| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.jackrabbit.oak.plugins.document; |
| |
| |
| import org.jetbrains.annotations.Nullable; |
| |
| public interface DocumentNodeStateCache { |
| DocumentNodeStateCache NOOP = new DocumentNodeStateCache() { |
| @Override |
| public AbstractDocumentNodeState getDocumentNodeState(Path path, @Nullable RevisionVector rootRevision, |
| RevisionVector lastRev) { |
| return null; |
| } |
| |
| @Override |
| public boolean isCached(Path path) { |
| return false; |
| } |
| }; |
| |
| /** |
| * Get the node for the given path and revision. |
| * |
| * @param path the path of the node. |
| * @param rootRevision revision of root NodeState |
| * @param lastRev last revision of the node at given path |
| * |
| * @return nodeState at given path or null. If given revision is not present or the |
| * path is not cached then <code>null</code> would be returned |
| */ |
| @Nullable |
| AbstractDocumentNodeState getDocumentNodeState(Path path, RevisionVector rootRevision, RevisionVector lastRev); |
| |
| /** |
| * Determines if given path is cached by this implementation |
| * @param path path to check |
| * @return true if given path is cached |
| */ |
| boolean isCached(Path path); |
| |
| |
| } |