Package org.opensearch.cluster.routing.allocation.command

Class MoveAllocationCommand

java.lang.Object

org.opensearch.cluster.routing.allocation.command.MoveAllocationCommand

All Implemented Interfaces:

AllocationCommand, NamedWriteable, Writeable, org.opensearch.common.xcontent.ToXContent, org.opensearch.common.xcontent.ToXContentObject

public class MoveAllocationCommand
extends Object
implements AllocationCommand

A command that moves a shard from a specific node to another node.
Note: The shard needs to be in the state ShardRoutingState.STARTED in order to be moved.

Opensearch.internal:

Nested Class Summary

Nested classes/interfaces inherited from interface org.opensearch.common.xcontent.ToXContent

org.opensearch.common.xcontent.ToXContent.DelegatingMapParams, org.opensearch.common.xcontent.ToXContent.MapParams, org.opensearch.common.xcontent.ToXContent.Params

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

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

Field Summary

Fields

Modifier and Type	Field	Description
static final org.opensearch.common.ParseField	COMMAND_NAME_FIELD
static final String	NAME

Fields inherited from interface org.opensearch.common.xcontent.ToXContent

EMPTY_PARAMS

Constructor Summary

Constructors

Constructor	Description
MoveAllocationCommand(String index, int shardId, String fromNode, String toNode)
MoveAllocationCommand(StreamInput in)	Read from a stream.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
RerouteExplanation	execute(RoutingAllocation allocation, boolean explain)	Executes the command on a RoutingAllocation setup
String	fromNode()
static MoveAllocationCommand	fromXContent(org.opensearch.common.xcontent.XContentParser parser)
int	hashCode()
String	index()
String	name()	Get the name of the command
int	shardId()
String	toNode()
org.opensearch.common.xcontent.XContentBuilder	toXContent(org.opensearch.common.xcontent.XContentBuilder builder, org.opensearch.common.xcontent.ToXContent.Params params)
void	writeTo(StreamOutput out)	Write this into the StreamOutput.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.opensearch.cluster.routing.allocation.command.AllocationCommand

getMessage, getWriteableName

Methods inherited from interface org.opensearch.common.xcontent.ToXContentObject

isFragment

Field Details

NAME

public static final String NAME

See Also:

• Constant Field Values

COMMAND_NAME_FIELD

public static final org.opensearch.common.ParseField COMMAND_NAME_FIELD

Constructor Details

MoveAllocationCommand

public MoveAllocationCommand(String index,
 int shardId,
 String fromNode,
 String toNode)

MoveAllocationCommand

public MoveAllocationCommand(StreamInput in)
                      throws IOException

Read from a stream.

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

name

public String name()

Description copied from interface: AllocationCommand

Get the name of the command

Specified by:

name in interface AllocationCommand

Returns:

name of the command

index

public String index()

shardId

public int shardId()

fromNode

public String fromNode()

toNode

public String toNode()

execute

public RerouteExplanation execute(RoutingAllocation allocation,
 boolean explain)

Description copied from interface: AllocationCommand

Executes the command on a RoutingAllocation setup

Specified by:

execute in interface AllocationCommand

Parameters:

allocation - RoutingAllocation to modify

toXContent

public org.opensearch.common.xcontent.XContentBuilder toXContent(org.opensearch.common.xcontent.XContentBuilder builder,
 org.opensearch.common.xcontent.ToXContent.Params params)
                                                          throws IOException

Specified by:

toXContent in interface org.opensearch.common.xcontent.ToXContent

Throws:

IOException

fromXContent

public static MoveAllocationCommand fromXContent(org.opensearch.common.xcontent.XContentParser parser)
                                          throws IOException

Throws:

IOException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object