content: /*
   * 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.io.ByteArrayOutputStream;
  import java.io.DataOutputStream;
  import java.io.IOException;
  import java.math.BigDecimal;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  
  import org.apache.carbondata.core.datastore.page.encoding.ColumnPageEncoderMeta;
  import org.apache.carbondata.core.metadata.datatype.DataType;
  import org.apache.carbondata.core.util.DataTypeUtil;
  
  public class SafeVarLengthColumnPage extends VarLengthColumnPageBase {
  
    // for string and decimal data
    private List<byte[]> byteArrayData;
  
    SafeVarLengthColumnPage(ColumnPageEncoderMeta columnPageEncoderMeta, int pageSize) {
      super(columnPageEncoderMeta, pageSize);
      byteArrayData = new ArrayList<>();
    }
  
    @Override
    public void freeMemory() {
      byteArrayData = null;
      super.freeMemory();
    }
  
    @Override
    public void putBytesAtRow(int rowId, byte[] bytes) {
      byteArrayData.add(bytes);
    }
  
    @Override
    public void putBytes(int rowId, byte[] bytes, int offset, int length) {
      byteArrayData.add(bytes);
    }
  
    @Override
    public void putDecimal(int rowId, BigDecimal decimal) {
      throw new UnsupportedOperationException(
          "invalid data type: " + columnPageEncoderMeta.getStoreDataType());
    }
  
    @Override
    public BigDecimal getDecimal(int rowId) {
      throw new UnsupportedOperationException(
          "invalid data type: " + columnPageEncoderMeta.getStoreDataType());
    }
  
    @Override
    public byte[] getBytes(int rowId) {
      return byteArrayData.get(rowId);
    }
  
    @Override
    public void setByteArrayPage(byte[][] byteArray) {
      byteArrayData.addAll(Arrays.asList(byteArray));
    }
  
    @Override
    public byte[] getLVFlattenedBytePage() throws IOException {
      ByteArrayOutputStream stream = new ByteArrayOutputStream();
      DataOutputStream out = new DataOutputStream(stream);
      for (byte[] byteArrayDatum : byteArrayData) {
        out.writeInt(byteArrayDatum.length);
        out.write(byteArrayDatum);
      }
      return stream.toByteArray();
    }
  
    @Override
    public byte[] getComplexChildrenLVFlattenedBytePage(DataType dataType) throws IOException {
      ByteArrayOutputStream stream = new ByteArrayOutputStream();
      DataOutputStream out = new DataOutputStream(stream);
      for (byte[] byteArrayDatum : byteArrayData) {
        if (DataTypeUtil.isByteArrayComplexChildColumn(dataType)) {
          out.writeInt(byteArrayDatum.length);
        } else {
          out.writeShort((short) byteArrayDatum.length);
        }
        out.write(byteArrayDatum);
      }
      return stream.toByteArray();
    }
  
    @Override
    public byte[] getComplexParentFlattenedBytePage() throws IOException {
      ByteArrayOutputStream stream = new ByteArrayOutputStream();
      DataOutputStream out = new DataOutputStream(stream);
      for (byte[] byteArrayDatum : byteArrayData) {
        out.write(byteArrayDatum);
      }
      return stream.toByteArray();
    }
  
    @Override
    public byte[][] getByteArrayPage() {
      return byteArrayData.toArray(new byte[byteArrayData.size()][]);
    }
  
    @Override
    void copyBytes(int rowId, byte[] dest, int destOffset, int length) {
      System.arraycopy(byteArrayData.get(rowId), 0, dest, destOffset, length);
    }
  
  }
  