org.apache.calcite.adapter.druid.LocalInterval.java Source code

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Here is the source code for org.apache.calcite.adapter.druid.LocalInterval.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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 org.apache.calcite.adapter.druid;

import org.joda.time.DateTime;
import org.joda.time.Instant;
import org.joda.time.Interval;
import org.joda.time.LocalDateTime;
import org.joda.time.chrono.ISOChronology;

/**
 * Similar to {@link Interval} but the end points are {@link LocalDateTime}
 * not {@link Instant}.
 */
public class LocalInterval {
    private final long start;
    private final long end;

    /** Creates a LocalInterval. */
    private LocalInterval(long start, long end) {
        this.start = start;
        this.end = end;
    }

    /** Creates a LocalInterval based on two {@link DateTime} values. */
    public static LocalInterval create(DateTime start, DateTime end) {
        return new LocalInterval(start.getMillis(), end.getMillis());
    }

    /** Creates a LocalInterval based on millisecond start end end points. */
    public static LocalInterval create(long start, long end) {
        return new LocalInterval(start, end);
    }

    /** Creates a LocalInterval based on an interval string. */
    public static LocalInterval create(String intervalString) {
        Interval i = new Interval(intervalString, ISOChronology.getInstanceUTC());
        return new LocalInterval(i.getStartMillis(), i.getEndMillis());
    }

    /** Creates a LocalInterval based on start and end time strings. */
    public static LocalInterval create(String start, String end) {
        return create(new DateTime(start, ISOChronology.getInstanceUTC()),
                new DateTime(end, ISOChronology.getInstanceUTC()));
    }

    /** Writes a value such as "1900-01-01T00:00:00.000/2015-10-12T00:00:00.000".
     * Note that there are no "Z"s; the value is in the (unspecified) local
     * time zone, not UTC. */
    @Override
    public String toString() {
        final LocalDateTime start = new LocalDateTime(this.start, ISOChronology.getInstanceUTC());
        final LocalDateTime end = new LocalDateTime(this.end, ISOChronology.getInstanceUTC());
        return start + "/" + end;
    }

    @Override
    public int hashCode() {
        int result = 97;
        result = 31 * result + ((int) (start ^ (start >>> 32)));
        result = 31 * result + ((int) (end ^ (end >>> 32)));
        return result;
    }

    @Override
    public boolean equals(Object o) {
        return o == this || o instanceof LocalInterval && start == ((LocalInterval) o).start
                && end == ((LocalInterval) o).end;
    }

    /** Analogous to {@link Interval#getStartMillis}. */
    public long getStartMillis() {
        return start;
    }

    /** Analogous to {@link Interval#getEndMillis()}. */
    public long getEndMillis() {
        return end;
    }
}

// End LocalInterval.java