SPR-8082

+ support generic discovery of multiple annotations of the same type (such as stereotypes)

org.springframework.context/src/test/java/org/springframework/cache/annotation/AnnotationCacheOperationSourceTest.java

@@ -0,0 +1,136 @@
+/*
+ * Copyright 2011 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.cache.annotation;
+
+import static org.junit.Assert.*;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.lang.reflect.Method;
+import java.util.Collection;
+import java.util.Iterator;
+
+import org.junit.Test;
+import org.springframework.cache.interceptor.CacheEvictOperation;
+import org.springframework.cache.interceptor.CacheOperation;
+import org.springframework.cache.interceptor.CacheableOperation;
+import org.springframework.util.ReflectionUtils;
+
+/**
+ * @author Costin Leau
+ */
+public class AnnotationCacheOperationSourceTest {
+
+	private AnnotationCacheOperationSource source = new AnnotationCacheOperationSource();
+
+	private Collection<CacheOperation> getOps(String name) {
+		Method method = ReflectionUtils.findMethod(AnnotatedClass.class, name);
+		return source.getCacheOperations(method, AnnotatedClass.class);
+	}
+
+	@Test
+	public void testSingularAnnotation() throws Exception {
+		Collection<CacheOperation> ops = getOps("singular");
+		assertEquals(1, ops.size());
+		assertTrue(ops.iterator().next() instanceof CacheableOperation);
+	}
+
+	@Test
+	public void testMultipleAnnotation() throws Exception {
+		Collection<CacheOperation> ops = getOps("multiple");
+		assertEquals(2, ops.size());
+		Iterator<CacheOperation> it = ops.iterator();
+		assertTrue(it.next() instanceof CacheableOperation);
+		assertTrue(it.next() instanceof CacheEvictOperation);
+	}
+
+	@Test
+	public void testCaching() throws Exception {
+		Collection<CacheOperation> ops = getOps("caching");
+		assertEquals(2, ops.size());
+		Iterator<CacheOperation> it = ops.iterator();
+		assertTrue(it.next() instanceof CacheableOperation);
+		assertTrue(it.next() instanceof CacheEvictOperation);
+	}
+
+	@Test
+	public void testSingularStereotype() throws Exception {
+		Collection<CacheOperation> ops = getOps("singleStereotype");
+		assertEquals(1, ops.size());
+		assertTrue(ops.iterator().next() instanceof CacheEvictOperation);
+	}
+
+	@Test
+	public void testMultipleStereotypes() throws Exception {
+		Collection<CacheOperation> ops = getOps("multipleStereotype");
+		assertEquals(3, ops.size());
+		Iterator<CacheOperation> it = ops.iterator();
+		assertTrue(it.next() instanceof CacheableOperation);
+		CacheOperation next = it.next();
+		assertTrue(next instanceof CacheEvictOperation);
+		assertTrue(next.getCacheNames().contains("foo"));
+		next = it.next();
+		assertTrue(next instanceof CacheEvictOperation);
+		assertTrue(next.getCacheNames().contains("bar"));
+	}
+
+	private static class AnnotatedClass {
+		@Cacheable("test")
+		public void singular() {
+		}
+
+		@CacheEvict("test")
+		@Cacheable("test")
+		public void multiple() {
+		}
+
+		@Caching(cacheable = { @Cacheable("test") }, evict = { @CacheEvict("test") })
+		public void caching() {
+		}
+
+		@EvictFoo
+		public void singleStereotype() {
+
+		}
+
+		@EvictFoo
+		@CacheableFoo
+		@EvictBar
+		public void multipleStereotype() {
+		}
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@Target(ElementType.METHOD)
+	@Cacheable("foo")
+	public @interface CacheableFoo {
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@Target(ElementType.METHOD)
+	@CacheEvict(value = "foo")
+	public @interface EvictFoo {
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@Target(ElementType.METHOD)
+	@CacheEvict(value = "bar")
+	public @interface EvictBar {
+	}
+}