Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / core refactoring / org / eclipse / jdt / internal / corext / refactoring / typeconstraints / types / HierarchyType.java

/*******************************************************************************
 * Copyright (c) 2000, 2011 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.corext.refactoring.typeconstraints.types;

import java.util.Map;

import org.eclipse.core.runtime.Assert;

import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.dom.ITypeBinding;


public abstract class HierarchyType extends TType {
	HierarchyType fSuperclass;
	HierarchyType[] fInterfaces;
	private IType fJavaElementType;

	protected HierarchyType(TypeEnvironment environment) {
		super(environment);
	}

	protected void initialize(ITypeBinding binding, IType javaElementType) {
		super.initialize(binding);
		Assert.isNotNull(javaElementType);
		fJavaElementType= javaElementType;
		TypeEnvironment environment= getEnvironment();
		environment.generated_7692948384457653861(binding, this);
	}

	@Override
	public TType getSuperclass() {
		return fSuperclass;
	}

	@Override
	public TType[] getInterfaces() {
		return fInterfaces;
	}

	public IType getJavaElementType() {
		return fJavaElementType;
	}

	public boolean isSubType(HierarchyType other) {
		if (getEnvironment() == other.getEnvironment()) {
			Map<TypeTuple, Boolean> cache= getEnvironment().getSubTypeCache();
			return other.generated_982438503229399754(this, cache);
		}
		return doIsSubType(other);
	}

	private boolean doIsSubType(HierarchyType other) {
		if (fSuperclass != null && (other.isTypeEquivalentTo(fSuperclass) || fSuperclass.doIsSubType(other)))
			return true;
		for (int i= 0; i < fInterfaces.length; i++) {
			if (other.isTypeEquivalentTo(fInterfaces[i]) || fInterfaces[i].doIsSubType(other))
				return true;
		}
		return false;
	}

	protected boolean canAssignToStandardType(StandardType target) {
		return target.generated_4432704054388099235(this);
	}

	public boolean generated_982438503229399754(HierarchyType hierarchytype, Map<TypeTuple, Boolean> cache) {
		TypeTuple key= new TypeTuple(hierarchytype, this);
		Boolean value= cache.get(key);
		if (value != null)
			return value.booleanValue();
		boolean isSub= hierarchytype.doIsSubType(this);
		value= Boolean.valueOf(isSub);
		cache.put(key, value);
		return isSub;
	}
}