org.apache.oozie.store

Class WorkflowStore

java.lang.Object

org.apache.oozie.store.Store

org.apache.oozie.store.WorkflowStore

public class WorkflowStore
extends Store

DB Implementation of Workflow Store

Field Summary

Fields

Modifier and Type	Field and Description
static int	LOCK_TIMEOUT

Constructor Summary

Constructors

Constructor and Description
WorkflowStore()
WorkflowStore(boolean selectForUpdate)
WorkflowStore(Connection connection, boolean selectForUpdate)
WorkflowStore(Connection connection, Store store, boolean selectForUpdate)
WorkflowStore(Store store, boolean selectForUpdate)

Method Summary

Methods

Modifier and Type	Method and Description
void	deleteAction(String id) Delete the Action with given id.
WorkflowActionBean	getAction(String id, boolean locking) Load the action data and returns a bean.
List<WorkflowActionBean>	getActionsForWorkflow(String wfId, boolean locking) Loads all the actions for the given Workflow.
List<WorkflowActionBean>	getActionsSubsetForWorkflow(String wfId, int start, int len) Loads given number of actions for the given Workflow.
List<WorkflowActionBean>	getPendingActions(long minimumPendingAgeSecs) Load All the actions that are pending for more than given time.
List<WorkflowActionBean>	getRetryAndManualActions(String wfId) Load All the actions that are START_RETRY or START_MANUAL or END_RETRY or END_MANUAL.
List<WorkflowActionBean>	getRunningActions(long checkAgeSecs) Load All the actions that are running and were last checked after now - miminumCheckAgeSecs
WorkflowJobBean	getWorkflow(String id, boolean locking) Load the Workflow into a Bean and return it.
int	getWorkflowCountWithStatus(String status) Get the number of Workflows with the given status.
int	getWorkflowCountWithStatusInLastNSeconds(String status, int secs) Get the number of Workflows with the given status which was modified in given time limit.
String	getWorkflowIdForExternalId(String externalId) Get the Workflow ID with given external ID which will be assigned for the subworkflows.
WorkflowJobBean	getWorkflowInfo(String id) Load the Workflow and all Action details and return a WorkflowJobBean.
WorkflowJobBean	getWorkflowInfoWithActionsSubset(String id, int start, int len) Load the Workflow and subset Actions details and return a WorkflowJobBean.
WorkflowsInfo	getWorkflowsInfo(Map<String,List<String>> filter, int start, int len) Loads all the jobs that are satisfying the given filter condition.
void	insertAction(WorkflowActionBean action) Create a new Action record in the ACTIONS table with the given Bean.
void	insertWorkflow(WorkflowJobBean workflow) Create a Workflow and return a WorkflowJobBean.
void	purge(long olderThanDays, int limit) Purge the Workflows Completed older than given days.
void	updateAction(WorkflowActionBean action) Update the given action bean to DB.
void	updateWorkflow(WorkflowJobBean wfBean) Update the data from Workflow Bean to DB along with the workflow instance data.

Methods inherited from class org.apache.oozie.store.Store

beginTrx, closeTrx, commitTrx, contains, getConnection, getEntityManager, getFlushMode, isActive, isClosed, isDetached, rollbackTrx

Methods inherited from class java.lang.Object

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

Field Detail

LOCK_TIMEOUT

public static final int LOCK_TIMEOUT

See Also:

Constant Field Values

Constructor Detail

WorkflowStore

public WorkflowStore()

WorkflowStore

public WorkflowStore(Connection connection,
             boolean selectForUpdate)
              throws StoreException

Throws:

StoreException

WorkflowStore

public WorkflowStore(Connection connection,
             Store store,
             boolean selectForUpdate)
              throws StoreException

Throws:

StoreException

WorkflowStore

public WorkflowStore(boolean selectForUpdate)
              throws StoreException

Throws:

StoreException

WorkflowStore

public WorkflowStore(Store store,
             boolean selectForUpdate)
              throws StoreException

Throws:

StoreException

Method Detail

insertWorkflow

public void insertWorkflow(WorkflowJobBean workflow)
                    throws StoreException

Create a Workflow and return a WorkflowJobBean. It also creates the process instance for the job.

Parameters:

workflow - workflow bean

Throws:

StoreException

getWorkflow

public WorkflowJobBean getWorkflow(String id,
                          boolean locking)
                            throws StoreException

Load the Workflow into a Bean and return it. Also load the Workflow Instance into the bean. And lock the Workflow depending on the locking parameter.

Parameters:

id - Workflow ID

locking - true if Workflow is to be locked

Returns:

WorkflowJobBean

Throws:

StoreException

getWorkflowCountWithStatus

public int getWorkflowCountWithStatus(String status)
                               throws StoreException

Get the number of Workflows with the given status.

Parameters:

status - Workflow Status.

Returns:

number of Workflows with given status.

