org.apache.drill.exec.store.pojo

Interface PojoWriter

All Known Implementing Classes:

AbstractPojoWriter, PojoWriters.BitWriter, PojoWriters.DecimalWriter, PojoWriters.DoubleWriter, PojoWriters.EnumWriter, PojoWriters.FloatWriter, PojoWriters.IntWriter, PojoWriters.LongWriter, PojoWriters.NBigIntWriter, PojoWriters.NBooleanWriter, PojoWriters.NDoubleWriter, PojoWriters.NFloatWriter, PojoWriters.NIntWriter, PojoWriters.NTimeStampWriter, PojoWriters.StringWriter

public interface PojoWriter

Pojo writer interface for writers based on types supported for pojo.

Method Summary

Modifier and Type	Method and Description
void	allocate() Allocates new buffer for value vector.
void	cleanup() Performs clean up if needed.
void	init(OutputMutator output) Initializes value vector.
void	setValueCount(int recordCount) Sets number of written records.
void	writeField(Object value, int outboundIndex) Writes given value to the given position of the bit to set.

Method Detail

writeField

void writeField(Object value,
                int outboundIndex)

Writes given value to the given position of the bit to set.

Parameters:

value - values to be written

outboundIndex - position of the bit

init

void init(OutputMutator output)
   throws SchemaChangeException

Initializes value vector.

Parameters:

output - output mutator

Throws:

SchemaChangeException

allocate

void allocate()

Allocates new buffer for value vector.

setValueCount

void setValueCount(int recordCount)

Sets number of written records.

Parameters:

recordCount - record count

cleanup

void cleanup()

Performs clean up if needed.