com.google.gerrit.server.query.change.FuzzyTopicPredicate Maven / Gradle / Ivy
// Copyright (C) 2010 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.server.query.change;
import static com.google.gerrit.server.index.change.ChangeField.FUZZY_TOPIC;
import com.google.common.collect.Iterables;
import com.google.gerrit.index.query.Predicate;
import com.google.gerrit.index.query.QueryParseException;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.server.index.change.ChangeIndex;
import com.google.gerrit.server.index.change.IndexedChangeQuery;
import com.google.gwtorm.server.OrmException;
public class FuzzyTopicPredicate extends ChangeIndexPredicate {
protected final ChangeIndex index;
public FuzzyTopicPredicate(String topic, ChangeIndex index) {
super(FUZZY_TOPIC, topic);
this.index = index;
}
@Override
public boolean match(ChangeData cd) throws OrmException {
Change change = cd.change();
if (change == null) {
return false;
}
String t = change.getTopic();
if (t == null) {
return false;
}
try {
Predicate thisId = new LegacyChangeIdPredicate(cd.getId());
Iterable results =
index.getSource(and(thisId, this), IndexedChangeQuery.oneResult()).read();
return !Iterables.isEmpty(results);
} catch (QueryParseException e) {
throw new OrmException(e);
}
}
@Override
public int getCost() {
return 1;
}
}