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, String aPrefix) {
  28                 return
  29                 new RequiredInterface[] {
  30                         new DefaultRequiredInterface(aPrefix + "string", String.class, aOptional),
  31                         new DefaultRequiredInterface(aPrefix + "integer", Integer.class, aOptional)
  32         };
  33         }
  34
  35         public static RequiredInterface[] required(boolean aOptional) {
  36         return required(aOptional, "");
  37     }
  38
  39
  40         private EventTracker<String> _tracker;
  41         private String _string;
  42         private Integer _integer;
  43         private double _random;
  44
  45         public Application() {
  46             this("application");
  47         }
  48
  49         public Application(String aName) {
  50             this(aName, "");
  51     }
  52
  53         public Application(String aName, String aPrefix) {
  54         super(aName, new ProvidedInterface[0], required(false, aPrefix));
  55         _random = Math.random();
  56     }
  57
  58         public Application(boolean aIsOptinal) {
  59                 super("application", new ProvidedInterface[0], required(true, ""));
  60         }
  61
  62         public Application(EventTracker<String> aTracker) {
  63                 this();
  64                 _tracker = aTracker;
  65         }
  66
  67         @Override
  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);
  72             return _random;
  73         }
  74
  75         public String getString() {
  76                 return _string;
  77         }
  78
  79         public Integer getInteger() {
  80                 return _integer;
  81         }
  82
  83         @Override
  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 " +
  88                                         aRuntime);
  89                 }
  90         }
  91
  92         private void track(String aString) {
  93                 if ( _tracker == null ) {
  94                         return;
  95                 }
  96                 _tracker.eventOccurred(aString);
  97         }
  98 }