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// Copyright (c) 2016, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.graph;
import com.android.tools.r8.dex.IndexedItemCollection;
import com.android.tools.r8.dex.MixedSectionCollection;
import java.util.Arrays;
public class DexAnnotationSet extends DexItem {
private static final int UNSORTED = 0;
private static final DexAnnotationSet THE_EMPTY_ANNOTATIONS_SET =
new DexAnnotationSet(new DexAnnotation[0]);
public final DexAnnotation[] annotations;
private int sorted = UNSORTED;
public DexAnnotationSet(DexAnnotation[] annotations) {
this.annotations = annotations;
}
public static DexAnnotationSet empty() {
return THE_EMPTY_ANNOTATIONS_SET;
}
@Override
public int hashCode() {
return Arrays.hashCode(annotations);
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (other instanceof DexAnnotationSet) {
DexAnnotationSet o = (DexAnnotationSet) other;
return Arrays.equals(annotations, o.annotations);
}
return false;
}
@Override
public void collectIndexedItems(IndexedItemCollection indexedItems) {
collectAll(indexedItems, annotations);
}
@Override
void collectMixedSectionItems(MixedSectionCollection mixedItems) {
mixedItems.add(this);
collectAll(mixedItems, annotations);
}
public boolean isEmpty() {
return annotations.length == 0;
}
public void sort() {
if (sorted != UNSORTED) {
assert sorted == sortedHashCode();
return;
}
Arrays.sort(annotations, (a, b) -> a.annotation.type.compareTo(b.annotation.type));
for (DexAnnotation annotation : annotations) {
annotation.annotation.sort();
}
sorted = hashCode();
}
public DexAnnotation getFirstMatching(DexType type) {
for (DexAnnotation annotation : annotations) {
if (annotation.annotation.type == type) {
return annotation;
}
}
return null;
}
private int sortedHashCode() {
int hashCode = hashCode();
return hashCode == UNSORTED ? 1 : hashCode;
}
}
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