org.sourceforge.jemm.client
Class RegistrationCache

java.lang.Object
  org.sourceforge.jemm.client.DelegatingDatabase
      org.sourceforge.jemm.client.RegistrationCache

All Implemented Interfaces:

Database

public class RegistrationCache
extends DelegatingDatabase
implements Database

An ObjectDatabase which caches calls to register and classinfo since they are effectively static for the lifetime of the client.

Author:

Paul Keeble

Constructor Summary

RegistrationCache(Database database)

Method Summary

int	cacheCount()
ClassInfo	getClassInfo(ClientId clientId, ClassId classId) Returns the class information for the given class id.
EnumInfo	getEnumInfo(ClientId clientId, EnumId enumId) Returns the information about the given enumeration.
ClassId	registerClass(ClientId clientId, ClassInfo classInfo) Register a user class.
EnumId	registerEnum(ClientId clientId, EnumInfo enumInfo) Register an enumerated type.

Methods inherited from class org.sourceforge.jemm.client.DelegatingDatabase

acquireLock, clientDisconnect, getDebugInterface, getObject, getRoot, newObject, processTypeRequest, referenceCleared, releaseLock, removeLockAcquiredListener, setClientLockAcquiredListener, setRoot, setRootIfNull, synchroniseObject

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.sourceforge.jemm.database.Database

acquireLock, clientDisconnect, getDebugInterface, getObject, getRoot, newObject, processTypeRequest, referenceCleared, releaseLock, removeLockAcquiredListener, setClientLockAcquiredListener, setRoot, setRootIfNull, synchroniseObject

Constructor Detail

RegistrationCache

public RegistrationCache(Database database)

Method Detail

registerClass

public ClassId registerClass(ClientId clientId,
                             ClassInfo classInfo)
                      throws StructureModifiedException

Description copied from interface: Database

Register a user class.

Specified by:

registerClass in interface Database

Overrides:

registerClass in class DelegatingDatabase

Parameters:

clientId - The registering client.

classInfo - The information about the loaded user class (name/fields).

Returns:

The class id of the registered class.

Throws:

StructureModifiedException - if the class has been modified and the Database does not accept the change

registerEnum

public EnumId registerEnum(ClientId clientId,
                           EnumInfo enumInfo)
                    throws StructureModifiedException

Description copied from interface: Database

Register an enumerated type.

Specified by:

registerEnum in interface Database

Overrides:

registerEnum in class DelegatingDatabase

Parameters:

clientId - The identity of the registering client.

enumInfo - The EnumInfo describing the enumerated type.

Returns:

Returns the id of the registered enum type.

Throws:

StructureModifiedException - If a modification to the enum is detected.

getClassInfo

public ClassInfo getClassInfo(ClientId clientId,
                              ClassId classId)

Description copied from interface: Database

Returns the class information for the given class id.

Specified by:

getClassInfo in interface Database

Overrides:

getClassInfo in class DelegatingDatabase

Parameters:

clientId - The id of the requesting client.

classId - The id of the held class.

Returns:

The class information for the held class.

getEnumInfo

public EnumInfo getEnumInfo(ClientId clientId,
                            EnumId enumId)

Description copied from interface: Database

Returns the information about the given enumeration.

Specified by:

getEnumInfo in interface Database

Overrides:

getEnumInfo in class DelegatingDatabase

Parameters:

clientId - The id of the requesting client.

enumId - The id of the enumerated type.

Returns:

The classname of the registered enum type.

cacheCount

public int cacheCount()