org.elasticsearch.cluster.routing.allocation
Class NodeAllocation

java.lang.Object
  org.elasticsearch.common.component.AbstractComponent
      org.elasticsearch.cluster.routing.allocation.NodeAllocation

Direct Known Subclasses:

BlobReuseExistingNodeAllocation, LocalGatewayNodeAllocation, NodeAllocations, RebalanceOnlyWhenActiveNodeAllocation, ReplicaAfterPrimaryActiveNodeAllocation, SameShardNodeAllocation, ThrottlingNodeAllocation

public abstract class NodeAllocation
extends AbstractComponent

A pluggable logic allowing to control if allocation of a shard is allowed on a specific node.

Nested Class Summary

static class

NodeAllocation.Decision

Field Summary

Fields inherited from class org.elasticsearch.common.component.AbstractComponent

componentSettings, logger, settings

Constructor Summary

protected

NodeAllocation(Settings settings)

Method Summary

boolean	allocateUnassigned(NodeAllocations nodeAllocations, RoutingAllocation allocation)
void	applyFailedShards(NodeAllocations nodeAllocations, FailedRerouteAllocation allocation)
void	applyStartedShards(NodeAllocations nodeAllocations, StartedRerouteAllocation allocation)
NodeAllocation.Decision	canAllocate(ShardRouting shardRouting, RoutingNode node, RoutingAllocation allocation)
boolean	canRebalance(ShardRouting shardRouting, RoutingAllocation allocation)

Methods inherited from class org.elasticsearch.common.component.AbstractComponent

nodeName

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeAllocation

protected NodeAllocation(Settings settings)

Method Detail

applyStartedShards

public void applyStartedShards(NodeAllocations nodeAllocations,
                               StartedRerouteAllocation allocation)

applyFailedShards

public void applyFailedShards(NodeAllocations nodeAllocations,
                              FailedRerouteAllocation allocation)

allocateUnassigned

public boolean allocateUnassigned(NodeAllocations nodeAllocations,
                                  RoutingAllocation allocation)

canRebalance

public boolean canRebalance(ShardRouting shardRouting,
                            RoutingAllocation allocation)

canAllocate

public NodeAllocation.Decision canAllocate(ShardRouting shardRouting,
                                           RoutingNode node,
                                           RoutingAllocation allocation)