YAML: add support for Sample EIP

camel-k-loader-yaml/src/main/java/org/apache/camel/k/loader/yaml/parser/SampleStepParser.java

@@ -0,0 +1,49 @@
+/*
+ * 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.k.loader.yaml.parser;
+
+import java.util.List;
+
+import org.apache.camel.k.annotation.yaml.YAMLStepParser;
+import org.apache.camel.k.loader.yaml.model.Step;
+import org.apache.camel.model.ProcessorDefinition;
+import org.apache.camel.model.SamplingDefinition;
+import org.apache.camel.reifier.ProcessorReifier;
+import org.apache.camel.reifier.SamplingReifier;
+
+@YAMLStepParser("sample")
+public class SampleStepParser implements ProcessorStepParser {
+    static {
+        ProcessorReifier.registerReifier(Definition.class, SamplingReifier::new);
+    }
+
+    @Override
+    public ProcessorDefinition<?> toProcessor(Context context) {
+        Definition definition = context.node(Definition.class);
+
+        return StepParserSupport.convertSteps(
+            context,
+            definition,
+            definition.steps
+        );
+    }
+
+    public static final class Definition extends SamplingDefinition implements Step.Definition {
+        public List<Step> steps;
+    }
+}
+

camel-k-loader-yaml/src/test/groovy/org/apache/camel/k/loader/yaml/parser/SampleTest.groovy

@@ -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.k.loader.yaml.parser
+
+import org.apache.camel.k.loader.yaml.TestSupport
+import org.apache.camel.model.SamplingDefinition
+
+class SampleTest extends TestSupport {
+
+    def "definition"() {
+        given:
+            def stepContext = stepContext('''
+                 message-frequency: "5"
+            ''')
+        when:
+            def processor = new SampleStepParser().toProcessor(stepContext)
+        then:
+            with (processor, SamplingDefinition) {
+                messageFrequency == 5
+            }
+    }
+}