org.elasticsearch.plugins

Interface ClusterPlugin

public interface ClusterPlugin

An extension point for Plugin implementations to customer behavior of cluster management.

Method Summary

Modifier and Type	Method and Description
default java.util.Collection<AllocationDecider>	createAllocationDeciders(Settings settings, ClusterSettings clusterSettings) Return deciders used to customize where shards are allocated.
default java.util.Map<java.lang.String,java.util.function.Supplier<ShardsAllocator>>	getShardsAllocators(Settings settings, ClusterSettings clusterSettings) Return ShardsAllocator implementations added by this plugin.

Method Detail

createAllocationDeciders

default java.util.Collection<AllocationDecider> createAllocationDeciders(Settings settings,
                                                                         ClusterSettings clusterSettings)

Return deciders used to customize where shards are allocated.

Parameters:

settings - Settings for the node

clusterSettings - Settings for the cluster

Returns:

Custom AllocationDecider instances

getShardsAllocators

default java.util.Map<java.lang.String,java.util.function.Supplier<ShardsAllocator>> getShardsAllocators(Settings settings,
                                                                                                         ClusterSettings clusterSettings)

Return ShardsAllocator implementations added by this plugin. The key of the returned Map is the name of the allocator, and the value is a function to construct the allocator.

Parameters:

settings - Settings for the node

clusterSettings - Settings for the cluster

Returns:

A map of allocator implementations