wamblee.org Git - utils/blob - system/general/src/test/java/org/wamblee/system/core/Application.java

   1 /*
   2  * Copyright 2007 the original author or authors.
   3  *
   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
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16 package org.wamblee.system.core;
  17
  18 import javax.sql.DataSource;
  19
  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;
  25
  26 public class Application extends AbstractComponent {
  27         public static RequiredInterface[] required(boolean aOptional) {
  28                 return
  29                 new RequiredInterface[] {
  30                         new DefaultRequiredInterface("string", String.class, aOptional),
  31                         new DefaultRequiredInterface("integer", Integer.class, aOptional)
  32         };
  33         }
  34
  35         private EventTracker<String> _tracker;
  36         private String _string;
  37         private Integer _integer;
  38         private double _random;
  39
  40         public Application() {
  41                 super("application", new ProvidedInterface[0], required(false));
  42                 _random = Math.random();
  43         }
  44
  45         public Application(boolean aIsOptinal) {
  46                 super("application", new ProvidedInterface[0], required(true));
  47         }
  48
  49         public Application(EventTracker<String> aTracker) {
  50                 this();
  51                 _tracker = aTracker;
  52         }
  53
  54         @Override
  55         protected Object doStart(Scope aScope) {
  56                 track("start." + getName());
  57                 _string = aScope.retrieveInterfaceImplementation(getRequiredInterfaces()[0].getProvider(), String.class);
  58             _integer = aScope.retrieveInterfaceImplementation(getRequiredInterfaces()[1].getProvider(), Integer.class);
  59             return _random;
  60         }
  61
  62         public String getString() {
  63                 return _string;
  64         }
  65
  66         public Integer getInteger() {
  67                 return _integer;
  68         }
  69
  70         @Override
  71         protected void doStop(Object aRuntime) {
  72                 track("stop." + getName());
  73                 if ( _random != (Double)aRuntime) {
  74                         throw new IllegalArgumentException("Wrong runtime: expected " + _random + " but got " +
  75                                         aRuntime);
  76                 }
  77         }
  78
  79         private void track(String aString) {
  80                 if ( _tracker == null ) {
  81                         return;
  82                 }
  83                 _tracker.eventOccurred(aString);
  84         }
  85 }