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

The following examples show how to use org.apache.arrow.vector.SmallIntVector#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 vote down vote up 
private Pair<SmallIntVector, ResultVerifier> testSmallIntVector() {
  final String colName = "colSmallInt";
  final List<Integer> values =  asList(20, null, -2000, 32700, 0);

  SmallIntVector valuesVector = new SmallIntVector(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: TestArrowShortConnector.java    From yosegi with Apache License 2.0 5 votes vote down vote up 
@Test
public void T_convert_1() throws IOException{
  BufferAllocator allocator = new RootAllocator( 1024 * 1024 * 10 );
  SmallIntVector vector = new SmallIntVector( "test" , allocator );
  vector.allocateNew();
  vector.setSafe( 0 , (short)0 );
  vector.setSafe( 1 , (short)1 );
  vector.setSafe( 2 , (short)0 );
  vector.setNull( 3 );
  vector.setSafe( 4 , (short)1 );
  vector.setSafe( 5 , (short)1 );
  vector.setSafe( 6 , (short)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.SHORT ) );
  assertEquals( ( (PrimitiveObject)( column.get(0).getRow() ) ).getShort() , (short)0  );
  assertEquals( ( (PrimitiveObject)( column.get(1).getRow() ) ).getShort() , (short)1  );
  assertEquals( ( (PrimitiveObject)( column.get(2).getRow() ) ).getShort() , (short)0  );
  assertEquals( column.get(3).getRow() , null  );
  assertEquals( ( (PrimitiveObject)( column.get(4).getRow() ) ).getShort() , (short)1 );
  assertEquals( ( (PrimitiveObject)( column.get(5).getRow() ) ).getShort() , (short)1 );
  assertEquals( ( (PrimitiveObject)( column.get(6).getRow() ) ).getShort() , (short)1 );
  assertEquals( column.get(7).getRow() , null  );
}
Example 3
Source File: TestArrowShortConnector.java    From multiple-dimension-spread with Apache License 2.0 5 votes vote down vote up 
@Test
public void T_convert_1() throws IOException{
  BufferAllocator allocator = new RootAllocator( 1024 * 1024 * 10 );
  SmallIntVector vector = new SmallIntVector( "test" , allocator );
  vector.allocateNew();
  vector.setSafe( 0 , (short)0 );  
  vector.setSafe( 1 , (short)1 );  
  vector.setSafe( 2 , (short)0 );  
  vector.setNull( 3 );  
  vector.setSafe( 4 , (short)1 );  
  vector.setSafe( 5 , (short)1 );  
  vector.setSafe( 6 , (short)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.SHORT ) );
  assertEquals( ( (PrimitiveObject)( column.get(0).getRow() ) ).getShort() , (short)0  );
  assertEquals( ( (PrimitiveObject)( column.get(1).getRow() ) ).getShort() , (short)1  );
  assertEquals( ( (PrimitiveObject)( column.get(2).getRow() ) ).getShort() , (short)0  );
  assertEquals( column.get(3).getRow() , null  );
  assertEquals( ( (PrimitiveObject)( column.get(4).getRow() ) ).getShort() , (short)1 );
  assertEquals( ( (PrimitiveObject)( column.get(5).getRow() ) ).getShort() , (short)1 );
  assertEquals( ( (PrimitiveObject)( column.get(6).getRow() ) ).getShort() , (short)1 );
  assertEquals( column.get(7).getRow() , null  );
}
Example 4
Source File: ArrowShortMemoryAllocator.java    From yosegi with Apache License 2.0 4 votes vote down vote up 
public ArrowShortMemoryAllocator( final SmallIntVector vector , final int rowCount ) {
  vector.allocateNew( rowCount );
  this.vector = vector;
}
Example 5
Source File: ArrowShortMemoryAllocator.java    From multiple-dimension-spread with Apache License 2.0 4 votes vote down vote up 
public ArrowShortMemoryAllocator( final SmallIntVector vector , final int rowCount ){
  vector.allocateNew( rowCount );
  this.vector = vector;
}