@EBean validation error on interface

AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EBean.java

@@ -38,6 +38,11 @@
  * create Abstract classes that handle common code.
  * </p>
  * <p>
+ * {@link EBean} can  only be used on classes and NOT on interfaces.
+ * If you want to use an {@link EBean} with interface you must annotate
+ * the implementation class and not the interface.
+ * </p>
+ * <p>
  * Most annotations are supported in {@link EBean} classes, except the ones
  * related to extras. Views related annotations will only work if the bean was
  * injected in an activity with a layout containing the views you're dealing

AndroidAnnotations/androidannotations-core/androidannotations/src/main/java/org/androidannotations/helper/ValidatorHelper.java

@@ -106,6 +106,12 @@ public void isInterface(TypeElement element, ElementValidation valid) {
 		}
 	}
 
+	public void isNotInterface(TypeElement element, ElementValidation valid) {
+		if (annotationHelper.isInterface(element)) {
+			valid.addError("%s cannot be used on an interface");
+		}
+	}
+
 	public void isTopLevel(TypeElement element, ElementValidation valid) {
 		if (!annotationHelper.isTopLevel(element)) {
 			valid.addError("%s can only be used on a top level type");

AndroidAnnotations/androidannotations-core/androidannotations/src/main/java/org/androidannotations/internal/core/handler/EBeanHandler.java

@@ -39,6 +39,8 @@ public EBeanHolder createGeneratedClassHolder(AndroidAnnotationsEnvironment envi
 	public void validate(Element element, ElementValidation valid) {
 		super.validate(element, valid);
 
+		validatorHelper.isNotInterface((TypeElement) element, valid);
+
 		validatorHelper.isNotPrivate(element, valid);
 
 		validatorHelper.isAbstractOrHasEmptyOrContextConstructor(element, valid);

AndroidAnnotations/androidannotations-core/androidannotations/src/test/java/org/androidannotations/ebean/EBeanTest.java

@@ -37,4 +37,9 @@ public void activitySubclassInManifestCompiles() {
 				SomeGenericBeanExt.class));
 	}
 
+	@Test
+	public void eBeanOnInterfaceDoesNotCompile() {
+		assertCompilationError(compileFiles(InterfaceWithEBean.class));
+	}
+
 }

AndroidAnnotations/androidannotations-core/androidannotations/src/test/java/org/androidannotations/ebean/InterfaceWithEBean.java

@@ -0,0 +1,22 @@
+/**
+ * Copyright (C) 2010-2015 eBusiness Information, Excilys Group
+ *
+ * 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.androidannotations.ebean;
+
+import org.androidannotations.annotations.EBean;
+
+@EBean
+public interface InterfaceWithEBean {
+}