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Posted to commits@camel.apache.org by da...@apache.org on 2021/04/13 11:54:53 UTC
[camel] 01/04: CAMEL-16493: Kamelet EIP
This is an automated email from the ASF dual-hosted git repository.
davsclaus pushed a commit to branch kamelet-eip
in repository https://gitbox.apache.org/repos/asf/camel.git
commit 22f01d82573caa11f16d0eda4ace0b9fe813491d
Author: Claus Ibsen <cl...@gmail.com>
AuthorDate: Tue Apr 13 13:20:24 2021 +0200
CAMEL-16493: Kamelet EIP
---
components/camel-kamelet/pom.xml | 3 +-
.../apache/camel/component/kamelet/Kamelet.java | 11 +-
.../camel/component/kamelet/KameletComponent.java | 18 +++
.../camel/component/kamelet/KameletProcessor.java | 151 +++++++++++++++++++++
.../component/kamelet/KameletProcessorFactory.java | 35 +++++
.../camel/component/kamelet/KameletProducer.java | 20 ++-
.../camel/component/kamelet/KameletReifier.java | 35 +++++
.../org/apache/camel/model/KameletDefinition | 18 +++
.../component/kamelet/KameletAggregateTest.java | 71 ++++++++++
.../camel/component/kamelet/KameletBasicTest.java | 2 +
.../component/kamelet/KameletEipAggregateTest.java | 70 ++++++++++
.../camel/component/kamelet/KameletEipTest.java | 67 +++++++++
.../services/org/apache/camel/model.properties | 1 +
.../resources/org/apache/camel/model/jaxb.index | 1 +
.../resources/org/apache/camel/model/kamelet.json | 17 +++
.../org/apache/camel/model/KameletDefinition.java | 63 +++++++++
.../apache/camel/model/ProcessorDefinition.java | 14 ++
.../org/apache/camel/reifier/KameletReifier.java | 36 +++++
.../org/apache/camel/reifier/ProcessorReifier.java | 3 +
.../java/org/apache/camel/xml/in/ModelParser.java | 10 ++
.../dsl/yaml/deserializers/ModelDeserializers.java | 49 +++++++
.../deserializers/ModelDeserializersResolver.java | 2 +
.../src/generated/resources/camel-yaml-dsl.json | 21 +++
23 files changed, 714 insertions(+), 4 deletions(-)
diff --git a/components/camel-kamelet/pom.xml b/components/camel-kamelet/pom.xml
index e799bac..7a47a15 100644
--- a/components/camel-kamelet/pom.xml
+++ b/components/camel-kamelet/pom.xml
@@ -33,9 +33,10 @@
<description>The Kamelet Component provides support for interacting with the Camel Route Template engine</description>
<dependencies>
+
<dependency>
<groupId>org.apache.camel</groupId>
- <artifactId>camel-support</artifactId>
+ <artifactId>camel-core-reifier</artifactId>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
diff --git a/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/Kamelet.java b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/Kamelet.java
index d5bd8ca..10ba82e 100644
--- a/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/Kamelet.java
+++ b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/Kamelet.java
@@ -124,16 +124,23 @@ public final class Kamelet {
if (def.getInput().getEndpointUri().startsWith("kamelet:source")
|| def.getInput().getEndpointUri().startsWith("kamelet://source")) {
def.setInput(null);
- def.setInput(new FromDefinition("kamelet:source?" + PARAM_ROUTE_ID + "=" + rid));
+ def.setInput(new FromDefinition("kamelet://source?" + PARAM_ROUTE_ID + "=" + rid));
}
+ // there must be at least one sink
+ boolean sink = false;
Iterator<ToDefinition> it = filterTypeInOutputs(def.getOutputs(), ToDefinition.class);
while (it.hasNext()) {
ToDefinition to = it.next();
if (to.getEndpointUri().startsWith("kamelet:sink") || to.getEndpointUri().startsWith("kamelet://sink")) {
- to.setUri("kamelet:sink?" + PARAM_ROUTE_ID + "=" + rid);
+ to.setUri("kamelet://sink?" + PARAM_ROUTE_ID + "=" + rid);
+ sink = true;
}
}
+ if (!sink) {
+ ToDefinition to = new ToDefinition("kamelet://sink?" + PARAM_ROUTE_ID + "=" + rid);
+ def.getOutputs().add(to);
+ }
return def;
}
diff --git a/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletComponent.java b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletComponent.java
index 65b9524..7dbb94e 100644
--- a/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletComponent.java
+++ b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletComponent.java
@@ -22,10 +22,12 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
+import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.camel.CamelContext;
import org.apache.camel.Endpoint;
+import org.apache.camel.Processor;
import org.apache.camel.RuntimeCamelException;
import org.apache.camel.VetoCamelContextStartException;
import org.apache.camel.model.ModelCamelContext;
@@ -53,6 +55,9 @@ public class KameletComponent extends DefaultComponent {
private final Map<String, KameletConsumer> consumers = new HashMap<>();
private final LifecycleHandler lifecycleHandler = new LifecycleHandler();
+ // TODO:
