private static TreeWriter createTreeWriter(ObjectInspector inspector,
TypeDescription schema,
StreamFactory streamFactory,
bool nullable)
{
switch (schema.getCategory())
{
case Category.BOOLEAN:
return new BooleanTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.BYTE:
return new ByteTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.SHORT:
case Category.INT:
case Category.LONG:
return new IntegerTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.FLOAT:
return new FloatTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.DOUBLE:
return new DoubleTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.STRING:
return new StringTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.CHAR:
return new CharTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.VARCHAR:
return new VarcharTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.BINARY:
return new BinaryTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.TIMESTAMP:
return new TimestampTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.DATE:
return new DateTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.DECIMAL:
return new DecimalTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.STRUCT:
return new StructTreeWriter(streamFactory.getNextColumnId(),
inspector, schema, streamFactory, nullable);
case Category.MAP:
return new MapTreeWriter(streamFactory.getNextColumnId(), inspector,
schema, streamFactory, nullable);
case Category.LIST:
return new ListTreeWriter(streamFactory.getNextColumnId(), inspector,
schema, streamFactory, nullable);
case Category.UNION:
return new UnionTreeWriter(streamFactory.getNextColumnId(), inspector,
schema, streamFactory, nullable);
default:
throw new ArgumentException("Bad category: " +
schema.getCategory());
}
}