| /** |
| * 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.ambari.log4j.common; |
| |
| import java.io.IOException; |
| import java.util.Queue; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.log4j.spi.LoggingEvent; |
| |
| public class LoggingThreadRunnable implements Runnable { |
| private static final Log LOG = LogFactory.getLog(LoggingThreadRunnable.class); |
| |
| private final Queue<LoggingEvent> events; |
| private final LogParser parser; |
| private final LogStore store; |
| private final AtomicBoolean done = new AtomicBoolean(false); |
| |
| public LoggingThreadRunnable( |
| Queue<LoggingEvent> events, |
| LogParser parser, |
| LogStore provider) { |
| this.events = events; |
| this.store = provider; |
| this.parser = parser; |
| } |
| |
| @Override |
| public void run() { |
| while (!done.get()) { |
| LoggingEvent event = null; |
| while ((event = events.poll()) != null) { |
| Object result = null; |
| try { |
| parser.addEventToParse(event); |
| while ((result = parser.getParseResult()) != null) { |
| try { |
| store.persist(event, result); |
| } catch (IOException e) { |
| LOG.warn("Failed to persist " + result); |
| } |
| } |
| } catch (IOException ioe) { |
| LOG.warn("Failed to parse log-event: " + event); |
| } |
| } |
| } |
| try { |
| store.close(); |
| } catch (IOException ioe) { |
| LOG.info("Failed to close logStore", ioe); |
| } |
| } |
| |
| public void close() throws IOException { |
| done.set(true); |
| } |
| } |