Java Code Examples for org.apache.arrow.vector.TinyIntVector#allocateNew()

The following examples show how to use org.apache.arrow.vector.TinyIntVector#allocateNew() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: TestData.java From dremio-oss with Apache License 2.0

6 votes

private Pair<TinyIntVector, ResultVerifier> testTinyIntVector() {
  final String colName = "colTinyInt";
  final List<Byte> values =  asList((byte)0, (byte)-1, (byte)1, null, (byte)-54);

  TinyIntVector valuesVector = new TinyIntVector(colName, allocator);
  valuesVector.allocateNew(values.size());
  for (int i = 0; i < values.size(); i++) {
    if (values.get(i) == null) {
      valuesVector.setNull(i);
    } else {
      valuesVector.set(i, values.get(i));
    }
  }

  ResultVerifier verifier = new ResultVerifier() {
    @Override
    public void verify(DataPOJO output) {
      verifyIntValues(values, output, colName);
    }
  };

  return Pair.of(valuesVector, verifier);
}

Example 2

Source File: TestArrowByteConnector.java From yosegi with Apache License 2.0

5 votes

@Test
public void T_convert_1() throws IOException{
  BufferAllocator allocator = new RootAllocator( 1024 * 1024 * 10 );
  TinyIntVector vector = new TinyIntVector( "test" , allocator );
  vector.allocateNew();
  vector.setSafe( 0 , (byte)0 );
  vector.setSafe( 1 , (byte)1 );
  vector.setSafe( 2 , (byte)0 );
  vector.setNull( 3 );
  vector.setSafe( 4 , (byte)1 );
  vector.setSafe( 5 , (byte)1 );
  vector.setSafe( 6 , (byte)1 );
  vector.setNull( 7 );
  vector.setValueCount( 8 );

  IColumn column = ArrowColumnFactory.convert( "test" , vector );
  assertEquals( column.getColumnName() , "test" );
  assertEquals( column.size() , 8 );
  assertTrue( ( column.getColumnType() == ColumnType.BYTE ) );
  assertEquals( ( (PrimitiveObject)( column.get(0).getRow() ) ).getByte() , (byte)0  );
  assertEquals( ( (PrimitiveObject)( column.get(1).getRow() ) ).getByte() , (byte)1  );
  assertEquals( ( (PrimitiveObject)( column.get(2).getRow() ) ).getByte() , (byte)0  );
  assertEquals( column.get(3).getRow() , null  );
  assertEquals( ( (PrimitiveObject)( column.get(4).getRow() ) ).getByte() , (byte)1 );
  assertEquals( ( (PrimitiveObject)( column.get(5).getRow() ) ).getByte() , (byte)1 );
  assertEquals( ( (PrimitiveObject)( column.get(6).getRow() ) ).getByte() , (byte)1 );
  assertEquals( column.get(7).getRow() , null  );
}

Example 3

Source File: TestArrowByteConnector.java From multiple-dimension-spread with Apache License 2.0

5 votes

@Test
public void T_convert_1() throws IOException{
  BufferAllocator allocator = new RootAllocator( 1024 * 1024 * 10 );
  TinyIntVector vector = new TinyIntVector( "test" , allocator );
  vector.allocateNew();
  vector.setSafe( 0 , (byte)0 );  
  vector.setSafe( 1 , (byte)1 );  
  vector.setSafe( 2 , (byte)0 );  
  vector.setNull( 3 );  
  vector.setSafe( 4 , (byte)1 );  
  vector.setSafe( 5 , (byte)1 );  
  vector.setSafe( 6 , (byte)1 );  
  vector.setNull( 7 );  
  vector.setValueCount( 8 );

  IColumn column = ArrowColumnFactory.convert( "test" , vector );
  assertEquals( column.getColumnName() , "test" );
  assertEquals( column.size() , 8 );
  assertTrue( ( column.getColumnType() == ColumnType.BYTE ) );
  assertEquals( ( (PrimitiveObject)( column.get(0).getRow() ) ).getByte() , (byte)0  );
  assertEquals( ( (PrimitiveObject)( column.get(1).getRow() ) ).getByte() , (byte)1  );
  assertEquals( ( (PrimitiveObject)( column.get(2).getRow() ) ).getByte() , (byte)0  );
  assertEquals( column.get(3).getRow() , null  );
  assertEquals( ( (PrimitiveObject)( column.get(4).getRow() ) ).getByte() , (byte)1 );
  assertEquals( ( (PrimitiveObject)( column.get(5).getRow() ) ).getByte() , (byte)1 );
  assertEquals( ( (PrimitiveObject)( column.get(6).getRow() ) ).getByte() , (byte)1 );
  assertEquals( column.get(7).getRow() , null  );
}

Example 4

Source File: ArrowByteMemoryAllocator.java From yosegi with Apache License 2.0

4 votes

public ArrowByteMemoryAllocator( final TinyIntVector vector , final int rowCount ) {
  vector.allocateNew( rowCount );
  this.vector = vector;
}

Example 5

Source File: ArrowByteMemoryAllocator.java From multiple-dimension-spread with Apache License 2.0

4 votes

public ArrowByteMemoryAllocator( final TinyIntVector vector , final int rowCount ){
  vector.allocateNew( rowCount );
  this.vector = vector;
}