com.f1j.mvc
Interface Model

All Known Subinterfaces:

Book

public interface Model

This is the base interface for a Model.

Method Summary

Group	getGroup() Returns the Group to which this Model belongs.
void	getLock() Acquires a lock for the group to which this Model belongs.
boolean	hasLock() Returns true if the current thread has acquired a lock for the group containing this Model.
void	releaseLock() Releases a lock previously acquired with the getLock() method.
void	rewindLock(int lockCount) Rewinds a lock after a call to the unwindlock method.
int	unwindLock() Unwinds a lock and returns the previous lock count.

Method Detail

getGroup

public Group getGroup()

Returns the Group to which this Model belongs.

Returns:

a Group object.

getLock

public void getLock()

Acquires a lock for the group to which this Model belongs.

See Also:

getLock(), hasLock(), releaseLock(), rewindLock(int), unwindLock()

hasLock

public boolean hasLock()

Returns true if the current thread has acquired a lock for the group containing this Model.

Returns:

boolean. true = the current thread has acquired a lock.

See Also:

getLock(), releaseLock(), rewindLock(int), unwindLock()

releaseLock

public void releaseLock()

Releases a lock previously acquired with the getLock() method.

See Also:

getLock(), hasLock(), rewindLock(int), unwindLock()

rewindLock

public void rewindLock(int lockCount)

Rewinds a lock after a call to the unwindlock method.

Parameters:

lockCount - the value returned by the unwindlock method.

See Also:

getLock(), hasLock(), releaseLock(), unwindLock()

unwindLock

public int unwindLock()

Unwinds a lock and returns the previous lock count. This lock count must be passed to the rewindLock method.

See Also:

getLock(), hasLock(), releaseLock(), rewindLock(int)