/*
* Copyright 2014 Red Hat, Inc. and/or its affiliates.
*
* 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.index;
import java.util.ArrayList;
import java.util.List;
/**
* A set of interval indexes
*/
public class DataSetIntervalSetIndex extends DataSetIntervalIndex {
List<DataSetIntervalIndex> intervalIndexList = new ArrayList<DataSetIntervalIndex>();
DataSetIntervalSetIndex(DataSetGroupIndex parent, String intervalName) {
super(parent, intervalName);
}
public List<DataSetIntervalIndex> getIntervalIndexes() {
return intervalIndexList;
}
public void addIntervalIndex(DataSetIntervalIndex index) {
intervalType = index.getIntervalType();
Comparable min = (Comparable) index.getMinValue();
Comparable max = (Comparable) index.getMaxValue();
if (minValue == null || ((Comparable) minValue).compareTo(min) > 0) minValue = min;
if (maxValue == null || ((Comparable) maxValue).compareTo(max) < 0) maxValue = max;
intervalIndexList.add(index);
}
public List<Integer> getRows() {
if (intervalIndexList == null || intervalIndexList.isEmpty()) {
return null;
}
AggregatedList<Integer> result = new AggregatedList<Integer>();
for (DataSetIntervalIndex intervalIndex : intervalIndexList) {
result.addSubList(intervalIndex.getRows());
}
return result;
}
}