org.eclipse.emf.cdo.common.lock
Interface CDOLockChangeInfo

All Superinterfaces:

CDOBranchPoint

All Known Subinterfaces:

CDOSessionLocksChangedEvent, CDOViewLocksChangedEvent

public interface CDOLockChangeInfo

extends CDOBranchPoint

Represents a change in the lock state of a set of objects. Instances are meant to be sent from the server to the client for the purpose of notifying the latter.

Since:

4.1

No Implement

This interface is not intended to be implemented by clients.

No Extend

This interface is not intended to be extended by clients.

isInvalidateAll

boolean isInvalidateAll()

Returns:

true if this instance signals that all lockstates must be invalidated, false otherwise

getBranch

CDOBranch getBranch()

Description copied from interface: CDOBranchPoint

Returns the branch of this branch point, or null if this branch point is the base of the main branch.

Specified by:

getBranch in interface CDOBranchPoint

Returns:

The branch at which the lock changes took place, same as getView().getBranch().

getTimeStamp

long getTimeStamp()

Description copied from interface: CDOBranchPoint

Returns the time stamp of this branch point, or the fixed special time stamp unspecified if this branch point marks the head of a branch.

Specified by:

getTimeStamp in interface CDOBranchPoint

Returns:

The repository time at which the lock changes took place. This is only an informal indication; no formal relation (e.g. an ordering) with commit timestamps is guaranteed.

getLockOwner

CDOLockOwner getLockOwner()

Returns:

The view, represented as a CDOLockOwner, that authored the lock changes.

getLockStates

CDOLockState[] getLockStates()

Returns:

The new lock states of the objects that were affected by the change

getOperation

CDOLockChangeInfo.Operation getOperation()

Returns:

the type of lock operation that caused the lock changes

getLockType

IRWLockManager.LockType getLockType()

Returns:

the type of locks that were affected by the lock operation