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Posted to commits@camel.apache.org by da...@apache.org on 2016/04/19 18:19:41 UTC

[22/24] camel git commit: CAMEL-9879: Circuit Breaker EIP - That is using hystrix

CAMEL-9879: Circuit Breaker EIP - That is using hystrix


Project: http://git-wip-us.apache.org/repos/asf/camel/repo
Commit: http://git-wip-us.apache.org/repos/asf/camel/commit/89635686
Tree: http://git-wip-us.apache.org/repos/asf/camel/tree/89635686
Diff: http://git-wip-us.apache.org/repos/asf/camel/diff/89635686

Branch: refs/heads/master
Commit: 896356867058a7ce282ca8972d73e9d77e6c7437
Parents: a192ff68
Author: Claus Ibsen <da...@apache.org>
Authored: Tue Apr 19 14:02:26 2016 +0200
Committer: Claus Ibsen <da...@apache.org>
Committed: Tue Apr 19 18:16:45 2016 +0200

----------------------------------------------------------------------
 .../model/HystrixConfigurationDefinition.java   |  2 +-
 .../blueprint/CamelContextFactoryBean.java      |  2 +
 .../processor/HystrixRouteConfigTest.java       | 53 ++++++++++++++++++++
 .../SpringHystrixRouteConfigRefTest.java        | 40 +++++++++++++++
 .../processor/SpringHystrixRouteConfigTest.java | 40 +++++++++++++++
 .../SpringHystrixRouteConfigRefTest.xml         | 49 ++++++++++++++++++
 .../processor/SpringHystrixRouteConfigTest.xml  | 47 +++++++++++++++++
 .../camel/spring/CamelContextFactoryBean.java   |  2 +
 .../spring/handler/CamelNamespaceHandler.java   |  4 +-
 9 files changed, 237 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/camel/blob/89635686/camel-core/src/main/java/org/apache/camel/model/HystrixConfigurationDefinition.java
----------------------------------------------------------------------
diff --git a/camel-core/src/main/java/org/apache/camel/model/HystrixConfigurationDefinition.java b/camel-core/src/main/java/org/apache/camel/model/HystrixConfigurationDefinition.java
index 5ea084e..c20d3ce 100644
--- a/camel-core/src/main/java/org/apache/camel/model/HystrixConfigurationDefinition.java
+++ b/camel-core/src/main/java/org/apache/camel/model/HystrixConfigurationDefinition.java
@@ -31,7 +31,7 @@ import org.apache.camel.spi.Metadata;
 @Metadata(label = "eip,routing,circuitbreaker")
 @XmlRootElement(name = "hystrixConfiguration")
 @XmlAccessorType(XmlAccessType.FIELD)
-public class HystrixConfigurationDefinition {
+public class HystrixConfigurationDefinition extends IdentifiedType {
 
     @XmlTransient
     private HystrixDefinition parent;

http://git-wip-us.apache.org/repos/asf/camel/blob/89635686/components/camel-blueprint/src/main/java/org/apache/camel/blueprint/CamelContextFactoryBean.java
----------------------------------------------------------------------
diff --git a/components/camel-blueprint/src/main/java/org/apache/camel/blueprint/CamelContextFactoryBean.java b/components/camel-blueprint/src/main/java/org/apache/camel/blueprint/CamelContextFactoryBean.java
index aaebc7f..0c6e832 100644
--- a/components/camel-blueprint/src/main/java/org/apache/camel/blueprint/CamelContextFactoryBean.java
+++ b/components/camel-blueprint/src/main/java/org/apache/camel/blueprint/CamelContextFactoryBean.java
@@ -44,6 +44,7 @@ import org.apache.camel.core.xml.CamelPropertyPlaceholderDefinition;
 import org.apache.camel.core.xml.CamelServiceExporterDefinition;
 import org.apache.camel.core.xml.CamelStreamCachingStrategyDefinition;
 import org.apache.camel.model.ContextScanDefinition;
+import org.apache.camel.model.HystrixConfigurationDefinition;
 import org.apache.camel.model.InterceptDefinition;
 import org.apache.camel.model.InterceptFromDefinition;
 import org.apache.camel.model.InterceptSendToEndpointDefinition;
@@ -140,6 +141,7 @@ public class CamelContextFactoryBean extends AbstractCamelContextFactoryBean<Blu
     @XmlElement(name = "streamCaching", type = CamelStreamCachingStrategyDefinition.class, required = false)
     private CamelStreamCachingStrategyDefinition camelStreamCachingStrategy;
     @XmlElements({
+        @XmlElement(name = "hystrixConfiguration", type = HystrixConfigurationDefinition.class, required = false),
         @XmlElement(name = "template", type = CamelProducerTemplateFactoryBean.class, required = false),
         @XmlElement(name = "consumerTemplate", type = CamelConsumerTemplateFactoryBean.class, required = false),
         @XmlElement(name = "proxy", type = CamelProxyFactoryBean.class, required = false),

