Author: dblevins
Date: Sat Apr 9 02:05:24 2011
New Revision: 1090509
URL: http://svn.apache.org/viewvc?rev=1090509&view=rev
Log:
OPENEJB-1513: Example: @AccessTimeout
Added:
openejb/trunk/openejb3/examples/access-timeout/
- copied from r1090482, openejb/trunk/openejb3/examples/async-methods/
openejb/trunk/openejb3/examples/access-timeout/src/main/java/org/superbiz/accesstimeout/
openejb/trunk/openejb3/examples/access-timeout/src/main/java/org/superbiz/accesstimeout/BusyBee.java
(with props)
openejb/trunk/openejb3/examples/access-timeout/src/test/java/org/superbiz/accesstimeout/
openejb/trunk/openejb3/examples/access-timeout/src/test/java/org/superbiz/accesstimeout/BusyBeeTest.java
(with props)
Removed:
openejb/trunk/openejb3/examples/access-timeout/README.txt
Modified:
openejb/trunk/openejb3/examples/access-timeout/pom.xml
Modified: openejb/trunk/openejb3/examples/access-timeout/pom.xml
URL:
http://svn.apache.org/viewvc/openejb/trunk/openejb3/examples/access-timeout/pom.xml?rev=1090509&r1=1090482&r2=1090509&view=diff
==============================================================================
--- openejb/trunk/openejb3/examples/access-timeout/pom.xml (original)
+++ openejb/trunk/openejb3/examples/access-timeout/pom.xml Sat Apr 9 02:05:24
2011
@@ -22,10 +22,10 @@
<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
<modelVersion>4.0.0</modelVersion>
<groupId>org.superbiz</groupId>
- <artifactId>async-methods</artifactId>
+ <artifactId>access-timeout</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
- <name>OpenEJB :: Examples :: @Asynchronous Methods</name>
+ <name>OpenEJB :: Examples :: @AccessTimeout</name>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
Added:
openejb/trunk/openejb3/examples/access-timeout/src/main/java/org/superbiz/accesstimeout/BusyBee.java
URL:
http://svn.apache.org/viewvc/openejb/trunk/openejb3/examples/access-timeout/src/main/java/org/superbiz/accesstimeout/BusyBee.java?rev=1090509&view=auto
==============================================================================
---
openejb/trunk/openejb3/examples/access-timeout/src/main/java/org/superbiz/accesstimeout/BusyBee.java
(added)
+++
openejb/trunk/openejb3/examples/access-timeout/src/main/java/org/superbiz/accesstimeout/BusyBee.java
Sat Apr 9 02:05:24 2011
@@ -0,0 +1,64 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.superbiz.accesstimeout;
+
+import javax.ejb.AccessTimeout;
+import javax.ejb.Asynchronous;
+import javax.ejb.Lock;
+import javax.ejb.Singleton;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+import static javax.ejb.LockType.WRITE;
+
+/**
+ * @version $Revision$ $Date$
+ */
+@Singleton
+@Lock(WRITE)
+public class BusyBee {
+
+ @Asynchronous
+ public Future stayBusy(CountDownLatch ready) {
+ ready.countDown();
+
+ try {
+ new CountDownLatch(1).await();
+ } catch (InterruptedException e) {
+ Thread.interrupted();
+ }
+
+ return null;
+ }
+
+ @AccessTimeout(0)
+ public void doItNow() {
+ // do something
+ }
+
+ @AccessTimeout(value = 5, unit = TimeUnit.SECONDS)
+ public void doItSoon() {
+ // do something
+ }
+
+ @AccessTimeout(-1)
+ public void justDoIt() {
+ // do something
+ }
+
+}
Propchange:
openejb/trunk/openejb3/examples/access-timeout/src/main/java/org/superbiz/accesstimeout/BusyBee.java
------------------------------------------------------------------------------
svn:eol-style = native
Added:
openejb/trunk/openejb3/examples/access-timeout/src/test/java/org/superbiz/accesstimeout/BusyBeeTest.java
URL:
http://svn.apache.org/viewvc/openejb/trunk/openejb3/examples/access-timeout/src/test/java/org/superbiz/accesstimeout/BusyBeeTest.java?rev=1090509&view=auto
==============================================================================
---
openejb/trunk/openejb3/examples/access-timeout/src/test/java/org/superbiz/accesstimeout/BusyBeeTest.java
(added)
+++
openejb/trunk/openejb3/examples/access-timeout/src/test/java/org/superbiz/accesstimeout/BusyBeeTest.java
Sat Apr 9 02:05:24 2011
@@ -0,0 +1,84 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.superbiz.accesstimeout;
+
+import junit.framework.TestCase;
+
+import javax.ejb.embeddable.EJBContainer;
+import javax.naming.Context;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @version $Revision$ $Date$
+ */
+public class BusyBeeTest extends TestCase {
+
+ public void test() throws Exception {
+
+ final Context context = EJBContainer.createEJBContainer().getContext();
+
+ final CountDownLatch ready = new CountDownLatch(1);
+
+ final BusyBee busyBee = (BusyBee)
context.lookup("java:global/access-timeout/BusyBee");
+
+ // This asynchronous method will never exit
+ busyBee.stayBusy(ready);
+
+ // Are you working yet little bee?
+ ready.await();
+
+
+ // OK, Bee is busy
+
+
+ { // Timeout Immediately
+ final long start = System.nanoTime();
+
+ try {
+ busyBee.doItNow();
+
+ fail("The bee should be busy");
+ } catch (Exception e) {
+ // the bee is still too busy as expected
+ }
+
+ assertEquals(0, seconds(start));
+ }
+
+ { // Timeout in 5 seconds
+ final long start = System.nanoTime();
+
+ try {
+ busyBee.doItSoon();
+
+ fail("The bee should be busy");
+ } catch (Exception e) {
+ // the bee is still too busy as expected
+ }
+
+ assertEquals(5, seconds(start));
+ }
+
+ // This will wait forever, give it a try if you have that long
+ //busyBee.justDoIt();
+ }
+
+ private long seconds(long start) {
+ return TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start);
+ }
+}
Propchange:
openejb/trunk/openejb3/examples/access-timeout/src/test/java/org/superbiz/accesstimeout/BusyBeeTest.java
------------------------------------------------------------------------------
svn:eol-style = native
