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/*
* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/
package org.opensearch.action.ingest;
import org.opensearch.action.ActionListener;
import org.opensearch.action.ActionRunnable;
import org.opensearch.ingest.CompoundProcessor;
import org.opensearch.ingest.IngestDocument;
import org.opensearch.ingest.Pipeline;
import org.opensearch.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.opensearch.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(),
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++;
}
}));
}
}