Package org.elasticsearch.action.admin.cluster.allocation

Class ClusterAllocationExplanation

java.lang.Object

org.elasticsearch.action.admin.cluster.allocation.ClusterAllocationExplanation

All Implemented Interfaces:

Writeable, ToXContent, ToXContentObject

public final class ClusterAllocationExplanation
extends Object
implements ToXContentObject, Writeable

A ClusterAllocationExplanation is an explanation of why a shard is unassigned, or if it is not unassigned, then which nodes it could possibly be relocated to. It is an immutable class.

Nested Class Summary

Nested classes/interfaces inherited from interface org.elasticsearch.xcontent.ToXContent

ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params

Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable

Writeable.Reader<V>, Writeable.Writer<V>

Field Summary

Fields inherited from interface org.elasticsearch.xcontent.ToXContent

EMPTY_PARAMS

Constructor Summary

Constructors

Constructor	Description
ClusterAllocationExplanation(boolean specificShard, ShardRouting shardRouting, DiscoveryNode currentNode, DiscoveryNode relocationTargetNode, ClusterInfo clusterInfo, ShardAllocationDecision shardAllocationDecision)
ClusterAllocationExplanation(StreamInput in)

Method Summary

Modifier and Type	Method	Description
ClusterInfo	getClusterInfo()	Returns the cluster disk info for the cluster, or null if none available.
DiscoveryNode	getCurrentNode()	Returns the currently assigned node, or null if the shard is unassigned.
DiscoveryNode	getRelocationTargetNode()	Returns the relocating target node, or null if the shard is not in the ShardRoutingState.RELOCATING state.
ShardId	getShard()	Returns the shard that the explanation is about.
ShardAllocationDecision	getShardAllocationDecision()	Returns the shard allocation decision for attempting to assign or move the shard.
ShardRoutingState	getShardState()	Returns the current ShardRoutingState of the shard.
UnassignedInfo	getUnassignedInfo()	Returns the unassigned info for the shard, or null if the shard is active.
boolean	isPrimary()	Returns true if the explained shard is primary, false otherwise.
boolean	isSpecificShard()
XContentBuilder	toXContent(XContentBuilder builder, ToXContent.Params params)
void	writeTo(StreamOutput out)	Write this into the StreamOutput.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.xcontent.ToXContentObject

isFragment

Constructor Details

ClusterAllocationExplanation

public ClusterAllocationExplanation(boolean specificShard,
 ShardRouting shardRouting,
 @Nullable
 DiscoveryNode currentNode,
 @Nullable
 DiscoveryNode relocationTargetNode,
 @Nullable
 ClusterInfo clusterInfo,
 ShardAllocationDecision shardAllocationDecision)

ClusterAllocationExplanation

public ClusterAllocationExplanation(StreamInput in)
                             throws IOException

Throws:

IOException

Method Details

writeTo

public void writeTo(StreamOutput out)
             throws IOException

Description copied from interface: Writeable

Write this into the StreamOutput.

Specified by:

writeTo in interface Writeable

Throws:

IOException

isSpecificShard

public boolean isSpecificShard()

getShard

public ShardId getShard()

Returns the shard that the explanation is about.

isPrimary

public boolean isPrimary()

Returns true if the explained shard is primary, false otherwise.

getShardState

public ShardRoutingState getShardState()

Returns the current ShardRoutingState of the shard.

getCurrentNode

@Nullable
public DiscoveryNode getCurrentNode()

Returns the currently assigned node, or null if the shard is unassigned.

getRelocationTargetNode

@Nullable
public DiscoveryNode getRelocationTargetNode()

Returns the relocating target node, or null if the shard is not in the ShardRoutingState.RELOCATING state.

getUnassignedInfo

@Nullable
public UnassignedInfo getUnassignedInfo()

Returns the unassigned info for the shard, or null if the shard is active.

getClusterInfo

@Nullable
public ClusterInfo getClusterInfo()

Returns the cluster disk info for the cluster, or null if none available.

getShardAllocationDecision

public ShardAllocationDecision getShardAllocationDecision()

Returns the shard allocation decision for attempting to assign or move the shard.

toXContent

public XContentBuilder toXContent(XContentBuilder builder,
 ToXContent.Params params)
                           throws IOException

Specified by:

toXContent in interface ToXContent

Throws:

IOException