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package eu.dnetlib.validator.service.impls.listeners;
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3
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.BlockingQueue;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.concurrent.atomic.AtomicInteger;
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import org.apache.log4j.Logger;
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import org.springframework.core.task.TaskExecutor;
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import eu.dnetlib.api.enabling.ResultSetService;
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import eu.dnetlib.api.enabling.ResultSetServiceException;
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import eu.dnetlib.domain.EPR;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardJob;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardNotificationHandler;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardServerHandler;
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import eu.dnetlib.utils.EPRUtils;
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import eu.dnetlib.validator.engine.ValidatorException;
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import eu.dnetlib.validator.engine.execution.CompletedTask;
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import eu.dnetlib.validator.engine.execution.JobListener;
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import gr.uoa.di.driver.util.ServiceLocator;
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import javax.annotation.PostConstruct;
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public class DnetListener implements JobListener {
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private static Logger logger = Logger.getLogger(DnetListener.class);
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private final AtomicInteger activeThreads = new AtomicInteger(0);
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public Object allThreadsFinished = new Object();
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private RecordXMLBuilder xmlBuilder;
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private BlackboardJob job;
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private BlackboardNotificationHandler<BlackboardServerHandler> blackboardHandler;
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private TaskExecutor rsExecutor;
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private ServiceLocator<ResultSetService> resultSetServiceLocator = null;
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private ResultSetService resultSetService;
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private String outputResultSetID;
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private List<String> outputRSBuffer, outputDiskBuffer;
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private EPR outputEpr;
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private int internalJobsFinished = 0;
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private int internalJobsSum = 1;
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private int objsValidated = 0;
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private int jobStatusUpdateInterval;
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private boolean eprSetOk = false;
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private boolean enableOutputToRS = false;
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private boolean enableOutputToDisk = false;
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private boolean diskSetOk = false;
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private BufferedWriter bw = null;
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private BlockingQueue<String> queue;
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private int validationJobId;
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@PostConstruct
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public void initOutputs() {
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logger.debug("initializing outputs");
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if (enableOutputToRS) {
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if (!eprSetOk) {
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this.initEprOutput();
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job.getParameters().put("outputResultSetEpr",
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EPRUtils.eprToXml(outputEpr));
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eprSetOk = true;
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logger.debug("epr output ok");
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logger.debug("output epr id successfully set: "
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+ EPRUtils.eprToXml(outputEpr));
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logger.debug("current job status: " + job.getActionStatus());
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}
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}
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if (enableOutputToDisk) {
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logger.debug("initializing disk 0");
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if (!diskSetOk) {
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logger.debug("initializing disk 1");
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this.initDiskOutput();
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diskSetOk = true;
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logger.debug("disk output ok");
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}
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} else {
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logger.debug("initializing disk disabled");
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}
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}
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public void initEprOutput() {
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try {
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logger.debug("Initializing ResultSetService.");
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// Get reference to service
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resultSetService = resultSetServiceLocator.getService();
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// Create a new result set
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outputEpr = resultSetService.createPushRS(86400, 0);
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// get result set ids
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outputResultSetID = outputEpr.getParameter("ResourceIdentifier");
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// initializing buffers
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outputRSBuffer = new ArrayList<String>();
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queue = new LinkedBlockingQueue<String>();
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} catch (Exception e) {
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logger.error("Error initializing ResultSetService.", e);
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blackboardHandler.getBlackboardHandler().failed(job, e);
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}
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}
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public void initDiskOutput() {
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try {
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logger.debug("Initializing FileOutputStream.");
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// File file = new File("/var/lib/dnet/validator/workflow_blacklists/"
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// + validationJobId);
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String datasourceId;
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if (job.getParameters().get("datasourceId") != null) {
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datasourceId = job.getParameters().get("datasourceId");
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} else if (job.getParameters().get("datasourceID") != null) {
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datasourceId = job.getParameters().get("datasourceID");
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} else {
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datasourceId = "unknownId";
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}
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File file = new File("/var/lib/dnet/validator/workflow_blacklists/" + datasourceId);
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logger.debug("File: + /var/lib/dnet/validator/workflow_blacklists/" + datasourceId);
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if (file.exists()) {
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logger.debug("File will be replaced");
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file.delete();
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}
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file.createNewFile();
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bw = new BufferedWriter(new FileWriter(file.getAbsoluteFile()));
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// GZIPOutputStream zip = new GZIPOutputStream(new FileOutputStream(file.getAbsoluteFile()));
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// bw = new BufferedWriter(new OutputStreamWriter(zip, "UTF-8"));
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outputDiskBuffer = new ArrayList<String>();
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} catch (IOException e) {
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logger.error("Error initializing FileOutputStream.", e);
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blackboardHandler.getBlackboardHandler().failed(job, e);
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}
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}
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@Override
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public synchronized void currentResults(List<CompletedTask> tasks, int jobId, Object record, Map<String, Object> recordContext, Throwable t) throws ValidatorException {