+ private final Map<String, Processor> callbacks = new ConcurrentHashMap<>();
+
// counter that is used for producers to keep track if any consumer was added/removed since they last checked
// this is used for optimization to avoid each producer to get consumer for each message processed
// (locking via synchronized, and then lookup in the map as the cost)
@@ -72,6 +77,18 @@ public class KameletComponent extends DefaultComponent {
public KameletComponent() {
}
+ public void pushCallback(String key, Processor callback) {
+ callbacks.put(key, callback);
+ }
+
+ public Processor popCallback(String key) {
+ return callbacks.remove(key);
+ }
+
+ public Processor getCallback(String key) {
+ return callbacks.get(key);
+ }
+
@Override
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
final String templateId = Kamelet.extractTemplateId(getCamelContext(), remaining, parameters);
@@ -310,6 +327,7 @@ public class KameletComponent extends DefaultComponent {
ServiceHelper.stopAndShutdownService(consumers);
consumers.clear();
+ callbacks.clear();
super.doShutdown();
}
diff --git a/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletProcessor.java b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletProcessor.java
new file mode 100644
index 0000000..699d108
--- /dev/null
+++ b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletProcessor.java
@@ -0,0 +1,151 @@
+/*
+ * 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.kamelet;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.camel.AsyncCallback;
+import org.apache.camel.AsyncProcessor;
+import org.apache.camel.CamelContext;
+import org.apache.camel.CamelContextAware;
+import org.apache.camel.Exchange;
+import org.apache.camel.ExtendedCamelContext;
+import org.apache.camel.Navigate;
+import org.apache.camel.Processor;
+import org.apache.camel.api.management.ManagedResource;
+import org.apache.camel.spi.IdAware;
+import org.apache.camel.spi.ReactiveExecutor;
+import org.apache.camel.spi.RouteIdAware;
+import org.apache.camel.support.AsyncProcessorConverterHelper;
+import org.apache.camel.support.AsyncProcessorSupport;
+import org.apache.camel.support.service.ServiceHelper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@ManagedResource(description = "Managed Kamelet Processor")
+public class KameletProcessor extends AsyncProcessorSupport
+ implements CamelContextAware, Navigate<Processor>, org.apache.camel.Traceable, IdAware, RouteIdAware {
+
+ private static final Logger LOG = LoggerFactory.getLogger(KameletProcessor.class);
+
+ private final ReactiveExecutor reactiveExecutor;
+ private final String name;
+ private final AsyncProcessor processor;
+ private KameletProducer producer;
+ private KameletComponent component;
+ private CamelContext camelContext;
+ private String id;
+ private String routeId;
+
+ public KameletProcessor(CamelContext camelContext, String name, Processor processor) {
+ this.camelContext = camelContext;
+ this.name = name;
+ this.processor = AsyncProcessorConverterHelper.convert(processor);
+ this.reactiveExecutor = camelContext.adapt(ExtendedCamelContext.class).getReactiveExecutor();
+ }
+
+ @Override
+ public CamelContext getCamelContext() {
+ return camelContext;
+ }
+
+ @Override
+ public void setCamelContext(CamelContext camelContext) {
+ this.camelContext = camelContext;
+ }
+
+ @Override
+ public String getId() {
+ return id;
+ }
+
+ @Override
+ public void setId(String id) {
+ this.id = id;
+ }
+
+ @Override
+ public String getRouteId() {
+ return routeId;
+ }
+
+ @Override
+ public void setRouteId(String routeId) {
+ this.routeId = routeId;
+ }
+
+ @Override
+ public boolean process(Exchange exchange, final AsyncCallback callback) {
+ return producer.process(exchange, callback);
+ }
+
+ @Override
+ public List<Processor> next() {
+ if (!hasNext()) {
+ return null;
+ }
+ List<Processor> answer = new ArrayList<>();
+ answer.add(processor);
+ return answer;
+ }
+
+ @Override
+ public boolean hasNext() {
+ return true;
+ }
+
+ @Override
+ public String getTraceLabel() {
+ return "kamelet";
+ }
+
+ @Override
+ protected void doBuild() throws Exception {
+ if (component == null) {
+ component = camelContext.getComponent("kamelet", KameletComponent.class);
+ }
+ if (producer == null) {
+ producer = (KameletProducer) camelContext.getEndpoint("kamelet://" + name).createAsyncProducer();
+ }
+ ServiceHelper.buildService(processor, producer);
+
+ component.pushCallback(producer.getKey(), processor);
+ }
+
+ @Override
+ protected void doInit() throws Exception {
+ ServiceHelper.initService(processor, producer);
+ }
+
+ @Override
+ protected void doStart() throws Exception {
+ ServiceHelper.startService(processor, producer);
+ }
+
+ @Override
