com.prosyst.mprm.backend.system

Interface SystemConfigInfo

public interface SystemConfigInfo

Provides information about the system identification and roles of the mPRM backend node. The information can be used by other bundles running in the same node framework. This interface is registered as OSGi service if & only if this host is in SystemState.CONFIGURED state.

See Also:

SystemObserver

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CACHES_SCALE_CONFIG_PID Configuration pid for configuring the the global scale of mPRM caches size.
static java.lang.String	CACHES_SIZE_SCALE The name of the configuration attribute which specifies the globaly configurable cache size.

Method Summary

Modifier and Type	Method and Description
boolean	amIControlCenter() Indicates whether this host is The Control Center of the mPRM system.
boolean	amIManagementServer() Indicates whether this host is granted a Management Server role.
boolean	amIRemoteAccessServer() Indicates whether this host is granted Remote Access Server role.
boolean	doIManage(java.lang.String context) Returns whether this Backend Server Host manages the supplied context.
java.lang.String	getContext() Returns the managed context of this Backend Server Host.
java.lang.String	getManagementServerId() Returns the indentificator of the Management Server this host participates in.
java.lang.String	getMyHostAddress() Returns the host of this Backend Server Host.
java.lang.String	getMyHostId() Returns the Host unique identificator within a mPRM system.
java.lang.String	getMyPort() Returns the port of this Backend Server Host.
java.lang.String	getSystemId() Returns the unigue mPRM system identificator of the host.
java.lang.String	getSystemVersion() Returns the system version of the host.

Field Detail

CACHES_SCALE_CONFIG_PID

static final java.lang.String CACHES_SCALE_CONFIG_PID

Configuration pid for configuring the the global scale of mPRM caches size. Every component which caches data can register org.osgi.service.cm.ManagedService service with registration property service.pid=CACHES_SCALE_CONFIG_PID to make its cache size configurable in a common way.

See Also:

Constant Field Values

CACHES_SIZE_SCALE

static final java.lang.String CACHES_SIZE_SCALE

The name of the configuration attribute which specifies the globaly configurable cache size. The value of this attribute is a positive integer reperenting persents (%) of the default cache size of every mPRM cache.

See Also:

Constant Field Values

Method Detail

getSystemId

java.lang.String getSystemId()

Returns the unigue mPRM system identificator of the host. Hosts within the same mPRM system should return the same value & none other host should.

Returns:

The unique identifier of the mPRM system this host participates in.

getSystemVersion

java.lang.String getSystemVersion()

Returns the system version of the host. Coincides with the version of the installed System package.

Returns:

the version of the host.

amIControlCenter

boolean amIControlCenter()

Indicates whether this host is The Control Center of the mPRM system. Note: There is exactly one Control Center within every mPRM system.

Returns:

Whether this host is Control Center.

amIManagementServer

boolean amIManagementServer()

Indicates whether this host is granted a Management Server role.

Returns:

Whether this host is Management Server.

amIRemoteAccessServer

boolean amIRemoteAccessServer()

Indicates whether this host is granted Remote Access Server role.

Returns:

Whether this host is Remote Access Server.

getMyHostId

java.lang.String getMyHostId()

Returns the Host unique identificator within a mPRM system.

Returns:

the unique identifier of the host. Must not be null.

getMyHostAddress

java.lang.String getMyHostAddress()

Returns the host of this Backend Server Host.

Returns:

the host address this backend node can be contacted.

getMyPort

java.lang.String getMyPort()

Returns the port of this Backend Server Host.

Returns:

the port this backend node can be contacted.

getManagementServerId

java.lang.String getManagementServerId()

Returns the indentificator of the Management Server this host participates in.

Returns:

The identificator string of the Management Server. null if not a Management Server.

doIManage

boolean doIManage(java.lang.String context)

Returns whether this Backend Server Host manages the supplied context. If not participant in a Management Server false is returned.

Parameters:

context - the path of a tree node

Returns:

true if the host is a Management Server and is responsible for the supplied sub-tree false otherwise.

getContext

java.lang.String getContext()

Returns the managed context of this Backend Server Host. If this host is not participant in a Management Server null is returned.

Returns:

the full path of the group identifing a sub-tree this Management Server manages.