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Posted to commits@camel.apache.org by da...@apache.org on 2022/01/10 13:23:42 UTC

[camel] 02/04: CAMEL-15724: camel-cdi-jta - To decouple CDI from JTA

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

commit 2ed79a58c431e77129bdc002844bb1475ae166cd
Author: Claus Ibsen <cl...@gmail.com>
AuthorDate: Mon Jan 10 14:17:39 2022 +0100

    CAMEL-15724: camel-cdi-jta - To decouple CDI from JTA
---
 catalog/camel-allcomponents/pom.xml                |  4 ++
 components/camel-cdi-jta/pom.xml                   | 66 ++++++++++++++++++++++
 .../services/org/apache/camel/other.properties     |  7 +++
 .../src/generated/resources/cdi-jta.json           | 15 +++++
 .../camel-cdi-jta/src/main/docs/cdi-jta.adoc       | 11 ++++
 .../java/org/apache/camel/cdi/CdiRouteBuilder.java |  0
 .../transaction/MandatoryJtaTransactionPolicy.java |  0
 .../transaction/NestedJtaTransactionPolicy.java    |  0
 .../cdi/transaction/NeverJtaTransactionPolicy.java |  0
 .../NotSupportedJtaTransactionPolicy.java          |  0
 .../transaction/RequiredJtaTransactionPolicy.java  |  0
 .../RequiresNewJtaTransactionPolicy.java           |  0
 .../transaction/SupportsJtaTransactionPolicy.java  |  0
 .../TransactionalJtaTransactionPolicy.java         |  0
 .../src/main/resources/META-INF/beans.xml          | 28 +++++++++
 components/camel-cdi/pom.xml                       | 12 ----
 components/camel-cdi/src/main/docs/cdi.adoc        |  4 +-
 .../org/apache/camel/cdi/XmlCdiBeanFactory.java    | 16 ++++--
 .../camel/cdi/XmlErrorHandlerFactoryBean.java      |  5 +-
 .../org/apache/camel/cdi/xml/ErrorHandlerType.java | 14 ++---
 parent/pom.xml                                     |  5 ++
 21 files changed, 159 insertions(+), 28 deletions(-)

