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.processing.datatypes;
  
  import java.io.DataOutputStream;
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.carbondata.core.datastore.ColumnType;
  import org.apache.carbondata.core.datastore.row.ComplexColumnInfo;
  import org.apache.carbondata.core.keygenerator.KeyGenException;
  import org.apache.carbondata.core.util.ByteUtil;
  import org.apache.carbondata.core.util.DataTypeUtil;
  import org.apache.carbondata.processing.loading.complexobjects.ArrayObject;
  import org.apache.carbondata.processing.loading.converter.BadRecordLogHolder;
  import org.apache.carbondata.processing.util.CarbonBadRecordUtil;
  
  /**
   * Array DataType stateless object used in data loading
   */
  public class ArrayDataType implements GenericDataType<Object> {
  
    /**
     * child columns
     */
    private GenericDataType children;
  
    /**
     * name of the column
     */
    private String name;
  
    /**
     * column unique id
     */
    private String columnId;
  
    /**
     * parent column name
     */
    private String parentName;
  
    /**
     * output array index
     */
    private int outputArrayIndex;
  
    /**
     * True if this is for dictionary column
     */
    private boolean isDictionary;
  
    /**
     * current data counter
     */
    private int dataCounter;
  
    /* flat complex datatype length, including the children*/
    private int depth;
  
    private ArrayDataType(int outputArrayIndex, int dataCounter, GenericDataType children,
        String name) {
      this.outputArrayIndex = outputArrayIndex;
      this.dataCounter = dataCounter;
      this.children = children;
      this.name = name;
    }
  
    /**
     * constructor
     * @param name
     * @param parentName
     * @param columnId
     */
    public ArrayDataType(String name, String parentName, String columnId) {
      this.name = name;
      this.parentName = parentName;
      this.columnId = columnId;
    }
  
    /**
     * constructor
     * @param name
     * @param parentName
     * @param columnId
     * @param isDictionary
     */
    public ArrayDataType(String name, String parentName, String columnId,
        Boolean isDictionary) {
      this.name = name;
      this.parentName = parentName;
      this.columnId = columnId;
      this.isDictionary = isDictionary;
    }
  
    /*
     * to add child dimensions
     */
    @Override
    public void addChildren(GenericDataType children) {
      if (this.getName().equals(children.getParentName())) {
        this.children = children;
      } else {
        this.children.addChildren(children);
      }
    }
  
    /*
     * return column name
     */
    @Override
    public String getName() {
      return name;
    }
  
    /*
     * return column unique id
     */
    @Override
    public String getColumnNames() {
      return columnId;
    }
  
    /*
     * set parent name
     */
    @Override
    public String getParentName() {
      return parentName;
    }
  
    /*
     * returns all primitive type child columns
     */
    @Override
    public void getAllPrimitiveChildren(List<GenericDataType> primitiveChild) {
      if (children instanceof PrimitiveDataType) {
        primitiveChild.add(children);
      } else {
        children.getAllPrimitiveChildren(primitiveChild);
      }
    }
  
    /*
     * set surrogate index
     */
    @Override
    public void setSurrogateIndex(int surrIndex) {
  
    }
  
    @Override
    public boolean getIsColumnDictionary() {
      return isDictionary;
    }
  
    @Override
    public void writeByteArray(Object input, DataOutputStream dataOutputStream,
        BadRecordLogHolder logHolder, Boolean isWithoutConverter, boolean isEmptyBadRecord)
        throws IOException {
      if (input == null) {
        dataOutputStream.writeInt(1);
        children.writeByteArray(null, dataOutputStream, logHolder, isWithoutConverter,
            isEmptyBadRecord);
      } else {
        Object[] data = ((ArrayObject) input).getData();
        if (data.length == 1 && data[0] != null
            && data[0].equals("") && !(children instanceof PrimitiveDataType)) {
          // If child complex column is empty, no need to iterate. Fill empty byte array and return.
          CarbonBadRecordUtil.updateEmptyValue(dataOutputStream, isEmptyBadRecord, logHolder,
              parentName, DataTypeUtil.valueOf("array"));
          return;
        } else {
          dataOutputStream.writeInt(data.length);
        }
        for (Object eachInput : data) {
          children.writeByteArray(eachInput, dataOutputStream, logHolder, isWithoutConverter,
              isEmptyBadRecord);
        }
      }
    }
  
    @Override
    public void parseComplexValue(ByteBuffer byteArrayInput, DataOutputStream dataOutputStream)
        throws IOException, KeyGenException {
      int dataLength = byteArrayInput.getInt();
  
      dataOutputStream.writeInt(dataLength);
      if (children instanceof PrimitiveDataType) {
        if (children.getIsColumnDictionary()) {
          dataOutputStream.writeInt(ByteUtil.dateBytesSize());
        }
      }
      for (int i = 0; i < dataLength; i++) {
        children.parseComplexValue(byteArrayInput, dataOutputStream);
      }
    }
  
    /*
     * get children column count
     */
    @Override
    public int getColsCount() {
      return children.getColsCount() + 1;
    }
  
    /*
     * set array index
     */
    @Override
    public void setOutputArrayIndex(int outputArrayIndex) {
      this.outputArrayIndex = outputArrayIndex;
      children.setOutputArrayIndex(outputArrayIndex + 1);
    }
  
    /*
     * get current max array index
     */
    @Override
    public int getMaxOutputArrayIndex() {
      int currentMax = outputArrayIndex;
      int childMax = children.getMaxOutputArrayIndex();
      if (childMax > currentMax) {
        currentMax = childMax;
      }
      return currentMax;
    }
  
    /*
     * split byte array and return metadata and primitive column data
     */
    @Override
    public void getColumnarDataForComplexType(List<ArrayList<byte[]>> columnsArray,
        ByteBuffer inputArray) {
      ByteBuffer b = ByteBuffer.allocate(8);
      int dataLength = inputArray.getInt();
      b.putInt(dataLength);
      if (dataLength == 0) {
        b.putInt(0);
      } else {
        b.putInt(children.getDataCounter());
      }
      columnsArray.get(this.outputArrayIndex).add(b.array());
  
      if (children instanceof PrimitiveDataType) {
        PrimitiveDataType child = ((PrimitiveDataType) children);
        if (child.getIsColumnDictionary()) {
          child.setKeySize(inputArray.getInt());
        }
      }
      for (int i = 0; i < dataLength; i++) {
        children.getColumnarDataForComplexType(columnsArray, inputArray);
      }
      this.dataCounter++;
    }
  
    /*
     * return data counter
     */
    @Override
    public int getDataCounter() {
      return this.dataCounter;
    }
  
    @Override
    public GenericDataType<Object> deepCopy() {
      return new ArrayDataType(this.outputArrayIndex, this.dataCounter, this.children.deepCopy(),
          this.name);
    }
  
    @Override
    public void getComplexColumnInfo(List<ComplexColumnInfo> columnInfoList) {
      columnInfoList.add(
          new ComplexColumnInfo(ColumnType.COMPLEX_ARRAY, DataTypeUtil.valueOf("array"),
              name, false));
      children.getComplexColumnInfo(columnInfoList);
    }
  
    @Override
    public int getDepth() {
      if (depth == 0) {
        // calculate only one time
        List<ComplexColumnInfo> complexColumnInfoList = new ArrayList<>();
        getComplexColumnInfo(complexColumnInfoList);
        depth = complexColumnInfoList.size();
      }
      return depth;
    }
  
  }