2 * Copyright 2007 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.system.core;
18 import javax.sql.DataSource;
20 import org.wamblee.system.core.AbstractComponent;
21 import org.wamblee.system.core.DefaultProvidedInterface;
22 import org.wamblee.system.core.ProvidedInterface;
23 import org.wamblee.system.core.RequiredInterface;
24 import org.wamblee.test.EventTracker;
27 public class Environment extends AbstractComponent {
29 private static final ProvidedInterface[] provided() {
30 return new ProvidedInterface[] {
31 new DefaultProvidedInterface("datasource", DataSource.class),
32 new DefaultProvidedInterface("integer", Integer.class)
36 private EventTracker<String> _tracker;
38 public Environment() {
39 super("environment", provided(), new RequiredInterface[0]);
42 public Environment(EventTracker aTracker) {
48 protected void doStart() {
49 addInterface(getProvidedInterfaces()[0], new Integer(1));
50 addInterface(getProvidedInterfaces()[1], new Integer(2));
51 track("start." + getName());
55 protected void doStop() {
56 track("stop." + getName());
57 removeInterface(getProvidedInterfaces()[0]);
58 removeInterface(getProvidedInterfaces()[1]);
61 private void track(String aString) {
62 if ( _tracker == null ) {
65 _tracker.eventOccurred(aString);