WIP: collectorWorker error reporting, added report messages

dhp-common/src/main/java/eu/dnetlib/dhp/message/Message.java

@@ -19,7 +19,8 @@ public class Message implements Serializable {
 
 	private Map<String, String> body;
 
-	public Message() {}
+	public Message() {
+	}
 
 	public Message(final MessageType messageType, final String workflowId) {
 		this(messageType, workflowId, new LinkedHashMap<>());

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/collection/CollectorPluginReport.java

@@ -3,12 +3,17 @@ package eu.dnetlib.dhp.collection;
 
 import java.io.Closeable;
 import java.io.IOException;
+import java.util.HashMap;
 import java.util.LinkedHashMap;
+import java.util.Map;
 import java.util.Objects;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.google.common.base.Joiner;
+import com.google.gson.Gson;
+
 import eu.dnetlib.dhp.message.MessageSender;
 
 public class CollectorPluginReport extends LinkedHashMap<String, String> implements Closeable {
@@ -33,7 +38,10 @@ public class CollectorPluginReport extends LinkedHashMap<String, String> impleme
 		if (Objects.nonNull(messageSender)) {
 			log.info("closing report: ");
 			this.forEach((k, v) -> log.info("{} - {}", k, v));
-			messageSender.sendReport(this);
+
+			Map<String, String> m = new HashMap<>();
+			m.put(getClass().getSimpleName().toLowerCase(), new Gson().toJson(values()));
+			messageSender.sendReport(m);
 		}
 	}
 }

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/collection/CollectorWorker.java

@@ -5,6 +5,8 @@ import static eu.dnetlib.dhp.common.Constants.SEQUENCE_FILE_NAME;
 
 import java.io.IOException;
 import java.util.Optional;
+import java.util.Timer;
+import java.util.TimerTask;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import org.apache.commons.lang3.StringUtils;
@@ -22,11 +24,11 @@ import eu.dnetlib.dhp.collection.plugin.CollectorPlugin;
 import eu.dnetlib.dhp.collection.plugin.mongodb.MongoDbCollectorPlugin;
 import eu.dnetlib.dhp.collection.plugin.mongodb.MongoDbDumpCollectorPlugin;
 import eu.dnetlib.dhp.collection.plugin.oai.OaiCollectorPlugin;
-import eu.dnetlib.dhp.message.MessageSender;
 
 public class CollectorWorker {
 
 	private static final Logger log = LoggerFactory.getLogger(CollectorWorker.class);
+	public static final int ONGOING_REPORT_FREQUENCY_MS = 5000;
 
 	private final ApiDescriptor api;
 
@@ -59,6 +61,14 @@ public class CollectorWorker {
 		final CollectorPlugin plugin = getCollectorPlugin();
 		final AtomicInteger counter = new AtomicInteger(0);
 
+		final Timer timer = new Timer();
+		timer.schedule(new TimerTask() {
+			@Override
+			public void run() {
+				report.ongoing(counter.longValue(), null);
+			}
+		}, 5000, ONGOING_REPORT_FREQUENCY_MS);
+
 		try (SequenceFile.Writer writer = SequenceFile
 			.createWriter(
 				fileSystem.getConf(),
@@ -73,21 +83,18 @@ public class CollectorWorker {
 				.forEach(
 					content -> {
 						key.set(counter.getAndIncrement());
-						if (counter.get() % 500 == 0)
-							report.ongoing(counter.longValue(), null);
 						value.set(content);
 						try {
 							writer.append(key, value);
 						} catch (Throwable e) {
-							report.put(e.getClass().getName(), e.getMessage());
-							log.warn("setting report to failed");
 							throw new RuntimeException(e);
 						}
 					});
 		} catch (Throwable e) {
 			report.put(e.getClass().getName(), e.getMessage());
-			log.warn("setting report to failed");
+			throw new CollectorException(e);
 		} finally {
+			timer.cancel();
 			report.ongoing(counter.longValue(), counter.longValue());
 		}
 	}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/collection/plugin/oai/OaiIterator.java

