68 lines
2.4 KiB
Java
68 lines
2.4 KiB
Java
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package eu.dnetlib.dhp.collection.worker;
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import static eu.dnetlib.dhp.aggregation.common.AggregationConstants.*;
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import static eu.dnetlib.dhp.aggregation.common.AggregationUtility.*;
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import static eu.dnetlib.dhp.application.ApplicationUtils.*;
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import org.apache.commons.io.IOUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import eu.dnetlib.data.mdstore.manager.common.model.MDStoreVersion;
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import eu.dnetlib.dhp.aggregation.common.AggregationUtility;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.collection.worker.utils.CollectorPluginErrorLogList;
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import eu.dnetlib.dhp.collection.worker.utils.CollectorPluginFactory;
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import eu.dnetlib.dhp.collector.worker.model.ApiDescriptor;
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/**
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* DnetCollectortWorkerApplication is the main class responsible to start the Dnet Collection into HDFS. This module
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* will be executed on the hadoop cluster and taking in input some parameters that tells it which is the right collector
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* plugin to use and where store the data into HDFS path
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*
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* @author Sandro La Bruzzo
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*/
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public class CollectorWorkerApplication {
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private static final Logger log = LoggerFactory.getLogger(CollectorWorkerApplication.class);
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/**
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* @param args
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*/
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public static void main(final String[] args) throws Exception {
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final ArgumentApplicationParser argumentParser = new ArgumentApplicationParser(
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IOUtils
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.toString(
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CollectorWorker.class
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.getResourceAsStream(
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"/eu/dnetlib/dhp/collection/collector_parameter.json")));
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argumentParser.parseArgument(args);
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final String hdfsuri = argumentParser.get("namenode");
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log.info("hdfsURI is {}", hdfsuri);
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final String apiDescriptor = argumentParser.get("apidescriptor");
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log.info("apiDescriptor is {}", apiDescriptor);
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final String mdStoreVersion = argumentParser.get("mdStoreVersion");
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log.info("mdStoreVersion is {}", mdStoreVersion);
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final MDStoreVersion currentVersion = MAPPER.readValue(mdStoreVersion, MDStoreVersion.class);
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final String hdfsPath = currentVersion.getHdfsPath() + SEQUENCE_FILE_NAME;
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log.info("hdfs path is {}", hdfsPath);
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final ApiDescriptor api = MAPPER.readValue(apiDescriptor, ApiDescriptor.class);
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final CollectorWorker worker = new CollectorWorker(api, hdfsuri, hdfsPath);
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CollectorPluginErrorLogList errors = worker.collect();
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populateOOZIEEnv("collectorErrors", errors.toString());
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}
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}
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