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java.lang.Object | +--solar.service.dan.GraphNode | +--solar.service.dan.Source | +--solar.test.ClockSource
A source periodically publishes events containing current timestamp.
Field Summary | |
protected int |
_sleep
|
Fields inherited from class solar.service.dan.GraphNode |
_gid |
Fields inherited from interface solar.service.dan.DanConstants |
DAN_INPORT, DAN_OUTPORT |
Constructor Summary | |
ClockSource(int sleep)
|
Method Summary | |
java.lang.Object |
handleQuery(Request query)
Handle the query being actively pulled by downstream operators. |
static void |
main(java.lang.String[] args)
Start the clock source and advertise a name for it. |
void |
run()
The execution body of this source. |
Methods inherited from class solar.service.dan.Source |
getInputPorts, handleEvent |
Methods inherited from class solar.service.dan.GraphNode |
getId, getOutputPorts, handleEvent, handleQuery, init, init, publish, publish, setId |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected int _sleep
Constructor Detail |
public ClockSource(int sleep)
Method Detail |
public void run() throws java.lang.Exception
Source
run
in class Source
java.lang.Exception
public java.lang.Object handleQuery(Request query) throws java.lang.Exception
GraphNode
handleQuery
in class GraphNode
java.lang.Exception
public static void main(java.lang.String[] args) throws java.lang.Exception
-host tahoe -port 5470 -name "[source=clock]"
java.lang.Exception
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