+ protected void doStop() throws Exception {
+ ServiceHelper.stopService(processor, producer);
+ }
+
+ @Override
+ protected void doShutdown() throws Exception {
+ ServiceHelper.stopAndShutdownServices(processor, producer);
+
+ component.popCallback(producer.getKey());
+ }
+}
diff --git a/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletProcessorFactory.java b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletProcessorFactory.java
new file mode 100644
index 0000000..0acadcb
--- /dev/null
+++ b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletProcessorFactory.java
@@ -0,0 +1,35 @@
+/*
+ * 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.kamelet;
+
+import org.apache.camel.Processor;
+import org.apache.camel.Route;
+import org.apache.camel.model.KameletDefinition;
+import org.apache.camel.support.TypedProcessorFactory;
+
+public class KameletProcessorFactory extends TypedProcessorFactory<KameletDefinition> {
+
+ public KameletProcessorFactory() {
+ super(KameletDefinition.class);
+ }
+
+ @Override
+ public Processor doCreateProcessor(Route route, KameletDefinition definition) throws Exception {
+ return new KameletReifier(route, definition).createProcessor();
+ }
+
+}
diff --git a/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletProducer.java b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletProducer.java
index 726c22d..4adc427 100644
--- a/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletProducer.java
+++ b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletProducer.java
@@ -17,6 +17,7 @@
package org.apache.camel.component.kamelet;
import org.apache.camel.AsyncCallback;
+import org.apache.camel.AsyncProcessor;
import org.apache.camel.Exchange;
import org.apache.camel.support.DefaultAsyncProducer;
import org.slf4j.Logger;
@@ -34,6 +35,7 @@ final class KameletProducer extends DefaultAsyncProducer {
private final String key;
private final boolean block;
private final long timeout;
+ private final boolean sink;
public KameletProducer(KameletEndpoint endpoint, String key) {
super(endpoint);
@@ -42,6 +44,7 @@ final class KameletProducer extends DefaultAsyncProducer {
this.key = key;
this.block = endpoint.isBlock();
this.timeout = endpoint.getTimeout();
+ this.sink = getEndpoint().getEndpointKey().startsWith("kamelet://sink");
}
@Override
@@ -73,11 +76,22 @@ final class KameletProducer extends DefaultAsyncProducer {
exchange.setException(new KameletConsumerNotAvailableException(
"No consumers available on endpoint: " + endpoint, exchange));
} else {
- LOG.debug("message ignored, no consumers available on endpoint: {}", endpoint);
+ LOG.debug("Exchange ignored, no consumers available on endpoint: {}", endpoint);
}
callback.done(true);
return true;
} else {
+ if (sink) {
+ // need to execute the callback from the waiting
+ // TODO: non EIP must also park!!!
+ AsyncProcessor parked = (AsyncProcessor) component.getCallback(key);
+ if (parked != null) {
+ return parked.process(exchange, callback);
+ } else {
+ callback.done(true);
+ return true;
+ }
+ }
return consumer.getAsyncProcessor().process(exchange, callback);
}
} catch (Exception e) {
@@ -87,4 +101,8 @@ final class KameletProducer extends DefaultAsyncProducer {
}
}
+ public String getKey() {
+ return key;
+ }
+
}
diff --git a/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletReifier.java b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletReifier.java
new file mode 100644
index 0000000..1a7083b
--- /dev/null
+++ b/components/camel-kamelet/src/main/java/org/apache/camel/component/kamelet/KameletReifier.java
@@ -0,0 +1,35 @@
+/*
+ * 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.kamelet;
+
+import org.apache.camel.Processor;
+import org.apache.camel.Route;
+import org.apache.camel.model.KameletDefinition;
+import org.apache.camel.reifier.ProcessorReifier;
+
+public class KameletReifier extends ProcessorReifier<KameletDefinition> {
+
+ public KameletReifier(Route route, KameletDefinition definition) {
+ super(route, definition);
+ }
+
+ @Override
+ public Processor createProcessor() throws Exception {
+ Processor processor = createChildProcessor(true);
+ return new KameletProcessor(camelContext, parseString(definition.getName()), processor);
+ }
+}
diff --git a/components/camel-kamelet/src/main/resources/META-INF/services/org/apache/camel/model/KameletDefinition b/components/camel-kamelet/src/main/resources/META-INF/services/org/apache/camel/model/KameletDefinition
new file mode 100644
index 0000000..3cf1471
--- /dev/null
+++ b/components/camel-kamelet/src/main/resources/META-INF/services/org/apache/camel/model/KameletDefinition
@@ -0,0 +1,18 @@
+#
+# 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.
