case-study/jdt-after/core refactoring/org/eclipse/jdt/internal/corext/refactoring/typeconstraints/types/HierarchyType.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2011 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package org.eclipse.jdt.internal.corext.refactoring.typeconstraints.types;
  12
  13 import java.util.Map;
  14
  15 import org.eclipse.core.runtime.Assert;
  16
  17 import org.eclipse.jdt.core.IType;
  18 import org.eclipse.jdt.core.dom.ITypeBinding;
  19
  20
  21 public abstract class HierarchyType extends TType {
  22         HierarchyType fSuperclass;
  23         HierarchyType[] fInterfaces;
  24         private IType fJavaElementType;
  25
  26         protected HierarchyType(TypeEnvironment environment) {
  27                 super(environment);
  28         }
  29
  30         protected void initialize(ITypeBinding binding, IType javaElementType) {
  31                 super.initialize(binding);
  32                 Assert.isNotNull(javaElementType);
  33                 fJavaElementType= javaElementType;
  34                 TypeEnvironment environment= getEnvironment();
  35                 environment.generated_7692948384457653861(binding, this);
  36         }
  37
  38         @Override
  39         public TType getSuperclass() {
  40                 return fSuperclass;
  41         }
  42
  43         @Override
  44         public TType[] getInterfaces() {
  45                 return fInterfaces;
  46         }
  47
  48         public IType getJavaElementType() {
  49                 return fJavaElementType;
  50         }
  51
  52         public boolean isSubType(HierarchyType other) {
  53                 if (getEnvironment() == other.getEnvironment()) {
  54                         Map<TypeTuple, Boolean> cache= getEnvironment().getSubTypeCache();
  55                         return other.generated_982438503229399754(this, cache);
  56                 }
  57                 return doIsSubType(other);
  58         }
  59
  60         private boolean doIsSubType(HierarchyType other) {
  61                 if (fSuperclass != null && (other.isTypeEquivalentTo(fSuperclass) || fSuperclass.doIsSubType(other)))
  62                         return true;
  63                 for (int i= 0; i < fInterfaces.length; i++) {
  64                         if (other.isTypeEquivalentTo(fInterfaces[i]) || fInterfaces[i].doIsSubType(other))
  65                                 return true;
  66                 }
  67                 return false;
  68         }
  69
  70         protected boolean canAssignToStandardType(StandardType target) {
  71                 return target.generated_4432704054388099235(this);
  72         }
  73
  74         public boolean generated_982438503229399754(HierarchyType hierarchytype, Map<TypeTuple, Boolean> cache) {
  75                 TypeTuple key= new TypeTuple(hierarchytype, this);
  76                 Boolean value= cache.get(key);
  77                 if (value != null)
  78                         return value.booleanValue();
  79                 boolean isSub= hierarchytype.doIsSubType(this);
  80                 value= Boolean.valueOf(isSub);
  81                 cache.put(key, value);
  82                 return isSub;
  83         }
  84 }