spring-integration-samples | code snippets , sample applications | Microservice library
kandi X-RAY | spring-integration-samples Summary
kandi X-RAY | spring-integration-samples Summary
Welcome to the Spring Integration Samples repository which provides 50+ samples to help you learn [Spring Integration][]. To simplify your experience, the Spring Integration samples are split into 4 distinct categories:. Inside of each category you’ll find a README.md file, which will contain a more detailed description of that category. Each sample also comes with its own README.md file explaining further details, e.g. how to run the respective sample. | For additional samples, please also checkout the [Spring Integration Extensions][] project as it also provides numerous samples.
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Top functions reviewed by kandi - BETA
- Parse a multipart message .
- Starts the application .
- Aggregates the orders .
- Retrieve an Employee object .
- Starts the application .
- Retrieve twitter messages .
- Find a specific coffee by id .
- Compares this Person to another .
- Spring implementation of IMAP idle interface .
- Perform a retry .
spring-integration-samples Key Features
spring-integration-samples Examples and Code Snippets
Community Discussions
Trending Discussions on spring-integration-samples
QUESTION
I have a flow that
...ANSWER
Answered 2020-Aug-26 at 17:54As you pointed out in your comment, an aggregator
approach could be used in your solution.
This way you aggregated results of those parallel SQS requests and wait for an aggregation reply in the original requestor. This way it is really going to be blocked even if internals of your flow still concurrent. You call a gateway and the reply for it is going to be from the aggregator.
QUESTION
I want to implement spring-integration-aws to send and receive messages with SQS. I am looking at localstack and would like to know the recommendation of the spring team.
Which tool/api should I use for local setup of spring integration flows for SQS inbound and outbound adapters?
Also, will there be examples of AWS in spring-integration-samples in future? I am looking for an example with xml config that reads the aws config from credentials and send and receive messages via outbound adapters.
...ANSWER
Answered 2020-Aug-17 at 13:55Not sure what recommendation you expect from us, but I see an answer in your own question - Localstack
: https://github.com/localstack/localstack.
In the project test we indeed use this tool over a docker container:
We don't have such a test against SQS, but the configuration technique is similar.
I recall I heard that Testcontainers project can be used for testing AWS services locally as well: https://www.testcontainers.org/modules/localstack/
We don't have resources to write samples for this project.
QUESTION
I have implemented a retry mechanism which works well based on the following:
https://github.com/spring-projects/spring-integration-samples/issues/237
The application consumes events from kafka, transforms those events and sends them as an HTTP request to a remote service, so it's in the integration flow that sends the HTTP request where the retry mechanism is implemented.
I was worried about sending the requests to the remote service in the same order as they come in from kafka during a temporary failure (network glitch) to avoid an overriding, but fortunately it looks like the order is kept, keep me honest here.
It seems that during the retry process all events coming in are "put on hold" and once the remote service is back up before the last try, all events are sent.
I would like to know two things here:
- Am I correct with my assumption? Is this how the retry mechanism works by default?
- I'm worried about the events getting back (or stack) up due to the amount of time it takes to finish the current flow execution. Is there something here I should take into consideration?
I think I might use an ExecutorChannel so that events could get processed in parallel, but by doing that I wouldn't be able to keep the order of the events.
Thanks.
...ANSWER
Answered 2020-Aug-10 at 15:43Your assumption is correct. The retry is done withing the same thread and it is blocked for the next event until the send is successful or retry is exhausted. And it is really done in the same Kafka consumer thread, so new records are not pulled from the topic until retry is done.
It is not a correct architecture to shift the logic into a new thread, e.g. using an ExecutorChannel
since Kafka is based on an offset commit which cannot be done out of order.
QUESTION
I am writing the sample code for basic-amqp example (https://github.com/spring-projects/spring-integration-samples/blob/master/basic/amqp/src/main/resources/META-INF/spring/integration/spring-integration-context.xml) in DSL
...ANSWER
Answered 2020-Jul-16 at 20:14It doesn't have to be a bean...
QUESTION
As @Gary Russell mentioned in this link, i extend TcpOutboundGateway to receive message from TCP server with out any request.
Here my custom TcpOutboundGateway, if message payload contains "freqID" then it sends message to MessageChannel
...ANSWER
Answered 2020-Jul-04 at 17:16You do like this in your createNewSubflow()
:
QUESTION
Hello I am new on spring integration
I checked examples for Spring Integration dynamic routing. Finally ı found it in here
In here there were lines
...ANSWER
Answered 2020-Jul-02 at 19:27You just need to register two flows; one for input; one for output - the problem is correlating the response for the reply, and routing the arbitrary messages to some place other than the gateway.
I updated the sample for this use case on this branch.
You can see the changes in the last commit on that branch; most of the changes were to simulate your server side.
On the client side, we simply register two flows and use a @ServiceActivator
method to get the inbound messages; you can identify which server they come from via the connection id.
QUESTION
I cloned spring integration samples from below url.
https://github.com/spring-projects/spring-integration-samples
And I tried build with gradlew. but build failed.
...ANSWER
Answered 2020-Jun-23 at 14:09It turns out that we had upgraded Spring Boot but didn't change the respective config for Gradle.
More over we have never call build
: only clean check
is enough for us. But I see your point and I am fixing it right now to the proper actual Spring Boot Gradle plugin config.
See the fix here: https://github.com/spring-projects/spring-integration-samples/commit/c72d642f35414089cfe33a2b32414ec0a869f8a6
QUESTION
All I have found so far are PollableChannel/PollableConsumer implementations, e.g.: https://github.com/spring-projects/spring-integration-samples/blob/master/basic/kafka Do I still need to keep searching? Does it make sense at all an event driven channel for a Kafka consumer?
...ANSWER
Answered 2020-May-18 at 14:46See the spring-integration-kafka Chapter in the Spring for Apache Kafka Documentation.
Spring Integration Kafka is now based on the Spring for Apache Kafka project. It provides the following components:
Outbound Channel Adapter
Message-driven Channel Adapter
Inbound Channel Adapter
Outbound Gateway
Inbound Gateway
Channels Backed by Kafka Topics
QUESTION
This is a new question following up on this older question and answer (specifically the comment that says "don't comment on old answers, ask a new question"), as well as these examples in GitHub.
I know the answer and examples are minimal working "trivial examples", but I don't know enough about how "things work in Spring" (or should work) to understand how to decompose those generic, trivial examples into separate servers and clients that suit my purpose. I currently have a working Spring-Boot daemon application that is client to / calls on (without any "spring integration") a legacy daemon application over a TCP Socket connection. It's all working, running in production.
But now I am tasked with migrating the legacy daemon to Spring Boot too. So I only need to configure and set up a cached/pooled TCP connection "socket listener" on the server-side. However, the "client parts" of the existing (self contained) examples confuse me. In my case the "client side" (the existing Spring Boot daemon) is not going to change and is a separate app on a separate server, I only need to set up / configure the "server-side" of the socket connection (the "legacy-daemon freshly migrated to Spring Boot" daemon).
I've copied this example configuration (exactly) into my legacy-migration project
...ANSWER
Answered 2020-Feb-28 at 14:16Samples usually contain both the client and server because it's easier that way. But there is nothing special about breaking apart the client and server sides. Here's an example using the Java DSL:
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You can use spring-integration-samples like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the spring-integration-samples component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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