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package eu.dnetlib.msro.workflows.nodes.hadoop;
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import javax.annotation.Resource;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.msro.workflows.graph.Arc;
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import eu.dnetlib.msro.workflows.nodes.SimpleJobNode;
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import eu.dnetlib.msro.workflows.procs.Env;
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import eu.dnetlib.rmi.common.ResultSet;
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import eu.dnetlib.rmi.data.MDStoreService;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* This jobNode reads all the metadata records from all the mongodb collections and generates an hdfs sequence file.
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*
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* @author claudio
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*/
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public class MDStoreBatchExporterJobNode extends SimpleJobNode {
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private static final Log log = LogFactory.getLog(MDStoreBatchExporterJobNode.class); // NOPMD by marko on 11/24/08 5:02 PM
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private String format;
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private String layout;
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private String interpretation;
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private String outputEprParam;
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@Resource
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private UniqueServiceLocator serviceLocator;
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@Override
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public String execute(final Env env) throws Exception {
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log.info("bulk reading MDStores: " + getFormat() + "-" + getLayout() + "-" + getInterpretation());
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final ResultSet<String> rs =
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getServiceLocator().getService(MDStoreService.class).bulkDeliverMDRecords(getFormat(), getLayout(), getInterpretation());
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env.setAttribute(getOutputEprParam(), rs);
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return Arc.DEFAULT_ARC;
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}
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public String getFormat() {
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return format;
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}
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public void setFormat(final String format) {
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this.format = format;
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}
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public String getLayout() {
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return layout;
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}
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public void setLayout(final String layout) {
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this.layout = layout;
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}
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public String getInterpretation() {
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return interpretation;
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}
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public void setInterpretation(final String interpretation) {
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this.interpretation = interpretation;
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}
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public String getOutputEprParam() {
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return outputEprParam;
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}
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public void setOutputEprParam(final String outputEprParam) {
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this.outputEprParam = outputEprParam;
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}
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public UniqueServiceLocator getServiceLocator() {
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return serviceLocator;
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}
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}
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