net.agmodel.metBroker
Class SpatialMetDatabaseAccess

java.lang.Object
  java.lang.Thread
      net.agmodel.metBroker.SpatialMetDatabaseAccess

All Implemented Interfaces:

Runnable

public class SpatialMetDatabaseAccess

extends Thread

Gets data to fill a spatial query from a particular MetDataSource, and adds the results into a SpatialMetSet

Author:

Matthew Laurenson

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

SpatialMetDatabaseAccess(MetBrokerImpl broker, SpatialMetRequest request, SpatialMetSetImpl result, String language, String sourceID, String sessionID)

Method Summary

void

run() When a MetDataSource receives a request, to fill a MetSet it scans the list of station checking whether they within the spatial and temporal boundaries of the metset If a station falls within the box, then the station object is asked whether it canContribute, and if it can, the MetDataSource calls queryForStation, and then asks the station to updateMetadata from the query results.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SpatialMetDatabaseAccess

public SpatialMetDatabaseAccess(MetBrokerImpl broker,
                                SpatialMetRequest request,
                                SpatialMetSetImpl result,
                                String language,
                                String sourceID,
                                String sessionID)

Method Detail

run

public void run()

When a MetDataSource receives a request, to fill a MetSet it scans the list of station checking whether they within the spatial and temporal boundaries of the metset If a station falls within the box, then the station object is asked whether it canContribute, and if it can, the MetDataSource calls queryForStation, and then asks the station to updateMetadata from the query results. When all relevant stations have contributed, MetDataSource indicates to MetHelper that it has finished.