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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.action.ingest;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ActionRunnable;
import org.elasticsearch.ingest.CompoundProcessor;
import org.elasticsearch.ingest.IngestDocument;
import org.elasticsearch.ingest.Pipeline;
import org.elasticsearch.threadpool.ThreadPool;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.BiConsumer;
import static org.elasticsearch.ingest.TrackingResultProcessor.decorate;
class SimulateExecutionService {
private static final String THREAD_POOL_NAME = ThreadPool.Names.MANAGEMENT;
private final ThreadPool threadPool;
SimulateExecutionService(ThreadPool threadPool) {
this.threadPool = threadPool;
}
void executeDocument(
Pipeline pipeline,
IngestDocument ingestDocument,
boolean verbose,
BiConsumer handler
) {
if (verbose) {
List processorResultList = new CopyOnWriteArrayList<>();
CompoundProcessor verbosePipelineProcessor = decorate(pipeline.getCompoundProcessor(), null, processorResultList);
Pipeline verbosePipeline = new Pipeline(
pipeline.getId(),
pipeline.getDescription(),
pipeline.getVersion(),
pipeline.getMetadata(),
verbosePipelineProcessor
);
ingestDocument.executePipeline(
verbosePipeline,
(result, e) -> { handler.accept(new SimulateDocumentVerboseResult(processorResultList), e); }
);
} else {
ingestDocument.executePipeline(pipeline, (result, e) -> {
if (e == null) {
handler.accept(new SimulateDocumentBaseResult(result), null);
} else {
handler.accept(new SimulateDocumentBaseResult(e), null);
}
});
}
}
public void execute(SimulatePipelineRequest.Parsed request, ActionListener listener) {
threadPool.executor(THREAD_POOL_NAME).execute(ActionRunnable.wrap(listener, l -> {
final AtomicInteger counter = new AtomicInteger();
final List responses = new CopyOnWriteArrayList<>(
new SimulateDocumentBaseResult[request.getDocuments().size()]
);
if (request.getDocuments().isEmpty()) {
l.onResponse(new SimulatePipelineResponse(request.getPipeline().getId(), request.isVerbose(), responses));
return;
}
int iter = 0;
for (IngestDocument ingestDocument : request.getDocuments()) {
final int index = iter;
executeDocument(request.getPipeline(), ingestDocument, request.isVerbose(), (response, e) -> {
if (response != null) {
responses.set(index, response);
}
if (counter.incrementAndGet() == request.getDocuments().size()) {
listener.onResponse(new SimulatePipelineResponse(request.getPipeline().getId(), request.isVerbose(), responses));
}
});
iter++;
}
}));
}
}