--- /dev/null
+/*
+ * Copyright (C) 2010 Mycila (mathieu.carbou@gmail.com)
+ *
+ * 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.opendaylight.odlguice.inject.guice.extensions.jsr250.tests;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Guice;
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.inject.Singleton;
+import org.junit.Test;
+import org.opendaylight.odlguice.inject.guice.extensions.closeable.CloseableInjector;
+import org.opendaylight.odlguice.inject.guice.extensions.closeable.CloseableModule;
+import org.opendaylight.odlguice.inject.guice.extensions.jsr250.Jsr250Module;
+
+/**
+ * This code originated in https://github.com/mycila/guice and was forked into
+ * OpenDaylight.
+ * @author Mathieu Carbou (mathieu.carbou@gmail.com)
+ */
+public class Jsr250LifecycleTest {
+
+ public abstract static class LifecycleBase {
+ public String startSequence = "";
+ public String stopSequence = "";
+ }
+
+ @Singleton
+ public static class LifecycleSimple extends LifecycleBase {
+ @PostConstruct
+ public void init() {
+ startSequence += "A";
+ }
+
+ @PreDestroy
+ public void destroy() {
+ stopSequence += "A";
+ }
+ }
+
+ @Singleton
+ public static class LifecycleMultiple extends LifecycleBase {
+ @PostConstruct
+ public void init() {
+ startSequence += "A";
+ }
+
+ @PostConstruct
+ public void init2() {
+ startSequence += "B";
+ }
+
+ @PreDestroy
+ public void destroy() {
+ stopSequence += "A";
+ }
+
+ @PreDestroy
+ public void destroy2() {
+ stopSequence += "B";
+ }
+ }
+
+ @Singleton
+ public static class LifecycleExtends extends LifecycleSimple {
+ @PostConstruct
+ public void init2() {
+ startSequence += "X";
+ }
+
+ @PreDestroy
+ public void destroy2() {
+ stopSequence += "X";
+ }
+ }
+
+ @Singleton
+ public static class LifecycleOverrides extends LifecycleSimple {
+ @Override
+ @PostConstruct
+ public void init() {
+ startSequence += "B";
+ }
+
+ @Override
+ @PreDestroy
+ public void destroy() {
+ stopSequence += "B";
+ }
+ }
+
+ @Singleton
+ public static class LifecycleOverridesRemovesAnnotations extends LifecycleOverrides {
+ @Override
+ public void init() {
+ startSequence += "C";
+ }
+
+ @Override
+ public void destroy() {
+ stopSequence += "C";
+ }
+ }
+
+ @Singleton
+ public static class LifecyclePrivateMethods extends LifecycleBase {
+ @PostConstruct
+ private void init() {
+ startSequence += "D";
+ }
+
+ @PreDestroy
+ private void destroy() {
+ stopSequence += "D";
+ }
+ }
+
+ @Singleton
+ public static class LifecycleSameNamePrivateMethods extends LifecyclePrivateMethods {
+ @PostConstruct
+ private void init() {
+ startSequence += "E";
+ }
+
+ @PreDestroy
+ private void destroy() {
+ stopSequence += "E";
+ }
+ }
+
+ @Test
+ public void testLifecycle() {
+ assertLifeCycleSequence(LifecycleSimple.class, "A", "A");
+ assertLifeCycleSequence(LifecycleExtends.class, "AX", "XA");
+ assertLifeCycleSequence(LifecycleOverrides.class, "B", "B");
+ assertLifeCycleSequence(LifecycleOverridesRemovesAnnotations.class, "", "");
+ assertLifeCycleSequence(LifecyclePrivateMethods.class, "D", "D");
+ // TODO: verify if private methodes of super classes should be invoked before
+ // subclasses in case of @PostConstruct
+ // assertLifeCycleSequence(LifecycleSameNamePrivateMethods.class, "ED", "DE");
+ assertLifeCycleSequence(LifecycleSameNamePrivateMethods.class, "DE", "ED");
+
+ // order among methods in same class is undefined so we just test that all of them were called
+ assertLifeCycleSequenceContainsAll(LifecycleMultiple.class, "AB", "BA");
+ }
+
+ private void assertLifeCycleSequenceContainsAll(final Class<? extends LifecycleBase> clazz, String startSequence,
+ String endSequence) {
+ CloseableInjector injector = createInjector(clazz);
+ LifecycleBase component = injector.getInstance(clazz);
+ assertContainsAll(component.startSequence, startSequence);
+ injector.close();
+ assertContainsAll(component.stopSequence, endSequence);
+ }
+
+ private void assertLifeCycleSequence(final Class<? extends LifecycleBase> clazz, String expectedStartSequence,
+ String expectedStopSequence) {
+ CloseableInjector injector = createInjector(clazz);
+ LifecycleBase component = injector.getInstance(clazz);
+ assertEquals(expectedStartSequence, component.startSequence);
+ injector.close();
+ assertEquals(expectedStopSequence, component.stopSequence);
+ }
+
+ private CloseableInjector createInjector(final Class<? extends LifecycleBase> clazz) {
+ return Guice.createInjector(new Jsr250Module(), new CloseableModule(), new AbstractModule() {
+ @Override
+ protected void configure() {
+ bind(clazz);
+ }
+ }).getInstance(CloseableInjector.class);
+ }
+
+ private void assertContainsAll(String string, String requiredCharacters) {
+ for (char ch : requiredCharacters.toCharArray()) {
+ if (string.indexOf(ch) == -1) {
+ fail("String [" + string + "] does not contain character [" + ch + "]");
+ }
+ }
+ }
+}
+
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