Developing and running applications that use the RabbitMQ Toolkit

Specialized toolkits - release 4.3.1.0-prod20190605 > com.ibm.streamsx.rabbitmq 1.2.1 > Developing and running applications that use the RabbitMQ Toolkit

To create applications that use the RabbitMQ Toolkit, you must configure either Streams Studio or the SPL compiler to be aware of the location of the toolkit.

Before you begin

Install IBM Streams. Configure the product environment variables by entering the following command:
```
  source product-installation-root-directory/4.2.0.0/bin/streamsprofile.sh
```

About this task

After the location of the toolkit is communicated to the compiler, the SPL artifacts that are specified in the toolkit can be used by an application. The application can include a use directive to bring the necessary namespaces into scope. Alternatively, you can fully qualify the operators that are provided by toolkit with their namespaces as prefixes.

Procedure

Review the list of restrictions for the IBM Streams specialized toolkits in the product documentation.
Verify that the appropriate environment variables are set for the messaging systems that you use.
- TODO: Define the variables or remove this step
Configure the SPL compiler to find the toolkit root directory. Use one of the following methods:
- Set the STREAMS_SPLPATH environment variable to the root directory of a toolkit or multiple toolkits (with : as a separator). For example:
```
  export STREAMS_SPLPATH=$STREAMS_INSTALL/toolkits/com.ibm.streamsx.rabbitmq
```
- Specify the -t or --spl-path command parameter when you run the sc command. For example:
```
  sc -t $STREAMS_INSTALL/toolkits/com.ibm.streamsx.rabbitmq -M MyMain
```
  where MyMain is the name of the SPL main composite. Note: These command parameters override the STREAMS_SPLPATH environment variable.
- Add the toolkit location in IBM Streams Studio.
Develop your application. To avoid the need to fully qualify the operators, add a use directive in your application.
- For example, you can add the following clause in your SPL source file:
```
  use com.ibm.streamsx.mrabbitmq::*;
```
  You can also specify a use clause for individual operators by replacing the asterisk (*) with the operator name. For example:
```
  use com.ibm.streamsx.rabbitmq::RabbitMQSink;
```
Build your application. You can use the sc command or Streams Studio.
Start the IBM Streams instance.
Run the application. You can submit the application as a job by using the streamtool submitjob command or by using Streams Studio.