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try {
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blackboardHandler.getBlackboardHandler().failed(job, t);
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} catch (Exception e) {
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logger.error("Error while proccessing record results");
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throw new ValidatorException("Error while proccessing record results", e);
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}
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}
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@Override
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public synchronized void currentResults(List<CompletedTask> tasks, int jobId, Object record, Map<String, Object> recordContext) throws ValidatorException {
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try {
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if (enableOutputToRS) {
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if (!eprSetOk) {
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this.initEprOutput();
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job.getParameters().put("outputResultSetEpr", EPRUtils.eprToXml(outputEpr));
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eprSetOk = true;
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logger.error("output epr id successfully set: " + EPRUtils.eprToXml(outputEpr));
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logger.error("current job status: " + job.getActionStatus());
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}
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long time1 = Calendar.getInstance().getTimeInMillis();
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// @SuppressWarnings("unchecked")
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String xmlString = xmlBuilder.buildXml((List<Map<String, String>>) recordContext.get("veloList"), record, (Map<String, String>) recordContext.get("recordValidationResult"));
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long time2 = Calendar.getInstance().getTimeInMillis();
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logger.debug("Building the xml took " + ((time2 - time1)) + " milli seconds");
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this.sendToQueue(xmlString);
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// logger.debug("XML: " + xmlString);
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}
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if (enableOutputToDisk) {
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if (!diskSetOk) {
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this.initDiskOutput();
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diskSetOk = true;
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}
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if ((Integer) recordContext.get("recordBlacklistScore") < 100) {
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bw.write(tasks.get(0).valobjId);
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bw.newLine();
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}
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// outputDiskBuffer.add(tasks.get(0).valobjId);
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// if (outputDiskBuffer.size() % 1000 == 0) {
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// for (String id : outputDiskBuffer) {
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// bw.write(id);
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// bw.newLine();
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// }
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// outputDiskBuffer.clear();
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// }
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}
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199
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200
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objsValidated++;
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201
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202
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if (objsValidated % jobStatusUpdateInterval == 0) {
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job.getParameters().put("recordsTested",
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204
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Integer.toString(objsValidated));
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blackboardHandler.getBlackboardHandler().ongoing(job);
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}
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207
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} catch (Exception e) {
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logger.error("Error while proccessing record results");
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throw new ValidatorException("Error while proccessing record results", e);
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}
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211
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}
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212
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213
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@Override
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214
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public synchronized void finished(int jobId, Map<String, Object> jobContext) {
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215
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try {
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216
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217
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logger.debug("Job " + jobId + " finished");
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218
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219
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internalJobsFinished++;
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220
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if (internalJobsFinished == internalJobsSum) {
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221
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222
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logger.debug("internalJobsFinished == internalJobsSum: " + (internalJobsFinished == internalJobsSum));
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223
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if (enableOutputToRS && eprSetOk) {
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224
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// send remaining xmls from buffers
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225
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// if (outputRSBuffer.size() > 0) {
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226
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// try {
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227
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// resultSetService.populateRS(outputResultSetID,
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228
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// outputRSBuffer);
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229
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// outputRSBuffer.clear();
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230
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// } catch (ResultSetServiceException e) {
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231
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// logger.error("Error populating ResultSetService.",
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232
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// e);
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233
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// }
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234
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// }
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235
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try {
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236
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queue.put("finished");
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237
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238
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} catch (InterruptedException e) {
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239
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logger.error("Error finalizing queue", e);
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240
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}
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241
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242
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if (queue.size() > 0) {
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243
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long time1 = Calendar.getInstance().getTimeInMillis();
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244
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activeThreads.getAndIncrement();
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245
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RSTask task = new RSTask(resultSetService, outputResultSetID, queue, activeThreads, allThreadsFinished);
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246
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rsExecutor.execute(task);
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247
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long time2 = Calendar.getInstance().getTimeInMillis();
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248
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logger.debug("Populating RS took " + ((time2 - time1))
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249
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+ " milli seconds");
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250
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}
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251
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252
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// finally, close rs.
