00001 /* 00002 * NullPointerException.hpp 00003 * 00004 * Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved. 00005 * 00006 * Oracle is a registered trademarks of Oracle Corporation and/or its 00007 * affiliates. 00008 * 00009 * This software is the confidential and proprietary information of Oracle 00010 * Corporation. You shall not disclose such confidential and proprietary 00011 * information and shall use it only in accordance with the terms of the 00012 * license agreement you entered into with Oracle. 00013 * 00014 * This notice may not be removed or altered. 00015 */ 00016 #ifndef COH_NULL_POINTER_EXCEPTION_HPP 00017 #define COH_NULL_POINTER_EXCEPTION_HPP 00018 00019 #include "coherence/lang/compatibility.hpp" 00020 00021 #include "coherence/lang/RuntimeException.hpp" 00022 #include "coherence/lang/String.hpp" 00023 00024 COH_OPEN_NAMESPACE2(coherence,lang) 00025 00026 00027 /** 00028 * Thrown when an application attempts to use <tt>NULL</tt> in a case where 00029 * a non-NULL handle to Object is required. These include: 00030 * <ul> 00031 * <li>Calling the instance method through a <tt>NULL</tt> handle.</li> 00032 * <li>Accessing or modifying the field through a <tt>NULL</tt> handle.</li> 00033 * <li>Dereferencing a <tt>NULL</tt> handle.</li> 00034 * </ul> 00035 * Applications should throw instances of this class to indicate other illegal 00036 * uses of <tt>NULL</tt> handles. 00037 */ 00038 class COH_EXPORT NullPointerException 00039 : public throwable_spec<NullPointerException, 00040 extends<RuntimeException> > 00041 { 00042 friend class factory<NullPointerException>; 00043 00044 // ----- constructors --------------------------------------------------- 00045 00046 protected: 00047 /** 00048 * Create a NullPointerException. 00049 * 00050 * @param vsMsg the detail message 00051 * @param vCause the underlying cause of the exception 00052 */ 00053 NullPointerException(String::View vsMsg = String::null_string, 00054 Exception::View vCause = NULL); 00055 }; 00056 00057 COH_CLOSE_NAMESPACE2 00058 00059 #endif // COH_NULL_POINTER_EXCEPTION_HPP