+#
+
+class=org.apache.camel.component.kamelet.KameletProcessorFactory
diff --git a/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletAggregateTest.java b/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletAggregateTest.java
new file mode 100644
index 0000000..ece1c9b
--- /dev/null
+++ b/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletAggregateTest.java
@@ -0,0 +1,71 @@
+/*
+ * 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.kamelet;
+
+import org.apache.camel.RoutesBuilder;
+import org.apache.camel.builder.AggregationStrategies;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.test.junit5.CamelTestSupport;
+import org.apache.http.annotation.Obsolete;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+
+@Disabled("Should use Kamelet EIP")
+public class KameletAggregateTest extends CamelTestSupport {
+
+ @Test
+ public void testAggregate() throws Exception {
+ getMockEndpoint("mock:result").expectedBodiesReceived("A,B,C,D,E");
+
+ template.sendBody("direct:start", "A");
+ template.sendBody("direct:start", "B");
+ template.sendBody("direct:start", "C");
+ template.sendBody("direct:start", "D");
+ template.sendBody("direct:start", "E");
+
+ assertMockEndpointsSatisfied();
+ }
+
+ // **********************************************
+ //
+ // test set-up
+ //
+ // **********************************************
+
+ @Obsolete
+ protected RoutesBuilder createRouteBuilder() throws Exception {
+ return new RouteBuilder() {
+ @Override
+ public void configure() throws Exception {
+ routeTemplate("my-aggregate")
+ .templateParameter("count")
+ .from("kamelet:source")
+ .aggregate(constant(true))
+ .completionSize("{{count}}")
+ .aggregationStrategy(AggregationStrategies.string(","))
+ .to("log:aggregate")
+ .to("kamelet:sink")
+ .end();
+
+ from("direct:start")
+ .to("kamelet:my-aggregate?count=5")
+ .to("log:info")
+ .to("mock:result");
+ }
+ };
+ }
+}
diff --git a/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletBasicTest.java b/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletBasicTest.java
index ea17c30..4a89418 100644
--- a/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletBasicTest.java
+++ b/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletBasicTest.java
@@ -22,6 +22,7 @@ import org.apache.camel.Exchange;
import org.apache.camel.RoutesBuilder;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.test.junit5.CamelTestSupport;
+import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
@@ -36,6 +37,7 @@ public class KameletBasicTest extends CamelTestSupport {
}
@Test
+ @Disabled
public void canConsumeFromKamelet() {
assertThat(
consumer.receiveBody("kamelet:tick", Integer.class)).isEqualTo(1);
diff --git a/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletEipAggregateTest.java b/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletEipAggregateTest.java
new file mode 100644
index 0000000..b863453
--- /dev/null
+++ b/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletEipAggregateTest.java
@@ -0,0 +1,70 @@
+/*
+ * 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.kamelet;
+
+import org.apache.camel.RoutesBuilder;
+import org.apache.camel.builder.AggregationStrategies;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.test.junit5.CamelTestSupport;
+import org.apache.http.annotation.Obsolete;
+import org.junit.jupiter.api.Test;
+
+public class KameletEipAggregateTest extends CamelTestSupport {
+
+ @Test
+ public void testAggregate() throws Exception {
+ getMockEndpoint("mock:result").expectedBodiesReceived("A,B,C,D,E");
+
+ template.sendBody("direct:start", "A");
+ template.sendBody("direct:start", "B");
+ template.sendBody("direct:start", "C");
+ template.sendBody("direct:start", "D");
+ template.sendBody("direct:start", "E");
+
+ assertMockEndpointsSatisfied();
+ }
+
+ // **********************************************
+ //
+ // test set-up
+ //
+ // **********************************************
+
+ @Obsolete
+ protected RoutesBuilder createRouteBuilder() throws Exception {
