com.espertech.esper.epl.join.base
Interface JoinPreloadMethod

All Known Implementing Classes:

JoinPreloadMethodImpl, JoinPreloadMethodNull

public interface JoinPreloadMethod

Method for preloading events for a given stream onto the stream's indexes, from a buffer already associated with a stream.

Method Summary

boolean	isPreloading()
void	preloadAggregation(ResultSetProcessor resultSetProcessor) Initialize the result set process for the purpose of grouping and aggregation from the join result set.
void	preloadFromBuffer(int stream) Initialize a stream from the stream buffers data.
void	setBuffer(BufferView buffer, int i) Sets the buffee to use.

Method Detail

preloadFromBuffer

void preloadFromBuffer(int stream)

Initialize a stream from the stream buffers data.

Parameters:

stream - to initialize and load indexes

preloadAggregation

void preloadAggregation(ResultSetProcessor resultSetProcessor)

Initialize the result set process for the purpose of grouping and aggregation from the join result set.

Parameters:

resultSetProcessor - is the grouping and aggregation result processing

setBuffer

void setBuffer(BufferView buffer,
               int i)

Sets the buffee to use.

Parameters:

buffer - buffer to use

i - stream

isPreloading

boolean isPreloading()