diff --git a/catalog/camel-allcomponents/pom.xml b/catalog/camel-allcomponents/pom.xml
index 4428983..200b08a 100644
--- a/catalog/camel-allcomponents/pom.xml
+++ b/catalog/camel-allcomponents/pom.xml
@@ -287,6 +287,10 @@
 		</dependency>
 		<dependency>
 			<groupId>org.apache.camel</groupId>
+			<artifactId>camel-cdi-jta</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.camel</groupId>
 			<artifactId>camel-cdi-main</artifactId>
 		</dependency>
 		<dependency>
diff --git a/components/camel-cdi-jta/pom.xml b/components/camel-cdi-jta/pom.xml
new file mode 100644
index 0000000..8dc3102
--- /dev/null
+++ b/components/camel-cdi-jta/pom.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    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.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.apache.camel</groupId>
+        <artifactId>components</artifactId>
+        <version>3.15.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>camel-cdi-jta</artifactId>
+    <packaging>jar</packaging>
+
+    <name>Camel :: CDI JTA</name>
+    <description>JTA Transaction support for Camel CDI</description>
+
+    <properties>
+        <firstVersion>3.15.0</firstVersion>
+        <label>java</label>
+        <title>CDI JTA</title>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.camel</groupId>
+            <artifactId>camel-cdi</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.camel</groupId>
+            <artifactId>camel-jta</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>javax.enterprise</groupId>
+            <artifactId>cdi-api</artifactId>
+            <version>${cdi-api-2.0-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.transaction</groupId>
+            <artifactId>javax.transaction-api</artifactId>
+            <version>${jta-api-1.2-version}</version>
+            <scope>provided</scope>
+            <optional>true</optional>
+        </dependency>
+
+    </dependencies>
+
+</project>
diff --git a/components/camel-cdi-jta/src/generated/resources/META-INF/services/org/apache/camel/other.properties b/components/camel-cdi-jta/src/generated/resources/META-INF/services/org/apache/camel/other.properties
new file mode 100644
index 0000000..e39b7a6
--- /dev/null
+++ b/components/camel-cdi-jta/src/generated/resources/META-INF/services/org/apache/camel/other.properties
@@ -0,0 +1,7 @@
+# Generated by camel build tools - do NOT edit this file!
+name=cdi-jta
+groupId=org.apache.camel
+artifactId=camel-cdi-jta
+version=3.15.0-SNAPSHOT
+projectName=Camel :: CDI JTA
+projectDescription=JTA Transaction support for Camel CDI
diff --git a/components/camel-cdi-jta/src/generated/resources/cdi-jta.json b/components/camel-cdi-jta/src/generated/resources/cdi-jta.json
new file mode 100644
index 0000000..69f97b2
--- /dev/null
+++ b/components/camel-cdi-jta/src/generated/resources/cdi-jta.json
@@ -0,0 +1,15 @@
+{
+  "other": {
+    "kind": "other",
+    "name": "cdi-jta",
+    "title": "CDI JTA",
+    "description": "JTA Transaction support for Camel CDI",
+    "deprecated": false,
+    "firstVersion": "3.15.0",
+    "label": "java",
+    "supportLevel": "Preview",
+    "groupId": "org.apache.camel",
+    "artifactId": "camel-cdi-jta",
+    "version": "3.15.0-SNAPSHOT"
+  }
+}
diff --git a/components/camel-cdi-jta/src/main/docs/cdi-jta.adoc b/components/camel-cdi-jta/src/main/docs/cdi-jta.adoc
new file mode 100644
index 0000000..52fab1b
--- /dev/null
+++ b/components/camel-cdi-jta/src/main/docs/cdi-jta.adoc
@@ -0,0 +1,11 @@
+= CDI JTA Component
+:doctitle: CDI JTA
+:shortname: cdi-jta
+:artifactid: camel-cdi-jta
+:description: JTA Transaction support for Camel CDI
+:since: 3.15
+:supportlevel: Preview
+
+*Since Camel {since}*
+
+This module is JTA Transaction support for Camel CDI.
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/CdiRouteBuilder.java b/components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/CdiRouteBuilder.java
similarity index 100%
rename from components/camel-cdi/src/main/java/org/apache/camel/cdi/CdiRouteBuilder.java
rename to components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/CdiRouteBuilder.java
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/MandatoryJtaTransactionPolicy.java b/components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/MandatoryJtaTransactionPolicy.java
similarity index 100%
rename from components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/MandatoryJtaTransactionPolicy.java
rename to components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/MandatoryJtaTransactionPolicy.java
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/NestedJtaTransactionPolicy.java b/components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/NestedJtaTransactionPolicy.java
similarity index 100%
rename from components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/NestedJtaTransactionPolicy.java
rename to components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/NestedJtaTransactionPolicy.java
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/NeverJtaTransactionPolicy.java b/components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/NeverJtaTransactionPolicy.java
similarity index 100%
rename from components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/NeverJtaTransactionPolicy.java
rename to components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/NeverJtaTransactionPolicy.java
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/NotSupportedJtaTransactionPolicy.java b/components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/NotSupportedJtaTransactionPolicy.java
similarity index 100%
rename from components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/NotSupportedJtaTransactionPolicy.java
rename to components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/NotSupportedJtaTransactionPolicy.java
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/RequiredJtaTransactionPolicy.java b/components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/RequiredJtaTransactionPolicy.java
similarity index 100%
rename from components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/RequiredJtaTransactionPolicy.java
rename to components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/RequiredJtaTransactionPolicy.java
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/RequiresNewJtaTransactionPolicy.java b/components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/RequiresNewJtaTransactionPolicy.java
similarity index 100%
rename from components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/RequiresNewJtaTransactionPolicy.java
rename to components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/RequiresNewJtaTransactionPolicy.java
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/SupportsJtaTransactionPolicy.java b/components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/SupportsJtaTransactionPolicy.java
similarity index 100%
rename from components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/SupportsJtaTransactionPolicy.java
rename to components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/SupportsJtaTransactionPolicy.java
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/TransactionalJtaTransactionPolicy.java b/components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/TransactionalJtaTransactionPolicy.java
similarity index 100%
rename from components/camel-cdi/src/main/java/org/apache/camel/cdi/transaction/TransactionalJtaTransactionPolicy.java
rename to components/camel-cdi-jta/src/main/java/org/apache/camel/cdi/transaction/TransactionalJtaTransactionPolicy.java
diff --git a/components/camel-cdi-jta/src/main/resources/META-INF/beans.xml b/components/camel-cdi-jta/src/main/resources/META-INF/beans.xml
new file mode 100644
index 0000000..109cc2c
--- /dev/null
+++ b/components/camel-cdi-jta/src/main/resources/META-INF/beans.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    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.
+
+-->
+<beans version="1.0" bean-discovery-mode="all">
+
+    <scan>
+        <exclude name="org.apache.camel.cdi.transaction.*">
+            <if-class-not-available name="javax.transaction.Transaction"/>
+        </exclude>
+    </scan>
+
+</beans>
\ No newline at end of file
diff --git a/components/camel-cdi/pom.xml b/components/camel-cdi/pom.xml
index fea2dcb..d9722d3 100644
--- a/components/camel-cdi/pom.xml
+++ b/components/camel-cdi/pom.xml
@@ -73,10 +73,6 @@
         </dependency>
         <dependency>
             <groupId>org.apache.camel</groupId>
-            <artifactId>camel-jta</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.camel</groupId>
             <artifactId>camel-mock</artifactId>
         </dependency>
 
