org.elasticsearch.tribe

Interface TribeService.MergableCustomMetaData<T extends MetaData.Custom>

Type Parameters:

T - type of custom meta data

Enclosing class:

TribeService

public static interface TribeService.MergableCustomMetaData<T extends MetaData.Custom>

Interface to allow merging MetaData.Custom in tribe node When multiple Mergable Custom metadata of the same type is found (from underlying clusters), the Custom metadata will be merged using merge(MetaData.Custom) and the result will be stored in the tribe cluster state

Method Summary

Modifier and Type	Method and Description
T	merge(T other) Merges this custom metadata with other, returning either this or other custom metadata for tribe cluster state.

Method Detail

merge

T merge(T other)

Merges this custom metadata with other, returning either this or other custom metadata for tribe cluster state. This method should not mutate either this or the other custom metadata.

Parameters:

other - custom meta data

Returns:

the same instance or other custom metadata based on implementation if both the instances are considered equal, implementations should return this instance to avoid redundant cluster state changes.