org.inria.myriads.snoozenode.database.api.impl.memory

Class GroupLeaderMemoryRepository

java.lang.Object

org.inria.myriads.snoozenode.database.api.impl.memory.GroupLeaderMemoryRepository

All Implemented Interfaces:

GroupLeaderRepository

public final class GroupLeaderMemoryRepository
extends Object
implements GroupLeaderRepository

Group leader in-memory repository.

Author:

Eugen Feller

Constructor Summary

Constructors

Constructor and Description
GroupLeaderMemoryRepository(org.inria.myriads.snoozecommon.communication.groupmanager.GroupManagerDescription groupLeaderDescription, String[] virtualMachineSubnets, int maxCapacity) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	addGroupManagerDescription(org.inria.myriads.snoozecommon.communication.groupmanager.GroupManagerDescription groupManager) Adds a group manager description.
void	addGroupManagerSummaryInformation(String groupManagerId, org.inria.myriads.snoozecommon.communication.groupmanager.summary.GroupManagerSummaryInformation summary) Adds group manager data.
boolean	addIpAddress(String ipAddress) Adds an IP address based on a string.
boolean	dropGroupManager(String groupManagerId) Removes a group manager from the repository.
protected List<String>	generateAddressPool(String[] virtualMachineSubnets) Generates the address pool.
org.inria.myriads.snoozecommon.communication.localcontroller.AssignedGroupManager	getAssignedGroupManager(org.inria.myriads.snoozecommon.communication.NetworkAddress contactInformation) Gets the group manager assigned to the localcontroller identified by its contact information.
String	getFreeIpAddress() Returns a free IP address.
org.inria.myriads.snoozecommon.communication.groupmanager.GroupManagerDescription	getGroupManagerDescription(String groupManagerId, int numberOfBacklogEntries) Returns the group manager description.
ArrayList<org.inria.myriads.snoozecommon.communication.groupmanager.GroupManagerDescription>	getGroupManagerDescriptions(int numberOfBacklogEntries) Returns the group manager descriptions.
org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription	getLocalControllerDescription(String localControllerId) Gets the localController description.
ArrayList<org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription>	getLocalControllerList() Returns the local controllers list.
boolean	removeIpAddress(String ipAddress) Removes an IP address from the pool.
boolean	updateLocation(org.inria.myriads.snoozecommon.communication.virtualcluster.submission.VirtualMachineLocation location) Given a local controller location updates the location with the proper groupmanager.

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupLeaderMemoryRepository

public GroupLeaderMemoryRepository(org.inria.myriads.snoozecommon.communication.groupmanager.GroupManagerDescription groupLeaderDescription,
                           String[] virtualMachineSubnets,
                           int maxCapacity)

Constructor.

Parameters:

groupLeaderDescription -

virtualMachineSubnets - The virtual machine subnet

maxCapacity - The maximum capacity

Method Detail

generateAddressPool

protected List<String> generateAddressPool(String[] virtualMachineSubnets)

Generates the address pool.

Parameters:

virtualMachineSubnets - The virtual machine subnet

Returns:

The list of IP addresses

addIpAddress

public boolean addIpAddress(String ipAddress)

Adds an IP address based on a string.

Specified by:

addIpAddress in interface GroupLeaderRepository

Parameters:

ipAddress - The ip address

Returns:

true if released, false otherwise

removeIpAddress

public boolean removeIpAddress(String ipAddress)

Removes an IP address from the pool.

Specified by:

removeIpAddress in interface GroupLeaderRepository

Parameters:

ipAddress - The ip address

Returns:

true if removed, false otherwise

getFreeIpAddress

public String getFreeIpAddress()

Returns a free IP address.

Specified by:

getFreeIpAddress in interface GroupLeaderRepository

Returns:

The free ip address

addGroupManagerDescription

public boolean addGroupManagerDescription(org.inria.myriads.snoozecommon.communication.groupmanager.GroupManagerDescription groupManager)

Adds a group manager description.

Specified by:

addGroupManagerDescription in interface GroupLeaderRepository

Parameters:

groupManager - The group manager description

Returns:

true if everything ok, false otherwise

getGroupManagerDescriptions

public ArrayList<org.inria.myriads.snoozecommon.communication.groupmanager.GroupManagerDescription> getGroupManagerDescriptions(int numberOfBacklogEntries)

Returns the group manager descriptions.

Specified by:

getGroupManagerDescriptions in interface GroupLeaderRepository

Parameters:

numberOfBacklogEntries - The number of backlog entries

Returns:

The group manager descriptions

getGroupManagerDescription

public org.inria.myriads.snoozecommon.communication.groupmanager.GroupManagerDescription getGroupManagerDescription(String groupManagerId,
                                                                                                           int numberOfBacklogEntries)

Description copied from interface: GroupLeaderRepository

Returns the group manager description.

Specified by:

getGroupManagerDescription in interface GroupLeaderRepository

Parameters:

groupManagerId - The group manager id

numberOfBacklogEntries - The number of backlog entries

Returns:

The group manager description

addGroupManagerSummaryInformation

public void addGroupManagerSummaryInformation(String groupManagerId,
                                     org.inria.myriads.snoozecommon.communication.groupmanager.summary.GroupManagerSummaryInformation summary)

Adds group manager data.

Specified by:

addGroupManagerSummaryInformation in interface GroupLeaderRepository

Parameters:

groupManagerId - The group manager identifier

summary - The group manager data transporter

dropGroupManager

public boolean dropGroupManager(String groupManagerId)

Removes a group manager from the repository.

Specified by:

dropGroupManager in interface GroupLeaderRepository

Parameters:

groupManagerId - The group manager identifier

Returns:

true if everything ok, false otherwise

getLocalControllerList

public ArrayList<org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription> getLocalControllerList()

Returns the local controllers list.

Specified by:

getLocalControllerList in interface GroupLeaderRepository

Returns:

The local controllers list

getAssignedGroupManager

public org.inria.myriads.snoozecommon.communication.localcontroller.AssignedGroupManager getAssignedGroupManager(org.inria.myriads.snoozecommon.communication.NetworkAddress contactInformation)

Gets the group manager assigned to the localcontroller identified by its contact information.

Specified by:

getAssignedGroupManager in interface GroupLeaderRepository

Parameters:

contactInformation - the contact address/port of the local controller.

Returns:

The assigned group manager or null if none is found.

updateLocation

public boolean updateLocation(org.inria.myriads.snoozecommon.communication.virtualcluster.submission.VirtualMachineLocation location)

Description copied from interface: GroupLeaderRepository

Given a local controller location updates the location with the proper groupmanager.

Specified by:

updateLocation in interface GroupLeaderRepository

Parameters:

location - location.

Returns:

True if everything is ok.

getLocalControllerDescription

public org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription getLocalControllerDescription(String localControllerId)

Description copied from interface: GroupLeaderRepository

Gets the localController description.

Specified by:

getLocalControllerDescription in interface GroupLeaderRepository

Parameters:

localControllerId - Localcontroller Id.

Returns:

The local controller description.