| /* |
| * 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.apache.jackrabbit.oak.stats.Clock; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * A revision context that represents a cluster node with an expired lease for |
| * which recovery is performed. |
| */ |
| final class RecoveryContext implements RevisionContext { |
| |
| private final NodeDocument root; |
| private final Clock clock; |
| private final int clusterId; |
| private final CommitValueResolver resolver; |
| |
| /** |
| * A new recovery context. |
| * |
| * @param root the current root document. |
| * @param clock the clock. |
| * @param clusterId the clusterId for which to run recovery. |
| * @param resolver a commit resolver. |
| */ |
| RecoveryContext(NodeDocument root, |
| Clock clock, |
| int clusterId, |
| CommitValueResolver resolver) { |
| this.root = root; |
| this.clock = clock; |
| this.clusterId = clusterId; |
| this.resolver = resolver; |
| } |
| |
| @Override |
| public UnmergedBranches getBranches() { |
| // an expired cluster node does not have active unmerged branches |
| return new UnmergedBranches(); |
| } |
| |
| @Override |
| public UnsavedModifications getPendingModifications() { |
| // an expired cluster node does not have |
| // pending in-memory _lastRev updates |
| return new UnsavedModifications(); |
| } |
| |
| @Override |
| public int getClusterId() { |
| return clusterId; |
| } |
| |
| @NotNull |
| @Override |
| public RevisionVector getHeadRevision() { |
| return new RevisionVector(root.getLastRev().values()); |
| } |
| |
| @NotNull |
| @Override |
| public Revision newRevision() { |
| return Revision.newRevision(clusterId); |
| } |
| |
| @NotNull |
| @Override |
| public Clock getClock() { |
| return clock; |
| } |
| |
| @Nullable |
| @Override |
| public String getCommitValue(@NotNull Revision changeRevision, |
| @NotNull NodeDocument doc) { |
| return resolver.resolve(changeRevision, doc); |
| } |
| } |