From 5ecd0afe087b41d09f4733489b0b07712be3cb9e Mon Sep 17 00:00:00 2001 From: fmoga Date: Wed, 25 May 2011 23:27:46 +0000 Subject: Add pub/sub sample for binding.comet git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1127725 13f79535-47bb-0310-9956-ffa450edef68 --- .../binding-comet/pubsub-webapp/pom.xml | 64 ++++++++++++ .../org/apache/tuscany/sca/sample/comet/Event.java | 33 ++++++ .../tuscany/sca/sample/comet/EventProcessor.java | 107 +++++++++++++++++++ .../comet/EventProcessorConsumerService.java | 37 +++++++ .../comet/EventProcessorProducerService.java | 28 +++++ .../apache/tuscany/sca/sample/comet/Producer.java | 76 ++++++++++++++ .../src/main/webapp/META-INF/MANIFEST.MF | 2 + .../src/main/webapp/WEB-INF/web.composite | 56 ++++++++++ .../pubsub-webapp/src/main/webapp/WEB-INF/web.xml | 34 ++++++ .../pubsub-webapp/src/main/webapp/index.html | 114 +++++++++++++++++++++ 10 files changed, 551 insertions(+) create mode 100644 sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml create mode 100644 sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java create mode 100644 sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java create mode 100644 sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java create mode 100644 sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java create mode 100644 sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java create mode 100644 sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF create mode 100644 sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite create mode 100644 sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml create mode 100644 sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html (limited to 'sca-java-2.x/contrib/samples/learning-more') diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml new file mode 100644 index 0000000000..8c8f87d816 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml @@ -0,0 +1,64 @@ + + + + 4.0.0 + + org.apache.tuscany.sca + tuscany-samples + 2.0-SNAPSHOT + ../../../pom.xml + + + org.apache.tuscany.sca + sample-binding-comet-pubsub-webapp + war + 1.0 + Apache Tuscany SCA Sample binding.comet PubSub Webapp + + + + org.apache.tuscany.sca + tuscany-binding-comet-runtime + 2.0-SNAPSHOT + + + javax + javaee-web-api + 6.0 + provided + + + org.apache.tuscany.sca + tuscany-base-runtime-pom + 2.0-SNAPSHOT + pom + compile + + + com.google.guava + guava + r09 + jar + compile + + + + + diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java new file mode 100644 index 0000000000..033a54880e --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java @@ -0,0 +1,33 @@ +package org.apache.tuscany.sca.sample.comet; + +public class Event { + + private String id; + private String name; + private String data; + + public String getId() { + return id; + } + + public void setId(String id) { + this.id = id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getData() { + return data; + } + + public void setData(String data) { + this.data = data; + } + +} diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java new file mode 100644 index 0000000000..3b19398ca1 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java @@ -0,0 +1,107 @@ +/* + * 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.apache.tuscany.sca.sample.comet; + +import java.util.ArrayList; +import java.util.Date; +import java.util.List; +import java.util.Map; +import java.util.UUID; +import java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback; +import org.apache.tuscany.sca.binding.comet.runtime.callback.Status; +import org.oasisopen.sca.ComponentContext; +import org.oasisopen.sca.annotation.Context; +import org.oasisopen.sca.annotation.Destroy; +import org.oasisopen.sca.annotation.Scope; +import org.oasisopen.sca.annotation.Service; + +import com.google.common.collect.HashMultimap; +import com.google.common.collect.Multimap; +import com.google.common.collect.Multimaps; + +@Service({ EventProcessorConsumerService.class, EventProcessorProducerService.class }) +@Scope("COMPOSITE") +public class EventProcessor implements EventProcessorConsumerService, EventProcessorProducerService { + + @Context + protected ComponentContext componentContext; + + private Map clients = new ConcurrentHashMap(); + private Multimap eventListeners = Multimaps.synchronizedMultimap(HashMultimap + . create()); + + @Override + public void onEvent(String eventName, String eventData) { + // System.out.println("EventProcessor: Received event " + eventName + + // "..."); + List destinations = new ArrayList(); + synchronized (eventListeners) { + destinations.addAll(eventListeners.get(eventName)); + } + Event event = new Event(); + event.setName(eventName); + event.setData(eventData); + for (String registrationId : destinations) { + CometCallback client = clients.get(registrationId); + if (client == null) { + // client has unregistered from this event + synchronized (eventListeners) { + eventListeners.remove(eventName, registrationId); + } + } else { + Status status = client.sendMessage(event); + if (status == Status.CLIENT_DISCONNECTED) { + unregister(registrationId); + } + } + } + } + + @Override + public void register(String eventName) { + String registrationId = UUID.randomUUID().toString(); + CometCallback callback = componentContext.getRequestContext().getCallback(); + clients.put(registrationId, callback); + synchronized (eventListeners) { + eventListeners.put(eventName, registrationId); + } + Event event = new Event(); + event.setId(registrationId); + event.setName(eventName); + event.setData(new Date().toString()); + callback.sendMessage(event); + } + + @Override + public void unregister(String registrationId) { + clients.remove(registrationId); + // unregistration from eventListeners done during onEvent + } + + @Destroy + public void shutdown() { + clients.clear(); + eventListeners.clear(); + clients = null; + eventListeners = null; + } +} diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java new file mode 100644 index 0000000000..c8208e862c --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java @@ -0,0 +1,37 @@ +/* + * 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.apache.tuscany.sca.sample.comet; + +import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback; +import org.oasisopen.sca.annotation.Callback; +import org.oasisopen.sca.annotation.OneWay; +import org.oasisopen.sca.annotation.Remotable; + +@Callback(CometCallback.class) +@Remotable +public interface EventProcessorConsumerService { + + @OneWay + void register(String eventName); + + @OneWay + void unregister(String registrationId); + +} diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java new file mode 100644 index 0000000000..49d760d171 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java @@ -0,0 +1,28 @@ +/* + * 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.apache.tuscany.sca.sample.comet; + +import org.oasisopen.sca.annotation.Remotable; + +@Remotable +public interface EventProcessorProducerService { + + void onEvent(String eventName, String eventData); + +} diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java new file mode 100644 index 0000000000..59307824ce --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java @@ -0,0 +1,76 @@ +/* + * 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.apache.tuscany.sca.sample.comet; + +import java.util.Date; +import java.util.Timer; +import java.util.TimerTask; + +import org.oasisopen.sca.annotation.Constructor; +import org.oasisopen.sca.annotation.Destroy; +import org.oasisopen.sca.annotation.EagerInit; +import org.oasisopen.sca.annotation.Init; +import org.oasisopen.sca.annotation.Property; +import org.oasisopen.sca.annotation.Reference; +import org.oasisopen.sca.annotation.Scope; + +@EagerInit +@Scope("COMPOSITE") +public class Producer { + + @Reference + protected EventProcessorProducerService eventProcessor; + + private String eventName; + private long frequency; + + private Timer timer = new Timer(); + private Object lock = new Object(); + + @Constructor + public Producer(@Property(name = "eventName") String eventName, @Property(name = "frequency") long frequency) { + System.out.println("Producer: In Constructor with eventName=" + eventName + " and frequency=" + frequency); + this.eventName = eventName; + this.frequency = frequency; + } + + @Init + public void start() { + System.out.println("Producer: In Init..."); + timer.schedule(new TimerTask() { + + @Override + public void run() { +// System.out.println("Producer: Producing " + eventName + " event..."); + synchronized (lock) { + eventProcessor.onEvent(Producer.this.eventName, "Event @ " + new Date()); + } + } + }, 0L, this.frequency); + } + + @Destroy + public void stop() { + synchronized (lock) { + timer.cancel(); + } + timer = null; + } + +} diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF new file mode 100644 index 0000000000..58630c02ef --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF @@ -0,0 +1,2 @@ +Manifest-Version: 1.0 + diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite new file mode 100644 index 0000000000..61096a4226 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite @@ -0,0 +1,56 @@ + + + + + + + + + + + + + + + + + + + + + + SLOW + 6000 + + + + + + MODERATE + 3000 + + + + + + FAST + 1000 + + + \ No newline at end of file diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml new file mode 100644 index 0000000000..25b06c457a --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml @@ -0,0 +1,34 @@ + + + + Apache Tuscany Stock Comet Sample + + tuscany + org.apache.tuscany.sca.host.webapp.TuscanyServletFilter + true + + + tuscany + /* + + + index.html + + \ No newline at end of file diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html new file mode 100644 index 0000000000..a46bb0acb0 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html @@ -0,0 +1,114 @@ + + + +Apache Tuscany Comet Sample + + + + + + + + + -- cgit v1.2.3