com.atlassian.bamboo.beehive

Interface ClusterLockBootstrapDao

All Superinterfaces:

com.atlassian.beehive.db.spi.ClusterLockDao

All Known Implementing Classes:

BambooClusterLockRawJdbcDao

@Internal
public interface ClusterLockBootstrapDao
extends com.atlassian.beehive.db.spi.ClusterLockDao

Specialised implementation of ClusterLockDao.

Method Summary

Modifier and Type	Method and Description
void	ensureClusterLockTableExists() Creates lock table if required.
boolean	tryUpdateAcquireNodeScopedLock(String lockName, String nodeId, long updateTime) Try to acquire an existing lock for the given node.

Methods inherited from interface com.atlassian.beehive.db.spi.ClusterLockDao

deleteLocksHeldByNode, getAllHeldClusterLocks, getClusterLockStatusByName, insertEmptyClusterLock, tryUpdateAcquireLock, unlock

Method Detail

ensureClusterLockTableExists

void ensureClusterLockTableExists()

Creates lock table if required.

tryUpdateAcquireNodeScopedLock

boolean tryUpdateAcquireNodeScopedLock(@NotNull
                                       String lockName,
                                       @NotNull
                                       String nodeId,
                                       long updateTime)

Try to acquire an existing lock for the given node. This method will succeed and will update the lock timestamp both when the lock has been just acquired by the node and when the lock is already owned by the current node. See also ClusterLockDao.tryUpdateAcquireLock(java.lang.String, java.lang.String, long)

Parameters:

lockName - name of the lock to acquire

nodeId - this node id

updateTime - time (in milliseconds) at which this update is made

Returns:

true if the lock has been acquired/updated successfully, false otherwise