@@ -92,14 +88,6 @@
             <optional>true</optional>
         </dependency>
 
-        <dependency>
-            <groupId>javax.transaction</groupId>
-            <artifactId>javax.transaction-api</artifactId>
-            <version>${jta-api-1.2-version}</version>
-            <scope>provided</scope>
-            <optional>true</optional>
-        </dependency>
-
         <!-- test dependencies -->
         <dependency>
             <groupId>org.apache.camel</groupId>
diff --git a/components/camel-cdi/src/main/docs/cdi.adoc b/components/camel-cdi/src/main/docs/cdi.adoc
index 5f9c937..3102a69 100644
--- a/components/camel-cdi/src/main/docs/cdi.adoc
+++ b/components/camel-cdi/src/main/docs/cdi.adoc
@@ -689,6 +689,8 @@ configuration, e.g.:
 
 == Transaction support
 
+NOTE: You must add camel-cdi-jta JAR as dependency for Camel CDI transaction support.
+
 Camel CDI provides support for Camel transactional client using JTA.
 
 That support is optional hence you need to have JTA in your application classpath, e.g., by explicitly add JTA as a dependency when using Maven:
@@ -771,7 +773,7 @@ The list of supported transaction policy names is:
 
 Camel CDI provides a transactional error handler that extends the redelivery error handler, forces a rollback whenever an exception occurs and creates a new transaction for each redelivery.
 
-Camel CDI provides the `CdiRouteBuilder` class that exposes the `transactionErrorHandler` helper method to enable quick access to the configuration, e.g.:
+The `camel-cdi-jta` provides the `CdiRouteBuilder` class that exposes the `transactionErrorHandler` helper method to enable quick access to the configuration, e.g.:
 
 [source,java]
 ----
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/XmlCdiBeanFactory.java b/components/camel-cdi/src/main/java/org/apache/camel/cdi/XmlCdiBeanFactory.java
index 5875873..4c7c515 100644
--- a/components/camel-cdi/src/main/java/org/apache/camel/cdi/XmlCdiBeanFactory.java
+++ b/components/camel-cdi/src/main/java/org/apache/camel/cdi/XmlCdiBeanFactory.java
@@ -51,6 +51,7 @@ import org.apache.camel.model.RouteDefinition;
 import org.apache.camel.model.RouteTemplateDefinition;
 import org.apache.camel.model.RoutesDefinition;
 import org.apache.camel.model.rest.RestDefinition;
+import org.apache.camel.util.ObjectHelper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -429,16 +430,19 @@ final class XmlCdiBeanFactory {
             throw attributeNotSupported("executorServiceRef", type, definition.getId());
         }
 
+        String fqn = type.getTypeAsClass();
+        final Class<?> clazz = ObjectHelper.loadClass(fqn);
+
         return new XmlErrorHandlerFactoryBean(
                 manager,
                 new SyntheticAnnotated(
-                        type.getTypeAsClass(),
-                        manager.createAnnotatedType(type.getTypeAsClass()).getTypeClosure(),
+                        clazz,
+                        manager.createAnnotatedType(clazz).getTypeClosure(),
                         ANY, NamedLiteral.of(definition.getId())),
-                type.getTypeAsClass(), bean -> "imported error handler with "
-                                               + "id [" + definition.getId() + "] "
-                                               + "from resource [" + url + "] "
-                                               + "with qualifiers " + bean.getQualifiers(),
+                clazz, bean -> "imported error handler with "
+                               + "id [" + definition.getId() + "] "
+                               + "from resource [" + url + "] "
+                               + "with qualifiers " + bean.getQualifiers(),
                 definition);
     }
 