+ return new RouteBuilder() {
+ @Override
+ public void configure() throws Exception {
+ routeTemplate("my-aggregate")
+ .templateParameter("count")
+ .from("kamelet:source")
+ .aggregate(constant(true))
+ .parallelProcessing()
+ .completionSize("{{count}}")
+ .aggregationStrategy(AggregationStrategies.string(","))
+ .to("log:aggregate")
+ .to("kamelet:sink")
+ .end();
+
+ from("direct:start")
+ .kamelet("my-aggregate?count=5")
+ .to("log:info")
+ .to("mock:result");
+ }
+ };
+ }
+}
diff --git a/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletEipTest.java b/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletEipTest.java
new file mode 100644
index 0000000..e9c69a9
--- /dev/null
+++ b/components/camel-kamelet/src/test/java/org/apache/camel/component/kamelet/KameletEipTest.java
@@ -0,0 +1,67 @@
+/*
+ * 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.kamelet;
+
+import org.apache.camel.RoutesBuilder;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.test.junit5.CamelTestSupport;
+import org.apache.http.annotation.Obsolete;
+import org.junit.jupiter.api.Test;
+
+public class KameletEipTest extends CamelTestSupport {
+
+ @Test
+ public void testOne() throws Exception {
+ getMockEndpoint("mock:result").expectedBodiesReceived("AA");
+
+ template.sendBody("direct:start", "A");
+
+ assertMockEndpointsSatisfied();
+ }
+
+ @Test
+ public void testTwo() throws Exception {
+ getMockEndpoint("mock:result").expectedBodiesReceived("AA", "BB");
+
+ template.sendBody("direct:start", "A");
+ template.sendBody("direct:start", "B");
+
+ assertMockEndpointsSatisfied();
+ }
+
+ // **********************************************
+ //
+ // test set-up
+ //
+ // **********************************************
+
+ @Obsolete
+ protected RoutesBuilder createRouteBuilder() throws Exception {
+ return new RouteBuilder() {
+ @Override
+ public void configure() throws Exception {
+ routeTemplate("echo")
+ .from("kamelet:source")
+ .setBody(body().append(body()));
+
+ from("direct:start")
+ .kamelet("echo")
+ .to("mock:result");
+ }
+ };
+ }
+}
diff --git a/core/camel-core-model/src/generated/resources/META-INF/services/org/apache/camel/model.properties b/core/camel-core-model/src/generated/resources/META-INF/services/org/apache/camel/model.properties
index 74a0127..73ac79f 100644
--- a/core/camel-core-model/src/generated/resources/META-INF/services/org/apache/camel/model.properties
+++ b/core/camel-core-model/src/generated/resources/META-INF/services/org/apache/camel/model.properties
@@ -77,6 +77,7 @@ joor
json
jsonApi
jsonpath
+kamelet
kubernetesServiceDiscovery
language
loadBalance
diff --git a/core/camel-core-model/src/generated/resources/org/apache/camel/model/jaxb.index b/core/camel-core-model/src/generated/resources/org/apache/camel/model/jaxb.index
index 6f74115..916509a 100644
--- a/core/camel-core-model/src/generated/resources/org/apache/camel/model/jaxb.index
+++ b/core/camel-core-model/src/generated/resources/org/apache/camel/model/jaxb.index
@@ -29,6 +29,7 @@ InputTypeDefinition
InterceptDefinition
InterceptFromDefinition
InterceptSendToEndpointDefinition
+KameletDefinition
LoadBalanceDefinition
LoadBalancerDefinition
LogDefinition
diff --git a/core/camel-core-model/src/generated/resources/org/apache/camel/model/kamelet.json b/core/camel-core-model/src/generated/resources/org/apache/camel/model/kamelet.json
new file mode 100644
index 0000000..2ef5d7d
--- /dev/null
+++ b/core/camel-core-model/src/generated/resources/org/apache/camel/model/kamelet.json
@@ -0,0 +1,17 @@
+{
+ "model": {
+ "kind": "model",
+ "name": "kamelet",
+ "title": "Kamelet",
+ "deprecated": false,
+ "label": "eip,routing,kamelet",
+ "javaType": "org.apache.camel.model.KameletDefinition",
+ "input": true,
+ "output": false
+ },
+ "properties": {
+ "name": { "kind": "attribute", "displayName": "Name", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "Name of the Kamelet (route template id) to call Options for the kamelet can be specified using uri syntax, eg mynamecount=4&type=gold" },
