| /* |
| * 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.observation.filter; |
| |
| import javax.jcr.observation.Event; |
| |
| import org.apache.jackrabbit.oak.api.PropertyState; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| |
| /** |
| * {@code EventTypeFilter} filters based on event types as defined |
| * by {@link javax.jcr.observation.ObservationManager#addEventListener( |
| javax.jcr.observation.EventListener, int, String, boolean, String[], String[], boolean) |
| ObservationManager.addEventListener()}. |
| */ |
| public class EventTypeFilter implements EventFilter { |
| private final int eventTypes; |
| |
| /** |
| * Create a new {@code Filter} instance that includes all events matching |
| * the {@code eventTypes} bit mask. That is, a given event is included if |
| * the corresponding bit in {@code eventType} is set. |
| * |
| * @param eventTypes bit mask encoding the types of events to include |
| * |
| * @see Event |
| */ |
| public EventTypeFilter(int eventTypes) { |
| this.eventTypes = eventTypes; |
| } |
| |
| @Override |
| public boolean includeAdd(PropertyState after) { |
| return includeByEvent(Event.PROPERTY_ADDED); |
| } |
| |
| @Override |
| public boolean includeChange(PropertyState before, PropertyState after) { |
| return includeByEvent(Event.PROPERTY_CHANGED); |
| } |
| |
| @Override |
| public boolean includeDelete(PropertyState before) { |
| return includeByEvent(Event.PROPERTY_REMOVED); |
| } |
| |
| @Override |
| public boolean includeAdd(String name, NodeState after) { |
| return includeByEvent(Event.NODE_ADDED); |
| } |
| |
| @Override |
| public boolean includeDelete(String name, NodeState before) { |
| return includeByEvent(Event.NODE_REMOVED); |
| } |
| |
| @Override |
| public boolean includeMove(String sourcePath, String name, NodeState moved) { |
| return includeByEvent(Event.NODE_MOVED); |
| } |
| |
| @Override |
| public boolean includeReorder(String destName, String name, NodeState reordered) { |
| return includeByEvent(Event.NODE_MOVED); |
| } |
| |
| @Override |
| public EventFilter create(String name, NodeState before, NodeState after) { |
| return this; |
| } |
| |
| //------------------------------------------------------------< internal >--- |
| |
| private boolean includeByEvent(int eventType) { |
| return (this.eventTypes & eventType) != 0; |
| } |
| |
| } |