org.apache.asterix.metadata.external

Interface IControlledAdapter

All Superinterfaces:

Serializable

public interface IControlledAdapter
extends Serializable

Author:

alamouda

Method Summary

Methods

Modifier and Type	Method and Description
void	close(org.apache.hyracks.api.comm.IFrameWriter writer)
void	fail() Gives the adapter a chance to clean up
void	initialize(org.apache.hyracks.api.context.IHyracksTaskContext ctx, org.apache.hyracks.api.dataflow.value.INullWriterFactory iNullWriterFactory)
void	nextFrame(ByteBuffer buffer, org.apache.hyracks.api.comm.IFrameWriter writer)

Method Detail

initialize

void initialize(org.apache.hyracks.api.context.IHyracksTaskContext ctx,
              org.apache.hyracks.api.dataflow.value.INullWriterFactory iNullWriterFactory)
                throws Exception

Parameters:

ctx -

recordDescriptors -

Throws:

Exception

nextFrame

void nextFrame(ByteBuffer buffer,
             org.apache.hyracks.api.comm.IFrameWriter writer)
               throws Exception

Parameters:

buffer -

writer -

Throws:

org.apache.hyracks.api.exceptions.HyracksDataException

Exception

close

void close(org.apache.hyracks.api.comm.IFrameWriter writer)
           throws Exception

Parameters:

writer -

Throws:

org.apache.hyracks.api.exceptions.HyracksDataException

Exception

fail

void fail()
          throws Exception

Gives the adapter a chance to clean up

Parameters:

writer -

Throws:

org.apache.hyracks.api.exceptions.HyracksDataException

Exception