| /* |
| * 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.log4j.chainsaw; |
| |
| import java.util.EventListener; |
| import java.util.List; |
| |
| |
| /** |
| * Implementations of this interface like to be notified |
| * of arriving batches of LoggingEvents, but may only |
| * be interested in those coming from a particular source |
| * @author Paul Smith <psmith@apache.org> |
| * |
| */ |
| public interface EventBatchListener extends EventListener { |
| /** |
| * Returns the string representing the identifier |
| * that this instance is only interested in, or |
| * null if this instance is interested in ALL events from |
| * any identifier |
| * @return String identifier of the interested source |
| */ |
| String getInterestedIdentifier(); |
| |
| /** |
| * Implementations receive a list of LoggingEvent instances only if they are interested, |
| * that is, if the source of the eventBatch matches this instances interested identifier |
| * @param events List of LoggingEvent instances |
| * @param identifier the identifier this list of LoggingEvents is associated with |
| */ |
| void receiveEventBatch(String identifier, List<org.apache.log4j.spi.LoggingEvent> events); |
| } |