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public interface CompatibilitySpace
This interface must be implemented by objects returned from
LockFactory.createCompatibilitySpace()
.
A CompatibilitySpace
can have an owner (for instance a
transaction). Currently, the owner is used by the virtual lock table to find
out which transaction a lock belongs to. Some parts of the code also use the
owner as a group object which guarantees that the lock is released on a
commit or an abort. The owner has no special meaning to the lock manager and
can be any object, including null
.
LockFactory.createCompatibilitySpace(org.apache.derby.iapi.services.locks.LockOwner)
Method Summary | |
---|---|
LockOwner |
getOwner()
Gets an object representing the owner of the compatibility space. |
Method Detail |
---|
LockOwner getOwner()
null
if no owner has been specified.
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