package org.apache.lucene.index;
/**
* 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.
*/
import java.io.IOException;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import org.apache.lucene.util.AttributeSource;
/** This is a DocFieldConsumer that inverts each field,
* separately, from a Document, and accepts a
* InvertedTermsConsumer to process those terms. */
final class DocInverter extends DocFieldConsumer {
final InvertedDocConsumer consumer;
final InvertedDocEndConsumer endConsumer;
public DocInverter(InvertedDocConsumer consumer, InvertedDocEndConsumer endConsumer) {
this.consumer = consumer;
this.endConsumer = endConsumer;
}
void setFieldInfos(FieldInfos fieldInfos) {
super.setFieldInfos(fieldInfos);
consumer.setFieldInfos(fieldInfos);
endConsumer.setFieldInfos(fieldInfos);
}
void flush(Map threadsAndFields, SegmentWriteState state) throws IOException {
Map childThreadsAndFields = new HashMap();
Map endChildThreadsAndFields = new HashMap();
Iterator it = threadsAndFields.entrySet().iterator();
while(it.hasNext()) {
Map.Entry entry = (Map.Entry) it.next();
DocInverterPerThread perThread = (DocInverterPerThread) entry.getKey();
Collection fields = (Collection) entry.getValue();
Iterator fieldsIt = fields.iterator();
Collection childFields = new HashSet();
Collection endChildFields = new HashSet();
while(fieldsIt.hasNext()) {
DocInverterPerField perField = (DocInverterPerField) fieldsIt.next();
childFields.add(perField.consumer);
endChildFields.add(perField.endConsumer);
}
childThreadsAndFields.put(perThread.consumer, childFields);
endChildThreadsAndFields.put(perThread.endConsumer, endChildFields);
}
consumer.flush(childThreadsAndFields, state);
endConsumer.flush(endChildThreadsAndFields, state);
}
public void closeDocStore(SegmentWriteState state) throws IOException {
consumer.closeDocStore(state);
endConsumer.closeDocStore(state);
}
void abort() {
consumer.abort();
endConsumer.abort();
}
public boolean freeRAM() {
return consumer.freeRAM();
}
public DocFieldConsumerPerThread addThread(DocFieldProcessorPerThread docFieldProcessorPerThread) {
return new DocInverterPerThread(docFieldProcessorPerThread, this);
}
}