Added @Target method annotation for endpoints

spring-eai-core/src/main/java/org/springframework/integration/annotation/Target.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2002-2007 the original author or authors.
+ *
+ * Licensed 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.springframework.integration.annotation;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+import org.springframework.integration.message.Message;
+
+/**
+ * Indicates that a method is capable of sending messages. The method must
+ * accept a single parameter that is either a {@link Message} or an Object to
+ * be passed as a message payload. The enclosing class should be annotated with
+ * {@link MessageEndpoint @MessageEndpoint}.
+ * 
+ * @author Mark Fisher
+ */
+@java.lang.annotation.Target(ElementType.METHOD)
+@Retention(RetentionPolicy.RUNTIME)
+@Inherited
+@Documented
+public @interface Target {
+
+}