/**
* Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
*
* 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 com.linkedin.pinot.core.segment.index.column;
import com.linkedin.pinot.core.segment.index.readers.BitmapInvertedIndexReader;
import com.linkedin.pinot.core.io.reader.DataFileReader;
import com.linkedin.pinot.core.io.reader.SingleColumnSingleValueReader;
import com.linkedin.pinot.core.segment.index.ColumnMetadata;
import com.linkedin.pinot.core.segment.index.readers.InvertedIndexReader;
import com.linkedin.pinot.core.segment.index.readers.ImmutableDictionaryReader;
public class UnsortedSVColumnIndexContainer extends ColumnIndexContainer {
private final String column;
private final ColumnMetadata columnMetadata;
private final SingleColumnSingleValueReader indexReader;
private final ImmutableDictionaryReader dictionary;
private final BitmapInvertedIndexReader invertedIndexReader;
public UnsortedSVColumnIndexContainer(String column, ColumnMetadata columnMetadata,
SingleColumnSingleValueReader indexReader, ImmutableDictionaryReader dictionary) {
this(column, columnMetadata, indexReader, dictionary, null);
}
public UnsortedSVColumnIndexContainer(String column, ColumnMetadata columnMetadata,
SingleColumnSingleValueReader indexReader, ImmutableDictionaryReader dictionary,
BitmapInvertedIndexReader invertedIndex) {
this.column = column;
this.columnMetadata = columnMetadata;
this.indexReader = indexReader;
this.dictionary = dictionary;
this.invertedIndexReader = invertedIndex;
}
@Override
public InvertedIndexReader getInvertedIndex() {
return invertedIndexReader;
}
@Override
public DataFileReader getForwardIndex() {
return indexReader;
}
@Override
public ImmutableDictionaryReader getDictionary() {
return dictionary;
}
@Override
public boolean hasDictionary() {
return columnMetadata.hasDictionary();
}
@Override
public ColumnMetadata getColumnMetadata() {
return columnMetadata;
}
@Override
public boolean unload() throws Exception {
indexReader.close();
dictionary.close();
if (invertedIndexReader != null) {
invertedIndexReader.close();
}
return true;
}
}