Package org.palladiosimulator.simexp.pcm.examples.performability

Class AbstractNodeRecoveryStrategy<PCMInstance,A>

java.lang.Object

org.palladiosimulator.simexp.pcm.examples.performability.AbstractNodeRecoveryStrategy<PCMInstance,A>

All Implemented Interfaces:

NodeRecoveryStrategy<PCMInstance,A>

Direct Known Subclasses:

FaultTolerantScalingNodeFailureRecoveryStrategy, LoadBalancerNodeFailureRecoveryStrategy

public abstract class AbstractNodeRecoveryStrategy<PCMInstance,A>
extends Object
implements NodeRecoveryStrategy<PCMInstance,A>

Field Summary

Fields

Modifier and Type	Field	Description
protected static final double	DEFAULT_BRANCH_TRANSITION_PROBABILITY
protected static final org.apache.log4j.Logger	LOGGER
protected static final double	ONE_BRANCH_TRANSITION_PROBABILITY
protected final RepositoryModelLookup	repositoryLookup
protected final RepositoryModelUpdater	repositoryUpdater
protected final ResourceEnvironmentModelLookup	resourceEnvLookup
protected final PerformabilityStrategyConfiguration	strategyConfiguration
protected static final double	ZERO_BRANCH_TRANSITION_PROBABILITY

Constructor Summary

Constructors

Constructor	Description
AbstractNodeRecoveryStrategy(PerformabilityStrategyConfiguration strategyConfiguration, RepositoryModelLookup repositoryLookup, ResourceEnvironmentModelLookup resourceEnvLookup, RepositoryModelUpdater repositoryUpdater)

Method Summary

Modifier and Type	Method	Description
abstract void	execute(SelfAdaptiveSystemState<PCMInstance,A,List<org.palladiosimulator.envdyn.api.entity.bn.InputValue<tools.mdsd.probdist.api.entity.CategoricalValue>>> sasState, SharedKnowledge knowledge)
protected org.palladiosimulator.pcm.seff.ProbabilisticBranchTransition	findProbabilisticBranchTransitionToServerNode(org.palladiosimulator.pcm.repository.Repository repository, String loadBalancerBasicComponentId, String loadBalancerSeffOperationSignatureEntityName, String branchTransitionEntityName, String operationRequiredRoleName, String loadBalancerSeffBranchActionId)
protected void	logMsg(String node1EntiyName, String node2EntiyName, String node1Id, String node2Id, String node1State, String node2State, double probBranchTransitionToServerNode1, double probBranchTransitionToServerNode2)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

LOGGER

protected static final org.apache.log4j.Logger LOGGER

ZERO_BRANCH_TRANSITION_PROBABILITY

protected static final double ZERO_BRANCH_TRANSITION_PROBABILITY

See Also:

• Constant Field Values

ONE_BRANCH_TRANSITION_PROBABILITY

protected static final double ONE_BRANCH_TRANSITION_PROBABILITY

See Also:

• Constant Field Values

DEFAULT_BRANCH_TRANSITION_PROBABILITY

protected static final double DEFAULT_BRANCH_TRANSITION_PROBABILITY

See Also:

• Constant Field Values

strategyConfiguration

protected final PerformabilityStrategyConfiguration strategyConfiguration

repositoryLookup

protected final RepositoryModelLookup repositoryLookup

resourceEnvLookup

protected final ResourceEnvironmentModelLookup resourceEnvLookup

repositoryUpdater

protected final RepositoryModelUpdater repositoryUpdater

Constructor Details

AbstractNodeRecoveryStrategy

public AbstractNodeRecoveryStrategy(PerformabilityStrategyConfiguration strategyConfiguration,
 RepositoryModelLookup repositoryLookup,
 ResourceEnvironmentModelLookup resourceEnvLookup,
 RepositoryModelUpdater repositoryUpdater)

Method Details

execute

public abstract void execute(SelfAdaptiveSystemState<PCMInstance,A,List<org.palladiosimulator.envdyn.api.entity.bn.InputValue<tools.mdsd.probdist.api.entity.CategoricalValue>>> sasState,
 SharedKnowledge knowledge)

Specified by:

execute in interface NodeRecoveryStrategy<PCMInstance,A>

findProbabilisticBranchTransitionToServerNode

protected org.palladiosimulator.pcm.seff.ProbabilisticBranchTransition findProbabilisticBranchTransitionToServerNode(org.palladiosimulator.pcm.repository.Repository repository,
 String loadBalancerBasicComponentId,
 String loadBalancerSeffOperationSignatureEntityName,
 String branchTransitionEntityName,
 String operationRequiredRoleName,
 String loadBalancerSeffBranchActionId)

logMsg

protected void logMsg(String node1EntiyName,
 String node2EntiyName,
 String node1Id,
 String node2Id,
 String node1State,
 String node2State,
 double probBranchTransitionToServerNode1,
 double probBranchTransitionToServerNode2)