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/XmlErrorHandlerFactoryBean.java b/components/camel-cdi/src/main/java/org/apache/camel/cdi/XmlErrorHandlerFactoryBean.java
index 8b087f0..a36f8b1 100644
--- a/components/camel-cdi/src/main/java/org/apache/camel/cdi/XmlErrorHandlerFactoryBean.java
+++ b/components/camel-cdi/src/main/java/org/apache/camel/cdi/XmlErrorHandlerFactoryBean.java
@@ -31,6 +31,7 @@ import org.apache.camel.builder.ErrorHandlerBuilder;
 import org.apache.camel.cdi.xml.ErrorHandlerDefinition;
 import org.apache.camel.cdi.xml.RedeliveryPolicyFactoryBean;
 import org.apache.camel.processor.errorhandler.RedeliveryPolicy;
+import org.apache.camel.util.ObjectHelper;
 
 import static java.lang.Boolean.parseBoolean;
 import static java.lang.String.format;
@@ -56,7 +57,9 @@ final class XmlErrorHandlerFactoryBean extends SyntheticBean<ErrorHandlerBuilder
     @Override
     public ErrorHandlerBuilder create(CreationalContext<ErrorHandlerBuilder> creationalContext) {
         try {
-            ErrorHandlerBuilder builder = handler.getType().getTypeAsClass().newInstance();
+            String fqn = handler.getType().getTypeAsClass();
+            Class<?> clazz = ObjectHelper.loadClass(fqn);
+            ErrorHandlerBuilder builder = (ErrorHandlerBuilder) clazz.newInstance();
 
             switch (handler.getType()) {
                 case DefaultErrorHandler:
diff --git a/components/camel-cdi/src/main/java/org/apache/camel/cdi/xml/ErrorHandlerType.java b/components/camel-cdi/src/main/java/org/apache/camel/cdi/xml/ErrorHandlerType.java
index 6624a4f..1bd1bc6 100644
--- a/components/camel-cdi/src/main/java/org/apache/camel/cdi/xml/ErrorHandlerType.java
+++ b/components/camel-cdi/src/main/java/org/apache/camel/cdi/xml/ErrorHandlerType.java
@@ -21,9 +21,7 @@ import javax.xml.bind.annotation.XmlType;
 
 import org.apache.camel.builder.DeadLetterChannelBuilder;
 import org.apache.camel.builder.DefaultErrorHandlerBuilder;
-import org.apache.camel.builder.ErrorHandlerBuilder;
 import org.apache.camel.builder.NoErrorHandlerBuilder;
-import org.apache.camel.jta.JtaTransactionErrorHandlerBuilder;
 
 /**
  * Used to configure the errorHandler type
@@ -39,20 +37,20 @@ public enum ErrorHandlerType {
     TransactionErrorHandler;
 
     /**
-     * Get the type as class.
+     * Get the type as class FQN name.
      *
      * @return the class which represents the selected type.
      */
-    public Class<? extends ErrorHandlerBuilder> getTypeAsClass() {
+    public String getTypeAsClass() {
         switch (this) {
             case DefaultErrorHandler:
-                return DefaultErrorHandlerBuilder.class;
+                return DefaultErrorHandlerBuilder.class.getName();
             case DeadLetterChannel:
-                return DeadLetterChannelBuilder.class;
+                return DeadLetterChannelBuilder.class.getName();
             case NoErrorHandler:
-                return NoErrorHandlerBuilder.class;
+                return NoErrorHandlerBuilder.class.getName();
             case TransactionErrorHandler:
-                return JtaTransactionErrorHandlerBuilder.class;
+                return "org.apache.camel.jta.JtaTransactionErrorHandlerBuilder";
             default:
                 throw new IllegalArgumentException("Unknown error handler: " + this);
         }
diff --git a/parent/pom.xml b/parent/pom.xml
index e55e886..844b03d 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -1117,6 +1117,11 @@
 			</dependency>
 			<dependency>
 				<groupId>org.apache.camel</groupId>
+				<artifactId>camel-cdi-jta</artifactId>
+				<version>${project.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.apache.camel</groupId>
 				<artifactId>camel-cdi-main</artifactId>
 				<version>${project.version}</version>
 			</dependency>