com.google.auto.value.processor.TypeMirrorSet Maven / Gradle / Ivy
/*
* Copyright (C) 2014 Google, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.auto.value.processor;
import com.google.auto.common.MoreTypes;
import com.google.common.base.Equivalence;
import java.util.AbstractSet;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import javax.lang.model.type.TypeMirror;
/**
* A set of TypeMirror objects.
*
* @author [email protected] (Éamonn McManus)
*/
class TypeMirrorSet extends AbstractSet {
private final Set> wrappers =
new HashSet>();
TypeMirrorSet() {
}
TypeMirrorSet(Collection types) {
addAll(types);
}
private Equivalence.Wrapper wrap(TypeMirror typeMirror) {
return MoreTypes.equivalence().wrap(typeMirror);
}
@Override
public boolean add(TypeMirror typeMirror) {
return wrappers.add(wrap(typeMirror));
}
@Override
public Iterator iterator() {
final Iterator> iterator = wrappers.iterator();
return new Iterator() {
@Override
public boolean hasNext() {
return iterator.hasNext();
}
@Override
public TypeMirror next() {
return iterator.next().get();
}
@Override
public void remove() {
iterator.remove();
}
};
}
@Override
public int size() {
return wrappers.size();
}
@Override
public boolean contains(Object o) {
if (o instanceof TypeMirror) {
return wrappers.contains(wrap((TypeMirror) o));
} else {
return false;
}
}
@Override
public boolean remove(Object o) {
if (o instanceof TypeMirror) {
return wrappers.remove(wrap((TypeMirror) o));
} else {
return false;
}
}
@Override
public boolean equals(Object o) {
if (o instanceof TypeMirrorSet) {
TypeMirrorSet that = (TypeMirrorSet) o;
return wrappers.equals(that.wrappers);
} else {
return false;
}
}
@Override
public int hashCode() {
return wrappers.hashCode();
}
}