Package com.linkedin.venice.controller.storeconfig

Class PartitionerConfigPolicy

java.lang.Object

com.linkedin.venice.controller.storeconfig.PartitionerConfigPolicy

public final class PartitionerConfigPolicy
extends Object

Encodes how user-supplied partitioner options merge onto a store's existing PartitionerConfig. Pure computation against in-memory state; no I/O.

Method Summary

Modifier and Type	Method	Description
static PartitionerConfig	mergeNewSettingsIntoOldPartitionerConfig(Store oldStore, Optional<String> partitionerClass, Optional<Map<String,String>> partitionerParams, Optional<Integer> amplificationFactor)	Merge any user-supplied partitioner fields on top of oldStore's current partitioner config, falling back to the existing value for unspecified fields.

Methods inherited from class java.lang.Object

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

Method Details

mergeNewSettingsIntoOldPartitionerConfig

public static PartitionerConfig mergeNewSettingsIntoOldPartitionerConfig(Store oldStore,
 Optional<String> partitionerClass,
 Optional<Map<String,String>> partitionerParams,
 Optional<Integer> amplificationFactor)

Merge any user-supplied partitioner fields on top of oldStore's current partitioner config, falling back to the existing value for unspecified fields. A store without a partitioner config is treated as if it had a default PartitionerConfigImpl.