| java.lang.Object | |||
| ↳ | org.apache.helix.controller.rebalancer.context.BasicRebalancerContext | ||
| ↳ | org.apache.helix.controller.rebalancer.context.PartitionedRebalancerContext | ||
| ↳ | org.apache.helix.controller.rebalancer.context.SemiAutoRebalancerContext | ||
Class Overview
RebalancerContext for SEMI_AUTO rebalancer mode. It indicates the preferred locations of each
partition replica. By default, it corresponds to SemiAutoRebalancer
Summary
| Nested Classes | |||||||||||
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| SemiAutoRebalancerContext.Builder | Build a SemiAutoRebalancerContext. | ||||||||||
| Public Constructors | |||||||||||
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Instantiate a SemiAutoRebalancerContext
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| Public Methods | |||||||||||
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Generate preference lists based on a default cluster setup
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Get the preference list of a partition
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Get the preference lists of all partitions of the resource
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Set the preference lists of all partitions of the resource
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[Expand]
Inherited Methods | |||||||||||
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From class
org.apache.helix.controller.rebalancer.context.PartitionedRebalancerContext
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From class
org.apache.helix.controller.rebalancer.context.BasicRebalancerContext
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From class
java.lang.Object
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From interface
org.apache.helix.controller.rebalancer.context.RebalancerContext
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From interface
org.apache.helix.controller.rebalancer.context.ReplicatedRebalancerContext
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Public Constructors
public SemiAutoRebalancerContext ()
Instantiate a SemiAutoRebalancerContext
Public Methods
public void generateDefaultConfiguration (StateModelDefinition stateModelDef, Set<ParticipantId> participantSet)
Generate preference lists based on a default cluster setup
Parameters
| stateModelDef | the state model definition to follow |
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| participantSet | the set of participant ids to configure for |
public List<ParticipantId> getPreferenceList (PartitionId partitionId)
Get the preference list of a partition
Parameters
| partitionId | the partition to look up |
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Returns
- list of participant ids
public Map<PartitionId, List<ParticipantId>> getPreferenceLists ()
Get the preference lists of all partitions of the resource
Returns
- map of partition id to list of participant ids
public void setPreferenceLists (Map<PartitionId, List<ParticipantId>> preferenceLists)
Set the preference lists of all partitions of the resource