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.DefaultRequiredInterface;
22 import org.wamblee.system.core.ProvidedInterface;
23 import org.wamblee.system.core.RequiredInterface;
24 import org.wamblee.test.EventTracker;
26 public class Application extends AbstractComponent {
27 public static RequiredInterface[] required(boolean aOptional, String aPrefix) {
29 new RequiredInterface[] {
30 new DefaultRequiredInterface(aPrefix + "string", String.class, aOptional),
31 new DefaultRequiredInterface(aPrefix + "integer", Integer.class, aOptional)
35 public static RequiredInterface[] required(boolean aOptional) {
36 return required(aOptional, "");
40 private EventTracker<String> _tracker;
41 private String _string;
42 private Integer _integer;
43 private double _random;
45 public Application() {
49 public Application(String aName) {
53 public Application(String aName, String aPrefix) {
54 super(aName, new ProvidedInterface[0], required(false, aPrefix));
55 _random = Math.random();
58 public Application(boolean aIsOptinal) {
59 super("application", new ProvidedInterface[0], required(true, ""));
62 public Application(EventTracker<String> aTracker) {
68 protected Object doStart(Scope aScope) {
69 track("start." + getName());
70 _string = aScope.getInterfaceImplementation(getRequiredInterfaces()[0].getProvider(), String.class);
71 _integer = aScope.getInterfaceImplementation(getRequiredInterfaces()[1].getProvider(), Integer.class);
75 public String getString() {
79 public Integer getInteger() {
84 protected void doStop(Object aRuntime) {
85 track("stop." + getName());
86 if ( _random != (Double)aRuntime) {
87 throw new IllegalArgumentException("Wrong runtime: expected " + _random + " but got " +
92 private void track(String aString) {
93 if ( _tracker == null ) {
96 _tracker.eventOccurred(aString);