| /* |
| * 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.spi.state.NodeStateDiff; |
| import org.jetbrains.annotations.NotNull; |
| |
| public interface NodeStateDiffer { |
| NodeStateDiffer DEFAULT_DIFFER = new NodeStateDiffer() { |
| @Override |
| public boolean compare(@NotNull AbstractDocumentNodeState node, |
| @NotNull AbstractDocumentNodeState base, @NotNull NodeStateDiff diff) { |
| return node.compareAgainstBaseState(base, diff); |
| } |
| }; |
| |
| |
| /** |
| * Compares the given {@code node} against the {@code base} state and |
| * reports the differences to the {@link NodeStateDiff}. |
| * |
| * @param node the node to compare. |
| * @param base the base node to compare against. |
| * @param diff handler of node state differences |
| * @return {@code true} if the full diff was performed, or |
| * {@code false} if it was aborted as requested by the handler |
| * (see the {@link NodeStateDiff} contract for more details) |
| */ |
| boolean compare(@NotNull final AbstractDocumentNodeState node, |
| @NotNull final AbstractDocumentNodeState base, |
| @NotNull NodeStateDiff diff); |
| } |