public class CoordActionInputCheckXCommand extends CoordinatorXCommand<Void>
Modifier and Type | Field and Description |
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static String |
CONF_COORD_INPUT_CHECK_REQUEUE_INTERVAL
Property name of command re-queue interval for coordinator action input check in
milliseconds.
|
static String |
CONF_COORD_INPUT_CHECK_REQUEUE_INTERVAL_ADDITIONAL_DELAY |
static String |
COORD_EXECUTION_NONE_TOLERANCE |
DEFAULT_LOCK_TIMEOUT, DEFAULT_REQUEUE_DELAY, dryrun, eventService, instrumentation, INSTRUMENTATION_GROUP, LOG
Constructor and Description |
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CoordActionInputCheckXCommand(String actionId,
String jobId) |
Modifier and Type | Method and Description |
---|---|
protected boolean |
checkResolvedInput(StringBuilder actionXml,
StringBuilder existList,
StringBuilder nonExistList,
org.apache.hadoop.conf.Configuration conf)
To check the list of input paths if all of them exist
|
protected boolean |
checkUnResolvedInput(CoordinatorActionBean coordAction,
StringBuilder actionXml,
org.apache.hadoop.conf.Configuration conf)
Check un resolved input.
|
protected boolean |
checkUnResolvedInput(StringBuilder actionXml,
org.apache.hadoop.conf.Configuration conf)
Check un resolved input.
|
protected Void |
execute()
Command execution body.
|
protected String |
getCoordActionErrorCode()
getting the error code of the coord action.
|
protected String |
getCoordActionErrorMsg()
getting the error message of the coord action.
|
long |
getCoordInputCheckRequeueInterval()
This function reads the value of re-queue interval for coordinator input
check command from the Oozie configuration provided by Configuration
Service.
|
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 COORD_EXECUTION_NONE_TOLERANCE
public static final String CONF_COORD_INPUT_CHECK_REQUEUE_INTERVAL
public static final String CONF_COORD_INPUT_CHECK_REQUEUE_INTERVAL_ADDITIONAL_DELAY
public CoordActionInputCheckXCommand(String actionId, 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 long getCoordInputCheckRequeueInterval()
protected boolean checkResolvedInput(StringBuilder actionXml, StringBuilder existList, StringBuilder nonExistList, org.apache.hadoop.conf.Configuration conf) throws Exception
actionXml
- action xmlexistList
- the list of existed pathsnonExistList
- the list of non existed pathsconf
- action configurationException
- thrown of unable to check input pathprotected boolean checkUnResolvedInput(CoordinatorActionBean coordAction, StringBuilder actionXml, org.apache.hadoop.conf.Configuration conf) throws Exception
coordAction
- the coord actionactionXml
- the action xmlconf
- the confException
- the exceptionprotected boolean checkUnResolvedInput(StringBuilder actionXml, org.apache.hadoop.conf.Configuration conf) throws Exception
actionXml
- the action xmlconf
- the confException
- the exceptionprotected String getCoordActionErrorCode()
protected String getCoordActionErrorMsg()
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 CommandException, PreconditionException
XCommand
verifyPrecondition
in class XCommand<Void>
CommandException
- thrown if the precondition is not met.PreconditionException
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