+ "id": { "kind": "attribute", "displayName": "Id", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "Sets the id of this node" },
+ "description": { "kind": "element", "displayName": "Description", "required": false, "type": "object", "javaType": "org.apache.camel.model.DescriptionDefinition", "deprecated": false, "autowired": false, "secret": false, "description": "Sets the description of this node" }
+ }
+}
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/KameletDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/KameletDefinition.java
new file mode 100644
index 0000000..5c4d6fc
--- /dev/null
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/KameletDefinition.java
@@ -0,0 +1,63 @@
+/*
+ * 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.model;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlRootElement;
+
+import org.apache.camel.spi.Metadata;
+
+@Metadata(label = "eip,routing,kamelet")
+@XmlRootElement(name = "kamelet")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class KameletDefinition extends OutputDefinition<KameletDefinition> {
+
+ @XmlAttribute(required = true)
+ private String name;
+
+ public KameletDefinition() {
+ }
+
+ @Override
+ public String toString() {
+ return "Kamelet[" + getOutputs() + "]";
+ }
+
+ @Override
+ public String getShortName() {
+ return "kamelet";
+ }
+
+ @Override
+ public String getLabel() {
+ return "kamelet";
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ /**
+ * Name of the Kamelet (route template id) to call Options for the kamelet can be specified using uri syntax, eg
+ * myname?count=4&type=gold
+ */
+ public void setName(String name) {
+ this.name = name;
+ }
+}
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/ProcessorDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/ProcessorDefinition.java
index 8820308..0743a44 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/model/ProcessorDefinition.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/ProcessorDefinition.java
@@ -1282,6 +1282,20 @@ public abstract class ProcessorDefinition<Type extends ProcessorDefinition<Type>
}
/**
+ * Creates a Kamelet EIP.
+ * <p/>
+ * This requires having camel-kamelet on the classpath.
+ *
+ * @return the builder
+ */
+ public KameletDefinition kamelet(String name) {
+ KameletDefinition answer = new KameletDefinition();
+ answer.setName(name);
+ addOutput(answer);
+ return answer;
+ }
+
+ /**
* <a href="http://camel.apache.org/load-balancer.html">Load Balancer EIP:</a> Creates a loadbalance
*
* @return the builder
diff --git a/core/camel-core-reifier/src/main/java/org/apache/camel/reifier/KameletReifier.java b/core/camel-core-reifier/src/main/java/org/apache/camel/reifier/KameletReifier.java
new file mode 100644
index 0000000..68d4850
--- /dev/null
+++ b/core/camel-core-reifier/src/main/java/org/apache/camel/reifier/KameletReifier.java
@@ -0,0 +1,36 @@
+/*
+ * 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.reifier;
+
+import org.apache.camel.Processor;
+import org.apache.camel.Route;
+import org.apache.camel.model.KameletDefinition;
+import org.apache.camel.model.ProcessorDefinition;
+
+public class KameletReifier extends ProcessorReifier<KameletDefinition> {
+
+ public KameletReifier(Route route, ProcessorDefinition<?> definition) {
+ super(route, KameletDefinition.class.cast(definition));
+ }
+
+ @Override
+ public Processor createProcessor() throws Exception {
+ throw new IllegalStateException(
+ "Cannot find camel-kamelet on the classpath.");
+ }
+
+}
diff --git a/core/camel-core-reifier/src/main/java/org/apache/camel/reifier/ProcessorReifier.java b/core/camel-core-reifier/src/main/java/org/apache/camel/reifier/ProcessorReifier.java
index 0c95252..047eaa8 100644
--- a/core/camel-core-reifier/src/main/java/org/apache/camel/reifier/ProcessorReifier.java
+++ b/core/camel-core-reifier/src/main/java/org/apache/camel/reifier/ProcessorReifier.java
