| /* |
| * 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.spi.commit; |
| |
| import org.apache.jackrabbit.oak.api.CommitFailedException; |
| import org.apache.jackrabbit.oak.spi.state.NodeBuilder; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| import org.jetbrains.annotations.NotNull; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * This commit hook implementation processes changes to be committed |
| * using the {@link Editor} instance provided by the {@link EditorProvider} |
| * passed to the constructor. |
| * |
| * @since Oak 0.7 |
| * @see <a href="http://jackrabbit.apache.org/oak/docs/nodestate.html#Commit_editors" |
| * >Commit editors</a> |
| */ |
| public class EditorHook implements CommitHook { |
| |
| private final EditorProvider provider; |
| |
| public EditorHook(@NotNull EditorProvider provider) { |
| this.provider = checkNotNull(provider); |
| } |
| |
| @Override @NotNull |
| public NodeState processCommit( |
| @NotNull NodeState before, @NotNull NodeState after, |
| @NotNull CommitInfo info) throws CommitFailedException { |
| checkNotNull(before); |
| checkNotNull(after); |
| checkNotNull(info); |
| |
| NodeBuilder builder = after.builder(); |
| Editor editor = provider.getRootEditor(before, after, builder, info); |
| CommitFailedException exception = |
| EditorDiff.process(editor, before, after); |
| if (exception == null) { |
| return builder.getNodeState(); |
| } else { |
| throw exception; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "EditorHook : (" + provider + ")"; |
| } |
| } |