package

org.apache.helix.controller.stages

Stages in Helix controller pipelines

Classes

BestPossibleStateCalcStage For partition compute best possible (instance,state) pair based on IdealState,StateModel,LiveInstance  
BestPossibleStateOutput  
ClusterDataCache Reads the data from the cluster using data accessor. 
ClusterEvent  
CompatibilityCheckStage controller checks if participant version is compatible  
CurrentStateComputationStage For each LiveInstances select currentState and message whose sessionId matches sessionId from LiveInstance Get Partition,State for all the resources computed in previous State [ResourceComputationStage]  
CurrentStateOutput  
ExternalViewComputeStage  
HealthDataCache  
MessageGenerationStage Compares the currentState, pendingState with IdealState and generate messages  
MessageOutput  
MessageSelectionStage  
MessageSelectionStage.Bounds  
MessageThrottleStage  
PersistAssignmentStage Persist the ResourceAssignment of each resource that went through rebalancing  
ReadClusterDataStage  
ReadHealthDataStage  
ResourceComputationStage This stage computes all the resources in a cluster. 
ResourceCurrentState  
StatsAggregationStage For each LiveInstances select currentState and message whose sessionId matches sessionId from LiveInstance Get Partition,State for all the resources computed in previous State [ResourceComputationStage]  
TaskAssignmentStage  

Enums