Package org.apache.ignite.internal.processors.cache.distributed.dht.preloader

Class CacheGroupAffinityMessage

java.lang.Object

org.apache.ignite.internal.processors.cache.distributed.dht.preloader.CacheGroupAffinityMessage

All Implemented Interfaces:

Serializable, Message

public class CacheGroupAffinityMessage
extends Object
implements Message

Information about affinity assignment.

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.ignite.plugin.extensions.communication.Message

DIRECT_TYPE_SIZE

Constructor Summary

Constructors

Constructor	Description
CacheGroupAffinityMessage()

Method Summary

Modifier and Type	Method	Description
Map<Integer,GridLongList>	assignmentsDiff()
static Map<Integer,CacheGroupAffinityMessage>	createAffinityDiffMessages(Map<Integer,Map<Integer,List<Long>>> affDiff)
List<List<ClusterNode>>	createAssignments(Map<Long,ClusterNode> nodesByOrder, DiscoCache discoCache)
@Nullable List<List<ClusterNode>>	createIdealAssignments(Map<Long,ClusterNode> nodesByOrder, DiscoCache discoCache)
short	directType()	Gets message type.
byte	fieldsCount()	Gets fields count.
void	onAckReceived()	Method called when ack message received.
boolean	readFrom(ByteBuffer buf, MessageReader reader)	Reads this message from provided byte buffer.
static List<ClusterNode>	toNodes(GridLongList assign, Map<Long,ClusterNode> nodesByOrder, DiscoCache discoCache)
String	toString()
boolean	writeTo(ByteBuffer buf, MessageWriter writer)	Writes this message to provided byte buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheGroupAffinityMessage

public CacheGroupAffinityMessage()

Method Detail

createAffinityDiffMessages

public static Map<Integer,CacheGroupAffinityMessage> createAffinityDiffMessages(Map<Integer,Map<Integer,List<Long>>> affDiff)

Parameters:

affDiff - Affinity diff.

Returns:

Affinity diff messages.

toNodes

public static List<ClusterNode> toNodes(GridLongList assign,
                                        Map<Long,ClusterNode> nodesByOrder,
                                        DiscoCache discoCache)

Parameters:

assign - Nodes orders.

nodesByOrder - Nodes by order cache.

discoCache - Discovery data cache.

Returns:

Nodes list.

createIdealAssignments

@Nullable
public @Nullable List<List<ClusterNode>> createIdealAssignments(Map<Long,ClusterNode> nodesByOrder,
                                                                DiscoCache discoCache)

Parameters:

nodesByOrder - Nodes by order cache.

discoCache - Discovery data cache.

Returns:

Nodes list.

createAssignments

public List<List<ClusterNode>> createAssignments(Map<Long,ClusterNode> nodesByOrder,
                                                 DiscoCache discoCache)

Parameters:

nodesByOrder - Nodes by order cache.

discoCache - Discovery data cache.

Returns:

Assignments.

assignmentsDiff

public Map<Integer,GridLongList> assignmentsDiff()

Returns:

Difference with ideal affinity assignment.

writeTo

public boolean writeTo(ByteBuffer buf,
                       MessageWriter writer)

Writes this message to provided byte buffer.

Specified by:

writeTo in interface Message

Parameters:

buf - Byte buffer.

writer - Writer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf,
                        MessageReader reader)

Reads this message from provided byte buffer.

Specified by:

readFrom in interface Message

Parameters:

buf - Byte buffer.

reader - Reader.

Returns:

Whether message was fully read.

directType

public short directType()

Gets message type.

Specified by:

directType in interface Message

Returns:

Message type.

fieldsCount

public byte fieldsCount()

Gets fields count.

Specified by:

fieldsCount in interface Message

Returns:

Fields count.

onAckReceived

public void onAckReceived()

Method called when ack message received.

Specified by:

onAckReceived in interface Message

toString

public String toString()

Overrides:

toString in class Object