Package org.eclipse.emf.cdo.common.lock
Interface CDOLockState
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- All Known Subinterfaces:
InternalCDOLockState
public interface CDOLockStateA 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
CDOLockOwnerwhich 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 Modifier and Type Field Description static intDEPTH_INFINITEstatic intDEPTH_NONE
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.ObjectgetLockedObject()Gets a unique identifier for the object that is locked; typically aCDOIDor aCDOIDAndBranch, depending on whether branching support is enabled or notjava.util.Set<CDOLockOwner>getReadLockOwners()CDOLockOwnergetWriteLockOwner()CDOLockOwnergetWriteOptionOwner()booleanisLocked(org.eclipse.net4j.util.concurrent.IRWLockManager.LockType lockType, CDOLockOwner lockOwner, boolean others)If the 'others' argument isfalse, this method returnstrueif this lock is currently held by the requesting CDOView,falseotherwise.
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Field Detail
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DEPTH_NONE
static final int DEPTH_NONE
- Since:
- 4.4
- See Also:
- Constant Field Values
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DEPTH_INFINITE
static final int DEPTH_INFINITE
- Since:
- 4.4
- See Also:
- Constant Field Values
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Method Detail
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getLockedObject
java.lang.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 lockType, CDOLockOwner lockOwner, 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.
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getReadLockOwners
java.util.Set<CDOLockOwner> getReadLockOwners()
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getWriteLockOwner
CDOLockOwner getWriteLockOwner()
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getWriteOptionOwner
CDOLockOwner getWriteOptionOwner()
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