/* Enter a unique ExecutionPlan */
@Plan:name('WSO2IoT-Geo-ExecutionPlan')

/* Enter a unique description for ExecutionPlan */
@Plan:description('To convert the Entgra IoT event incoming stream to relavant streams')

/* define streams/tables and write queries here ... */

@Plan:trace('false')

@Import('org.wso2.iot.LocationStream:1.0.0')
define stream dataIn (meta_deviceId string, meta_owner string, meta_deviceType string, timeStamp long, latitude double, longitude double);

@Export('org.wso2.geo.StandardSpatialEvents:1.0.0')
define stream dataOut (id string, owner string, latitude double, longitude double, timeStamp long, type string, speed float, heading float, eventId string);

from every fs1=dataIn -> fs2=dataIn[fs2.timeStamp > fs1.timeStamp and fs1.meta_deviceId == fs2.meta_deviceId]
select fs1.meta_deviceId as id, fs1.meta_owner as owner, fs2.latitude, fs2.longitude, fs2.timeStamp, fs1.meta_deviceType as type,
convert(geo:distance(fs2.latitude, fs2.longitude, fs1.latitude, fs1.longitude) * 3600/(fs2.timeStamp - fs1.timeStamp), 'float') as speed,
0.0f as heading, UUID() as eventId
group by fs1.meta_deviceId
insert into dataOut