org.quartz.impl.jdbcjobstore
Class StdRowLockSemaphore
java.lang.Object
org.quartz.impl.jdbcjobstore.DBSemaphore
org.quartz.impl.jdbcjobstore.StdRowLockSemaphore
- All Implemented Interfaces:
- Constants, Semaphore, StdJDBCConstants, TablePrefixAware
public class StdRowLockSemaphore
- extends DBSemaphore
Internal database based lock handler for providing thread/resource locking
in order to protect resources from being altered by multiple threads at the
same time.
- Author:
- jhouse
| Fields inherited from interface org.quartz.impl.jdbcjobstore.StdJDBCConstants |
COUNT_MISFIRED_TRIGGERS_IN_STATE, DELETE_ALL_BLOB_TRIGGERS, DELETE_ALL_CALENDARS, DELETE_ALL_CRON_TRIGGERS, DELETE_ALL_JOB_DETAILS, DELETE_ALL_PAUSED_TRIGGER_GRPS, DELETE_ALL_SIMPLE_TRIGGERS, DELETE_ALL_SIMPROP_TRIGGERS, DELETE_ALL_TRIGGERS, DELETE_BLOB_TRIGGER, DELETE_CALENDAR, DELETE_CRON_TRIGGER, DELETE_FIRED_TRIGGER, DELETE_FIRED_TRIGGERS, DELETE_INSTANCES_FIRED_TRIGGERS, DELETE_JOB_DETAIL, DELETE_NO_RECOVERY_FIRED_TRIGGERS, DELETE_PAUSED_TRIGGER_GROUP, DELETE_PAUSED_TRIGGER_GROUPS, DELETE_SCHEDULER_STATE, DELETE_SIMPLE_TRIGGER, DELETE_TRIGGER, INSERT_BLOB_TRIGGER, INSERT_CALENDAR, INSERT_CRON_TRIGGER, INSERT_FIRED_TRIGGER, INSERT_JOB_DETAIL, INSERT_PAUSED_TRIGGER_GROUP, INSERT_SCHEDULER_STATE, INSERT_SIMPLE_TRIGGER, INSERT_TRIGGER, SCHED_NAME_SUBST, SELECT_BLOB_TRIGGER, SELECT_CALENDAR, SELECT_CALENDAR_EXISTENCE, SELECT_CALENDARS, SELECT_CRON_TRIGGER, SELECT_FIRED_TRIGGER, SELECT_FIRED_TRIGGER_GROUP, SELECT_FIRED_TRIGGER_INSTANCE_NAMES, SELECT_FIRED_TRIGGERS, SELECT_FIRED_TRIGGERS_OF_JOB, SELECT_FIRED_TRIGGERS_OF_JOB_GROUP, SELECT_HAS_MISFIRED_TRIGGERS_IN_STATE, SELECT_INSTANCES_FIRED_TRIGGERS, SELECT_INSTANCES_RECOVERABLE_FIRED_TRIGGERS, SELECT_JOB_DETAIL, SELECT_JOB_EXECUTION_COUNT, SELECT_JOB_EXISTENCE, SELECT_JOB_FOR_TRIGGER, SELECT_JOB_GROUPS, SELECT_JOB_NONCONCURRENT, SELECT_JOBS_IN_GROUP, SELECT_MISFIRED_TRIGGERS, SELECT_MISFIRED_TRIGGERS_IN_GROUP_IN_STATE, SELECT_MISFIRED_TRIGGERS_IN_STATE, SELECT_NEXT_FIRE_TIME, SELECT_NEXT_TRIGGER_TO_ACQUIRE, SELECT_NUM_CALENDARS, SELECT_NUM_JOBS, SELECT_NUM_TRIGGERS, SELECT_NUM_TRIGGERS_FOR_JOB, SELECT_NUM_TRIGGERS_IN_GROUP, SELECT_PAUSED_TRIGGER_GROUP, SELECT_PAUSED_TRIGGER_GROUPS, SELECT_REFERENCED_CALENDAR, SELECT_SCHEDULER_STATE, SELECT_SCHEDULER_STATES, SELECT_SIMPLE_TRIGGER, SELECT_TRIGGER, SELECT_TRIGGER_DATA, SELECT_TRIGGER_EXISTENCE, SELECT_TRIGGER_FOR_FIRE_TIME, SELECT_TRIGGER_GROUPS, SELECT_TRIGGER_GROUPS_FILTERED, SELECT_TRIGGER_STATE, SELECT_TRIGGER_STATUS, SELECT_TRIGGERS_FOR_CALENDAR, SELECT_TRIGGERS_FOR_JOB, SELECT_TRIGGERS_IN_GROUP, SELECT_TRIGGERS_IN_STATE, TABLE_PREFIX_SUBST, UPDATE_BLOB_TRIGGER, UPDATE_CALENDAR, UPDATE_CRON_TRIGGER, UPDATE_FIRED