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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.feedapi;
import com.yahoo.component.provider.ComponentRegistry;
import com.yahoo.docproc.CallStack;
import com.yahoo.docproc.DocprocService;
import com.yahoo.docproc.DocumentProcessor;
import com.yahoo.docproc.Processing;
import com.yahoo.document.*;
import com.yahoo.documentapi.messagebus.protocol.BatchDocumentUpdateMessage;
import com.yahoo.documentapi.messagebus.protocol.DocumentProtocol;
import com.yahoo.documentapi.messagebus.protocol.PutDocumentMessage;
import com.yahoo.documentapi.messagebus.protocol.RemoveDocumentMessage;
import com.yahoo.documentapi.messagebus.protocol.UpdateDocumentMessage;
import com.yahoo.messagebus.Message;
import com.yahoo.messagebus.routing.Route;
import com.yahoo.vdslib.Entry;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
public class DocprocMessageProcessor implements MessageProcessor {
private final DocprocService docproc;
private final ComponentRegistry<DocprocService> docprocServiceRegistry;
public DocprocMessageProcessor(DocprocService docproc, ComponentRegistry<DocprocService> docprocServiceRegistry) {
this.docproc = docproc;
this.docprocServiceRegistry = docprocServiceRegistry;
}
@Override
public void process(Message m) {
try {
List<DocumentOperation> documentBases = new ArrayList<DocumentOperation>();
if (m.getType() == DocumentProtocol.MESSAGE_PUTDOCUMENT) {
documentBases.add(((PutDocumentMessage) m).getDocumentPut());
} else if (m.getType() == DocumentProtocol.MESSAGE_UPDATEDOCUMENT) {
documentBases.add(((UpdateDocumentMessage) m).getDocumentUpdate());
} else if (m.getType() == DocumentProtocol.MESSAGE_REMOVEDOCUMENT) {
documentBases.add(((RemoveDocumentMessage) m).getDocumentRemove());
} else if (m.getType() == DocumentProtocol.MESSAGE_BATCHDOCUMENTUPDATE) {
for (DocumentUpdate update : ((BatchDocumentUpdateMessage) m).getUpdates()) {
documentBases.add(update);
}
}
if (docproc != null) {
processDocumentOperations(documentBases, m);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void processDocumentOperations(List<DocumentOperation> documentOperations, Message m) throws Exception {
Processing processing = Processing.createProcessingFromDocumentOperations(docproc.getName(), documentOperations, new CallStack(docproc.getCallStack()));
processing.setServiceName(docproc.getName());
processing.setDocprocServiceRegistry(docprocServiceRegistry);
processing.setVariable("route", m.getRoute());
processing.setVariable("timeout", m.getTimeRemaining());
DocumentProcessor.Progress progress = docproc.getExecutor().process(processing);
while (DocumentProcessor.Progress.LATER.equals(progress)) {
Thread.sleep(50);
progress = docproc.getExecutor().process(processing);
}
if (progress == DocumentProcessor.Progress.FAILED
|| progress == DocumentProcessor.Progress.PERMANENT_FAILURE) {
throw new RuntimeException("Processing of " + documentOperations + " failed: " + progress + ".");
}
m.setRoute((Route) processing.getVariable("route"));
m.setTimeRemaining((Long) processing.getVariable("timeout"));
}
}
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