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Posted to commits@camel.apache.org by da...@apache.org on 2022/10/31 12:28:41 UTC

[camel] branch main updated: CAMEL-18669: camel-jbang - Using resilience4j as CB should include include dependency

This is an automated email from the ASF dual-hosted git repository.

davsclaus pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/camel.git


The following commit(s) were added to refs/heads/main by this push:
     new 637a381c31e CAMEL-18669: camel-jbang - Using resilience4j as CB should include include dependency
637a381c31e is described below

commit 637a381c31eab546627ddb7f44d5a570ad691f8e
Author: Claus Ibsen <cl...@gmail.com>
AuthorDate: Mon Oct 31 13:28:24 2022 +0100

    CAMEL-18669: camel-jbang - Using resilience4j as CB should include include dependency
---
 .../java/org/apache/camel/main/KameletMain.java    |  4 ++
 .../main/download/CircuitBreakerDownloader.java    | 75 ++++++++++++++++++++++
 2 files changed, 79 insertions(+)

diff --git a/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/KameletMain.java b/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/KameletMain.java
index 1c200e4c90f..29425efe780 100644
--- a/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/KameletMain.java
+++ b/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/KameletMain.java
@@ -27,6 +27,7 @@ import org.apache.camel.ProducerTemplate;
 import org.apache.camel.RuntimeCamelException;
 import org.apache.camel.impl.DefaultCamelContext;
 import org.apache.camel.main.download.AutoConfigureDownloadListener;
+import org.apache.camel.main.download.CircuitBreakerDownloader;
 import org.apache.camel.main.download.CommandLineDependencyDownloader;
 import org.apache.camel.main.download.DependencyDownloaderClassLoader;
 import org.apache.camel.main.download.DependencyDownloaderClassResolver;
@@ -325,6 +326,9 @@ public class KameletMain extends MainCommandLineSupport {
             } catch (Exception e) {
                 throw RuntimeCamelException.wrapRuntimeException(e);
             }
+
+            // in case we use circuit breakers
+            CircuitBreakerDownloader.registerDownloadReifiers();
         }
         if (stub) {
             // turn off auto-wiring when running in stub mode
diff --git a/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/download/CircuitBreakerDownloader.java b/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/download/CircuitBreakerDownloader.java
new file mode 100644
index 00000000000..0b4f367864f
--- /dev/null
+++ b/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/download/CircuitBreakerDownloader.java
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.main.download;
+
+import java.util.function.BiFunction;
+
+import org.apache.camel.Route;
+import org.apache.camel.model.CircuitBreakerDefinition;
+import org.apache.camel.model.ModelCamelContext;
+import org.apache.camel.model.ProcessorDefinition;
+import org.apache.camel.reifier.ProcessReifier;
+import org.apache.camel.reifier.ProcessorReifier;
+
+/**
+ * When using circuit breakers then we need to download the runtime implementation
+ */
+public class CircuitBreakerDownloader {
+
+    public static void registerDownloadReifiers() {
+        ProcessorReifier.registerReifier(CircuitBreakerDefinition.class,
+                new BiFunction<Route, ProcessorDefinition<?>, ProcessorReifier<? extends ProcessorDefinition<?>>>() {
+                    @Override
+                    public ProcessorReifier<? extends ProcessorDefinition<?>> apply(
+                            Route route, ProcessorDefinition<?> processorDefinition) {
+                        if (processorDefinition instanceof CircuitBreakerDefinition) {
+                            CircuitBreakerDefinition cb = (CircuitBreakerDefinition) processorDefinition;
+                            DependencyDownloader downloader = route.getCamelContext().hasService(DependencyDownloader.class);
+                            if (downloader != null) {
+                                String artifactId = null;
+                                if (cb.getResilience4jConfiguration() != null) {
+                                    downloader.downloadDependency("org.apache.camel", "camel-resilience4j",
+                                            route.getCamelContext().getVersion());
+                                }
+                                if (cb.getFaultToleranceConfiguration() != null) {
+                                    downloader.downloadDependency("org.apache.camel", "camel-microprofile-fault-tolerance",
+                                            route.getCamelContext().getVersion());
+                                }
+                                if (cb.getConfiguration() != null) {
+                                    String id = cb.getConfiguration();
+                                    Object cfg = route.getCamelContext().adapt(ModelCamelContext.class)
+                                            .getResilience4jConfiguration(id);
+                                    if (cfg != null) {
+                                        downloader.downloadDependency("org.apache.camel", "camel-resilience4j",
+                                                route.getCamelContext().getVersion());
+                                    }
+                                    cfg = route.getCamelContext().adapt(ModelCamelContext.class)
+                                            .getFaultToleranceConfiguration(id);
+                                    if (cfg != null) {
+                                        downloader.downloadDependency("org.apache.camel", "camel-microprofile-fault-tolerance",
+                                                route.getCamelContext().getVersion());
+                                    }
+                                }
+                            }
+                        }
+                        // use core reifier now we have downloaded JARs if needed
+                        return ProcessReifier.coreReifier(route, processorDefinition);
+                    }
+                });
+    }
+
+}