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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.vespa.http.server;
import com.yahoo.document.DocumentPut;
import com.yahoo.document.DocumentRemove;
import com.yahoo.document.DocumentUpdate;
import com.yahoo.documentapi.messagebus.protocol.PutDocumentMessage;
import com.yahoo.documentapi.messagebus.protocol.RemoveDocumentMessage;
import com.yahoo.documentapi.messagebus.protocol.UpdateDocumentMessage;
import com.yahoo.jdisc.Metric;
import com.yahoo.messagebus.Message;
import com.yahoo.messagebus.routing.ErrorDirective;
import com.yahoo.messagebus.routing.Hop;
import com.yahoo.messagebus.routing.Route;
import com.yahoo.vespaxmlparser.VespaXMLFeedReader;
import com.yahoo.yolean.Exceptions;
/**
* Keeps an operation with its message.
*
* This implementation is based on V2, but the code is restructured.
*
* @author dybis
*/
class DocumentOperationMessageV3 {
private final String operationId;
private final Message message;
private DocumentOperationMessageV3(String operationId, Message message) {
this.operationId = operationId;
this.message = message;
}
Message getMessage() {
return message;
}
String getOperationId() {
return operationId;
}
static DocumentOperationMessageV3 newErrorMessage(String operationId, Exception exception) {
Message feedErrorMessageV3 = new FeedErrorMessage(operationId);
DocumentOperationMessageV3 msg = new DocumentOperationMessageV3(operationId, feedErrorMessageV3);
Hop hop = new Hop();
hop.addDirective(new ErrorDirective(Exceptions.toMessageString(exception)));
Route route = new Route();
route.addHop(hop);
feedErrorMessageV3.setRoute(route);
return msg;
}
static DocumentOperationMessageV3 newUpdateMessage(VespaXMLFeedReader.Operation op, String operationId) {
DocumentUpdate update = op.getDocumentUpdate();
update.setCondition(op.getCondition());
Message msg = new UpdateDocumentMessage(update);
String id = (operationId == null) ? update.getId().toString() : operationId;
return new DocumentOperationMessageV3(id, msg);
}
static DocumentOperationMessageV3 newRemoveMessage(VespaXMLFeedReader.Operation op, String operationId) {
DocumentRemove remove = new DocumentRemove(op.getRemove());
remove.setCondition(op.getCondition());
Message msg = new RemoveDocumentMessage(remove);
String id = (operationId == null) ? remove.getId().toString() : operationId;
return new DocumentOperationMessageV3(id, msg);
}
static DocumentOperationMessageV3 newPutMessage(VespaXMLFeedReader.Operation op, String operationId) {
DocumentPut put = new DocumentPut(op.getDocument());
put.setCondition(op.getCondition());
Message msg = new PutDocumentMessage(put);
String id = (operationId == null) ? put.getId().toString() : operationId;
return new DocumentOperationMessageV3(id, msg);
}
static DocumentOperationMessageV3 create(VespaXMLFeedReader.Operation operation, String operationId, Metric metric) {
switch (operation.getType()) {
case DOCUMENT:
metric.add(MetricNames.NUM_PUTS, 1, null /*metricContext*/);
return newPutMessage(operation, operationId);
case REMOVE:
metric.add(MetricNames.NUM_REMOVES, 1, null /*metricContext*/);
return newRemoveMessage(operation, operationId);
case UPDATE:
metric.add(MetricNames.NUM_UPDATES, 1, null /*metricContext*/);
return newUpdateMessage(operation, operationId);
default:
// typical end of feed
return null;
}
}
}
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