/*
* 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.List;
import org.dashbuilder.dataset.filter.ColumnFilter;
/**
* An index for filtered data sets.
*/
public class DataSetFilterIndex extends DataSetIndexNode {
private ColumnFilter columnFilter;
public DataSetFilterIndex(ColumnFilter columnFilter, List<Integer> rows) {
super(null, rows, 0);
this.columnFilter = columnFilter;
}
public ColumnFilter getColumnFilter() {
return columnFilter;
}
public String toString() {
StringBuilder out = new StringBuilder(super.toString());
if (columnFilter != null) out.append(columnFilter.toString());
return out.toString();
}
}