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/*
* 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.
*/
package org.elasticsearch.action.ingest;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ActionRunnable;
import org.elasticsearch.ingest.core.IngestDocument;
import org.elasticsearch.ingest.core.Pipeline;
import org.elasticsearch.ingest.core.Processor;
import org.elasticsearch.ingest.core.CompoundProcessor;
import org.elasticsearch.threadpool.ThreadPool;
import java.util.ArrayList;
import java.util.List;
class SimulateExecutionService {
private static final String THREAD_POOL_NAME = ThreadPool.Names.MANAGEMENT;
private final ThreadPool threadPool;
SimulateExecutionService(ThreadPool threadPool) {
this.threadPool = threadPool;
}
void executeVerboseDocument(Processor processor, IngestDocument ingestDocument, List<SimulateProcessorResult> processorResultList) throws Exception {
if (processor instanceof CompoundProcessor) {
CompoundProcessor cp = (CompoundProcessor) processor;
try {
for (Processor p : cp.getProcessors()) {
executeVerboseDocument(p, ingestDocument, processorResultList);
}
} catch (Exception e) {
for (Processor p : cp.getOnFailureProcessors()) {
executeVerboseDocument(p, ingestDocument, processorResultList);
}
}
} else {
try {
processor.execute(ingestDocument);
processorResultList.add(new SimulateProcessorResult(processor.getTag(), new IngestDocument(ingestDocument)));
} catch (Exception e) {
processorResultList.add(new SimulateProcessorResult(processor.getTag(), e));
throw e;
}
}
}
SimulateDocumentResult executeDocument(Pipeline pipeline, IngestDocument ingestDocument, boolean verbose) {
if (verbose) {
List<SimulateProcessorResult> processorResultList = new ArrayList<>();
IngestDocument currentIngestDocument = new IngestDocument(ingestDocument);
CompoundProcessor pipelineProcessor = new CompoundProcessor(pipeline.getProcessors(), pipeline.getOnFailureProcessors());
try {
executeVerboseDocument(pipelineProcessor, currentIngestDocument, processorResultList);
} catch (Exception e) {
return new SimulateDocumentBaseResult(e);
}
return new SimulateDocumentVerboseResult(processorResultList);
} else {
try {
pipeline.execute(ingestDocument);
return new SimulateDocumentBaseResult(ingestDocument);
} catch (Exception e) {
return new SimulateDocumentBaseResult(e);
}
}
}
public void execute(SimulatePipelineRequest.Parsed request, ActionListener<SimulatePipelineResponse> listener) {
threadPool.executor(THREAD_POOL_NAME).execute(new ActionRunnable<SimulatePipelineResponse>(listener) {
@Override
protected void doRun() throws Exception {
List<SimulateDocumentResult> responses = new ArrayList<>();
for (IngestDocument ingestDocument : request.getDocuments()) {
responses.add(executeDocument(request.getPipeline(), ingestDocument, request.isVerbose()));
}
listener.onResponse(new SimulatePipelineResponse(request.getPipeline().getId(), request.isVerbose(), responses));
}
});
}
}
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