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Oracle Business Rules

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Oracle Business Rules Overview

True inference rules engine (based on Jess)

Available and usable independent of Oracle SOA/BPM

Tight integration with Oracle SOA/BPM

Usually positioned and used as part of SOA/BPM

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Oracle Business Rules 11g

Easier to use

Date, Time, Effectivity

Aggregates

Decision Tables

Dictionary Links, and many more

Web based business user authoring

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Business Rules in SOA CompositeDifferent Usage Scenarios

Stand Alone

From HumanTask

From BPEL

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Tight Integration with BPEL

Create rule

dictionary from

within BPEL

Leverage BPEL

variables and

project schemasDictionary

completely setup

for writing rules

i.e. facts created,

etc.

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Date and Time Support

Rule Activation and

Effective Dates

Mark rules as

active/in-active

Specify periods

when rule iseffective

Date and Time based

rules

Date comparisons Current Date

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Aggregates

Example: If an Order

has more than 5 items

with price > 1000,

require manual

approval

Out-of-boxaggregation functions:

count, average,

minimum, maximum,

sum, collection

Custom aggregation

function

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Decision Tables

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Decision TablesIf CurrentDate.date = During Sale and

CustomerOrder.vipStatus = Platinum or Silver andCustomerOrder.totalAmount >= 700

Then Discount = 15 and status = APPROVED

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Decision Tables

Set of Values or Ranges to compare with

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Decision Tables

List of Values or Ranges

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Decision Tables

Resolve overlap between R1 and R3by overriding R3 with R1

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Decision Function

Simplifies exposing rules to

be invoked as Decision

Service or otherwise

Sequence rulesets and

functions declaratively

Functions are especiallyuseful in doing pre and

post processing

Asserts inputs and returns

outputs

Provides validations

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Rules Testing

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Many More Features

Dictionary Links Spread rules across dictionaries for

reuse and access control

Decision Functions Create rule flows

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Demonstration

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