org.apache.oozie.command.wf
Class WfEndCommand
java.lang.Object
org.apache.oozie.command.Command<T,WorkflowStore>
org.apache.oozie.command.wf.WorkflowCommand<Void>
org.apache.oozie.command.wf.WfEndCommand
- All Implemented Interfaces:
- Callable<Void>, XCallable<Void>
public class WfEndCommand
- extends WorkflowCommand<Void>
This Command is expected to be called when a Workflow moves to any terminal
state ( such as SUCCEEDED, KILLED, FAILED). This class primarily removes the
temporary directory created for specific workflow id
Method Summary |
protected Void |
call(WorkflowStore store)
DagCallable subclasses must implement this method to perform their task. |
protected org.apache.hadoop.fs.FileSystem |
getAppFileSystem(org.apache.oozie.client.WorkflowJob workflow)
|
Methods inherited from class org.apache.oozie.command.Command |
call, execute, getCreatedTime, getInstrumentation, getName, getPriority, getType, incrCommandCounter, incrJobCounter, incrJobCounter, lock, logQueueCallableFalse, queueCallable, queueCallable, queueCallable, queueCallableForException, resetLogInfoAction, resetLogInfoWorkflow, setLogInfo, setLogInfo, setLogInfo, setLogInfo, toString |
WfEndCommand
public WfEndCommand(String id)
call
protected Void call(WorkflowStore store)
throws StoreException,
CommandException
- Description copied from class:
Command
- DagCallable subclasses must implement this method to perform their task. The workflow store works in
transactional mode. The transaction is committed only if this method ends successfully. Otherwise the transaction
is rolledback.
- Specified by:
call
in class Command<Void,WorkflowStore>
- Parameters:
store
- the workflow store instance for the callable, null
if the callable does not use a
store.
- Returns:
- the return value of the callable.
- Throws:
StoreException
- thrown if the workflow store could not perform an operation.
CommandException
- thrown if the command could not perform its operation.
getAppFileSystem
protected org.apache.hadoop.fs.FileSystem getAppFileSystem(org.apache.oozie.client.WorkflowJob workflow)
throws HadoopAccessorException,
IOException,
URISyntaxException
- Throws:
HadoopAccessorException
IOException
URISyntaxException
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