io.druid.java.util.common.Intervals.java Source code

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Here is the source code for io.druid.java.util.common.Intervals.java

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/*
 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Metamarkets licenses this file
 * to you 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 io.druid.java.util.common;

import com.google.common.collect.ImmutableList;
import org.joda.time.Interval;
import org.joda.time.chrono.ISOChronology;

public final class Intervals {
    public static final Interval ETERNITY = utc(JodaUtils.MIN_INSTANT, JodaUtils.MAX_INSTANT);
    public static final ImmutableList<Interval> ONLY_ETERNITY = ImmutableList.of(ETERNITY);

    public static Interval utc(long startInstant, long endInstant) {
        return new Interval(startInstant, endInstant, ISOChronology.getInstanceUTC());
    }

    public static Interval of(String interval) {
        return new Interval(interval, ISOChronology.getInstanceUTC());
    }

    public static boolean isEmpty(Interval interval) {
        return interval.getStart().equals(interval.getEnd());
    }

    private Intervals() {
    }
}