_TRIGGER, UPDATE_INSTANCES_FIRED_TRIGGER_STATE, UPDATE_JOB_DATA, UPDATE_JOB_DETAIL, UPDATE_JOB_TRIGGER_STATES, UPDATE_JOB_TRIGGER_STATES_FROM_OTHER_STATE, UPDATE_SCHEDULER_STATE, UPDATE_SIMPLE_TRIGGER, UPDATE_TRIGGER, UPDATE_TRIGGER_GROUP_STATE_FROM_STATE, UPDATE_TRIGGER_GROUP_STATE_FROM_STATES, UPDATE_TRIGGER_SKIP_DATA, UPDATE_TRIGGER_STATE, UPDATE_TRIGGER_STATE_FROM_STATE, UPDATE_TRIGGER_STATE_FROM_STATES, UPDATE_TRIGGER_STATES_FROM_OTHER_STATES |
| Fields inherited from interface org.quartz.impl.jdbcjobstore.Constants |
ALIAS_COL_NEXT_FIRE_TIME, ALL_GROUPS_PAUSED, COL_BLOB, COL_CALENDAR, COL_CALENDAR_NAME, COL_CHECKIN_INTERVAL, COL_CRON_EXPRESSION, COL_DESCRIPTION, COL_END_TIME, COL_ENTRY_ID, COL_ENTRY_STATE, COL_FIRED_TIME, COL_INSTANCE_NAME, COL_IS_DURABLE, COL_IS_NONCONCURRENT, COL_IS_UPDATE_DATA, COL_IS_VOLATILE, COL_JOB_CLASS, COL_JOB_DATAMAP, COL_JOB_GROUP, COL_JOB_NAME, COL_LAST_CHECKIN_TIME, COL_LOCK_NAME, COL_MISFIRE_INSTRUCTION, COL_NEXT_FIRE_TIME, COL_PREV_FIRE_TIME, COL_PRIORITY, COL_REPEAT_COUNT, COL_REPEAT_INTERVAL, COL_REQUESTS_RECOVERY, COL_SCHEDULER_NAME, COL_START_TIME, COL_TIME_ZONE_ID, COL_TIMES_TRIGGERED, COL_TRIGGER_GROUP, COL_TRIGGER_NAME, COL_TRIGGER_STATE, COL_TRIGGER_TYPE, DEFAULT_TABLE_PREFIX, STATE_ACQUIRED, STATE_BLOCKED, STATE_COMPLETE, STATE_DELETED, STATE_ERROR, STATE_EXECUTING, STATE_MISFIRED, STATE_PAUSED, STATE_PAUSED_BLOCKED, STATE_WAITING, TABLE_BLOB_TRIGGERS, TABLE_CALENDARS, TABLE_CRON_TRIGGERS, TABLE_FIRED_TRIGGERS, TABLE_JOB_DETAILS, TABLE_LOCKS, TABLE_PAUSED_TRIGGERS, TABLE_SCHEDULER_STATE, TABLE_SIMPLE_TRIGGERS, TABLE_TRIGGERS, TTYPE_BLOB, TTYPE_CAL_INT, TTYPE_CRON, TTYPE_SIMPLE |
| Methods inherited from class org.quartz.impl.jdbcjobstore.DBSemaphore |
getLog, getSchedName, getSchedulerNameLiteral, getSQL, getTablePrefix, isLockOwner, obtainLock, releaseLock, requiresConnection, setInsertSQL, setSchedName, setSQL, setTablePrefix |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
SELECT_FOR_LOCK
public static final String SELECT_FOR_LOCK
- See Also:
- Constant Field Values
INSERT_LOCK
public static final String INSERT_LOCK
- See Also:
- Constant Field Values
StdRowLockSemaphore
public StdRowLockSemaphore(String tablePrefix,
String schedName,
String selectWithLockSQL)
executeSQL
protected void executeSQL(Connection conn,
String lockName,
String expandedSQL,
String expandedInsertSQL)
throws LockException
- Execute the SQL select for update that will lock the proper database row.
- Specified by:
executeSQL in class DBSemaphore
- Throws:
LockException
getSelectWithLockSQL
protected String getSelectWithLockSQL()
setSelectWithLockSQL
public void setSelectWithLockSQL(String selectWithLockSQL)
Copyright 2001-2011,
Terracotta, Inc.