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Summary: This document provides basic information about the extension providing Apache Camel support for Java.

Extension ID

com.castsoftware.camel

What's new?

Please see Apache Camel - 1.0 - Release Notes for more information.

In what situation should you install this extension?

This extension should be installed when your Java application consists of Apache Camel Routes. Objects created for the components encountered in Apache Camel Route are linked to objects produced by the JEE Analyzer. This will result in better transactions and calculation of Automated Function Points.

Function Point, Quality and Sizing support

This extension provides the following support:

  • Function Points (transactions): a green tick indicates that Function Point counting and Transaction Risk Index are supported
  • Quality and Sizing: a green tick indicates that CAST can measure size and that a minimum set of Quality Rules exist
Function Points
(transactions)
(tick)
Quality and Sizing(error)

CAST AIP compatibility

This extension is compatible with:

CAST AIP releaseSupported
8.3.x(tick)
8.2.x(tick)

Supported DBMS servers

This extension is compatible with the following DBMS servers:

DBMSSupported
CSS/PostgreSQL(tick)
Oracle(tick)
Microsoft SQL Server(error)

Prerequisites

(tick)Installation of any compatible release of CAST AIP (see table above)

Download and installation instructions

Include the extension using the interface in AIP Console:

There is nothing further to do. Any Apache Camel configuration defined in XML files in the application source code will be automatically detected. Follow the instructions below to run a new analysis/snapshot to generate new results:

What results can you expect?

Once the analysis/snapshot generation is completed, you can view the results in the normal manner (for example via CAST Enlighten):

Objects

IconDescription

Apache Camel HTTP Get Operation

Apache Camel HTTP Put Operation

Apache Camel HTTP Post Operation

Apache Camel HTTP Delete Operation 

Apache Camel HTTP Any Operation 

Apache Camel Route Call

Apache Camel Route

Apache Camel Bean Call

Apache Camel Process Call

 

Apache Camel Database Query

Only callLinks are created between various objects created by this extension.

Code examples

XML DSL- callLink between REST POST service and Apache Camel Route Call

 Click here to expand...
<rest path="restservices/sapmp/v1/cart/">
            <post uri="/addCart">
                <to uri="direct:addCart" />
             </post>

Java DSL- callLink between REST POST service and Apache Camel Route Call

 Click here to expand...
public void subscriberServiceRoute() {

  	ajscRoute.setRoute(from("restlet:/subscriber/subscribernotifications?restletMethods=POST&restletBinding=#customBinding")
	.log("************ Determine the event type ************")
    	.choice()
	.when().simple("${body} =~ '" + SubscriberConstants.CANCEL_SUBSCRIBER + "'").to("direct:cancelSubscriber")
}

XML DSL - callLink between REST DELETE and Apache Camel Route Call

 Click here to expand...


<delete uri="/order/modify/modifyOrder">
                <to uri="direct:modifyOrder" />            
</delete>

XML DSL - callLink between REST PUT and Apache Camel Route Call

 Click here to expand...
<put uri="/order/modify/modifyOrder">
                <to uri="direct:modifyOrder" />            
</put>

XML DSL - callLink between ApacheCamel Route and Apache Camel Route Call

 Click here to expand...


<from uri="direct:submitOrder" />
	<to uri="direct:fanAuthorization" />

Java DSL - callLink between Apache Camel Route and Apache Camel Route Call

 Click here to expand...
public void unenroll()
{
  	from("direct:unenrollSubscriber")
  	.process("prepareInputToUnEnroll")
  	.to("invokeUnenrollService")
        .log("Unenroll Service Status Code in MobileSplit :: ${in.headers.CamelHttpResponseCode}")
        .choice()
        .when().simple("${in.headers.CamelHttpResponseCode} =~ "+ "'"+SubscriberConstants.RESPONSE_SUCCESS_CODE+"'"
          + " || ${in.headers.CamelHttpResponseCode} =~ '"+SubscriberConstants.ACCEPTED_CODE+"'")
           .to("direct:retireRecord")
           .process(SubscriberConstants.RESPONSE_HANDLER)
        .otherwise()
             .setBody().constant(SubscriberConstants.MESSAGE_UNENROLLMENT_UNSUCCESSFUL)
             .process(SubscriberConstants.RESPONSE_ERROR_HANDLER)
        .endChoice().end(); 
}

XML DSL - callLinks between Rest POST service and Bean Call, Process Call

 Click here to expand...
<from id="_from1" uri="restlet:/addp/v1/account/profiles?restletMethods=POST&restletBinding=#customBinding"/>
        <doTry id="_doTrymp">
            <to id="_to_MAN1" uri="bean:restServiceImpl?method=manageProfile"/>
            <process id="_manageProfileService" ref="manageProfileService"/>

Java DSL - callLinks between Rest POST service and Bean Call, Process Call

 Click here to expand...
public void subscriberServiceRoute()
{
  	ajscRoute.setRoute(from("restlet:/subscriber/subscribernotifications?restletMethods=POST&restletBinding=#customBinding")
  	  .bean("SubscriberNotificationBeans","getSubscriberNotifications(exchange)")
 	  .process("decideEventType"));
}

XML DSL - callLink between Apache Camel Route and Bean Call

 Click here to expand...


<from uri="direct:submitOrder" />
  <interceptFrom id="_interceptFrom2">
   	<to id="submitOrderCamelInterceptor" uri="bean:camelInterceptor?method=invokepreInterceptorChain" />
  </interceptFrom>

XML DSL - callLink between Apache Camel Route and Process Call

 Click here to expand...


<from id="_from_D4" uri="direct:fanAuthorization" />
  <process ref="prepareProfileInputData" />

Java DSL - callLinks between Apache Camel Route and Bean Call, Process Call

 Click here to expand...
public void cancelSubscriber() {
    from("direct:cancelSubscriber").process("prepareInputToAddpDeviceDetails") 
                                       .bean("inquireEnterpriseDeviceDeploymentDetails", "inquireDeviceDetailsByCtn(${body})");
}

XML DSL - callLinks between REST Post Service and JDBC Query

 Click here to expand...
<from uri="restlet:/user?restletMethod=POST"/>
          <setBody>
                <simple>select * from user ORDER BY id desc LIMIT 1</simple>
            </setBody>
            <to uri="jdbc:dataSource"/>        

Java DSL - callLink between REST Post Service and JDBC Query

 Click here to expand...
public void configure() {
    from("restlet:/user?restletMethod=POST")
	.setBody(simple("select * from user ORDER BY id desc LIMIT 1"))
        .to("jdbc:dataSource");
}

callLinks in the complete transaction

 Click here to expand...

Limitations

  • Route destinations such as bean, process, jdbc (database query jdbc:) and apache camel routes (direct:) are created as known objects
  • All other route components are ignored
  • There may be incorrect bookmarks in few call links. Will be fixed in subsequent releases

Future development

  •  Components in the route which are not decoded in this version, will be included . As an example the components such as JMS, NoSQL (MongoDB, Couchbase etc.) will be considered in the subsequent releases.
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