http://git-wip-us.apache.org/repos/asf/camel/blob/89635686/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/HystrixRouteConfigTest.java
----------------------------------------------------------------------
diff --git a/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/HystrixRouteConfigTest.java b/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/HystrixRouteConfigTest.java
new file mode 100644
index 0000000..5faefb9
--- /dev/null
+++ b/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/HystrixRouteConfigTest.java
@@ -0,0 +1,53 @@
+/**
+ * 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.component.hystrix.processor;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Test;
+
+public class HystrixRouteConfigTest extends CamelTestSupport {
+
+    @Test
+    public void testHystrix() throws Exception {
+        getMockEndpoint("mock:result").expectedBodiesReceived("Bye World");
+
+        template.sendBody("direct:start", "Hello World");
+
+        assertMockEndpointsSatisfied();
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("direct:start")
+                    .hystrix().configure().requestCacheEnabled(false).corePoolSize(5).end()
+                        .to("direct:foo")
+                    .fallback()
+                        .transform().constant("Fallback message")
+                    .end()
+                    .to("mock:result");
+
+                from("direct:foo")
+                    .transform().constant("Bye World");
+            }
+        };
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/89635686/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigRefTest.java
----------------------------------------------------------------------
diff --git a/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigRefTest.java b/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigRefTest.java
new file mode 100644
index 0000000..dcf9dc0
--- /dev/null
+++ b/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigRefTest.java
@@ -0,0 +1,40 @@
+/**
+ * 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.component.hystrix.processor;
+
+import org.apache.camel.test.spring.CamelSpringTestSupport;
+import org.junit.Test;
+import org.springframework.context.support.AbstractApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class SpringHystrixRouteConfigRefTest extends CamelSpringTestSupport {
+
+    @Override
+    protected AbstractApplicationContext createApplicationContext() {
+        return new ClassPathXmlApplicationContext("org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigRefTest.xml");
+    }
+
+    @Test
+    public void testHystrix() throws Exception {
+        getMockEndpoint("mock:result").expectedBodiesReceived("Bye World");
+
+        template.sendBody("direct:start", "Hello World");
+
+        assertMockEndpointsSatisfied();
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/89635686/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigTest.java
----------------------------------------------------------------------
diff --git a/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigTest.java b/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigTest.java
new file mode 100644
index 0000000..d0a52b1
--- /dev/null
+++ b/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigTest.java
@@ -0,0 +1,40 @@
+/**
+ * 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.component.hystrix.processor;
+
+import org.apache.camel.test.spring.CamelSpringTestSupport;
+import org.junit.Test;
+import org.springframework.context.support.AbstractApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class SpringHystrixRouteConfigTest extends CamelSpringTestSupport {
+
+    @Override
+    protected AbstractApplicationContext createApplicationContext() {
+        return new ClassPathXmlApplicationContext("org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigTest.xml");
+    }
+
+    @Test
+    public void testHystrix() throws Exception {
+        getMockEndpoint("mock:result").expectedBodiesReceived("Bye World");
+
+        template.sendBody("direct:start", "Hello World");
+
+        assertMockEndpointsSatisfied();
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/89635686/components/camel-hystrix/src/test/resources/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigRefTest.xml
----------------------------------------------------------------------
diff --git a/components/camel-hystrix/src/test/resources/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigRefTest.xml b/components/camel-hystrix/src/test/resources/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigRefTest.xml
new file mode 100644
index 0000000..887e81e
--- /dev/null
+++ b/components/camel-hystrix/src/test/resources/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigRefTest.xml
@@ -0,0 +1,49 @@
+<?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 xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="
+		http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd
+		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd ">
+
+  <camelContext xmlns="http://camel.apache.org/schema/spring">
+
+    <hystrixConfiguration id="hysConfig" requestCacheEnabled="false" corePoolSize="5"/>
+
+    <route>
+      <from uri="direct:start"/>
+      <hystrix hystrixConfigurationRef="hysConfig">
+        <to uri="direct:foo"/>
+        <fallback>
+          <transform>
+            <constant>Fallback message</constant>
+          </transform>
+        </fallback>
+      </hystrix>
+      <to uri="mock:result"/>
+    </route>
+
+    <route>
+      <from uri="direct:foo"/>
+      <transform>
+        <constant>Bye World</constant>
+      </transform>
+    </route>
+  </camelContext>
+
+</beans>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/camel/blob/89635686/components/camel-hystrix/src/test/resources/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigTest.xml
----------------------------------------------------------------------
diff --git a/components/camel-hystrix/src/test/resources/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigTest.xml b/components/camel-hystrix/src/test/resources/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigTest.xml
new file mode 100644
index 0000000..e7e964a
--- /dev/null
+++ b/components/camel-hystrix/src/test/resources/org/apache/camel/component/hystrix/processor/SpringHystrixRouteConfigTest.xml
@@ -0,0 +1,47 @@
+<?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 xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="
+		http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd
+		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd ">
+
+  <camelContext xmlns="http://camel.apache.org/schema/spring">
+    <route>
+      <from uri="direct:start"/>
+      <hystrix>
+        <hystrixConfiguration requestCacheEnabled="false" corePoolSize="5"/>
+        <to uri="direct:foo"/>
+        <fallback>
+          <transform>
+            <constant>Fallback message</constant>
+          </transform>
+        </fallback>
+      </hystrix>
+      <to uri="mock:result"/>
+    </route>
+
+    <route>
+      <from uri="direct:foo"/>
+      <transform>
+        <constant>Bye World</constant>
+      </transform>
+    </route>
+  </camelContext>
+
+</beans>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/camel/blob/89635686/components/camel-spring/src/main/java/org/apache/camel/spring/CamelContextFactoryBean.java
----------------------------------------------------------------------
diff --git a/components/camel-spring/src/main/java/org/apache/camel/spring/CamelContextFactoryBean.java b/components/camel-spring/src/main/java/org/apache/camel/spring/CamelContextFactoryBean.java
index 4c6af83..6179724 100644
--- a/components/camel-spring/src/main/java/org/apache/camel/spring/CamelContextFactoryBean.java
+++ b/components/camel-spring/src/main/java/org/apache/camel/spring/CamelContextFactoryBean.java
@@ -45,6 +45,7 @@ import org.apache.camel.core.xml.CamelProxyFactoryDefinition;
 import org.apache.camel.core.xml.CamelServiceExporterDefinition;
 import org.apache.camel.core.xml.CamelStreamCachingStrategyDefinition;
 import org.apache.camel.model.ContextScanDefinition;
+import org.apache.camel.model.HystrixConfigurationDefinition;
 import org.apache.camel.model.InterceptDefinition;
 import org.apache.camel.model.InterceptFromDefinition;
 import org.apache.camel.model.InterceptSendToEndpointDefinition;
@@ -150,6 +151,7 @@ public class CamelContextFactoryBean extends AbstractCamelContextFactoryBean<Spr
     @XmlElement(name = "jmxAgent", type = CamelJMXAgentDefinition.class, required = false)
     private CamelJMXAgentDefinition camelJMXAgent;
     @XmlElements({
+            @XmlElement(name = "hystrixConfiguration", type = HystrixConfigurationDefinition.class, required = false),
             @XmlElement(name = "template", type = CamelProducerTemplateFactoryBean.class, required = false),
             @XmlElement(name = "consumerTemplate", type = CamelConsumerTemplateFactoryBean.class, required = false),
             @XmlElement(name = "proxy", type = CamelProxyFactoryDefinition.class, required = false),