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253
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logger.debug("active threads to finish: " + activeThreads.get());
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254
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logger.debug("trying to close result set");
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255
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while (activeThreads.get() > 0) {
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256
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logger.debug("waiting active threads to finish. Remaining: " + activeThreads.get());
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257
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synchronized (allThreadsFinished) {
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258
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allThreadsFinished.wait();
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259
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}
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260
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logger.debug("retrying to finish. Remaining: " + activeThreads.get());
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261
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}
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262
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logger.debug("closing result set");
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263
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resultSetService.closeRS(outputResultSetID);
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264
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}
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265
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if (enableOutputToDisk && diskSetOk) {
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266
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bw.write("FINISHED");
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267
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// bw.newLine();
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268
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// logger.debug("output disk buffer size: " + outputDiskBuffer.size());
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269
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// if (outputDiskBuffer.size() > 0) {
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270
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// for (String id : outputDiskBuffer) {
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271
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// bw.write(id);
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272
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// bw.newLine();
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273
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// }
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274
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// outputDiskBuffer.clear();
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275
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// }
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276
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bw.close();
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277
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}
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278
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// job.getParameters().put("outputResultSetEpr",
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279
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// EPRUtils.eprToXml(outputEpr));
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280
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job.getParameters().put("jobId",
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281
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Integer.toString(validationJobId));
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282
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283
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job.getParameters().put("recordsTested", Integer.toString(objsValidated));
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284
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// job.getParameters().put(
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285
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// "recordsInResultSet",
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286
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// Integer.toString(resultSetService
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287
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// .getNumberOfElements(outputResultSetID)));
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288
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// update job status
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289
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blackboardHandler.getBlackboardHandler().done(job);
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290
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|
|
291
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} else {
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292
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logger.debug("Waiting "
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293
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+ (internalJobsSum - internalJobsFinished)
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294
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+ " job(s) to finish");
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295
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}
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296
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} catch (Exception e) {
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|
297
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logger.error("Error while finalizing successfull workflow job", e);
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|
298
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}
|
|
299
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}
|
|
300
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|
|
301
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@Override
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|
302
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public synchronized void failed(int jobId, Map<String, Object> jobContext,
|
|
303
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Throwable t) {
|
|
304
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try {
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|
305
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internalJobsFinished++;
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|
306
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if (internalJobsFinished == internalJobsSum) {
|
|
307
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if (enableOutputToRS && eprSetOk) {
|
|
308
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resultSetService.closeRS(outputResultSetID);
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|
309
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}
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|
310
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if (enableOutputToDisk && diskSetOk) {
|
|
311
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outputDiskBuffer.clear();
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312
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bw.close();
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313
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File file = new File("/tmp/validator-wf/"
|
|
314
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+ validationJobId);
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315
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// File file = new File("/tmp/validator-wf/"
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|
316
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// + job.getParameters().get("datasourceId"));
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|
317
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if (file.exists()) {
|
|
318
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file.delete();
|
|
319
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}
|
|
320
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}
|
|
321
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job.getParameters().put("jobId",
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322
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Integer.toString(validationJobId));
|
|
323
|
|
|
324
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// update job status
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|
325
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blackboardHandler.getBlackboardHandler().failed(job, t);
|
|
326
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} else {
|
|
327
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logger.debug("Waiting "
|
|
328
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+ (internalJobsSum - internalJobsFinished)
|
|
329
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+ " job(s) to finish");
|
|
330
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}
|
|
331
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} catch (Exception e) {
|
|
332
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logger.error("Error while finalizing failed workflow job", e);
|
|
333
|
}
|
|
334
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}
|
|
335
|
|
|
336
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private void sendToQueue(String xmlString) {
|
|
337
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logger.debug("received passed XMLresult");
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|
338
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// add records
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339
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// if (queue.size() == 100000) {
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|
340
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// queue.clear();
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|
341
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// resultSetService.
