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 org.apache.lucene.util.BytesRef;
final class TermVectorsTermsWriterPerThread extends TermsHashConsumerPerThread {
final TermVectorsTermsWriter termsWriter;
final TermsHashPerThread termsHashPerThread;
final DocumentsWriter.DocState docState;
final BytesRef flushTerm = new BytesRef();
TermVectorsTermsWriter.PerDoc doc;
public TermVectorsTermsWriterPerThread(TermsHashPerThread termsHashPerThread, TermVectorsTermsWriter termsWriter) {
this.termsWriter = termsWriter;
this.termsHashPerThread = termsHashPerThread;
docState = termsHashPerThread.docState;
}
// Used by perField when serializing the term vectors
final ByteSliceReader vectorSliceReader = new ByteSliceReader();
@Override
public void startDocument() {
assert clearLastVectorFieldName();
if (doc != null) {
doc.reset();
doc.docID = docState.docID;
}
}
@Override
public DocumentsWriter.DocWriter finishDocument() {
try {
return doc;
} finally {
doc = null;
}
}
@Override
public TermsHashConsumerPerField addField(TermsHashPerField termsHashPerField, FieldInfo fieldInfo) {
return new TermVectorsTermsWriterPerField(termsHashPerField, this, fieldInfo);
}
@Override
public void abort() {
if (doc != null) {
doc.abort();
doc = null;
}
}
// Called only by assert
final boolean clearLastVectorFieldName() {
lastVectorFieldName = null;
return true;
}
// Called only by assert
String lastVectorFieldName;
final boolean vectorFieldsInOrder(FieldInfo fi) {
try {
if (lastVectorFieldName != null)
return lastVectorFieldName.compareTo(fi.name) < 0;
else
return true;
} finally {
lastVectorFieldName = fi.name;
}
}
}