grm::GrmImpl Class Reference

Inheritance diagram for grm::GrmImpl:

[legend]Collaboration diagram for grm::GrmImpl:

[legend]List of all members.


Public Member Functions
	GrmImpl (boolean debug_)
void	registerLrm (String lrmId, StaticInfo staticInfo)
void	sendUpdate (String lrmId, DynamicInfo dynamicInfo)
void	remoteExecutionRequest (CommonExecutionSpecs commonSpecs, DistinctExecutionSpecs[] distinctSpecs, boolean forceDifferentMachines)
void	run ()
Private Member Functions
ExecutionSpecs	createExecSpecs (CommonExecutionSpecs commonSpecs, DistinctExecutionSpecs distinctSpecs)
void	touchLrm (String lrmIor)
void	removeLrm (String lrmIor)
String	generatePreferences (String preferences)
String	generateConstraints (String constraints, String denyingHosts)
String	generateDeniedConstraint (String denyingHosts)
void	dumpLrm (String offerId)
void	dumpStaticInfo (StaticInfo staticInfo)
void	dumpDynamicInfo (DynamicInfo dynamicInfo)
void	dumpExecutionSpecs (ExecutionSpecs execSpecs)
Private Attributes
ORB	orb
Lookup	lkp
HashMap	regLrm
boolean	debug
Static Private Attributes
final int	NUM_STATIC_FEATURES = 8
final int	NUM_DYNAMIC_FEATURES = 7
final int	NUM_FEATURES

Detailed Description

Class GrmImpl - Servant implementation of GRM.idl

GRM acts as a resource availability descriptions repository and scheduler.

Author:: Andrei Goldchleger

Constructor & Destructor Documentation

grm::GrmImpl::GrmImpl ( boolean debug_ ) [inline]

Creates a GrmImpl Object
Parameters:

debug_ - enables debug messages

Member Function Documentation

ExecutionSpecs grm::GrmImpl::createExecSpecs ( CommonExecutionSpecs commonSpecs,

DistinctExecutionSpecs distinctSpecs

) [inline, private]

void grm::GrmImpl::dumpDynamicInfo ( DynamicInfo dynamicInfo ) [inline, private]

void grm::GrmImpl::dumpExecutionSpecs ( ExecutionSpecs execSpecs ) [inline, private]

void grm::GrmImpl::dumpLrm ( String offerId ) [inline, private]

void grm::GrmImpl::dumpStaticInfo ( StaticInfo staticInfo ) [inline, private]

String grm::GrmImpl::generateConstraints ( String constraints,

String denyingHosts

) [inline, private]

String grm::GrmImpl::generateDeniedConstraint ( String denyingHosts ) [inline, private]

Generates a TCL constraint that describes all machines that already denied an execution request.

Parameters:

denyingHosts - space separated string containig ids of machines that denied to host a given execution request

String grm::GrmImpl::generatePreferences ( String preferences ) [inline, private]

void grm::GrmImpl::registerLrm ( String lrmId,

StaticInfo staticInfo

) [inline]

Register a LRM on this GRM

Parameters:

lrmId - LRM's IOR

staticInfo - Object representing a node static info

void grm::GrmImpl::remoteExecutionRequest ( CommonExecutionSpecs commonSpecs,

DistinctExecutionSpecs[] distinctSpecs,

boolean forceDifferentMachines

) [inline]

Receives a remote execution request.
Receives a remote execution request from an ASCT and finds a suitable machine to service that request, if one is available. If not, notifies the requesting ASCT.

Parameters:

commonSpecs - common specs to all application copies

distinctSpecs - specific specs regarding a given application copy. In the case of sequential applications, there is only one spec

forceDifferentMachines - if true, the GRM will only service the request if EACH of the application copies can be executed on a different machine

void grm::GrmImpl::removeLrm ( String lrmIor ) [inline, private]

void grm::GrmImpl::run ( ) [inline]

void grm::GrmImpl::sendUpdate ( String lrmId,

DynamicInfo dynamicInfo

) [inline]

Receive an update from a given LRM

Parameters:

lrmId - LRM's IOR

dynamicInfo - Object representing a node dynamic info