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 org.wamblee.system.core.AbstractComponent;
19 import org.wamblee.system.core.DefaultProvidedInterface;
20 import org.wamblee.system.core.ProvidedInterface;
21 import org.wamblee.system.core.RequiredInterface;
23 import org.wamblee.test.EventTracker;
25 import javax.sql.DataSource;
34 public class Environment extends AbstractComponent<Object> {
38 private static int COUNT = 0;
43 private EventTracker<String> tracker;
48 private double random;
56 * Creates a new Environment object.
58 public Environment() {
63 * Creates a new Environment object.
65 * @param aName DOCUMENT ME!
67 public Environment(String aName) {
72 * Creates a new Environment object.
74 * @param aName DOCUMENT ME!
75 * @param aPrefix DOCUMENT ME!
77 public Environment(String aName, String aPrefix) {
78 super(aName, provided(aPrefix), new RequiredInterface[0]);
79 random = Math.random();
84 * Creates a new Environment object.
86 * @param aTracker DOCUMENT ME!
88 public Environment(EventTracker aTracker) {
96 * @param aPrefix DOCUMENT ME!
98 * @return DOCUMENT ME!
100 private static final ProvidedInterface[] provided(String aPrefix) {
101 return new ProvidedInterface[] {
102 new DefaultProvidedInterface(aPrefix + "datasource", String.class),
103 new DefaultProvidedInterface(aPrefix + "integer", Integer.class)
110 * @return DOCUMENT ME!
112 public Integer getInteger() {
119 * @return DOCUMENT ME!
121 public String getString() {
122 return getName() + ".hello";
128 * @param aScope DOCUMENT ME!
130 * @return DOCUMENT ME!
133 protected Object doStart(Scope aScope) {
134 addInterface(getProvidedInterfaces().get(0), getString(), aScope);
135 addInterface(getProvidedInterfaces().get(1), getInteger(), aScope);
136 track("start." + getName());
144 * @param aRuntime DOCUMENT ME!
147 protected void doStop(Object aRuntime) {
148 track("stop." + getName());
150 if (random != (Double) aRuntime) {
151 throw new IllegalArgumentException("Wrong runtime: expected "
152 + random + " but got " + aRuntime);
159 * @param aString DOCUMENT ME!
161 private void track(String aString) {
162 if (tracker == null) {
166 tracker.eventOccurred(aString);