Revision 60351
Added by Michele Artini about 3 years ago
| DnetMessageManager.java | ||
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package eu.dnetlib.msro.openaireplus.workflows.nodes.dhp.message; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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import eu.dnetlib.message.Message; |
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import eu.dnetlib.message.MessageManager; |
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import eu.dnetlib.message.MessageType; |
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import org.apache.commons.lang3.StringUtils; |
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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 org.springframework.beans.factory.annotation.Value; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.concurrent.LinkedBlockingQueue; |
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import eu.dnetlib.message.Message; |
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import eu.dnetlib.message.MessageType; |
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import eu.dnetlib.msro.rmi.MSROException; |
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public class DnetMessageManager {
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private static final Log log = LogFactory.getLog(DnetMessageManager.class); |
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private MessageManager manager;
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private static final Log log = LogFactory.getLog(DnetMessageManager.class);
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private LinkedBlockingQueue<Message> messages = new LinkedBlockingQueue<>();
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private final Map<String, Message> onGonginMessages = Collections.synchronizedMap(new LinkedHashMap<>());
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private final Map<String, List<Message>> reports = Collections.synchronizedMap(new LinkedHashMap<>()); |
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private final Map<String, Message> onGonginMessages = new HashMap<>();
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private long maxNumberOfOnGoingMessages;
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private final Map<String, List<Message>> reportMessages = new HashMap<>();
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private long maxNumberOfReports;
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private String messageQueueServer; |
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public synchronized void registerMessage(final Message message) throws MSROException {
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if (message.getType() == MessageType.ONGOING) {
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log.debug("Received a ONGOING message");
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onGonginMessages.put(message.getWorkflowId(), message); |
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if (onGonginMessages.size() > maxNumberOfOnGoingMessages) {
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onGonginMessages.remove(onGonginMessages.keySet().iterator().next()); |
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} |
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} else if (message.getType() == MessageType.REPORT) {
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log.debug("Received a REPORT message");
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if (!reports.containsKey(message.getWorkflowId())) {
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reports.put(message.getWorkflowId(), new ArrayList<>()); |
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} |
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reports.get(message.getWorkflowId()).add(message); |
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if (reports.size() > maxNumberOfReports) {
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reports.remove(reports.keySet().iterator().next()); |
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} |
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} else {
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throw new MSROException("Invalid message type: " + message.getType());
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} |
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} |
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private String username; |
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public List<Message> getReports(final String workflowId, final boolean delete) {
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if (!reports.containsKey(workflowId)) {
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return new ArrayList<>(); |
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} else if (delete) {
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return reports.remove(workflowId); |
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} else {
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return reports.get(workflowId); |
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} |
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} |
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private String password; |
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public Message getOnGoingMessage(final String workflowId) {
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return onGonginMessages.get(workflowId); |
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} |
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@Value("${dnet.openaire.messageManager.ongoingMessageQueueName}")
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private String onGoingMessageQueue; |
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public long getMaxNumberOfOnGoingMessages() {
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return maxNumberOfOnGoingMessages; |
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} |
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@Value("${dnet.openaire.messageManager.reportMessageQueueName}")
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private String reportMessageQueue; |
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@Required |
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public void setMaxNumberOfOnGoingMessages(final long maxNumberOfOnGoingMessages) {
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this.maxNumberOfOnGoingMessages = maxNumberOfOnGoingMessages; |
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} |
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public long getMaxNumberOfReports() {
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return maxNumberOfReports; |
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} |
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public DnetMessageManager() {
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@Required |
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public void setMaxNumberOfReports(final long maxNumberOfReports) {
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this.maxNumberOfReports = maxNumberOfReports; |
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} |
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} |
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protected Map<String, Message> getOnGonginMessages() {
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return onGonginMessages; |
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} |
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private String createReportId(final String wfId, final String jobName) {
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return String.format("%s::%s", wfId, jobName);
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} |
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public void startListeningMessage() throws Exception {
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if (manager == null && StringUtils.isNotBlank(messageQueueServer) && StringUtils.isNotBlank(reportMessageQueue)) {
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manager = new MessageManager(messageQueueServer, username, password, messages); |
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manager.startConsumingMessage(onGoingMessageQueue, true, false); |
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manager.startConsumingMessage(reportMessageQueue, true, false); |
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Runnable r = () -> {
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while (true) {
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try {
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Message currentMessage = messages.take(); |
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if (currentMessage.getType() == MessageType.ONGOING) {
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synchronized (onGonginMessages) {
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onGonginMessages.put(currentMessage.getWorkflowId(), currentMessage); |
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} |
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} else {
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synchronized (reportMessages) {
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if (!reportMessages.containsKey(currentMessage.getWorkflowId())) |
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{
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reportMessages.put(currentMessage.getWorkflowId(), new ArrayList<>()); |
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} |
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reportMessages.get(currentMessage.getWorkflowId()).add(currentMessage); |
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} |
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} |
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} catch (InterruptedException e) {
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log.error("An error occured on retrieving messages from the blocking queue",e);
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throw new RuntimeException("An error occured on retrieving messages from the blocking queue",e);
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} |
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} |
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}; |
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new Thread(r).start(); |
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} |
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} |
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public List<Message> getReport(final String workflowId) {
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return getMessages(reportMessages, workflowId); |
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} |
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private List<Message> getMessages(final Map<String, List<Message>> messageMap, String reportId) {
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if (messageMap.containsKey(reportId)) {
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List<Message> m = messageMap.get(reportId); |
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messageMap.remove(reportId); |
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return m; |
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} |
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return null; |
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} |
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private Message getMessage(final Map<String, Message> messageMap, String reportId) {
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if (messageMap.containsKey(reportId)) {
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Message m = messageMap.get(reportId); |
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messageMap.remove(reportId); |
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return m; |
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} |
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return null; |
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} |
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public Message getOnGoingMessages(final String workflowId) {
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return getMessage(onGonginMessages, workflowId); |
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} |
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public String getMessageQueueServer() {
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return messageQueueServer; |
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} |
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@Required |
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public void setMessageQueueServer(String messageQueueServer) {
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this.messageQueueServer = messageQueueServer; |
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} |
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public String getUsername() {
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return username; |
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} |
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@Required |
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public void setUsername(String username) {
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this.username = username; |
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} |
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public String getPassword() {
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return password; |
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} |
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@Required |
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public void setPassword(String password) {
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this.password = password; |
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} |
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protected Map<String, List<Message>> getReports() {
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return reports; |
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} |
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} |
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