de.fzj.unicore.wsrflite.impl
Interface InstanceChecker

All Known Implementing Classes:

ExpiryChecker, WSNEventChecker

public interface InstanceChecker

instances of this class are used for periodical checks on all the WSRF instances existing in a specific DefaultHome

Author:

schuller, demuth

Method Summary

boolean	check(Home home, String uniqueID) check condition
boolean	process(Home home, String uniqueID) perform processing on the instance (in case check() hits)

Method Detail

check

boolean check(Home home,
              String uniqueID)
              throws ResourceUnknownException

check condition

Parameters:

uniqueID - - a WSRFInstance id

Returns:

Throws:

ResourceUnknownException

process

boolean process(Home home,
                String uniqueID)
                throws ResourceUnknownException

perform processing on the instance (in case check() hits)

Parameters:

uniqueID - - a WSRFInstance id

Returns:

returns true if instance is still valid. If it is invalid, false is returned, and the instance will be removed from further checks

Throws:

ResourceUnknownException