public class CoordActionStartXCommand extends CoordinatorXCommand<Void>
Modifier and Type | Field and Description |
---|---|
static String |
COULD_NOT_START |
static String |
EL_ERROR |
static String |
EL_EVAL_ERROR |
static String |
EXEC_DATA_MISSING |
static String |
OOZIE_COORD_ACTION_NOMINAL_TIME |
static String |
START_DATA_MISSING |
DEFAULT_LOCK_TIMEOUT, DEFAULT_REQUEUE_DELAY, dryrun, eventService, instrumentation, INSTRUMENTATION_GROUP, LOG
Constructor and Description |
---|
CoordActionStartXCommand(String id,
String user,
String appName,
String jobId) |
Modifier and Type | Method and Description |
---|---|
protected Void |
execute()
Command execution body.
|
String |
getEntityKey()
Return the entity key for the command.
|
String |
getKey()
Get command key
|
protected boolean |
isLockRequired()
Indicate if the the command requires locking.
|
protected void |
loadState()
Load the necessary state to perform the precondition check and to execute the command.
|
protected void |
setLogInfo()
Set the thread local logInfo with the context of this command and reset log prefix.
|
protected void |
verifyPrecondition()
Verify the precondition for the command after a lock has been obtain, just before executing the command.
|
generateEvent, generateEvent
call, eagerLoadState, eagerVerifyPrecondition, executeInterrupts, getCreatedTime, getInstrumentation, getLockTimeOut, getLog, getName, getPriority, getRequeueDelay, getType, inInterruptMode, isReQueueRequired, queue, queue, resetUsed, setInterruptMode, toString
public static final String EL_ERROR
public static final String EL_EVAL_ERROR
public static final String COULD_NOT_START
public static final String START_DATA_MISSING
public static final String EXEC_DATA_MISSING
public static final String OOZIE_COORD_ACTION_NOMINAL_TIME
public CoordActionStartXCommand(String id, String user, String appName, String jobId)
protected void setLogInfo()
XCommand
setLogInfo
in class XCommand<Void>
protected Void execute() throws CommandException
XCommand
This method will be invoked after the {link #loadState} and {link #verifyPrecondition} methods.
If the command requires locking, this method will be invoked ONLY if the lock has been acquired.
execute
in class XCommand<Void>
CommandException
- thrown if the command execution failed.public String getEntityKey()
XCommand
getEntityKey
in interface XCallable<Void>
getEntityKey
in class XCommand<Void>
protected boolean isLockRequired()
XCommand
Subclasses should override this method if they require locking.
isLockRequired
in class XCommand<Void>
true/false
protected void loadState() throws CommandException
XCommand
Subclasses must implement this method and load the state needed to do the precondition check and execute the command.
loadState
in class XCommand<Void>
CommandException
protected void verifyPrecondition() throws PreconditionException
XCommand
verifyPrecondition
in class XCommand<Void>
PreconditionException
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