blob: e0c13ae03ae11acb43826ab769f529da3b0ca8ab [file] [log] [blame]
// Copyright (C) 2014 The Android Open Source Project
//
// Licensed 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 com.google.gerrit.lucene;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.IndexableField;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.Query;
import org.apache.lucene.store.Directory;
import java.io.IOException;
/** Writer that optionally flushes/commits after every write. */
class AutoCommitWriter extends IndexWriter {
private boolean autoCommit;
AutoCommitWriter(Directory dir, IndexWriterConfig config, boolean autoCommit)
throws IOException {
super(dir, config);
this.autoCommit = autoCommit;
}
@Override
public void addDocument(Iterable<? extends IndexableField> doc)
throws IOException {
super.addDocument(doc);
autoFlush();
}
@Override
public void addDocument(Iterable<? extends IndexableField> doc,
Analyzer analyzer) throws IOException {
super.addDocument(doc, analyzer);
autoFlush();
}
@Override
public void addDocuments(
Iterable<? extends Iterable<? extends IndexableField>> docs)
throws IOException {
super.addDocuments(docs);
autoFlush();
}
@Override
public void addDocuments(
Iterable<? extends Iterable<? extends IndexableField>> docs,
Analyzer analyzer) throws IOException {
super.addDocuments(docs, analyzer);
autoFlush();
}
@Override
public void updateDocuments(Term delTerm,
Iterable<? extends Iterable<? extends IndexableField>> docs)
throws IOException {
super.updateDocuments(delTerm, docs);
autoFlush();
}
@Override
public void updateDocuments(Term delTerm,
Iterable<? extends Iterable<? extends IndexableField>> docs,
Analyzer analyzer) throws IOException {
super.updateDocuments(delTerm, docs, analyzer);
autoFlush();
}
@Override
public void deleteDocuments(Term... term) throws IOException {
super.deleteDocuments(term);
autoFlush();
}
@Override
public synchronized boolean tryDeleteDocument(IndexReader readerIn, int docID)
throws IOException {
boolean ret = super.tryDeleteDocument(readerIn, docID);
if (ret) {
autoFlush();
}
return ret;
}
@Override
public void deleteDocuments(Query... queries) throws IOException {
super.deleteDocuments(queries);
autoFlush();
}
@Override
public void updateDocument(Term term, Iterable<? extends IndexableField> doc)
throws IOException {
super.updateDocument(term, doc);
autoFlush();
}
@Override
public void updateDocument(Term term, Iterable<? extends IndexableField> doc,
Analyzer analyzer) throws IOException {
super.updateDocument(term, doc, analyzer);
autoFlush();
}
@Override
public void deleteAll() throws IOException {
super.deleteAll();
autoFlush();
}
void manualFlush() throws IOException {
flush(true, true);
if (autoCommit) {
commit();
}
}
private void autoFlush() throws IOException {
if (autoCommit) {
manualFlush();
}
}
}