Sets a lock on the underlying data source at the level indicated by datasource_lock. This should cause the SyncProvider to adjust its behavior by increasing or decreasing the level of optimism it provides for a successful synchronization.

Parameters:

datasource_lock one of the following constants indicating the severity level of data source lock required:
SyncProvider.DATASOURCE_NO_LOCK, SyncProvider.DATASOURCE_ROW_LOCK, SyncProvider.DATASOURCE_TABLE_LOCK, SyncProvider.DATASOURCE_DB_LOCK,

Exceptions:

SyncProviderException if an unsupported data source locking level is set.