/** * Copyright 2012 - CommonCrawl Foundation * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * **/ package org.commoncrawl.mapred.pipelineV3.crawllistgen; import java.io.IOException; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; import org.commoncrawl.mapred.pipelineV3.CrawlPipelineTask; import org.commoncrawl.mapred.pipelineV3.domainmeta.DomainMetadataTask; /** * * @author rana * */ public class CrawlListGeneratorTask extends CrawlPipelineTask { private static final Log LOG = LogFactory.getLog(CrawlListGeneratorTask.class); public static final String OUTPUT_DIR_NAME = "crawlListGen"; public static final int NUM_SHARDS = 20 * 20; public static final int KEY_TYPE_CRAWLSTATS = 1; public static final int KEY_TYPE_HOMEPAGE_URL = 10; public static final int KEY_TYPE_FEED_URL = 11; public static final int KEY_TYPE_BLOGPROBE_URL = 12; public static final int KEY_TYPE_REDIRECT_RECORD = 13; public static final int KEY_TYPE_CRAWLDATA = 20; public CrawlListGeneratorTask(CrawlPipelineTask task) throws IOException { super(task, "Crawl List Generator Task",OUTPUT_DIR_NAME); addStep(new ShardRootDomainClassificationStep(this)); addStep(new ShardSubDomainMetadataStep(this)); addStep(new NewPartitionUrlsStep(this)); addStep(new PartitionWikipediaUrlsStep(this)); addStep(new NewGenBundlesStep(this)); addStep(new GenSegmentsStep(this)); /* addStep(new PartitionCrawlDBStep(this)); addStep(new GenHomepageUrlsStep(this)); addStep(new GenBlogPlatformUrlsStep(this)); addStep(new GenFeedUrlsStep(this)); addStep(new PartitionCrawlStatsStep(this)); addStep(new PartitionRedirectDataStep(this)); addStep(new GenBundlesStep(this)); addStep(new GenSegmentsStep(this)); addStep(new MoveSegmentsStep(this)); */ } @Override public Log getLogger() { return LOG; } @Override protected boolean promoteFinalStepOutput() { return false; } }