com.google.gerrit.server.query.change.QueryOptions.java Source code

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Here is the source code for com.google.gerrit.server.query.change.QueryOptions.java

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// Copyright (C) 2015 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.common.base.Preconditions.checkArgument;

import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableSet;
import com.google.gerrit.server.index.IndexConfig;

import java.util.Set;

@AutoValue
public abstract class QueryOptions {
    public static QueryOptions create(IndexConfig config, int start, int limit, Set<String> fields) {
        checkArgument(start >= 0, "start must be nonnegative: %s", start);
        checkArgument(limit > 0, "limit must be positive: %s", limit);
        return new AutoValue_QueryOptions(config, start, limit, ImmutableSet.copyOf(fields));
    }

    public static QueryOptions oneResult() {
        return create(IndexConfig.createDefault(), 0, 1, ImmutableSet.<String>of());
    }

    public abstract IndexConfig config();

    public abstract int start();

    public abstract int limit();

    public abstract ImmutableSet<String> fields();

    public QueryOptions withLimit(int newLimit) {
        return create(config(), start(), newLimit, fields());
    }

    public QueryOptions withStart(int newStart) {
        return create(config(), newStart, limit(), fields());
    }
}