Throws:

StoreException

getWorkflowCountWithStatusInLastNSeconds

public int getWorkflowCountWithStatusInLastNSeconds(String status,
                                           int secs)
                                             throws StoreException

Get the number of Workflows with the given status which was modified in given time limit.

Parameters:

status - Workflow Status.

secs - No. of seconds within which the workflow got modified.

Returns:

number of Workflows modified within given time with given status.

Throws:

StoreException

updateWorkflow

public void updateWorkflow(WorkflowJobBean wfBean)
                    throws StoreException

Update the data from Workflow Bean to DB along with the workflow instance data. Action table is not updated

Parameters:

wfBean - Workflow Bean

Throws:

StoreException - If Workflow doesn't exist

insertAction

public void insertAction(WorkflowActionBean action)
                  throws StoreException

Create a new Action record in the ACTIONS table with the given Bean.

Parameters:

action - WorkflowActionBean

Throws:

StoreException - If the action is already present

getAction

public WorkflowActionBean getAction(String id,
                           boolean locking)
                             throws StoreException

Load the action data and returns a bean.

Parameters:

id - Action Id

locking - true if the action is to be locked

Returns:

Action Bean

Throws:

StoreException - If action doesn't exist

updateAction

public void updateAction(WorkflowActionBean action)
                  throws StoreException

Update the given action bean to DB.

Parameters:

action - Action Bean

Throws:

StoreException - if action doesn't exist

deleteAction

public void deleteAction(String id)
                  throws StoreException

Delete the Action with given id.

Parameters:

id - Action ID

Throws:

StoreException - if Action doesn't exist

getActionsForWorkflow

public List<WorkflowActionBean> getActionsForWorkflow(String wfId,
                                             boolean locking)
                                               throws StoreException

Loads all the actions for the given Workflow. Also locks all the actions if locking is true.

Parameters:

wfId - Workflow ID

locking - true if Actions are to be locked

Returns:

A List of WorkflowActionBean

Throws:

StoreException

getActionsSubsetForWorkflow

public List<WorkflowActionBean> getActionsSubsetForWorkflow(String wfId,
                                                   int start,
                                                   int len)
                                                     throws StoreException

Loads given number of actions for the given Workflow. Also locks all the actions if locking is true.

Parameters:

wfId - Workflow ID

start - offset for select statement

len - number of Workflow Actions to be returned

Returns:

A List of WorkflowActionBean

Throws:

StoreException

getPendingActions

public List<WorkflowActionBean> getPendingActions(long minimumPendingAgeSecs)
                                           throws StoreException

Load All the actions that are pending for more than given time.

Parameters:

minimumPendingAgeSecs - Minimum Pending age in seconds

Returns:

List of action beans

Throws:

StoreException

getRunningActions

public List<WorkflowActionBean> getRunningActions(long checkAgeSecs)
                                           throws StoreException

Load All the actions that are running and were last checked after now - miminumCheckAgeSecs

Parameters:

checkAgeSecs - check age in seconds.

Returns:

List of action beans.

Throws:

StoreException

getRetryAndManualActions

public List<WorkflowActionBean> getRetryAndManualActions(String wfId)
                                                  throws StoreException

Load All the actions that are START_RETRY or START_MANUAL or END_RETRY or END_MANUAL.

Parameters:

wfId - String

Returns:

List of action beans

Throws:

StoreException

getWorkflowsInfo

public WorkflowsInfo getWorkflowsInfo(Map<String,List<String>> filter,
                             int start,
                             int len)
                               throws StoreException

Loads all the jobs that are satisfying the given filter condition. Filters can be applied on user, group, appName, status.

Parameters:

filter - Filter condition

start - offset for select statement

len - number of Workflows to be returned

Returns:

A list of workflows

Throws:

StoreException

getWorkflowInfo

public WorkflowJobBean getWorkflowInfo(String id)
                                throws StoreException

Load the Workflow and all Action details and return a WorkflowJobBean. Workflow Instance is not loaded

Parameters:

id - Workflow Id

Returns:

Workflow Bean

Throws:

StoreException - If Workflow doesn't exist

getWorkflowInfoWithActionsSubset

public WorkflowJobBean getWorkflowInfoWithActionsSubset(String id,
                                               int start,
                                               int len)
                                                 throws StoreException

Load the Workflow and subset Actions details and return a WorkflowJobBean. Workflow Instance is not loaded

Parameters:

id - Workflow Id

start - offset for select statement for actions

len - number of Workflow Actions to be returned

Returns:

Workflow Bean

Throws:

StoreException - If Workflow doesn't exist

getWorkflowIdForExternalId

public String getWorkflowIdForExternalId(String externalId)
                                  throws StoreException

Get the Workflow ID with given external ID which will be assigned for the subworkflows.

Parameters:

externalId - external ID

Returns:

Workflow ID

Throws:

StoreException - if there is no job with external ID

purge

public void purge(long olderThanDays,
         int limit)
           throws StoreException

Purge the Workflows Completed older than given days.

Parameters:

olderThanDays - number of days for which to preserve the workflows

Throws:

StoreException