core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPageValueConverter.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.carbondata.core.datastore.page;

import java.util.BitSet;

import org.apache.carbondata.core.metadata.datatype.DataType;
import org.apache.carbondata.core.scan.result.vector.ColumnVectorInfo;

// Transformation type that can be applied to ColumnPage
public interface ColumnPageValueConverter {

  void encode(int rowId, byte value);

  void encode(int rowId, short value);

  void encode(int rowId, int value);

  void encode(int rowId, long value);

  void encode(int rowId, float value);

  void encode(int rowId, double value);

  long decodeLong(byte value);

  long decodeLong(short value);

  long decodeLong(int value);

  double decodeDouble(byte value);

  double decodeDouble(short value);

  double decodeDouble(int value);

  double decodeDouble(long value);

  double decodeDouble(float value);

  double decodeDouble(double value);

  void decodeAndFillVector(byte[] pageData, ColumnVectorInfo vectorInfo, BitSet nullBits,
      DataType pageDataType, int pageSize);
}