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 org.apache.lucene.store.IndexOutput;
import org.apache.lucene.document.Fieldable;
final class StoredFieldsWriterPerThread {
final FieldsWriter localFieldsWriter;
final StoredFieldsWriter storedFieldsWriter;
final DocumentsWriter.DocState docState;
StoredFieldsWriter.PerDoc doc;
public StoredFieldsWriterPerThread(DocumentsWriter.DocState docState, StoredFieldsWriter storedFieldsWriter) throws IOException {
this.storedFieldsWriter = storedFieldsWriter;
this.docState = docState;
localFieldsWriter = new FieldsWriter((IndexOutput) null, (IndexOutput) null, storedFieldsWriter.fieldInfos);
}
public void startDocument() {
if (doc != null) {
// Only happens if previous document hit non-aborting
// exception while writing stored fields into
// localFieldsWriter:
doc.reset();
doc.docID = docState.docID;
}
}
public void addField(Fieldable field, FieldInfo fieldInfo) throws IOException {
if (doc == null) {
doc = storedFieldsWriter.getPerDoc();
doc.docID = docState.docID;
localFieldsWriter.setFieldsStream(doc.fdt);
assert doc.numStoredFields == 0: "doc.numStoredFields=" + doc.numStoredFields;
assert 0 == doc.fdt.length();
assert 0 == doc.fdt.getFilePointer();
}
localFieldsWriter.writeField(fieldInfo, field);
assert docState.testPoint("StoredFieldsWriterPerThread.processFields.writeField");
doc.numStoredFields++;
}
public DocumentsWriter.DocWriter finishDocument() {
// If there were any stored fields in this doc, doc will
// be non-null; else it's null.
try {
return doc;
} finally {
doc = null;
}
}
public void abort() {
if (doc != null) {
doc.abort();
doc = null;
}
}
}