| Package | Description | 
|---|---|
| org.quartz.impl.jdbcjobstore | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DBSemaphoreBase class for database based lock handlers for providing thread/resource locking 
 in order to protect resources from being altered by multiple threads at the 
 same time. | 
| class  | StdRowLockSemaphoreInternal database based lock handler for providing thread/resource locking 
 in order to protect resources from being altered by multiple threads at the 
 same time. | 
| class  | UpdateLockRowSemaphoreProvide thread/resource locking in order to protect
 resources from being altered by multiple threads at the same time using
 a db row update. | 
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