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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.hadoop.serialization.bulk;
import java.util.Collection;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.elasticsearch.hadoop.cfg.ConfigurationOptions;
import org.elasticsearch.hadoop.cfg.Settings;
import org.elasticsearch.hadoop.serialization.field.JsonFieldExtractors;
import org.elasticsearch.hadoop.util.Assert;
import org.elasticsearch.hadoop.util.BytesArray;
class JsonScriptTemplateBulk extends JsonTemplatedBulk {
private static final Log log = LogFactory.getLog(JsonTemplatedBulk.class);
private final BytesArray scratchPad = new BytesArray(1024);
public JsonScriptTemplateBulk(Collection<Object> beforeObject, Collection<Object> afterObject,
JsonFieldExtractors jsonExtractors, Settings settings) {
super(beforeObject, afterObject, jsonExtractors, settings);
}
@Override
protected Object preProcess(Object object, BytesArray storage) {
// serialize the json early on and copy it to storage
Assert.notNull(object, "Empty/null JSON document given...");
BytesArray ba = null;
if (ConfigurationOptions.ES_OPERATION_UPSERT.equals(settings.getOperation())) {
ba = storage;
}
else {
scratchPad.reset();
ba = scratchPad;
}
// write the doc to a temporary space
jsonWriter.convert(object, ba);
if (log.isTraceEnabled()) {
log.trace(String.format("About to extract information from [%s]", ba));
}
jsonExtractors.process(ba);
return storage;
}
}