D-Net

package eu.dnetlib.msro.workflows.nodes.hadoop;

import javax.annotation.Resource;

import eu.dnetlib.msro.workflows.graph.Arc;

import eu.dnetlib.msro.workflows.procs.Env;

import eu.dnetlib.rmi.common.ResultSet;

import eu.dnetlib.rmi.data.MDStoreService;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import eu.dnetlib.enabling.locators.UniqueServiceLocator;

import eu.dnetlib.msro.workflows.nodes.SimpleJobNode;

/**

 * This jobNode reads all the metadata records from all the mongodb collections and generates an hdfs sequence file.

 *

 * @author claudio

 *

 */

public class MDStoreBatchExporterJobNode extends SimpleJobNode {

	private static final Log log = LogFactory.getLog(MDStoreBatchExporterJobNode.class); // NOPMD by marko on 11/24/08 5:02 PM

	private String format;

	private String layout;

	private String interpretation;

	private String outputEprParam;

	@Resource

	private UniqueServiceLocator serviceLocator;

	@Override

	public String execute(final Env env) throws Exception {

		log.info("bulk reading MDStores: " + getFormat() + "-" + getLayout() + "-" + getInterpretation());

		final ResultSet<String> rs =

				getServiceLocator().getService(MDStoreService.class).bulkDeliverMDRecords(getFormat(), getLayout(), getInterpretation());

		env.setAttribute(getOutputEprParam(), rs);

		return Arc.DEFAULT_ARC;

	}

	public String getFormat() {

		return format;

	}

	public void setFormat(final String format) {

		this.format = format;

	}

	public String getLayout() {

		return layout;

	}

	public void setLayout(final String layout) {

		this.layout = layout;

	}

	public String getInterpretation() {

		return interpretation;

	}

	public void setInterpretation(final String interpretation) {

		this.interpretation = interpretation;

	}

	public String getOutputEprParam() {

		return outputEprParam;

	}

	public void setOutputEprParam(final String outputEprParam) {

		this.outputEprParam = outputEprParam;

	}

	public UniqueServiceLocator getServiceLocator() {

		return serviceLocator;

	}

}