature;


public final class VoidType extends TType {

	protected VoidType(TypeEnvironment environment) {
		super(environment, Signature.createTypeSignature("void", true)); //$NON-NLS-1$
	}

	@Override
	public int getKind() {
		return VOID_TYPE;
	}

	@Override
	public TType[] getSubTypes() {
		throw new UnsupportedOperationException();
	}

	@Override
	protected boolean doEquals(TType type) {
		return true;
	}

	@Override
	public int hashCode() {
		return 12345;
	}
	
	@Override
	protected boolean doCanAssignTo(TType lhs) {
		return false;
	}

	@Override
	public String getName() {
		return "void"; //$NON-NLS-1$
	}

	@Override
	protected String getPlainPrettySignature() {
		return getName();
	}
}