Workflow Jan 2009

7/30/2019 Workflow Jan 2009

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INTERNAL12-Jan-2009

Presented By

Anju K (201740)

Oracle Workflow


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OracleWorkflow

Overview &Features

MajorComponents

KeyTerminology

OracleWorkflows

APIs

SampleWorkflow

Course Objectives


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Workflow Definition

Oracle Workflow delivers a complete

workflow management system that

supports business process basedintegration. Its technology enables

modeling, automation, and continuous

improvement of business processes,

routing information of any type accordingto user-defined business rules.


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Major ComponentsWorkflow Engine

Oracle Workflow builder

Notification System

Workflow Monitor


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Oracle Workflow builder

Work Flow is Software which is used to graphically define

and modify Workflows.


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Notification System

Workflow communicates with users by sending notifications.

Each notification includes messages and optional possible responses.

Route notification to roles which can be an individual user or group of users .


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Workflow Monitor

Workflow Monitor Section

Process Title Process Diagram Window

Detailed Tab Window

Administrator Buttons
http://localhost/var/www/apps/conversion/tmp/scratch_4/WorkFlow%20Monitor.dochttp://localhost/var/www/apps/conversion/tmp/scratch_4/WorkFlow%20Monitor.dochttp://localhost/var/www/apps/conversion/tmp/scratch_4/WorkFlow%20Monitor.dochttp://localhost/var/www/apps/conversion/tmp/scratch_4/WorkFlow%20Monitor.doc


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Process Diagram WindowThe process diagram window provides graphical cues about the

status of the process and its activities:

Activity Status Colors


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Detail Tab WindowUsage Tab

Current Location

Start/End

Performer

Status Tab

Current Location

Status

Result

Begin Date

End Date

Assigned User

Notification Tab

Current Location

Status Result

Begin Date

End Date


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Admin Administrator Buttons Buttons

Abort Process :-Abort Process is to abort the selected process

and cancel any outstanding notification .

Suspend Process :- Suspend Process to suspend the selected process.

Resume Process :- Resume Process to resume the suspendedprocess to normal execution status.

Reassign :- Assign Activity to reassign a notification to a

different performer.

Expedite :-To alter the state of an error activity.

Attribute :- To change the value of an item type attribute.


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Process Components

Item Type

Item Attributes

Process

Function Message

Notification

Lookup Type & Code


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Item Type

The Object are defined within an

Item Type.

Display Name :- Display name is for

documentation purpose

Description:- Details about the

Workflow .


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Item TypeAll

Properties

Internal Name:- It is limited to 8 character. It is used throughout the

database as part of the unique identification for the

object.

Persistence Type:-It determines the duration of the time that

runtime data is kept.

Permanent

Temporary Number of Days


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Item Attribute

Attributes are global variables

that can be updated / referenced

in Functions and Messages.

Attributes are stored in runtime

tables.

Type :-Defines the category of an

attribute

Default Value :- Used to set some

initial value for Attribute.


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Process

A Process is a graphical

representation of a business

process consist of Activity

Functions, notifications and sub-

processes.

Runnable :- Indicates this

process can be initiated as a top-

level process and can run

independently. This should be

unchecked for a sub process

called by another process.


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Message

Messages are viewed by users

through the notification page

or email. They can require a

response or simply provide

information. A message must

be attached to a notification tobe used in a process.

Priority does not affect

processing or delivery of the

message.


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Message Cont..

Message Body:-The message

body defines the content of the

message. It can be formatted in

Text or HTML. Message

attributes can be used in thetext and the value of the

attribute will be substituted at

runtime.

Message attributes can be used

in the text and the value of the

attribute will be substituted at

runtime


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Message Cont..

A message result needs to be

defined whenever the notification it

is being attached to is expecting a

result. The Internal Name becomes

RESULT.

Lookup Type :Should be the same

as that used in defining the

Notification Result Type.

Default : Can be set to either aconstant value or an Item Type

attribute value.


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FunctionA Function executes a PL/SQL procedure or calls an external

function. Activity attributes can be defined to pass global information

in/out of the procedure.

Function Name : the procedure to be called by this activity.

Function Type : PL/SQL, External, External Java

Result Type : Choose the lookup type that provides appropriate lookup

codes for the desired outcome for this function. Leave it blank if no

outcome is required. The return value provides branching capabilities in

the process.

Cost : Is a relative number to indicate how much processing might take

place when the procedure is called. If this value is greater than the

Threshold (default 50), the procedure will be executed in background

mode.


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Function Cont..


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Node Tab

Label :The internal name of this

node. The name can be used to

identify the activity within its

process.

Start/End :-used to indicate if

the node is the first (Start), last

(End) or middle (Normal) node in

a process.

Comment :- just for internaldocumentation.


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Node Tab

Timeout :- a timeout can be set for an activity. If the specified timeout is

reached, the activity ends and returns with a timeout result.

Time Type :

Relative : specify days, hours and minutes.

Item Attribute : specify a number attribute that can be dynamically set to

the number of minutes to wait.

Priority and Performer are only applicable to Notifications


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Notification

Function Name :This procedure is called to

do special processing when a

message is forwarded,

transferred or responded to. It

can be used to filter how a

notification is forwarded or to

process voting or to further

validate a response.

Function Type :-

PL/SQL, External,External Java


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Notification Cont..

Result Type : choose the lookup type that provides appropriate lookup

codes for the desired response to this notification. Leave it blank if noresponse is required.

Message : the message object with the content to be sent.

Expand Roles : if this is checked, a separate notification will be sent toeach member of the role. Otherwise a single notification is sent.

