wamblee.org Git - utils/blob - system/general/src/test/java/org/wamblee/system/core/IntegerComponent.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.DefaultProvidedInterface;
  22 import org.wamblee.system.core.ProvidedInterface;
  23 import org.wamblee.system.core.RequiredInterface;
  24 import org.wamblee.test.EventTracker;
  25
  26 public class IntegerComponent extends AbstractComponent<Object> {
  27
  28         private static final ProvidedInterface[] provided(String aPrefix) {
  29                 return new ProvidedInterface[] {
  30                                 new DefaultProvidedInterface(aPrefix + "integer", Integer.class) };
  31         }
  32
  33         private EventTracker<String> tracker;
  34         private double random;
  35
  36         public IntegerComponent() {
  37                 this("environment");
  38         }
  39
  40         public IntegerComponent(String aName) {
  41        this(aName, "");
  42     }
  43
  44         public IntegerComponent(String aName, String aPrefix) {
  45         super(aName, provided(aPrefix), new RequiredInterface[0]);
  46         random = Math.random();
  47     }
  48
  49
  50
  51         public IntegerComponent(EventTracker aTracker) {
  52                 this();
  53                 tracker = aTracker;
  54         }
  55
  56         public Integer getInteger() {
  57                 return 2;
  58         }
  59
  60         @Override
  61         protected Object doStart(Scope aScope) {
  62                 addInterface(getProvidedInterfaces().get(1), getInteger(), aScope);
  63                 track("start." + getName());
  64                 return random;
  65         }
  66
  67         @Override
  68         protected void doStop(Object aRuntime) {
  69                 track("stop." + getName());
  70                 if (random != (Double) aRuntime) {
  71                         throw new IllegalArgumentException("Wrong runtime: expected "
  72                                         + random + " but got " + aRuntime);
  73                 }
  74         }
  75
  76         private void track(String aString) {
  77                 if (tracker == null) {
  78                         return;
  79                 }
  80                 tracker.eventOccurred(aString);
  81         }
  82 }