google.registry.model.common.PersistedRangeLong.java Source code

Introduction

Here is the source code for google.registry.model.common.PersistedRangeLong.java

Source

// Copyright 2016 The Nomulus Authors. All Rights Reserved.
//
// 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 google.registry.model.common;

import com.google.common.collect.BoundType;
import com.google.common.collect.Range;
import com.googlecode.objectify.annotation.Embed;
import google.registry.model.ImmutableObject;

/** An object that's equivalent to a {@code Range<Long>} that can be persisted to datastore. */
@Embed
public class PersistedRangeLong extends ImmutableObject {

    private Long lowerBound = null;
    private BoundType lowerBoundType = null;

    private Long upperBound = null;
    private BoundType upperBoundType = null;

    public Range<Long> asRange() {
        Range<Long> range = Range.all();
        if (lowerBound != null) {
            range = range.intersection(Range.downTo(lowerBound, lowerBoundType));
        }
        if (upperBound != null) {
            range = range.intersection(Range.upTo(upperBound, upperBoundType));
        }
        return range;
    }

    public static PersistedRangeLong create(Range<Long> range) {
        PersistedRangeLong instance = new PersistedRangeLong();
        if (range.hasLowerBound()) {
            instance.lowerBound = range.lowerEndpoint();
            instance.lowerBoundType = range.lowerBoundType();
        }
        if (range.hasUpperBound()) {
            instance.upperBound = range.upperEndpoint();
            instance.upperBoundType = range.upperBoundType();
        }
        return instance;
    }
}