/*
* 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.ingest.CompoundProcessor;
import org.elasticsearch.ingest.IngestDocument;
import org.elasticsearch.ingest.Processor;
import java.util.ArrayList;
import java.util.List;
/**
* Processor to be used within Simulate API to keep track of processors executed in pipeline.
*/
public final class TrackingResultProcessor implements Processor {
private final Processor actualProcessor;
private final List<SimulateProcessorResult> processorResultList;
private final boolean ignoreFailure;
public TrackingResultProcessor(boolean ignoreFailure, Processor actualProcessor, List<SimulateProcessorResult> processorResultList) {
this.ignoreFailure = ignoreFailure;
this.processorResultList = processorResultList;
this.actualProcessor = actualProcessor;
}
@Override
public void execute(IngestDocument ingestDocument) throws Exception {
try {
actualProcessor.execute(ingestDocument);
processorResultList.add(new SimulateProcessorResult(actualProcessor.getTag(), new IngestDocument(ingestDocument)));
} catch (Exception e) {
if (ignoreFailure) {
processorResultList.add(new SimulateProcessorResult(actualProcessor.getTag(), new IngestDocument(ingestDocument), e));
} else {
processorResultList.add(new SimulateProcessorResult(actualProcessor.getTag(), e));
}
throw e;
}
}
@Override
public String getType() {
return actualProcessor.getType();
}
@Override
public String getTag() {
return actualProcessor.getTag();
}
public static CompoundProcessor decorate(CompoundProcessor compoundProcessor, List<SimulateProcessorResult> processorResultList) {
List<Processor> processors = new ArrayList<>(compoundProcessor.getProcessors().size());
for (Processor processor : compoundProcessor.getProcessors()) {
if (processor instanceof CompoundProcessor) {
processors.add(decorate((CompoundProcessor) processor, processorResultList));
} else {
processors.add(new TrackingResultProcessor(compoundProcessor.isIgnoreFailure(), processor, processorResultList));
}
}
List<Processor> onFailureProcessors = new ArrayList<>(compoundProcessor.getProcessors().size());
for (Processor processor : compoundProcessor.getOnFailureProcessors()) {
if (processor instanceof CompoundProcessor) {
onFailureProcessors.add(decorate((CompoundProcessor) processor, processorResultList));
} else {
onFailureProcessors.add(new TrackingResultProcessor(compoundProcessor.isIgnoreFailure(), processor, processorResultList));
}
}
return new CompoundProcessor(compoundProcessor.isIgnoreFailure(), processors, onFailureProcessors);
}
}