1 files changed, 37 insertions, 0 deletions
diff --git a/pf4j/src/main/java/org/pf4j/Extension.java b/pf4j/src/main/java/org/pf4j/Extension.java
new file mode 100644
index 0000000..69a2049
--- /dev/null
+++ b/pf4j/src/main/java/org/pf4j/Extension.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2012 Decebal Suiu
+ *
+ * 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.pf4j;
+
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * @author Decebal Suiu
+ */
+@Retention(RUNTIME)
+@Target(TYPE)
+@Inherited
+@Documented
+public @interface Extension {
+
+	int ordinal() default 0;
+
+}