Package org.apache.hive.service.cli

Source Code of org.apache.hive.service.cli.Row

/**
* 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.hive.service.cli;

import java.util.ArrayList;
import java.util.List;

import org.apache.hive.service.cli.thrift.TColumnValue;
import org.apache.hive.service.cli.thrift.TRow;

/**
* Row.
*
*/
public class Row {
  private final List<ColumnValue> values = new ArrayList<ColumnValue>();

  public Row() {
  }

  public Row(TRow tRow) {
    for (TColumnValue tColumnValues : tRow.getColVals()) {
      values.add(new ColumnValue(tColumnValues));
    }
  }

  public Row(TableSchema schema, Object[] fields) {
    assert fields.length == schema.getColumnDescriptors().size();
    for (ColumnDescriptor colDesc : schema.getColumnDescriptors()) {
      TypeDescriptor typeDesc = colDesc.getTypeDescriptor();
      values.add(ColumnValue.newColumnValue(typeDesc.getType(), fields[colDesc.getOrdinalPosition() - 1]));
    }
  }

  public Row addColumnValue(ColumnValue value) {
    values.add(value);
    return this;
  }

  public Row addBoolean(boolean value) {
    values.add(ColumnValue.booleanValue(value));
    return this;
  }

  public Row addByte(byte value) {
    values.add(ColumnValue.byteValue(value));
    return this;
  }

  public Row addString(String value) {
    values.add(ColumnValue.stringValue(value));
    return this;
  }

  public TRow toTRow() {
    TRow tRow = new TRow();
    for (ColumnValue columnValue : values) {
      tRow.addToColVals(columnValue.toTColumnValue());
    }
    return tRow;
  }
}
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