Application Development Guide

Introduction and Roadmap

Document Scope and Audience

Oracle CEP Documentation Set

Guide to This Document

Samples for the Oracle CEP Application Developer

Overview of Creating Oracle Complex Event Processing Applications

Overview of the Oracle Complex Event Processing Programming Model

Components of the Oracle CEP Event Processing Network

Event Sources and Event Sinks

Component Configuration Files

How Components Fit Together

Application Lifecycle

Oracle CEP APIs

Oracle CEP Development Environment for Eclipse

Creating Oracle CEP Applications: Typical Steps

Creating the EPN Assembly File

Creating the Event Types

Next Steps

Creating Custom Adapters and Event Beans

Overview of Adapters and Event Beans

Creating Adapters or Event Beans: Typical Steps

Programming the Adapter Class: Guidelines

Programming the Adapter Factory Class

Updating the EPN Assembly File

Registering the Adapter Factory as an OSGI Service

Declaring the Adapter Components in your Application

Configuring the Adapter

Example of an Adapter Configuration File

Creating an Adapter in Its Own Bundle

Extending the Configuration of an Adapter

Creating the XSD Schema File

Complete Example of an Extended XSD Schema File

Programming Access to the Configuration of an Adapter

Passing Login Credentials from an Adapter to the Data Feed Provider

Updating the Adapter Code to Access the Login Credential Properties

Using the Java Message Service (JMS) Adapters

Overview of Using the JMS Adapters

Using JMS Adapters: Typical Steps

Creating a Custom Converter Between JMS Messages and Event Types

Updating the EPN Assembly File With JMS Adapters

Configuring the JMS Adapters

Using and Creating HTTP Publish-Subscribe Adapters

Overview of HTTP Publish-Subscribe Functionality in Oracle CEP

Overview of the Built-In Pub-Sub Adapter for Local Publishing

Overview of the Built-In Pub-Sub Adapter for Remote Publishing

Overview of the Built-In Pub-Sub Adapter for Subscribing

Using the Built-In HTTP Pub-Sub Adapters in an Application: Typical Steps

Configuring the HTTP Pub-Sub Adapters

Updating the EPN Assembly File

Configuring the Stream Component

Overview of the Stream Configuration File

Creating the Stream Configuration File: Main Steps

Example of an Stream Configuration File

Configuring the Complex Event Processor

Overview of the Complex Event Processer Configuration File

Configuring the Complex Event Processor: Main Steps

Example of a Processor Configuration File

Programming the Business Logic Component

Overview of Programming the Business Logic Component

Programming Business Logic: Guidelines

Accessing a Relational Database

Using Oracle CEP Caching

Overview of Oracle Complex Event Processing Caching

Use Case: Publishing Events to a Cache

Use Case: Consuming Data From a Cache

Use Case: Updating and Deleting Data in a Cache

Additional Caching Features

Caching APIs

Typical Steps to Use Oracle CEP Caching

Configuring the Oracle CEP Caching System and Caches

Declaring the Caching System in the EPN Assembly File

Declaring a Cache in the EPN Assembly File

Configuring and Programming a Business POJO to Access a Cache

Configuring and Programming an Adapter to Access a Cache

Configuring and Programming a User-Defined EPL Function to Access a Cache

Configuring a Cache as a Listener

Specifying the Key Used to Index a Cache

Configuring a Cache as an Event Source

Configuring a Cache Loader

Configuring a Cache Store

Referencing a Cache from an EPL Statement

Restrictions When Using a Cache in an EPL Statement

Typical Steps To Reference a Cache in an EPL Statement

Storing Events in a Persistent Store

Overview of Storing Events in a Persistent Store

Use Case: Storing Events

Use Case: Playing Back Events

Use Case: Querying Stored Events

Additional Persistent Store Features

Implementing Persistent Event Storage for Your Application: Typical Steps

Deciding Which Components Will Store Events

Updating Your EPN Assembly File

Programming the Persistent Event Storage

Programming the Event Querying

Configuring the Persistent Storage

Example: Storing Events for Your Application

Assembling and Deploying Oracle Complex Event Processing Applications

Overview of Application Assembly and Deployment

Assembling an Oracle CEP Application: Main Steps

Creating the MANIFEST.MF File

Accessing Third-Party JAR Files From Your Application

Deploying Oracle CEP Applications: Main Steps

Using the Load Generator to Test Your Application

Overview of the Load Generator Utility

Creating a Load Generator Property File

Creating a Data Feed File

Configuring the csvgen Adapter in Your Application

Additional Information about Spring and OSGi