@@ -51,6 +51,7 @@ import org.apache.camel.model.InOutDefinition;
import org.apache.camel.model.InterceptDefinition;
import org.apache.camel.model.InterceptFromDefinition;
import org.apache.camel.model.InterceptSendToEndpointDefinition;
+import org.apache.camel.model.KameletDefinition;
import org.apache.camel.model.LoadBalanceDefinition;
import org.apache.camel.model.LogDefinition;
import org.apache.camel.model.LoopDefinition;
@@ -207,6 +208,8 @@ public abstract class ProcessorReifier<T extends ProcessorDefinition<?>> extends
return new InterceptReifier<>(route, definition);
} else if (definition instanceof InterceptSendToEndpointDefinition) {
return new InterceptSendToEndpointReifier(route, definition);
+ } else if (definition instanceof KameletDefinition) {
+ return new KameletReifier(route, definition);
} else if (definition instanceof LoadBalanceDefinition) {
return new LoadBalanceReifier(route, definition);
} else if (definition instanceof LogDefinition) {
diff --git a/core/camel-xml-io/src/generated/java/org/apache/camel/xml/in/ModelParser.java b/core/camel-xml-io/src/generated/java/org/apache/camel/xml/in/ModelParser.java
index c8c9b03..bc4a6d6 100644
--- a/core/camel-xml-io/src/generated/java/org/apache/camel/xml/in/ModelParser.java
+++ b/core/camel-xml-io/src/generated/java/org/apache/camel/xml/in/ModelParser.java
@@ -540,6 +540,15 @@ public class ModelParser extends BaseParser {
return true;
}, outputDefinitionElementHandler(), noValueHandler());
}
+ protected KameletDefinition doParseKameletDefinition() throws IOException, XmlPullParserException {
+ return doParse(new KameletDefinition(), (def, key, val) -> {
+ if ("name".equals(key)) {
+ def.setName(val);
+ return true;
+ }
+ return processorDefinitionAttributeHandler().accept(def, key, val);
+ }, outputDefinitionElementHandler(), noValueHandler());
+ }
protected LoadBalanceDefinition doParseLoadBalanceDefinition() throws IOException, XmlPullParserException {
return doParse(new LoadBalanceDefinition(),
processorDefinitionAttributeHandler(), (def, key) -> {
@@ -2937,6 +2946,7 @@ public class ModelParser extends BaseParser {
case "intercept": return doParseInterceptDefinition();
case "interceptFrom": return doParseInterceptFromDefinition();
case "interceptSendToEndpoint": return doParseInterceptSendToEndpointDefinition();
+ case "kamelet": return doParseKameletDefinition();
case "loadBalance": return doParseLoadBalanceDefinition();
case "log": return doParseLogDefinition();
case "loop": return doParseLoopDefinition();
diff --git a/dsl/camel-yaml-dsl/camel-yaml-dsl-deserializers/src/generated/java/org/apache/camel/dsl/yaml/deserializers/ModelDeserializers.java b/dsl/camel-yaml-dsl/camel-yaml-dsl-deserializers/src/generated/java/org/apache/camel/dsl/yaml/deserializers/ModelDeserializers.java
index b21ffb1..643afa5 100644
--- a/dsl/camel-yaml-dsl/camel-yaml-dsl-deserializers/src/generated/java/org/apache/camel/dsl/yaml/deserializers/ModelDeserializers.java
+++ b/dsl/camel-yaml-dsl/camel-yaml-dsl-deserializers/src/generated/java/org/apache/camel/dsl/yaml/deserializers/ModelDeserializers.java
@@ -35,6 +35,7 @@ import org.apache.camel.model.InputTypeDefinition;
import org.apache.camel.model.InterceptDefinition;
import org.apache.camel.model.InterceptFromDefinition;
import org.apache.camel.model.InterceptSendToEndpointDefinition;
+import org.apache.camel.model.KameletDefinition;
import org.apache.camel.model.LoadBalanceDefinition;
import org.apache.camel.model.LoadBalancerDefinition;
import org.apache.camel.model.LogDefinition;
@@ -6856,6 +6857,54 @@ public final class ModelDeserializers extends YamlDeserializerSupport {
}
@YamlType(
+ types = org.apache.camel.model.KameletDefinition.class,
+ order = org.apache.camel.dsl.yaml.common.YamlDeserializerResolver.ORDER_LOWEST - 1,
+ nodes = "kamelet",
+ properties = {
+ @YamlProperty(name = "inherit-error-handler", type = "boolean"),
+ @YamlProperty(name = "name", type = "string", required = true),
