102 lines
3.7 KiB
Java
102 lines
3.7 KiB
Java
// Copyright (C) 2016 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.lucene;
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import static com.google.common.collect.Iterables.getOnlyElement;
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import static com.google.gerrit.lucene.LuceneChangeIndex.ID_SORT_FIELD;
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import static com.google.gerrit.lucene.LuceneChangeIndex.UPDATED_SORT_FIELD;
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import static com.google.gerrit.server.index.change.ChangeSchemaDefinitions.NAME;
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import com.google.gerrit.index.FieldDef;
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import com.google.gerrit.index.QueryOptions;
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import com.google.gerrit.index.Schema;
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import com.google.gerrit.index.Schema.Values;
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import com.google.gerrit.index.query.DataSource;
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import com.google.gerrit.index.query.Predicate;
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import com.google.gerrit.index.query.QueryParseException;
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import com.google.gerrit.reviewdb.client.Change;
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import com.google.gerrit.server.config.SitePaths;
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import com.google.gerrit.server.index.change.ChangeField;
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import com.google.gerrit.server.index.change.ChangeIndex;
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import com.google.gerrit.server.query.change.ChangeData;
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import java.io.IOException;
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import java.nio.file.Path;
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import java.sql.Timestamp;
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import org.apache.lucene.document.Document;
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import org.apache.lucene.document.NumericDocValuesField;
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import org.apache.lucene.search.SearcherFactory;
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import org.apache.lucene.store.Directory;
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import org.apache.lucene.store.FSDirectory;
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public class ChangeSubIndex extends AbstractLuceneIndex<Change.Id, ChangeData>
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implements ChangeIndex {
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ChangeSubIndex(
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Schema<ChangeData> schema,
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SitePaths sitePaths,
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Path path,
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GerritIndexWriterConfig writerConfig,
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SearcherFactory searcherFactory)
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throws IOException {
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this(
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schema,
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sitePaths,
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FSDirectory.open(path),
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path.getFileName().toString(),
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writerConfig,
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searcherFactory);
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}
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ChangeSubIndex(
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Schema<ChangeData> schema,
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SitePaths sitePaths,
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Directory dir,
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String subIndex,
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GerritIndexWriterConfig writerConfig,
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SearcherFactory searcherFactory)
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throws IOException {
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super(schema, sitePaths, dir, NAME, subIndex, writerConfig, searcherFactory);
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}
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@Override
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public void replace(ChangeData obj) throws IOException {
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throw new UnsupportedOperationException("don't use ChangeSubIndex directly");
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}
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@Override
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public void delete(Change.Id key) throws IOException {
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throw new UnsupportedOperationException("don't use ChangeSubIndex directly");
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}
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@Override
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public DataSource<ChangeData> getSource(Predicate<ChangeData> p, QueryOptions opts)
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throws QueryParseException {
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throw new UnsupportedOperationException("don't use ChangeSubIndex directly");
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}
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@Override
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void add(Document doc, Values<ChangeData> values) {
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// Add separate DocValues fields for those fields needed for sorting.
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FieldDef<ChangeData, ?> f = values.getField();
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if (f == ChangeField.LEGACY_ID) {
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int v = (Integer) getOnlyElement(values.getValues());
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doc.add(new NumericDocValuesField(ID_SORT_FIELD, v));
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} else if (f == ChangeField.UPDATED) {
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long t = ((Timestamp) getOnlyElement(values.getValues())).getTime();
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doc.add(new NumericDocValuesField(UPDATED_SORT_FIELD, t));
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}
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super.add(doc, values);
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}
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}
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