| /* |
| * 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.index.counter; |
| |
| import java.util.UUID; |
| |
| import org.apache.jackrabbit.oak.api.CommitFailedException; |
| import org.apache.jackrabbit.oak.api.PropertyState; |
| import org.apache.jackrabbit.oak.api.Type; |
| import org.apache.jackrabbit.oak.plugins.index.IndexEditorProvider; |
| import org.apache.jackrabbit.oak.plugins.index.IndexUpdateCallback; |
| import org.apache.jackrabbit.oak.plugins.index.counter.jmx.NodeCounter; |
| import org.apache.jackrabbit.oak.spi.commit.Editor; |
| import org.apache.jackrabbit.oak.spi.mount.MountInfoProvider; |
| import org.apache.jackrabbit.oak.spi.mount.Mounts; |
| import org.apache.jackrabbit.oak.spi.state.NodeBuilder; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| |
| @Component(service = IndexEditorProvider.class) |
| public class NodeCounterEditorProvider implements IndexEditorProvider { |
| |
| public static final String TYPE = "counter"; |
| |
| public static final String RESOLUTION = "resolution"; |
| |
| public static final String SEED = "seed"; |
| |
| @Reference |
| private MountInfoProvider mountInfoProvider = Mounts.defaultMountInfoProvider(); |
| |
| @Override |
| @Nullable |
| public Editor getIndexEditor(@NotNull String type, |
| @NotNull NodeBuilder definition, @NotNull NodeState root, |
| @NotNull IndexUpdateCallback callback) throws CommitFailedException { |
| if (!TYPE.equals(type)) { |
| return null; |
| } |
| int resolution; |
| PropertyState s = definition.getProperty(RESOLUTION); |
| if (s == null) { |
| resolution = NodeCounterEditor.DEFAULT_RESOLUTION; |
| } else { |
| resolution = s.getValue(Type.LONG).intValue(); |
| } |
| long seed; |
| s = definition.getProperty(SEED); |
| if (s != null) { |
| seed = s.getValue(Type.LONG).intValue(); |
| } else { |
| seed = 0; |
| if (NodeCounter.COUNT_HASH) { |
| // create a random number (that way we can also check if this feature is enabled) |
| seed = UUID.randomUUID().getMostSignificantBits(); |
| definition.setProperty(SEED, seed); |
| } |
| } |
| |
| if (NodeCounter.USE_OLD_COUNTER) { |
| NodeCounterEditorOld.NodeCounterRoot rootData = new NodeCounterEditorOld.NodeCounterRoot( |
| resolution, seed, definition, root, callback); |
| return new NodeCounterEditorOld(rootData, null, "/", null); |
| } else { |
| NodeCounterEditor.NodeCounterRoot rootData = new NodeCounterEditor.NodeCounterRoot( |
| resolution, seed, definition, root, callback); |
| return new NodeCounterEditor(rootData, mountInfoProvider); |
| } |
| } |
| |
| public NodeCounterEditorProvider with(MountInfoProvider mountInfoProvider) { |
| this.mountInfoProvider = mountInfoProvider; |
| return this; |
| } |
| } |