com.whizzosoftware.hobson.api.data

Interface DataStreamDataStore

public interface DataStreamDataStore

An interface for storage of data stream data.

Author:

Dan Noguerol

Method Summary

Modifier and Type	Method and Description
void	addData(java.lang.String dataStreamId, long timestamp, java.util.Map<java.lang.String,java.lang.Object> data) Add data to a data stream.
java.util.Collection<DataStreamValueSet>	getData(java.lang.String dataStreamId, long endTime, DataStreamInterval interval) Retrieves data values from a data stream.

Method Detail

addData

void addData(java.lang.String dataStreamId,
             long timestamp,
             java.util.Map<java.lang.String,java.lang.Object> data)

Add data to a data stream.

Parameters:

dataStreamId - the data stream ID

timestamp - the timestamp of the data

data - the data values (a map of fieldId to value)

getData

java.util.Collection<DataStreamValueSet> getData(java.lang.String dataStreamId,
                                                 long endTime,
                                                 DataStreamInterval interval)

Retrieves data values from a data stream.

Parameters:

dataStreamId - the data stream ID

endTime - the end time of the desired data interval

interval - the desired data interval

Returns:

a Collection of TemporalValueSet objects (returns an empty collection if there's no data)