| package org.onlab.onos.store.service; |
| |
| /** |
| * Service interface for mutual exclusion primitives. |
| */ |
| public interface LockService { |
| |
| /** |
| * Creates a new lock instance. |
| * A successful return from this method does not mean the resource guarded by the path is locked. |
| * The caller is expected to call Lock.lock() to acquire the lock. |
| * @param path unique lock name. |
| * @return a Lock instance that can be used to acquire the lock. |
| */ |
| Lock create(String path); |
| |
| /** |
| * Adds a listener to be notified of lock events. |
| * @param listener listener to be added. |
| */ |
| void addListener(LockEventListener listener); |
| |
| /** |
| * Removes a listener that was previously added. |
| * @param listener listener to be removed. |
| */ |
| void removeListener(LockEventListener listener); |
| } |