org.apache.oozie.command.wf

Class SubmitHttpXCommand

java.lang.Object

org.apache.oozie.command.XCommand<T>

org.apache.oozie.command.wf.WorkflowXCommand<String>

org.apache.oozie.command.wf.SubmitHttpXCommand

All Implemented Interfaces:

Callable<String>, XCallable<String>

Direct Known Subclasses:

SubmitMRXCommand, SubmitScriptLanguageXCommand, SubmitSqoopXCommand

public abstract class SubmitHttpXCommand
extends WorkflowXCommand<String>

Field Summary

Fields inherited from class org.apache.oozie.command.wf.WorkflowXCommand

INSTR_FAILED_JOBS_COUNTER_NAME, INSTR_KILLED_JOBS_COUNTER_NAME, INSTR_SUCCEEDED_JOBS_COUNTER_NAME, KEEP_WF_ACTION_DIR

Fields inherited from class org.apache.oozie.command.XCommand

DEFAULT_LOCK_TIMEOUT, DEFAULT_REQUEUE_DELAY, dryrun, eventService, instrumentation, INSTRUMENTATION_GROUP, LOG

Constructor Summary

Constructors

Constructor and Description
SubmitHttpXCommand(String name, String type, org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method and Description
protected void	checkMandatoryConf(org.apache.hadoop.conf.Configuration conf)
protected String	execute() Command execution body.
protected org.jdom.Element	generateConfigurationSection(List<String> Dargs, org.jdom.Namespace ns)
protected abstract org.jdom.Element	generateSection(org.apache.hadoop.conf.Configuration conf, org.jdom.Namespace ns)
protected abstract org.jdom.Namespace	getSectionNamespace()
protected abstract String	getWorkflowName()
protected org.jdom.Namespace	getWorkflowNamespace()
protected String	getWorkflowXml(org.apache.hadoop.conf.Configuration conf) Generate workflow xml from conf object

Methods inherited from class org.apache.oozie.command.wf.WorkflowXCommand

generateEvent, generateEvent, generateEvent, updateParentIfNecessary, updateParentIfNecessary

Methods inherited from class org.apache.oozie.command.XCommand

call, eagerLoadState, eagerVerifyPrecondition, executeInterrupts, getCreatedTime, getEntityKey, getInstrumentation, getKey, getLockTimeOut, getLog, getName, getPriority, getRequeueDelay, getType, inInterruptMode, isLockRequired, isReQueueRequired, loadState, queue, queue, resetUsed, setInterruptMode, setLogInfo, toString, verifyPrecondition

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SubmitHttpXCommand

public SubmitHttpXCommand(String name,
                          String type,
                          org.apache.hadoop.conf.Configuration conf)

Method Detail

generateSection

protected abstract org.jdom.Element generateSection(org.apache.hadoop.conf.Configuration conf,
                                                    org.jdom.Namespace ns)

getSectionNamespace

protected abstract org.jdom.Namespace getSectionNamespace()

getWorkflowName

protected abstract String getWorkflowName()

checkMandatoryConf

protected void checkMandatoryConf(org.apache.hadoop.conf.Configuration conf)

getWorkflowNamespace

protected org.jdom.Namespace getWorkflowNamespace()

getWorkflowXml

protected String getWorkflowXml(org.apache.hadoop.conf.Configuration conf)

Generate workflow xml from conf object

Parameters:

conf - the configuration object

Returns:

workflow xml def string representation

generateConfigurationSection

protected org.jdom.Element generateConfigurationSection(List<String> Dargs,
                                                        org.jdom.Namespace ns)

execute

protected String execute()
                  throws CommandException

Description copied from class: XCommand

Command execution body.

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.

Specified by:

execute in class XCommand<String>

Returns:

a return value from the execution of the command, only meaningful if the command is executed synchronously.

Throws:

CommandException - thrown if the command execution failed.