/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.solr.uima.processor;
import org.apache.lucene.analysis.uima.ae.AEProvider;
import org.apache.lucene.analysis.uima.ae.AEProviderFactory;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.response.SolrQueryResponse;
import org.apache.solr.update.processor.UpdateRequestProcessor;
import org.apache.solr.update.processor.UpdateRequestProcessorFactory;
import org.apache.uima.analysis_engine.AnalysisEngine;
import org.apache.uima.resource.ResourceInitializationException;
import org.apache.uima.util.JCasPool;
/**
* Factory for {@link UIMAUpdateRequestProcessor}
*
*
*/
public class UIMAUpdateRequestProcessorFactory extends
UpdateRequestProcessorFactory {
private NamedList<Object> args;
private AnalysisEngine ae;
private JCasPool pool;
@SuppressWarnings("unchecked")
@Override
public void init(@SuppressWarnings("rawtypes") NamedList args) {
this.args = (NamedList<Object>) args.get("uimaConfig");
}
@Override
public UpdateRequestProcessor getInstance(SolrQueryRequest req,
SolrQueryResponse rsp, UpdateRequestProcessor next) {
SolrUIMAConfiguration configuration = new SolrUIMAConfigurationReader(args)
.readSolrUIMAConfiguration();
synchronized (this) {
if (ae == null && pool == null) {
AEProvider aeProvider = AEProviderFactory.getInstance().getAEProvider(
req.getCore().getName(), configuration.getAePath(),
configuration.getRuntimeParameters());
try {
ae = aeProvider.getAE();
pool = new JCasPool(10, ae);
} catch (ResourceInitializationException e) {
throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
}
}
}
return new UIMAUpdateRequestProcessor(next, req.getCore().getName(),
configuration, ae, pool);
}
}