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

java.lang.Object
  org.inria.myriads.snoozenode.database.api.impl.GroupLeaderMemoryRepository

All Implemented Interfaces:

GroupLeaderRepository

public final class GroupLeaderMemoryRepository
extends Object
implements GroupLeaderRepository

Group leader in-memory repository.

Author:

Eugen Feller

Constructor Summary

GroupLeaderMemoryRepository(String virtualMachineSubnet, int maxCapacity)
Constructor.

Method Summary

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.
String	getFreeIpAddress() Returns a free IP address.
ArrayList<org.inria.myriads.snoozecommon.communication.groupmanager.GroupManagerDescription>	getGroupManagerDescriptions(int numberOfBacklogEntries) Returns the group manager descriptions.
int	getNumberOfFreeIpAddresses() Returns the number of free IP addresses.
boolean	removeIpAddress(String ipAddress) Removes an IP address from the pool.

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupLeaderMemoryRepository

public GroupLeaderMemoryRepository(String virtualMachineSubnet,
                                   int maxCapacity)

Constructor.

Parameters:

virtualMachineSubnet - The virtual machine subnet

maxCapacity - The maximum capacity

Method Detail

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

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

getNumberOfFreeIpAddresses

public int getNumberOfFreeIpAddresses()

Returns the number of free IP addresses.

Specified by:

getNumberOfFreeIpAddresses in interface GroupLeaderRepository

Returns:

The number of IP addresses