@@ -38,7 +38,7 @@ public class OaiIterator implements Iterator<String> {
 	private String token;
 	private boolean started;
 	private final HttpConnector2 httpConnector;
-	private CollectorPluginReport errorLogList;
+	private CollectorPluginReport report;
 
 	public OaiIterator(
 		final String baseUrl,
@@ -47,7 +47,7 @@ public class OaiIterator implements Iterator<String> {
 		final String fromDate,
 		final String untilDate,
 		final HttpConnector2 httpConnector,
-		final CollectorPluginReport errorLogList) {
+		final CollectorPluginReport report) {
 		this.baseUrl = baseUrl;
 		this.mdFormat = mdFormat;
 		this.set = set;
@@ -55,7 +55,7 @@ public class OaiIterator implements Iterator<String> {
 		this.untilDate = untilDate;
 		this.started = false;
 		this.httpConnector = httpConnector;
-		this.errorLogList = errorLogList;
+		this.report = report;
 	}
 
 	private void verifyStarted() {
@@ -113,7 +113,7 @@ public class OaiIterator implements Iterator<String> {
 
 			return downloadPage(url);
 		} catch (final UnsupportedEncodingException e) {
-			errorLogList.put(e.getClass().getName(), e.getMessage());
+			report.put(e.getClass().getName(), e.getMessage());
 			throw new CollectorException(e);
 		}
 	}
@@ -139,27 +139,27 @@ public class OaiIterator implements Iterator<String> {
 					+ "?verb=ListRecords&resumptionToken="
 					+ URLEncoder.encode(resumptionToken, "UTF-8"));
 		} catch (final UnsupportedEncodingException e) {
-			errorLogList.put(e.getClass().getName(), e.getMessage());
+			report.put(e.getClass().getName(), e.getMessage());
 			throw new CollectorException(e);
 		}
 	}
 
 	private String downloadPage(final String url) throws CollectorException {
 
-		final String xml = httpConnector.getInputSource(url, errorLogList);
+		final String xml = httpConnector.getInputSource(url, report);
 		Document doc;
 		try {
 			doc = reader.read(new StringReader(xml));
 		} catch (final DocumentException e) {
 			log.warn("Error parsing xml, I try to clean it. {}", e.getMessage());
-			errorLogList.put(e.getClass().getName(), e.getMessage());
+			report.put(e.getClass().getName(), e.getMessage());
 			final String cleaned = XmlCleaner.cleanAllEntities(xml);
 			try {
 				doc = reader.read(new StringReader(cleaned));
 			} catch (final DocumentException e1) {
 				final String resumptionToken = extractResumptionToken(xml);
 				if (resumptionToken == null) {
-					errorLogList.put(e1.getClass().getName(), e1.getMessage());
+					report.put(e1.getClass().getName(), e1.getMessage());
 					throw new CollectorException("Error parsing cleaned document:\n" + cleaned, e1);
 				}
 				return resumptionToken;
@@ -172,11 +172,11 @@ public class OaiIterator implements Iterator<String> {
 			if ("noRecordsMatch".equalsIgnoreCase(code)) {
 				final String msg = "noRecordsMatch for oai call : " + url;
 				log.warn(msg);
-				errorLogList.put(REPORT_PREFIX + code, msg);
+				report.put(REPORT_PREFIX + code, msg);
 				return null;
 			} else {
 				final String msg = code + " - " + errorNode.getText();
-				errorLogList.put(REPORT_PREFIX + "error", msg);
+				report.put(REPORT_PREFIX + "error", msg);
 				throw new CollectorException(msg);
 			}
 		}
@@ -188,7 +188,7 @@ public class OaiIterator implements Iterator<String> {
 		return doc.valueOf("//*[local-name()='resumptionToken']");
 	}
 
-	public CollectorPluginReport getErrorLogList() {
-		return errorLogList;
+	public CollectorPluginReport getReport() {
+		return report;
 	}
 }

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/collection/plugin/oai/OaiIteratorFactory.java

@@ -18,9 +18,8 @@ public class OaiIteratorFactory {
 		final String fromDate,
 		final String untilDate,
 		final HttpClientParams clientParams,
-		final CollectorPluginReport errorLogList) {
-		return new OaiIterator(baseUrl, mdFormat, set, fromDate, untilDate, getHttpConnector(clientParams),
-			errorLogList);
+		final CollectorPluginReport report) {
+		return new OaiIterator(baseUrl, mdFormat, set, fromDate, untilDate, getHttpConnector(clientParams), report);
 	}
 
 	private HttpConnector2 getHttpConnector(HttpClientParams clientParams) {