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Questions tagged [enterprise-integration]

Enterprise application integration (EAI) is the use of software and computer systems architectural principles to integrate a set of enterprise computer applications.

130 questions
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What's the best way to implement a Request/Reply pattern if no temporary queues are available?

I have many instances of my client application. These clients send requests to a server application via messaging and receive a reply. Normally the reply would be sent using a temporary queue. Unfortunately I have to use the Stomp protocol which has…
Daniel Rikowski
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camel dynamic uri parameter

i want to implement the content enricher pattern with camel like this: from("direct:x").enrich(dynamicUri,new MyAggregatorStrategy()).to("direct:y") The dynamic uri is based on each message which comes from the direct:x channel. So let's say there…
nils petersohn
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Python Enterprise Integration Patterns Library/Framework

Is there a a Python library that implements the enterprise integration patterns in the classic Enterprise Integration Patterns book?
JC Carrillo
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Apache Camel copies all the request headers to response

I have a camel route which sets few custom headers and acts as a reverse proxy. from("servlet:///listen/path?matchOnUriPrefix=true") .setHeader(Exchange.HTTP_RESPONSE_CODE, simple("200")) .setHeader("MY_HEADER",…
Fahim Farook
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Spring Integration - Failed to retrieve events for all files in directory when using WatchServiceDirectoryScanner

I am using WatchServiceDirectoryScanner/RecursiveLeafOnlyDirectoryScanner to process files in File System. Files events are generated and Message are received at defined EndPoint, but sometimes it miss to process all files in that directory. For…
Chandan Gawri
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how to dynamically register Feed Inbound Adapter in Spring Integration?

I'm trying to implement an RSS/Atom feed aggregator in spring-integration and I am primarily using the Java DSL to write my IntegrationFlow. A requirement of this aggregator is that feeds can be added / removed during runtime. That is to say, the…
james_s_tayler
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Communicating between PHP and Java using ActiveMQ/Stomp

Background I have two services that need to communicate with each other over a message queue. One is a legacy service written in PHP and the other is in Java. Sooner than later, the PHP service will be rewritten in Java. The current way they…
Edward Dale
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Spring Integration - Invoking Methods in Application Code

I have a outbound-channel-adapter, where the relevant configuration is shown below.
The Gilbert Arenas Dagger
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Translating change log into actual state in Apache Camel

I have two systems, call them A and B. When some significant object changes in A, A sends it to B through Apache Camel. However, I encountered one case, when A actually has change log of an object, while B must reflect only actual state of the…
Alexey Andreev
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Camel CBRs and POJO property inspection

I have a Camel route that is routing Order instances: from("direct:start") .choice() .when(order.getProduct() == Product.Widget) .to("direct:widgets") .when(order.getProduct() == Product.Fizz) …
IAmYourFaja
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concurrent consumers yet ensure order

I have a JMS Queue that is populated at a very high rate ( > 100,000/sec ). It can happen that there can be multiple messages pertaining to the same entity every second as well. ( several updates to entity , with each update as a different message.…
Anand Hemmige
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Camel Request/Reply Correlation

I have a CXFRS endpoint, where a request such as "GET /files/x" should return file "x" from a particular directory and then delete it. The files are output from another process and then quickly consumed via this route. Thus, it would be acceptable…
Jared O'Connor
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PayloadTypeRouter directly sending into a Transformer without channel in between?

I need to use a PayloadTypeRouter and want to send the routed message directly into a Transformer, Filter or ServiceActivator. All should be configured with Kotlin DSL (or Java DSL). Currently, a nice looking part of code looks like this: @Bean …
stk
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Apache Camel Dynamic Routing Flow On Exception

I have successfully created few routes overriding configure() method of RouteBuilder. A for loop is used to generate routes on application startup, for eg: Route1: from("direct:Route1").to("netty-http:http://localhost:8080/route1) Route2:…
Shashanka Kalita
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CQRS for streamed data

I am using CQRS segregation and works very well for transactional commands or request-response from one node to remote node. I have a use case where a command will be issued to a remote node, and this will result in a "stream" data (much like a…
morleyc
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