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package eu.dnetlib.msro.openaireplus.workflows.nodes.dhp.message;
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import java.util.*;
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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 eu.dnetlib.dhp.message.Message;
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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 final Map<String, Message> ongoingMessages = Collections.synchronizedMap(new LinkedHashMap<>());
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private final Map<String, Message> reportMessages = Collections.synchronizedMap(new LinkedHashMap<>());
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private long maxNumberOfMessages;
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public synchronized void registerMessage(final Message message) throws MSROException {
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log.debug(String.format("Received %s message", message.getMessageType()));
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if (Objects.isNull(message.getMessageType())) {
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throw new MSROException("missing message type in: " + message.toString());
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}
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switch (message.getMessageType()) {
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case ONGOING:
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ongoingMessages.put(message.getWorkflowId(), message);
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if (ongoingMessages.size() > maxNumberOfMessages) {
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ongoingMessages.remove(ongoingMessages.keySet().iterator().next());
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}
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break;
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case REPORT:
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reportMessages.put(message.getWorkflowId(), message);
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if (reportMessages.size() > maxNumberOfMessages) {
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reportMessages.remove(reportMessages.keySet().iterator().next());
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}
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break;
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default:
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throw new MSROException("message type not managed: " + message.getMessageType());
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}
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}
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public Message findOngoingMessage(final String workflowId) {
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return ongoingMessages.get(workflowId);
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}
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public Message findReportMessage(final String workflowId) {
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return reportMessages.get(workflowId);
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}
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protected Map<String, Message> getOngoingMessages() {
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return ongoingMessages;
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}
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protected Map<String, Message> getReportMessages() {
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return reportMessages;
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}
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public long getMaxNumberOfMessages() {
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return maxNumberOfMessages;
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}
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@Required
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public void setMaxNumberOfMessages(final long maxNumberOfMessages) {
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this.maxNumberOfMessages = maxNumberOfMessages;
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}
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}
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