01: /**
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */package org.superbiz.counter;
17:
18: import javax.ejb.Stateful;
19:
20: /**
21: * This is an EJB 3 style pojo stateful session bean
22: * Every stateful session bean implementation must be annotated
23: * using the annotation @Stateful
24: * This EJB has 2 business interfaces: CounterRemote, a remote business
25: * interface, and CounterLocal, a local business interface
26: *
27: * Per EJB3 rules when the @Remote or @Local annotation isn't present
28: * in the bean class (this class), all interfaces are considered
29: * local unless explicitly annotated otherwise. If you look
30: * in the CounterRemote interface, you'll notice it uses the @Remote
31: * annotation while the CounterLocal interface is not annotated relying
32: * on the EJB3 default rules to make it a local interface.
33: */
34: //START SNIPPET: code
35: @Stateful
36: public class CounterImpl implements CounterLocal, CounterRemote {
37:
38: private int count = 0;
39:
40: public int increment() {
41: return ++count;
42: }
43:
44: public int reset() {
45: return (count = 0);
46: }
47:
48: }
49: //END SNIPPET: code
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