http://git-wip-us.apache.org/repos/asf/camel/blob/89635686/components/camel-spring/src/main/java/org/apache/camel/spring/handler/CamelNamespaceHandler.java
----------------------------------------------------------------------
diff --git a/components/camel-spring/src/main/java/org/apache/camel/spring/handler/CamelNamespaceHandler.java b/components/camel-spring/src/main/java/org/apache/camel/spring/handler/CamelNamespaceHandler.java
index 4979254..c6b938d 100644
--- a/components/camel-spring/src/main/java/org/apache/camel/spring/handler/CamelNamespaceHandler.java
+++ b/components/camel-spring/src/main/java/org/apache/camel/spring/handler/CamelNamespaceHandler.java
@@ -26,6 +26,7 @@ import javax.xml.bind.Binder;
 import javax.xml.bind.JAXBContext;
 import javax.xml.bind.JAXBException;
 
+import org.apache.camel.model.HystrixConfigurationDefinition;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.NamedNodeMap;
@@ -138,10 +139,11 @@ public class CamelNamespaceHandler extends NamespaceHandlerSupport {
         addBeanDefinitionParser("threadPool", CamelThreadPoolFactoryBean.class, true, true);
         addBeanDefinitionParser("redeliveryPolicyProfile", CamelRedeliveryPolicyFactoryBean.class, true, true);
 
-        // jmx agent, stream caching, and property placeholder cannot be used outside of the camel context
+        // jmx agent, stream caching, hystrix configuration and property placeholder cannot be used outside of the camel context
         addBeanDefinitionParser("jmxAgent", CamelJMXAgentDefinition.class, false, false);
         addBeanDefinitionParser("streamCaching", CamelStreamCachingStrategyDefinition.class, false, false);
         addBeanDefinitionParser("propertyPlaceholder", CamelPropertyPlaceholderDefinition.class, false, false);
+        addBeanDefinitionParser("hystrixConfiguration", HystrixConfigurationDefinition.class, false, false);
 
         // errorhandler could be the sub element of camelContext or defined outside camelContext
         BeanDefinitionParser errorHandlerParser = new ErrorHandlerDefinitionParser();