com.google.common.collect.DescendingImmutableSortedMultiset Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of guava Show documentation
Show all versions of guava Show documentation
Builds the guava lib. Requires the jsr305 be built first.
/*
* Copyright (C) 2011 The Guava Authors
*
* 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.common.collect;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import javax.annotation.CheckForNull;
/**
* A descending wrapper around an {@code ImmutableSortedMultiset}
*
* @author Louis Wasserman
*/
@SuppressWarnings("serial") // uses writeReplace, not default serialization
@GwtIncompatible
@ElementTypesAreNonnullByDefault
final class DescendingImmutableSortedMultiset extends ImmutableSortedMultiset {
private final transient ImmutableSortedMultiset forward;
DescendingImmutableSortedMultiset(ImmutableSortedMultiset forward) {
this.forward = forward;
}
@Override
public int count(@CheckForNull Object element) {
return forward.count(element);
}
@Override
@CheckForNull
public Entry firstEntry() {
return forward.lastEntry();
}
@Override
@CheckForNull
public Entry lastEntry() {
return forward.firstEntry();
}
@Override
public int size() {
return forward.size();
}
@Override
public ImmutableSortedSet elementSet() {
return forward.elementSet().descendingSet();
}
@Override
Entry getEntry(int index) {
return forward.entrySet().asList().reverse().get(index);
}
@Override
public ImmutableSortedMultiset descendingMultiset() {
return forward;
}
@Override
public ImmutableSortedMultiset headMultiset(E upperBound, BoundType boundType) {
return forward.tailMultiset(upperBound, boundType).descendingMultiset();
}
@Override
public ImmutableSortedMultiset tailMultiset(E lowerBound, BoundType boundType) {
return forward.headMultiset(lowerBound, boundType).descendingMultiset();
}
@Override
boolean isPartialView() {
return forward.isPartialView();
}
// redeclare to help optimizers with b/310253115
@SuppressWarnings("RedundantOverride")
@Override
@J2ktIncompatible // serialization
Object writeReplace() {
return super.writeReplace();
}
}