Performer : is the recipient of the notification. It can be designated with

a constant value or with an item attribute of type Role. The performer is

on the Node tab and is only valid for notifications.

Timeout :- A Timeout should be set on the Node tab unless the workflow

MUST not continue without a response


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Expand Roles

Expand Roles = N----------------If you have Expand Roles set to 'N' and you aresending a Notification to a Role Name, then a message is sent to every user inthat role, and each individual user will see that Notification in their Notification

queue until a single user in the role replies to that Notification. After which time,the Notification is wiped from each user's Notification queue.

Expand Roles = Y----------------If you have Expand Roles set to 'Y' and you aresending a Notification to a Role Name, then a message is sent to every user inthat role, and each individual user will see that Notification in their Notificationqueue until they reply or close that notification. You will generally want to haveExpand Roles set to 'Y' if you want to be sure that every user in a particular rolesees the message.


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Lookup Type

Lookup Types are static lists of values. They are used to define

results returned by processes, notifications, and functions


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Lookup Code

Lookup codes define the list of values for a Lookup Type.


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Oracle Workflow APIs

WF_ENGINE

WF_NOTIFICATION

WF_PURGE

Workflow Tables
http://localhost/var/www/apps/conversion/tmp/scratch_4/WorkFlow%20Table.xlshttp://localhost/var/www/apps/conversion/tmp/scratch_4/WorkFlow%20Table.xlshttp://localhost/var/www/apps/conversion/tmp/scratch_4/WorkFlow%20Table.xls


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WF_ENGINE Create Process

Syntax :- WF_Engine.CreateProcess ( itemtype in varchar2, itemkey in

varchar2,process in varchar2);

Start Process

Syntax :- WF_Engine. StartProcess (itemtype in varchar2,itemkey in Varchar2);

SetItemAttribText / SetItemAttribNumber / SetItemAttribDate

Syntax :- WF_Engine.SetItemAttrText (itemtype in varchar2, itemkey in varchar2,

aname in varchar2, avalue in varchar2);

AbortProcess

Syntax :- WF_Engine.AbortProcess(itemtype in varchar2, itemkey in varchar2,

process in varchar2 )


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WF_NOTIFICATION Transfer

Syntax :- WF_Notification .Transfer(nid in number, new_role in varchar2);

SetAttrText/SetAttrNumber/SetAttrDate

Syntax :- WF_Notification .SetAttrText(nid in number, aname in varchar2,

avalue in varchar2);


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WF_PURGE Items

Syntax :- WF_Purge.Items( itemtype in varchar2 , itemkey in varchar2 ,

enddate in date , docommit in boolean default);

Activities

Syntax :- WF_Purge. Activities(itemtype in varchar2, name in varchar2 ,

enddate in date);

Notification

Syntax:- WF_Purge. Notification(itemtype in varchar2 ,enddate in date);

Total

Syntax :- WF_Engine.Total( itemtype in varchar2,itemkey in varchar2 ,enddatein date ,docommit in boolean)

TotalPERM

Syntax :- WF_Engine.TotalPerm( itemtype in varchar2,itemkey in varchar2

,enddate in date ,docommit in boolean)

S l W kfl Di


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Sample Workflow Diagram

D fi i It T


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Defining Item Type

D fi i Attib t


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Defining Attibute

D fi i Attib t


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Defining Attibute

D fi i F ti


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Defining Function

D fi i F ti


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Defining Function

Defining Function


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Defining Function

Defining Message


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Defining Message

Defining Message Body


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Defining Message


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Defining Message



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Defining Message


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Defining Message



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Defining Lookup Type


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Defining Lookup Type

Defining Lookup Code


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Defining Notification


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Defining Process


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Defining Process

Defining End Node


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Defining End Node

Defining Start Node


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Defining Start Node

Selection of Lookup Code


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Selection of Lookup Code

Tagging Performer to Notification


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Tagging Result to Message


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Tagging Result to Message

Tagging Message to Notification


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Complete WorkFlow


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Complete WorkFlow


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Allow modification of

customizes objects

Unchecked :-

The Workflow Buildersaves edits only to protected

objects that you have access to

change and does not overwrite

previously customized objects.

Checked :-

The Workflow Buildersaves your edits, overwriting

protected objects that you have

access to modify as well as any

previously customizes objects.

Access Levels


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Access Levels

Each user of Oracle Workflow Builder operates the system at a

certain access Level.

The access levels are defined as follows :

0-9 Reserved for Oracle Workflow

10-19 Reserved for Oracle Application Object Library

20-99 Reserved for Oracle E-Business Suits.

100-999 Reserved for customer organizations

1000 Public


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Access Levels

Updatable by access

level 100 only, also by

0-99 if Allow

modifications..

checked

Customization=100

Access=100

Protection=100

BOTH

Updatable by access

level 0-100 only

Customization=0

Access=100

Protection=100

Lock at this Access

Level

Only updatable by

access level 100-1000,

also by 0-99 if Allow

modifications..

checked

Customization=100

Access=100

Protection=1000

Preserve

Customizations

Updatable by any

access level

Customization=0

Access=100

Protection=1000

NONE

Who can modify objectResulting LevelsSelected Check

box


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Reference :-

https://metalink.oracle.com

http://www.oracle.com/technology/products/integration/workflow/workflow_fov.html

http://downloadwest.oracle.com/docs/cd/B10501_01/workflow.920/a95265/index.ht

m#F


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Any Queries ?


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Thank you

Documents

Workflow Jan 2009