HashedSequence.java
- /*
- * Copyright (C) 2010, Google Inc. and others
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Distribution License v. 1.0 which is available at
- * https://www.eclipse.org/org/documents/edl-v10.php.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
- package org.eclipse.jgit.diff;
- /**
- * Wraps a {@link org.eclipse.jgit.diff.Sequence} to assign hash codes to
- * elements.
- * <p>
- * This sequence acts as a proxy for the real sequence, caching element hash
- * codes so they don't need to be recomputed each time. Sequences of this type
- * must be used with a {@link org.eclipse.jgit.diff.HashedSequenceComparator}.
- * <p>
- * To construct an instance of this type use
- * {@link org.eclipse.jgit.diff.HashedSequencePair}.
- *
- * @param <S>
- * the base sequence type.
- */
- public final class HashedSequence<S extends Sequence> extends Sequence {
- final S base;
- final int[] hashes;
- HashedSequence(S base, int[] hashes) {
- this.base = base;
- this.hashes = hashes;
- }
- /** {@inheritDoc} */
- @Override
- public int size() {
- return base.size();
- }
- }