Package org.apache.jackrabbit.core.cluster

Interface LockEventChannel

public interface LockEventChannel

Event channel used to transmit lock events.

Method Summary

Modifier and Type	Method	Description
ClusterOperation	create(NodeId nodeId)	Create a new cluster operation that should be used to inform other instances in the cluster.
ClusterOperation	create(NodeId nodeId, boolean deep, String owner)	Create a new cluster operation that should be used to inform other instances in the cluster.
void	setListener(LockEventListener listener)	Set listener that will receive information about incoming, external lock events.

Method Detail

create

ClusterOperation create(NodeId nodeId,
                        boolean deep,
                        String owner)

Create a new cluster operation that should be used to inform other instances in the cluster. Called when a node is about to be locked.

Parameters:

nodeId - node id

deep - flag indicating whether lock is deep

owner - lock owner

Returns:

cluster operation or null if the cluster node is not started or some error occurs

create

ClusterOperation create(NodeId nodeId)

Create a new cluster operation that should be used to inform other instances in the cluster. Called when a node has been unlocked.

Parameters:

nodeId - node id

Returns:

cluster operation or null if the cluster node is not started or some error occurs

setListener

void setListener(LockEventListener listener)

Set listener that will receive information about incoming, external lock events.

Parameters:

listener - lock event listener