Package org.eclipse.emf.cdo.common.lock
Interface CDOLockState
- All Superinterfaces:
CDOBranchProvider,CDOIDAndBranch,CDOIdentifiable
- All Known Subinterfaces:
InternalCDOLockState
- All Known Implementing Classes:
AbstractCDOLockState
A client-side representation of all the locks on a single CDOObject.
As an individual lock is always owned by view, which in turn is owned by a session, the methods on this interface
return instances of CDOLockOwner which carry that information.
- Since:
- 4.1
- Author:
- Caspar De Groot
- No Implement
- This interface is not intended to be implemented by clients.
- No Extend
- This interface is not intended to be extended by clients.
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Field Summary
Fields -
Method Summary
Modifier and TypeMethodDescriptionGets a unique identifier for the object that is locked; typically aCDOIDor aCDOIDAndBranch, depending on whether branching support is enabled or notbooleanisLocked(org.eclipse.net4j.util.concurrent.IRWLockManager.LockType type, CDOLockOwner by, boolean others) If the 'others' argument isfalse, this method returnstrueif this lock is currently held by the requesting CDOView,falseotherwise.Methods inherited from interface org.eclipse.emf.cdo.common.revision.CDOIDAndBranch
getBranchMethods inherited from interface org.eclipse.emf.cdo.common.id.CDOIdentifiable
getID
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Field Details
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DEPTH_NONE
static final int DEPTH_NONE- Since:
- 4.4
- See Also:
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DEPTH_INFINITE
static final int DEPTH_INFINITE- Since:
- 4.4
- See Also:
-
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Method Details
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getLockedObject
Object getLockedObject()Gets a unique identifier for the object that is locked; typically aCDOIDor aCDOIDAndBranch, depending on whether branching support is enabled or not- Returns:
- the identifier
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isLocked
boolean isLocked(org.eclipse.net4j.util.concurrent.IRWLockManager.LockType type, CDOLockOwner by, boolean others) If the 'others' argument isfalse, this method returnstrueif this lock is currently held by the requesting CDOView,falseotherwise.If the 'others' argument is
true, this method returnstrueif this lock is currently held by another view (i.e. any view different from the requesting one),falseotherwise. -
getReadLockOwners
Set<CDOLockOwner> getReadLockOwners() -
getWriteLockOwner
CDOLockOwner getWriteLockOwner() -
getWriteOptionOwner
CDOLockOwner getWriteOptionOwner()
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