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35797
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claudio.at
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package eu.dnetlib.msro.workflows.hadoop;
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import java.util.Map;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.beans.factory.annotation.Required;
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import com.googlecode.sarasvati.Engine;
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import com.googlecode.sarasvati.NodeToken;
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import com.googlecode.sarasvati.env.Env;
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import eu.dnetlib.data.hadoop.rmi.HadoopBlackboardActions;
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import eu.dnetlib.data.hadoop.rmi.HadoopService;
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import eu.dnetlib.enabling.resultset.rmi.ResultSetException;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardJob;
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import eu.dnetlib.miscutils.functional.xml.DnetXsltFunctions;
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import eu.dnetlib.msro.workflows.nodes.BlackboardJobNode;
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import eu.dnetlib.msro.workflows.nodes.ProgressJobNode;
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import eu.dnetlib.msro.workflows.nodes.blackboard.BlackboardWorkflowJobListener;
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import eu.dnetlib.msro.workflows.resultset.ProcessCountingResultSetFactory;
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import eu.dnetlib.msro.workflows.util.ProgressProvider;
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import eu.dnetlib.msro.workflows.util.ResultsetProgressProvider;
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import eu.dnetlib.msro.workflows.util.WorkflowsConstants;
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public class StoreHdfsRecordsJobNode extends BlackboardJobNode implements ProgressJobNode {
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private static final Log log = LogFactory.getLog(StoreHdfsRecordsJobNode.class); // NOPMD by marko on 11/24/08 5:02 PM
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private String inputEprParam;
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private String hdfsPathParam;
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private String cluster;
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private ProgressProvider progressProvider;
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private ProcessCountingResultSetFactory processCountingResultSetFactory;
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@Override
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protected String obtainServiceId(final NodeToken token) {
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return getServiceLocator().getServiceId(HadoopService.class);
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}
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@Override
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protected void prepareJob(final BlackboardJob job, final NodeToken token) throws Exception {
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log.info("Invoking blackboard method");
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job.setAction(HadoopBlackboardActions.IMPORT_EPR_HDFS.toString());
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job.getParameters().put("input_epr", DnetXsltFunctions.encodeBase64(prepareEpr(token)));
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job.getParameters().put("path", token.getEnv().getAttribute(getHdfsPathParam()));
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job.getParameters().put("cluster", getCluster());
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}
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@Override
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protected BlackboardWorkflowJobListener generateBlackboardListener(final Engine engine, final NodeToken token) {
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return new BlackboardWorkflowJobListener(engine, token) {
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@Override
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protected void populateEnv(final Env env, final Map<String, String> responseParams) {
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env.setAttribute(WorkflowsConstants.MAIN_LOG_PREFIX + getName() + ":count", responseParams.get("count"));
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}
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};
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}
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private String prepareEpr(final NodeToken token) throws ResultSetException {
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final String epr = token.getEnv().getAttribute(inputEprParam);
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final ResultsetProgressProvider resultsetProgressProvider = processCountingResultSetFactory.createProgressProvider(token.getProcess(), epr);
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setProgressProvider(resultsetProgressProvider);
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return resultsetProgressProvider.getEpr().toString();
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}
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public String getInputEprParam() {
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return inputEprParam;
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}
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public void setInputEprParam(final String inputEprParam) {
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this.inputEprParam = inputEprParam;
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}
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@Required
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public void setProcessCountingResultSetFactory(final ProcessCountingResultSetFactory processCountingResultSetFactory) {
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this.processCountingResultSetFactory = processCountingResultSetFactory;
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}
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@Override
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public ProgressProvider getProgressProvider() {
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return progressProvider;
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}
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public void setProgressProvider(final ProgressProvider progressProvider) {
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this.progressProvider = progressProvider;
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}
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public ProcessCountingResultSetFactory getProcessCountingResultSetFactory() {
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return processCountingResultSetFactory;
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}
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public String getCluster() {
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return cluster;
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}
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public void setCluster(final String cluster) {
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this.cluster = cluster;
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}
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public String getHdfsPathParam() {
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return hdfsPathParam;
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}
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public void setHdfsPathParam(final String hdfsPathParam) {
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this.hdfsPathParam = hdfsPathParam;
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}
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}
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