/*
* Druid - a distributed column store.
* Copyright (C) 2012, 2013 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package io.druid.query.spec;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.google.common.base.Function;
import com.google.common.collect.Lists;
import com.metamx.common.IAE;
import org.joda.time.Interval;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
/**
*/
public class LegacySegmentSpec extends MultipleIntervalSegmentSpec
{
private static List<Interval> convertValue(Object intervals)
{
final List<?> intervalStringList;
if (intervals instanceof String) {
intervalStringList = Arrays.asList((((String) intervals).split(",")));
} else if (intervals instanceof Interval) {
intervalStringList = Arrays.asList(intervals.toString());
} else if (intervals instanceof Map) {
intervalStringList = (List) ((Map) intervals).get("intervals");
} else if (intervals instanceof List) {
intervalStringList = (List) intervals;
} else {
throw new IAE("Unknown type[%s] for intervals[%s]", intervals.getClass(), intervals);
}
return Lists.transform(
intervalStringList,
new Function<Object, Interval>()
{
@Override
public Interval apply(Object input)
{
return new Interval(input);
}
}
);
}
@JsonCreator
public LegacySegmentSpec(
Object intervals
)
{
super(convertValue(intervals));
}
}