1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 19 package org.apache.jdo.impl.enhancer.util; 20 21 22 /** 23 * Support for signalling internal implementation errors. 24 */ 25 public class Assertion { 26 27 static protected final void affirm(boolean condition) { 28 if (!condition) 29 throw new InternalError("assertion failed."); 30 } 31 32 static protected final void affirm(boolean condition, String msg) { 33 if (!condition) 34 throw new InternalError("assertion failed: " + msg); 35 } 36 37 static protected final void affirm(Object object) { 38 if (object == null) 39 throw new InternalError("assertion failed."); 40 } 41 42 static protected final void affirm(Object object, String msg) { 43 if (object == null) 44 throw new InternalError("assertion failed: " + msg); 45 } 46 }