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Fix perf example #53

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merged 4 commits into from
Jan 9, 2025
Merged

Fix perf example #53

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52f1622
implemented nodeRecovery qvto transformation and added respective act…
rapp-fzi Jan 9, 2025
3562cf7
removed superflous qvto scripts
rapp-fzi Jan 9, 2025
dd36fee
removed superfluous comments
rapp-fzi Jan 9, 2025
64d0cba
corrected wrong property names
rapp-fzi Jan 9, 2025
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1 change: 1 addition & 0 deletions ...iosimulator.simexp.pcm.examples.loadbalancer.faulttolerant/launches/FT_LB_modelled.launch
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
<stringAttribute key="SimulationID" value="FT_LB_modelled"/>
<stringAttribute key="Simulator Type" value="MODELLED"/>
<setAttribute key="TransformationsActive">
<setEntry value="nodeRecovery"/>
<setEntry value="scaleIn"/>
<setEntry value="scaleOut"/>
</setAttribute>
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64 changes: 55 additions & 9 deletions ...ctive/unsetBranchProbabilityFailSave.qvto → ...reconfigurations_active/nodeRecovery.qvto
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Expand Up @@ -31,35 +31,81 @@ modeltype PCM_STOEX uses 'http://sdq.ipd.uka.de/StochasticExpressions/2.2';
* transformation definition, while no name is needed for the output PCM modeltype. Note that OCL
* type and namespace notation are used in operational QVT (: and :: respectively).
*/
transformation unsetBranchProbabilityFailSave( in pcmAllocation : PCM_ALLOC ) {
transformation nodeRecovery( in pcmAllocation : PCM_ALLOC ) {

configuration property node1 : String; // node1 availability
configuration property node2 : String; // node2 availability


/**
* The main transformation.
* This is the entry point to the overall transformation.
*/
main() {

log('Transformation rule [nodeRecovery] ...');
if ((node1 != "available") or (node2 != "available")) {
log('Start node recovery ...');
if ((node1.toString() = 'available') and (node2.toString() != 'available')){
log("node1 : '" + node1.toString() + "', node2: '" + node2.toString() + "'");
var probBranch1 : Real = 1.0;
var probBranch2 : Real = 0.0;
pcmAllocation.rootObjects()[Allocation]->forAll(
allocation : Allocation |
setBranchProbabilities(allocation.allocationContexts_Allocation, probBranch1, probBranch2)
);
};
if ((node1 = "available") and (node2 = "available")){
log("node1 : '" + node1.toString() + "', node2: '" + node2.toString() + "'");
var probBranch1 : Real = 1.0;
var probBranch2 : Real = 0.0;
pcmAllocation.rootObjects()[Allocation]->forAll(
allocation : Allocation |
setBranchProbabilities(allocation.allocationContexts_Allocation, probBranch1, probBranch2)
);
};
if ((node1 != "available") and (node2 = "available")){
log("node1 : '" + node1.toString() + "', node2: '" + node2.toString() + "'");
var probBranch1 : Real = 0.0;
var probBranch2 : Real = 1.0;
pcmAllocation.rootObjects()[Allocation]->forAll(
allocation : Allocation |
setBranchProbabilities(allocation.allocationContexts_Allocation, probBranch1, probBranch2)
);
};
if ((node1 != "available") and (node2 != "available")){
log("node1 : '" + node1.toString() + "', node2: '" + node2.toString() + "'");
var probBranch1 : Real = 0.0;
var probBranch2 : Real = 0.0;
pcmAllocation.rootObjects()[Allocation]->forAll(
allocation : Allocation |
setBranchProbabilities(allocation.allocationContexts_Allocation, probBranch1, probBranch2)
);
};
log('Node recovery DONE.');
};

log('*** STARTED: Transformation rule [unsetBranchProbabilityFailSave] ...');
pcmAllocation.rootObjects()[Allocation]->forAll(
allocation : Allocation |
setBranchProbabilities(allocation.allocationContexts_Allocation)
);
log('*** DONE: Transformation rule [unsetBranchProbabilityFailSave]');
log('Transformation rule [unsetBranchProbabilityNode1] DONE.');
}


/**
* branchProbabilityProcessing Processing.
*/
helper setBranchProbabilities(allocationContexts : Set(AllocationContext)) : Boolean {
helper setBranchProbabilities(allocationContexts : Set(AllocationContext), in probBranch1 : Real, in probBranch2: Real) : Boolean {

allocationContexts->forEach(allocation){

if( allocation.assemblyContext_AllocationContext.id = "_6F6LYAEnEeS7FKokKTKFow" ) {
//log('Found load balancer: AC_LoadBalancer');
allocation.assemblyContext_AllocationContext.encapsulatedComponent__AssemblyContext.oclAsType(BasicComponent).serviceEffectSpecifications__BasicComponent->forEach(seff) {
if(seff.oclIsTypeOf(ResourceDemandingSEFF)) {
var branch1 : ProbabilisticBranchTransition = seff.allSubobjects()[ProbabilisticBranchTransition]->any(id="_ridTkAEoEeS7FKokKTKFow"); // entityName="delegateToServer1"
branch1.branchProbability := probBranch1;
log('Set branch1.branchProbability to ' + branch1.branchProbability.toString());
var branch2 : ProbabilisticBranchTransition = seff.allSubobjects()[ProbabilisticBranchTransition]->any(id="_tjFukAEoEeS7FKokKTKFow"); // entityName="delegateToServer2"
branch2.branchProbability := probBranch2;
log('Set branch2.branchProbability to ' + branch2.branchProbability.toString());
var branchFailSave : ProbabilisticBranchTransition = seff.allSubobjects()[ProbabilisticBranchTransition]->any(id="_fm8UkQFdEe-xm__qsFXqOw"); // entityName="failSavee"
branchFailSave.branchProbability := 0.0;
log('Set branchFailSave.branchProbability to ' + branchFailSave.branchProbability.toString());
Expand All @@ -70,6 +116,6 @@ transformation unsetBranchProbabilityFailSave( in pcmAllocation : PCM_ALLOC ) {
};

return false;
}
}

}
75 changes: 0 additions & 75 deletions ...ttolerant/reconfiguration-rules/reconfigurations_active/setBranchProbabilityFailSave.qvto
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75 changes: 0 additions & 75 deletions ...aulttolerant/reconfiguration-rules/reconfigurations_active/setBranchProbabilityNode1.qvto
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75 changes: 0 additions & 75 deletions ...aulttolerant/reconfiguration-rules/reconfigurations_active/setBranchProbabilityNode2.qvto
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