How to use

getSubTypeCache

method

in

org.eclipse.jdt.internal.corext.refactoring.typeconstraints.types.TypeEnvironment

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

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

public boolean isSubType(HierarchyType other) {
  if (getEnvironment() == other.getEnvironment()) {
    Map cache= getEnvironment().getSubTypeCache();
    TypeTuple key= new TypeTuple(this, other);
    Boolean value= (Boolean)cache.get(key);
    if (value != null)
      return value.booleanValue();
    boolean isSub= doIsSubType(other);
    value= Boolean.valueOf(isSub);
    cache.put(key, value);
    return isSub;
  }
  return doIsSubType(other);
}