com.google.gerrit.index.query.QueryResult Maven / Gradle / Ivy
// 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.index.query;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.google.gerrit.common.Nullable;
import java.util.List;
/** Results of a query over entities. */
@AutoValue
public abstract class QueryResult {
public static QueryResult create(
@Nullable String query, Predicate predicate, int limit, List entities) {
boolean more;
if (entities.size() > limit) {
more = true;
entities = entities.subList(0, limit);
} else {
more = false;
}
return new AutoValue_QueryResult<>(query, predicate, ImmutableList.copyOf(entities), more);
}
/** Returns the original query string, or null if the query was created programmatically. */
@Nullable
public abstract String query();
/** Returns the predicate after all rewriting and other modification by the query subsystem. */
public abstract Predicate predicate();
/** Returns the query results. */
public abstract ImmutableList entities();
/**
* Returns whether the query could be retried with a higher start/limit to produce more results.
* Never true if {@link #entities()} is empty.
*/
public abstract boolean more();
}