Package org.dashbuilder.dataset.engine.group

Source Code of org.dashbuilder.dataset.engine.group.IntervalListQuarter

/**
* Copyright (C) 2014 JBoss 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.
*/
package org.dashbuilder.dataset.engine.group;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import org.dashbuilder.dataset.date.Month;
import org.dashbuilder.dataset.date.Quarter;
import org.dashbuilder.dataset.group.ColumnGroup;

/**
* List of the 4-quarter intervals present in a year.
*/
public class IntervalListQuarter extends IntervalList {

    protected Map<Integer,Interval> intervalMap;

    public IntervalListQuarter(ColumnGroup columnGroup) {
        super(columnGroup);
        intervalMap = new HashMap<Integer, Interval>();

        Month firstMonth = columnGroup.getFirstMonthOfYear();
        int monthIndex = firstMonth.getIndex();

        for (int i = 0; i < 4; i++) {
            Quarter quarter = Quarter.getByIndex(i);
            Interval interval = new Interval(quarter.toString());
            this.add(interval);

            for (int j = 0; j < 3; j++) {
                intervalMap.put(monthIndex, interval);
                monthIndex = Month.nextIndex(monthIndex);
            }
        }
    }

    public Interval locateInterval(Object value) {
        Date d = (Date) value;
        return intervalMap.get(d.getMonth());
    }
}
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