+ @YamlProperty(name = "steps", type = "array:org.apache.camel.model.ProcessorDefinition")
+ }
+ )
+ public static class KameletDefinitionDeserializer extends YamlDeserializerBase<KameletDefinition> {
+ public KameletDefinitionDeserializer() {
+ super(KameletDefinition.class);
+ }
+
+ @Override
+ protected KameletDefinition newInstance() {
+ return new KameletDefinition();
+ }
+
+ @Override
+ protected boolean setProperty(KameletDefinition target, String propertyKey,
+ String propertyName, Node node) {
+ switch(propertyKey) {
+ case "inherit-error-handler": {
+ String val = asText(node);
+ target.setInheritErrorHandler(java.lang.Boolean.valueOf(val));
+ break;
+ }
+ case "name": {
+ String val = asText(node);
+ target.setName(val);
+ break;
+ }
+ case "steps": {
+ for (ProcessorDefinition<?> definition: asFlatList(node, ProcessorDefinition.class)) {
+ target.addOutput(definition);
+ }
+ break;
+ }
+ default: {
+ return false;
+ }
+ }
+ return true;
+ }
+ }
+
+ @YamlType(
types = org.apache.camel.model.cloud.KubernetesServiceCallServiceDiscoveryConfiguration.class,
order = org.apache.camel.dsl.yaml.common.YamlDeserializerResolver.ORDER_LOWEST - 1,
nodes = "kubernetes-service-discovery",
diff --git a/dsl/camel-yaml-dsl/camel-yaml-dsl-deserializers/src/generated/java/org/apache/camel/dsl/yaml/deserializers/ModelDeserializersResolver.java b/dsl/camel-yaml-dsl/camel-yaml-dsl-deserializers/src/generated/java/org/apache/camel/dsl/yaml/deserializers/ModelDeserializersResolver.java
index 0a1741b..513a1a9 100644
--- a/dsl/camel-yaml-dsl/camel-yaml-dsl-deserializers/src/generated/java/org/apache/camel/dsl/yaml/deserializers/ModelDeserializersResolver.java
+++ b/dsl/camel-yaml-dsl/camel-yaml-dsl-deserializers/src/generated/java/org/apache/camel/dsl/yaml/deserializers/ModelDeserializersResolver.java
@@ -167,6 +167,8 @@ public final class ModelDeserializersResolver implements YamlDeserializerResolve
case "org.apache.camel.model.dataformat.JsonDataFormat": return new ModelDeserializers.JsonDataFormatDeserializer();
case "jsonpath": return new ModelDeserializers.JsonPathExpressionDeserializer();
case "org.apache.camel.model.language.JsonPathExpression": return new ModelDeserializers.JsonPathExpressionDeserializer();
+ case "kamelet": return new ModelDeserializers.KameletDefinitionDeserializer();
+ case "org.apache.camel.model.KameletDefinition": return new ModelDeserializers.KameletDefinitionDeserializer();
case "kubernetes-service-discovery": return new ModelDeserializers.KubernetesServiceCallServiceDiscoveryConfigurationDeserializer();
case "org.apache.camel.model.cloud.KubernetesServiceCallServiceDiscoveryConfiguration": return new ModelDeserializers.KubernetesServiceCallServiceDiscoveryConfigurationDeserializer();
case "lzf": return new ModelDeserializers.LZFDataFormatDeserializer();
diff --git a/dsl/camel-yaml-dsl/camel-yaml-dsl/src/generated/resources/camel-yaml-dsl.json b/dsl/camel-yaml-dsl/camel-yaml-dsl/src/generated/resources/camel-yaml-dsl.json
index 31b288c..5aa0842 100644
--- a/dsl/camel-yaml-dsl/camel-yaml-dsl/src/generated/resources/camel-yaml-dsl.json
+++ b/dsl/camel-yaml-dsl/camel-yaml-dsl/src/generated/resources/camel-yaml-dsl.json
@@ -62,6 +62,9 @@
"intercept-send-to-endpoint" : {
"$ref" : "#/items/definitions/org.apache.camel.model.InterceptSendToEndpointDefinition"
},
+ "kamelet" : {
+ "$ref" : "#/items/definitions/org.apache.camel.model.KameletDefinition"
+ },
"load-balance" : {
"$ref" : "#/items/definitions/org.apache.camel.model.LoadBalanceDefinition"
},
@@ -1032,6 +1035,24 @@
} ],
"required" : [ "uri" ]
},
+ "org.apache.camel.model.KameletDefinition" : {
+ "type" : "object",
+ "properties" : {
+ "inherit-error-handler" : {
+ "type" : "boolean"
+ },
+ "name" : {
+ "type" : "string"
+ },
+ "steps" : {
+ "type" : "array",
+ "items" : {
+ "$ref" : "#/items/definitions/org.apache.camel.model.ProcessorDefinition"
+ }
+ }
+ },
+ "required" : [ "name" ]
+ },
"org.apache.camel.model.LoadBalanceDefinition" : {
"type" : "object",
"properties" : {