/**
* Copyright 2005 The Apache Software Foundation
*
* Licensed 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.nutch.admin.management;
import org.apache.hadoop.fs.Path;
import java.io.IOException;
import java.util.logging.Logger;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.nutch.admin.TaskThread;
import org.apache.nutch.fetcher.Fetcher;
public class FetchThread extends TaskThread {
private Fetcher fFetcher;
private Path fSegment;
private int fThreads;
private boolean fParsing;
private static final Logger LOG =
Logger.getLogger(FetchThread.class.getName());
public FetchThread(Configuration configuration, Path segment) {
super(configuration);
this.fFetcher = new Fetcher(configuration);
this.fSegment = segment;
this.fThreads = configuration.getInt("fetcher.threads.fetch", 10);
}
public void run() {
FileSystem fileSystem = null;
Path running = null;
try {
this.fMessage = "fetch.running";
fileSystem = FileSystem.get(this.fConfiguration);
running = new Path(this.fSegment, "fetch.running");
fileSystem.createNewFile(running);
this.fFetcher.fetch(this.fSegment, this.fThreads, true);
fileSystem.createNewFile(new Path(this.fSegment, "fetch.done"));
if (this.fParsing) {
fileSystem.createNewFile(new Path(this.fSegment, "parse.done"));
}
} catch (IOException e) {
LOG.warning(e.toString());
this.fMessage = e.toString();
} finally {
try {
if (fileSystem != null) {
fileSystem.delete(running);
}
} catch (IOException e) {
LOG.warning(e.toString());
}
}
}
}