edu.umass.cs.reconfiguration.reconfigurationutils

Class SimpleReconfiguratorNodeConfig<NodeIDType>

java.lang.Object

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

Type Parameters:

NodeIDType - The point of this class is to retain the supplied nodeConfig only for actives so that the supplier can change them at will. We make a separate copy of the reconfigurators as they have to be changed carefully. As the purpose of this class is also to serve as the "underlying" node config to ConsistentNodeConfig, we allow getNodeIDs() to be called here.

All Implemented Interfaces:

NodeConfig<NodeIDType>, Stringifiable<NodeIDType>, ModifiableActiveConfig<NodeIDType>, ModifiableRCConfig<NodeIDType>, ModifiableReconfigurableNodeConfig<NodeIDType>, ReconfigurableNodeConfig<NodeIDType>

public class SimpleReconfiguratorNodeConfig<NodeIDType>
extends java.lang.Object
implements ModifiableReconfigurableNodeConfig<NodeIDType>

Author:

arun

Constructor Summary

Constructors

Constructor and Description
SimpleReconfiguratorNodeConfig(ReconfigurableNodeConfig<NodeIDType> nc)

Method Summary

Modifier and Type	Method and Description
java.net.InetSocketAddress	addActiveReplica(NodeIDType id, java.net.InetSocketAddress sockAddr)
java.net.InetSocketAddress	addReconfigurator(NodeIDType id, java.net.InetSocketAddress sockAddr)
java.util.Set<NodeIDType>	getActiveReplicas()
java.net.InetAddress	getBindAddress(NodeIDType id)
java.net.InetAddress	getNodeAddress(NodeIDType id)
java.util.Set<NodeIDType>	getNodeIDs()
int	getNodePort(NodeIDType id)
java.util.Set<NodeIDType>	getReconfigurators()
java.util.Set<NodeIDType>	getValuesFromJSONArray(org.json.JSONArray array)
java.util.Set<NodeIDType>	getValuesFromStringSet(java.util.Set<java.lang.String> strNodes) Converts a set of string node ids using valueOf.
long	getVersion() Unused.
boolean	nodeExists(NodeIDType id)
java.net.InetSocketAddress	removeActiveReplica(NodeIDType id)
java.net.InetSocketAddress	removeReconfigurator(NodeIDType id)
NodeIDType	valueOf(java.lang.String strValue) Converts a string representation of a node id into the appropriate node id type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.umass.cs.reconfiguration.interfaces.ModifiableActiveConfig

getActiveReplicasMap

Methods inherited from interface edu.umass.cs.reconfiguration.interfaces.ReconfigurableNodeConfig

getActiveReplicasReadOnly, getReconfiguratorsReadOnly

Constructor Detail

SimpleReconfiguratorNodeConfig

public SimpleReconfiguratorNodeConfig(ReconfigurableNodeConfig<NodeIDType> nc)

Parameters:

nc -

Method Detail

getActiveReplicas

public java.util.Set<NodeIDType> getActiveReplicas()

Specified by:

getActiveReplicas in interface ReconfigurableNodeConfig<NodeIDType>

Returns:

Set of all active replicas.

getReconfigurators

public java.util.Set<NodeIDType> getReconfigurators()

Specified by:

getReconfigurators in interface ReconfigurableNodeConfig<NodeIDType>

Returns:

Set of all reconfigurators.

nodeExists

public boolean nodeExists(NodeIDType id)

Specified by:

nodeExists in interface NodeConfig<NodeIDType>

Returns:

Whether the node id exists in the node config.

getNodeAddress

public java.net.InetAddress getNodeAddress(NodeIDType id)

Specified by:

getNodeAddress in interface NodeConfig<NodeIDType>

Returns:

InetAddress corresponding to id.

getBindAddress

public java.net.InetAddress getBindAddress(NodeIDType id)

Specified by:

getBindAddress in interface NodeConfig<NodeIDType>

Returns:

Locally bindable InetAddress corresponding to id.

getNodePort

public int getNodePort(NodeIDType id)

Specified by:

getNodePort in interface NodeConfig<NodeIDType>

Returns:

Port number corresponding to id.

getNodeIDs

public java.util.Set<NodeIDType> getNodeIDs()

Specified by:

getNodeIDs in interface NodeConfig<NodeIDType>

Returns:

Set of all node IDs. Avoid using this method or at least avoid reusing the result of this method if the underlying set of nodes can change.

valueOf

public NodeIDType valueOf(java.lang.String strValue)

Description copied from interface: Stringifiable

Converts a string representation of a node id into the appropriate node id type. Put another way, this performs the reverse of the toString() method for things that are Stringifiable.

Specified by:

valueOf in interface Stringifiable<NodeIDType>

Returns:

Returns the object constructed from strValue.

getValuesFromStringSet

public java.util.Set<NodeIDType> getValuesFromStringSet(java.util.Set<java.lang.String> strNodes)

Description copied from interface: Stringifiable

Converts a set of string node ids using valueOf.

Specified by:

getValuesFromStringSet in interface Stringifiable<NodeIDType>

Returns:

Returns an ObjectType set constructed from a String set.

getValuesFromJSONArray

public java.util.Set<NodeIDType> getValuesFromJSONArray(org.json.JSONArray array)
                                                 throws org.json.JSONException

Specified by:

getValuesFromJSONArray in interface Stringifiable<NodeIDType>

Returns:

Returns an ObjectType set constructed from a JSONObject array.

Throws:

org.json.JSONException

getVersion

public long getVersion()

Description copied from interface: ModifiableActiveConfig

Unused.

Specified by:

getVersion in interface ModifiableActiveConfig<NodeIDType>

Returns:

Version number of node config.

addReconfigurator

public java.net.InetSocketAddress addReconfigurator(NodeIDType id,
                                                    java.net.InetSocketAddress sockAddr)

Specified by:

addReconfigurator in interface ModifiableRCConfig<NodeIDType>

Returns:

Socket address of previous mapping if any. FIXME: We really shouldn't be allowing remapping via an add method.

removeReconfigurator

public java.net.InetSocketAddress removeReconfigurator(NodeIDType id)

Specified by:

removeReconfigurator in interface ModifiableRCConfig<NodeIDType>

Returns:

Socket address to which id was mapped.

addActiveReplica

public java.net.InetSocketAddress addActiveReplica(NodeIDType id,
                                                   java.net.InetSocketAddress sockAddr)

Specified by:

addActiveReplica in interface ModifiableActiveConfig<NodeIDType>

Returns:

Socket address previously mapped to this id. But we really should not allow mappings to be changed via an add method.

removeActiveReplica

public java.net.InetSocketAddress removeActiveReplica(NodeIDType id)

Specified by:

removeActiveReplica in interface ModifiableActiveConfig<NodeIDType>

Returns:

Socket address to which id was mapped.