org.onosproject.store.primitives.impl

Class MutexExecutionManager

java.lang.Object

org.onosproject.store.primitives.impl.MutexExecutionManager

All Implemented Interfaces:

org.onosproject.store.service.MutexExecutionService

@Service
public class MutexExecutionManager
extends Object
implements org.onosproject.store.service.MutexExecutionService

Implementation of a MutexExecutionService.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.onosproject.cluster.ClusterService	clusterService
protected org.onosproject.cluster.NodeId	localNodeId
protected org.onosproject.store.service.ConsistentMap<String,org.onosproject.store.primitives.impl.MutexExecutionManager.MutexState>	lockMap
protected org.onosproject.store.service.StorageService	storageService

Constructor Summary

Constructors

Constructor and Description
MutexExecutionManager()

Method Summary

Modifier and Type	Method and Description
void	activate()
void	deactivate()
CompletableFuture<Void>	execute(org.onosproject.store.service.MutexTask task, String exclusionPath, Executor executor)
protected CompletableFuture<org.onosproject.store.primitives.impl.MutexExecutionManager.MutexState>	lock(String exclusionPath)
protected void	tryLock(String exclusionPath) Attempts to acquire lock for a path.
protected void	unlock(String exclusionPath) Releases lock for the specific path.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

lockMap

protected org.onosproject.store.service.ConsistentMap<String,org.onosproject.store.primitives.impl.MutexExecutionManager.MutexState> lockMap

localNodeId

protected org.onosproject.cluster.NodeId localNodeId

clusterService

@Reference(cardinality=MANDATORY_UNARY)
protected org.onosproject.cluster.ClusterService clusterService

storageService

@Reference(cardinality=MANDATORY_UNARY)
protected org.onosproject.store.service.StorageService storageService

Constructor Detail

MutexExecutionManager

public MutexExecutionManager()

Method Detail

activate

@Activate
public void activate()

deactivate

@Deactivate
public void deactivate()

execute

public CompletableFuture<Void> execute(org.onosproject.store.service.MutexTask task,
                                       String exclusionPath,
                                       Executor executor)

Specified by:

execute in interface org.onosproject.store.service.MutexExecutionService

lock

protected CompletableFuture<org.onosproject.store.primitives.impl.MutexExecutionManager.MutexState> lock(String exclusionPath)

tryLock

protected void tryLock(String exclusionPath)

Attempts to acquire lock for a path. If lock is held by some other node, adds this node to the wait list.

Parameters:

exclusionPath - exclusion path

unlock

protected void unlock(String exclusionPath)

Releases lock for the specific path. This operation is idempotent.

Parameters:

exclusionPath - exclusion path