com.yahoo.sql4d.query.nodes.Interval.java Source code

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Here is the source code for com.yahoo.sql4d.query.nodes.Interval.java

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/**
 * Copyright 2014 Yahoo! Inc. 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. 
 * See accompanying LICENSE file.
 */
package com.yahoo.sql4d.query.nodes;

import com.yahoo.sql4d.TimeUtils;
import org.joda.time.DateTime;
import org.joda.time.Days;

/**
 * Interval (start,end) times as text. Can construct new intervals out of existing.
 * Supports parsing time text in most of ISO formats.
 * @author srikalyan
 */
public class Interval {
    public String startTime;
    public String endTime;
    public int days;// Includes partial days as well.

    public Interval(String startTime, String endTime) {
        this.startTime = startTime.replaceAll("'", "");
        this.endTime = endTime.replaceAll("'", "");
        days = Days.daysBetween(getStartTime().withTimeAtStartOfDay(), getEndTime().withTimeAtStartOfDay())
                .getDays() + 1;
    }

    public DateTime getStartTime() {
        return TimeUtils.getDateTime(startTime);
    }

    public DateTime getEndTime() {
        return TimeUtils.getDateTime(endTime);
    }

    public int getDays() {
        return days;
    }

    public Interval getInterval(int daysOffset, int startHourOffset, int endHourOffset) {
        DateTime baseDateTime = getStartTime().withTime(0, 0, 0, 0).plusDays(daysOffset);
        return new Interval(baseDateTime.plusHours(startHourOffset).toString(),
                baseDateTime.plusHours(endHourOffset).minusSeconds(1).toString());
    }

    @Override
    public String toString() {
        return String.format("%s/%s", startTime, endTime);
    }
}