|
|
342
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// }
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|
343
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try {
|
|
344
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queue.put(xmlString);
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|
345
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} catch (InterruptedException e1) {
|
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346
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logger.error("Error putting in queue.", e1);
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347
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}
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348
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if (queue.size() > 50) {
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349
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long time1 = Calendar.getInstance().getTimeInMillis();
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|
350
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RSTask task = new RSTask(resultSetService, outputResultSetID, queue, activeThreads, allThreadsFinished);
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|
351
|
// synchronized (counterLock) {
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352
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// activeThreads ++;
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|
353
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// }
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|
354
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activeThreads.getAndIncrement();
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355
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rsExecutor.execute(task);
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356
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long time2 = Calendar.getInstance().getTimeInMillis();
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357
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logger.debug("Populating RS took " + ((time2 - time1))
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|
358
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+ " milli seconds");
|
|
359
|
}
|
|
360
|
}
|
|
361
|
|
|
362
|
public RecordXMLBuilder getXmlBuilder() {
|
|
363
|
return xmlBuilder;
|
|
364
|
}
|
|
365
|
|
|
366
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public void setXmlBuilder(RecordXMLBuilder xmlBuilder) {
|
|
367
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this.xmlBuilder = xmlBuilder;
|
|
368
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}
|
|
369
|
|
|
370
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public BlackboardJob getJob() {
|
|
371
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return job;
|
|
372
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}
|
|
373
|
|
|
374
|
public void setJob(BlackboardJob job) {
|
|
375
|
this.job = job;
|
|
376
|
}
|
|
377
|
|
|
378
|
public ServiceLocator<ResultSetService> getResultSetServiceLocator() {
|
|
379
|
return resultSetServiceLocator;
|
|
380
|
}
|
|
381
|
|
|
382
|
public void setResultSetServiceLocator(
|
|
383
|
ServiceLocator<ResultSetService> resultSetServiceLocator) {
|
|
384
|
this.resultSetServiceLocator = resultSetServiceLocator;
|
|
385
|
}
|
|
386
|
|
|
387
|
public BlackboardNotificationHandler<BlackboardServerHandler> getBlackboardHandler() {
|
|
388
|
return blackboardHandler;
|
|
389
|
}
|
|
390
|
|
|
391
|
public void setBlackboardHandler(
|
|
392
|
BlackboardNotificationHandler<BlackboardServerHandler> blackboardHandler) {
|
|
393
|
this.blackboardHandler = blackboardHandler;
|
|
394
|
}
|
|
395
|
|
|
396
|
public TaskExecutor getRsExecutor() {
|
|
397
|
return rsExecutor;
|
|
398
|
}
|
|
399
|
|
|
400
|
public void setRsExecutor(TaskExecutor rsExecutor) {
|
|
401
|
this.rsExecutor = rsExecutor;
|
|
402
|
}
|
|
403
|
|
|
404
|
public int getInternalJobsSum() {
|
|
405
|
return internalJobsSum;
|
|
406
|
}
|
|
407
|
|
|
408
|
public void setInternalJobsSum(int internalJobsSum) {
|
|
409
|
this.internalJobsSum = internalJobsSum;
|
|
410
|
}
|
|
411
|
|
|
412
|
public int getValidationJobId() {
|
|
413
|
return validationJobId;
|
|
414
|
}
|
|
415
|
|
|
416
|
public void setValidationJobId(int validationJobId) {
|
|
417
|
this.validationJobId = validationJobId;
|
|
418
|
}
|
|
419
|
|
|
420
|
public int getJobStatusUpdateInterval() {
|
|
421
|
return jobStatusUpdateInterval;
|
|
422
|
}
|
|
423
|
|
|
424
|
public void setJobStatusUpdateInterval(int jobStatusUpdateInterval) {
|
|
425
|
this.jobStatusUpdateInterval = jobStatusUpdateInterval;
|
|
426
|
}
|
|
427
|
|
|
428
|
public boolean isEnableOutputToDisk() {
|
|
429
|
return enableOutputToDisk;
|
|
430
|
}
|
|
431
|
|
|
432
|
public void setEnableOutputToDisk(boolean enableOutputToDisk) {
|
|
433
|
this.enableOutputToDisk = enableOutputToDisk;
|
|
434
|
}
|
|
435
|
|
|
436
|
public boolean isEnableOutputToRS() {
|
|
437
|
return enableOutputToRS;
|
|
438
|
}
|
|
439
|
|
|
440
|
public void setEnableOutputToRS(boolean enableOutputToRS) {
|
|
441
|
this.enableOutputToRS = enableOutputToRS;
|
|
442
|
}
|
|
443
|
|
|
444
|
}
|