org.omegahat.Environment.Databases
Interface DatabaseNotifier

All Superinterfaces:

Activable, Database

All Known Implementing Classes:

ObjectDatabase

public interface DatabaseNotifier

extends Database

Interface defining methods an object should have to be a broadcaster of Omegahat Database events and also handle assignments and deletions.

See Also:

ObjectDatabase

Fields inherited from interface org.omegahat.Environment.Databases.Database

ALL, ASSIGN, ATTACH, DETACH, NULL_ENTRY, READ, READ_WRITE, REMOVE

Fields inherited from interface org.omegahat.Environment.Databases.Activable

ACTIVE, INACTIVE

Method Summary

boolean	addAssignListener(DatabaseAssignListener src)
boolean	addListener(int type, java.lang.Object src)
boolean	addRemoveListener(DatabaseRemoveListener src)
boolean	assign(java.lang.String name, java.lang.Object value, boolean notify)
java.lang.Object	remove(java.lang.String name, boolean notify)

Methods inherited from interface org.omegahat.Environment.Databases.Database

assign, attach, clear, detach, exists, get, getName, objects, remove, setName, size

Methods inherited from interface org.omegahat.Environment.Databases.Activable

getState, setState

Method Detail

addListener

public boolean addListener(int type,
                           java.lang.Object src)

addAssignListener

public boolean addAssignListener(DatabaseAssignListener src)

addRemoveListener

public boolean addRemoveListener(DatabaseRemoveListener src)

assign

public boolean assign(java.lang.String name,
                      java.lang.Object value,
                      boolean notify)
               throws java.lang.Throwable

remove

public java.lang.Object remove(java.lang.String name,
                               boolean notify)