org.neo4j.storageengine.api.lock

Interface ResourceLocker

public interface ResourceLocker

Field Summary

Fields

Modifier and Type	Field and Description
static ResourceLocker	NONE

Method Summary

Modifier and Type	Method and Description
void	acquireExclusive(org.neo4j.kernel.impl.locking.LockTracer tracer, ResourceType resourceType, long... resourceIds) Can be grabbed when no other client holds locks on the relevant resources.

Field Detail

NONE

static final ResourceLocker NONE

Method Detail

acquireExclusive

void acquireExclusive(org.neo4j.kernel.impl.locking.LockTracer tracer,
                      ResourceType resourceType,
                      long... resourceIds)
               throws AcquireLockTimeoutException

Can be grabbed when no other client holds locks on the relevant resources. No other clients can hold locks while one client holds an exclusive lock. If the lock cannot be acquired, behavior is specified by the WaitStrategy for the given ResourceType.

Parameters:

tracer -

resourceType - type or resource(s) to lock.

resourceIds - id(s) of resources to lock. Multiple ids should be ordered consistently by all callers

Throws:

AcquireLockTimeoutException