EventFlow Authoring Guide

Contents

StreamBase Projects and Files

Maven Projects in StreamBase Studio

What Goes Where in Project Folders

Creating a New StreamBase Project

Creating a New EventFlow Module

Creating a New EventFlow Interface

Module Search Path

Resource Search Path

Using External JAR Files

StreamBase File Properties

External File Restrictions

StreamBase Authoring Fundamentals

Typechecking

StreamBase Path Notation

EventFlow Layout Options

Using the Expression Evaluator

Using the Tasks View

StreamBase Project Properties

Project Builder

Project References

Java Build Path

Importing and Exporting

Copy-Paste of EventFlow Components

Importing into Studio

Exporting from Studio

Importing Resources from One Module to Another

Minimizing Module Imports

EventFlow Canvas Features

Using Arcs

Using Notes

Using Groups

Using Streams

Defining Input Streams

Defining Output Streams

Using Error Ports and Error Streams

Error Input Stream

Error Output Stream

Using Schemas

Schema Overview

Using Named Schemas

Using Table Schemas

Copying Schemas

Using Empty Schemas

Using Parent Schemas

Difference Comparisons

Comparing EventFlow Modules

Comparing Selected Components

Comparing Schemas

Using Modules

Module Introduction

Extracting a Module

Referencing a Module

Using the Module Reference Component

Hygienic and Non-Hygienic Modules

Using Interfaces

StreamBase Interfaces

Using Interfaces with Extension Points

Using StreamBase Operators

Operator Overview

Using Java Operators

Using the Aggregate Operator

Aggregate Operator: Field-Based Dimension Options

Aggregate Operator: Tuple-Based Dimension Options

Aggregate Operator: Time-Based Dimension Options

Aggregate Operator: Predicate-Based Dimension Options

Using the BSort Operator

Using the Decision Table Operator

Using the Distributed Router Operator

Using the Extension Point Operator

Using the Filter Operator

Using the Gather Operator

Using the Heartbeat Operator

Using the Iterate Operator

Using the Join Operator

Using the Map Operator

Using the Merge Operator

Using the Metronome Operator

Using the Pattern Operator

Using the Query Operator

Using the Query Operator with JDBC Tables

Using the Sequence Operator

Using the Split Operator

Using the Union Operator

Using Global Java Operators

Global Java Operator Overview

Using the Apache Cassandra Operators

Using the Apache Kudu Operators

Using the Avro to Tuple Operator

Using the Cluster State Filter Operator

Using the External Process Operator

Using the Field Serializer Operator

Using the FTP Operator

Using the H2O Model Evaluator Operator

Using the JPMML Model Evaluator Operator

Using the HBase Admin Operator

Using the HBase Delete Operator

Using the HBase Get Operator

Using the HBase Put Operator

Using the HBase Scan Operator

Using the JMS and TIBCO EMS Operators

Using the JSON to Tuple Operator

Using the Microsoft .NET Operator

Using the Python Operator

Using the Python Instance Operator

Using the Runtime Schema Cast Operator

Using the TERR Operator

Using the TERR Predict Operator

Using the TIBCO ActiveMatrix BPM Operator

Using the TIBCO ActiveSpaces Operators

Using the TIBCO ActiveSpaces 2 Operators

Using the Tuple to Avro Operator

Using the Tuple to JSON Operator

Using the Tuple to XML Operator

Using the WITSML Operators

Using the XML to Tuple Operator

Using Data Constructs

Using the Query Table Data Construct

Using the JDBC Table Data Construct

Using Query Tables

Using the Query Table Data Construct

Persistence of Query Tables

Using Delta Streams for Query Tables

Reloading Disk-Based Query Table Data

Using JDBC Data Sources

JDBC Data Source Overview

How the Query Operator Works with JDBC Tables

Using Stored Procedures

Using Decision Tables

Decision Table Introduction

Decision Table Tools

Decision Table Editor

Decision Table Analyzer

Decision Table Performance Considerations

Using Embedded Adapters

Embedded Adapter Introduction

Setting Input Adapter Properties

Setting Output Adapter Properties

Constants, Variables, and Parameters

Using Constants

Using Dynamic Variables

Parameter Overview

Using Module Parameters

Using Global Parameters

String Values in Parameters

Miscellaneous Topics

Unicode Support

Text Search in Studio

Using Nulls

Using the Function Data Type

Capture Fields