ojb.odmg.states
Class ModificationState

java.lang.Object
  |
  +--ojb.odmg.states.ModificationState

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

StateNewClean, StateNewDelete, StateNewDirty, StateOldClean, StateOldDelete, StateOldDirty

public abstract class ModificationState

extends java.lang.Object

implements java.io.Serializable

Describes an objects transactional state regarding commiting and rollbacking

See Also:

Serialized Form

Constructor Summary

ModificationState()

Method Summary

abstract void	checkpoint(ObjectEnvelope mod, PersistenceBroker broker) Method declaration
abstract void	commit(ObjectEnvelope mod, PersistenceBroker broker) Method declaration
abstract ModificationState	markClean() return resulting state after marking clean
abstract ModificationState	markDelete() return resulting state after marking delete
abstract ModificationState	markDirty() return resulting state after marking dirty
abstract ModificationState	markNew() return resulting state after marking new
abstract ModificationState	markOld() return resulting state after marking old
boolean	needsDelete() returns true is this state requires DELETE
boolean	needsInsert() returns true is this state requires INSERT
boolean	needsUpdate() returns true is this state requires UPDATE
protected void	removeFromCache(java.lang.Object objToBeRemoved, PersistenceBroker broker) remove Object from the ObjectCache
abstract void	rollback(ObjectEnvelope mod, PersistenceBroker broker) Method declaration
java.lang.String	toString() return a String representation

Methods inherited from class java.lang.Object

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

Constructor Detail

ModificationState

public ModificationState()

Method Detail

markClean

public abstract ModificationState markClean()

return resulting state after marking clean

markDelete

public abstract ModificationState markDelete()

return resulting state after marking delete

markDirty

public abstract ModificationState markDirty()

return resulting state after marking dirty

markNew

public abstract ModificationState markNew()

return resulting state after marking new

markOld

public abstract ModificationState markOld()

return resulting state after marking old

toString

public java.lang.String toString()

return a String representation

Overrides:

toString in class java.lang.Object

Returns:

java.lang.String

needsInsert

public boolean needsInsert()

returns true is this state requires INSERT

Returns:

boolean

needsUpdate

public boolean needsUpdate()

returns true is this state requires UPDATE

Returns:

boolean

needsDelete

public boolean needsDelete()

returns true is this state requires DELETE

Returns:

boolean

removeFromCache

protected void removeFromCache(java.lang.Object objToBeRemoved,
                               PersistenceBroker broker)

remove Object from the ObjectCache

checkpoint

public abstract void checkpoint(ObjectEnvelope mod,
                                PersistenceBroker broker)
                         throws PersistenceBrokerException

Method declaration

Parameters:

mod -

Throws:

PersistenceBrokerException

commit

public abstract void commit(ObjectEnvelope mod,
                            PersistenceBroker broker)
                     throws PersistenceBrokerException

Method declaration

Parameters:

mod -

Throws:

PersistenceBrokerException

rollback

public abstract void rollback(ObjectEnvelope mod,
                              PersistenceBroker broker)

Method declaration

Parameters:

mod -