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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.documentapi.messagebus;
import com.yahoo.document.DocumentRemove;
import com.yahoo.documentapi.DocumentAccess;
import com.yahoo.documentapi.DocumentAccessParams;
import com.yahoo.documentapi.ProgressToken;
import com.yahoo.documentapi.SyncParameters;
import com.yahoo.documentapi.SyncSession;
import com.yahoo.documentapi.local.LocalDocumentAccess;
import com.yahoo.documentapi.messagebus.protocol.CreateVisitorReply;
import com.yahoo.documentapi.messagebus.protocol.DocumentMessage;
import com.yahoo.documentapi.messagebus.protocol.DocumentProtocol;
import com.yahoo.documentapi.messagebus.protocol.GetDocumentMessage;
import com.yahoo.documentapi.messagebus.protocol.GetDocumentReply;
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.DestinationSession;
import com.yahoo.messagebus.EmptyReply;
import com.yahoo.messagebus.Error;
import com.yahoo.messagebus.ErrorCode;
import com.yahoo.messagebus.Message;
import com.yahoo.messagebus.MessageHandler;
import com.yahoo.messagebus.RPCMessageBus;
import com.yahoo.messagebus.Reply;
import com.yahoo.messagebus.network.Identity;
import com.yahoo.messagebus.network.rpc.RPCNetworkParams;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* Mock-up destination used for testing.
*
* @author Einar M R Rosenvinge
*/
public class Destination implements MessageHandler {
final AtomicBoolean discard = new AtomicBoolean();
private final DestinationSession session;
private final DocumentAccess access;
private final SyncSession local;
private final RPCMessageBus bus;
public Destination(String slobrokConfigId, String documentManagerConfigId) {
DocumentAccessParams params = new DocumentAccessParams();
params.setDocumentManagerConfigId(documentManagerConfigId);
access = new LocalDocumentAccess(params);
local = access.createSyncSession(new SyncParameters.Builder().build());
bus = new RPCMessageBus(List.of(new DocumentProtocol(access.getDocumentTypeManager())),
new RPCNetworkParams().setNumNetworkThreads(1)
.setIdentity(new Identity("test/destination"))
.setSlobrokConfigId(slobrokConfigId),
"file:src/test/cfg/messagebus.cfg");
session = bus.getMessageBus().createDestinationSession("session", true, this);
}
public void handleMessage(Message msg) {
if (discard.get()) {
msg.discard();
return;
}
Reply reply = ((DocumentMessage)msg).createReply();
try {
switch (msg.getType()) {
case DocumentProtocol.MESSAGE_GETDOCUMENT:
reply = new GetDocumentReply(local.get(((GetDocumentMessage)msg).getDocumentId()));
break;
case DocumentProtocol.MESSAGE_PUTDOCUMENT:
local.put(((PutDocumentMessage)msg).getDocumentPut());
break;
case DocumentProtocol.MESSAGE_REMOVEDOCUMENT:
local.remove(new DocumentRemove(((RemoveDocumentMessage)msg).getDocumentId()));
break;
case DocumentProtocol.MESSAGE_UPDATEDOCUMENT:
local.update(((UpdateDocumentMessage)msg).getDocumentUpdate());
break;
case DocumentProtocol.MESSAGE_CREATEVISITOR:
((CreateVisitorReply) reply).setLastBucket(ProgressToken.FINISHED_BUCKET);
break;
default:
throw new UnsupportedOperationException("Unsupported message type '" + msg.getType() + "'.");
}
} catch (Exception e) {
reply = new EmptyReply();
reply.addError(new Error(ErrorCode.APP_FATAL_ERROR, e.toString()));
}
msg.swapState(reply);
session.reply(reply);
}
public void shutdown() {
local.destroy();
access.shutdown();
session.destroy();
bus.getMessageBus().destroy();
}
}
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