1 package org.e2etrace.trace; 2 3 /* 4 * Copyright 2006 Gunther Popp 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 import org.e2etrace.timer.ITimer; 20 import org.e2etrace.timer.ITimerFactory; 21 22 /** 23 * Factory for Mock-Timers. 24 * <p> 25 * 26 * The factory takes a list of predefined durations as parameter in the 27 * constructor. Each call to <code>newInstance</code> selects the next entry 28 * in the list and creates a {@link org.e2etrace.trace.MockTimer} that returns the 29 * resp. duration. When the last entry is reached, <code>newInstance</code> 30 * starts again with the first entry. 31 * <p> 32 * 33 * @author Gunther Popp 34 */ 35 public class MockTimerFactory implements ITimerFactory { 36 37 private long[] testDurations; 38 private int index = -1; 39 40 /** 41 * Constructor 42 * 43 * @param testDurations forwarded to {@link MockTimer} 44 */ 45 public MockTimerFactory(long[] testDurations) { 46 this.testDurations = testDurations; 47 } 48 49 /** {@inheritDoc} */ 50 public ITimer newInstance() { 51 index++; 52 53 if (index >= testDurations.length) { 54 index = 0; 55 } 56 57 return new MockTimer(this.testDurations[index]); 58 } 59 60 }