edu.umass.cs.reconfiguration.reconfigurationutils

Class DynamoReplicaCoordinator<NodeIDType>

java.lang.Object

edu.umass.cs.reconfiguration.AbstractReplicaCoordinator<NodeIDType>

edu.umass.cs.reconfiguration.reconfigurationutils.DynamoReplicaCoordinator<NodeIDType>

Type Parameters:

NodeIDType - FIXME: Incomplete. This class is unusable.

All Implemented Interfaces:

Application, AppRequestParser, AppRequestParserBytes, Replicable, Reconfigurable, ReplicaCoordinator<NodeIDType>, Repliconfigurable

public class DynamoReplicaCoordinator<NodeIDType>
extends AbstractReplicaCoordinator<NodeIDType>

Author:

arun

Field Summary

Fields inherited from class edu.umass.cs.reconfiguration.AbstractReplicaCoordinator

app, messenger

Constructor Summary

Constructors

Constructor and Description
DynamoReplicaCoordinator(Replicable app, NodeIDType myID, ConsistentNodeConfig<NodeIDType> nodeConfig, JSONMessenger<NodeIDType> messenger)

Method Summary

Modifier and Type	Method and Description
boolean	coordinateRequest(Request request, ExecutedCallback callback) Start of abstract methods
boolean	createReplicaGroup(java.lang.String serviceName, int epoch, java.lang.String state, java.util.Set<NodeIDType> nodes) This method should return true if the replica group is successfully created or one already exists with the same set of nodes.
boolean	deleteReplicaGroup(java.lang.String serviceName, int epoch) This method should result in all state corresponding to serviceName being deleted
java.util.Set<NodeIDType>	getReplicaGroup(java.lang.String serviceName) This method must return the replica group that was most recently successfully created for the serviceName using createReplicaGroup.
java.util.Set<IntegerPacketType>	getRequestTypes()
java.lang.String	toString()

Methods inherited from class edu.umass.cs.reconfiguration.AbstractReplicaCoordinator

callCallback, checkpoint, createReplicaGroup, deleteFinalState, execute, execute, execute, getAppRequestTypes, getARARNodesAsString, getARRCNodesAsString, getCallback, getCoordinatorRequestTypes, getEpoch, getFinalState, getMessenger, getMutualAuthAppRequestTypes, getMyID, getRequest, getRequest, getRequest, getStopRequest, handleIncoming, hasLargeCheckpoints, putInitialState, registerCoordination, restore, sendAllLazy, setCallback, setLargeCheckpoints, setMessenger, setStopCallback, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.umass.cs.gigapaxos.interfaces.AppRequestParser

getMutualAuthRequestTypes, getServerAuthRequestTypes

Constructor Detail

DynamoReplicaCoordinator

public DynamoReplicaCoordinator(Replicable app,
                                NodeIDType myID,
                                ConsistentNodeConfig<NodeIDType> nodeConfig,
                                JSONMessenger<NodeIDType> messenger)

Parameters:

app -

myID -

nodeConfig -

messenger -

Method Detail

getRequestTypes

public java.util.Set<IntegerPacketType> getRequestTypes()

Returns:

The set of request types that the application expects to process.

coordinateRequest

public boolean coordinateRequest(Request request,
                                 ExecutedCallback callback)
                          throws java.io.IOException,
                                 RequestParseException

Description copied from class: AbstractReplicaCoordinator

Start of abstract methods

Specified by:

coordinateRequest in interface ReplicaCoordinator<NodeIDType>

Specified by:

coordinateRequest in class AbstractReplicaCoordinator<NodeIDType>

Returns:

Success of coordination.

Throws:

java.io.IOException

RequestParseException

getReplicaGroup

public java.util.Set<NodeIDType> getReplicaGroup(java.lang.String serviceName)

Description copied from interface: ReplicaCoordinator

This method must return the replica group that was most recently successfully created for the serviceName using createReplicaGroup.

Specified by:

getReplicaGroup in interface ReplicaCoordinator<NodeIDType>

Specified by:

getReplicaGroup in class AbstractReplicaCoordinator<NodeIDType>

Returns:

Set of nodes in the replica group for serviceName.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

createReplicaGroup

public boolean createReplicaGroup(java.lang.String serviceName,
                                  int epoch,
                                  java.lang.String state,
                                  java.util.Set<NodeIDType> nodes)

Description copied from interface: ReplicaCoordinator

This method should return true if the replica group is successfully created or one already exists with the same set of nodes. It should return false otherwise.

Specified by:

createReplicaGroup in interface ReplicaCoordinator<NodeIDType>

Specified by:

createReplicaGroup in class AbstractReplicaCoordinator<NodeIDType>

Returns:

True if created successfully.

deleteReplicaGroup

public boolean deleteReplicaGroup(java.lang.String serviceName,
                                  int epoch)

Description copied from interface: ReplicaCoordinator

This method should result in all state corresponding to serviceName being deleted

Specified by:

deleteReplicaGroup in interface ReplicaCoordinator<NodeIDType>

Specified by:

deleteReplicaGroup in class AbstractReplicaCoordinator<NodeIDType>

Returns:

True if deleted without errors.