00001 /* 00002 * Size64.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_SIZE64_HPP 00017 #define COH_SIZE64_HPP 00018 00019 #include "coherence/lang/compatibility.hpp" 00020 00021 #include "coherence/lang/Primitive.hpp" 00022 #include "coherence/lang/TypedHandle.hpp" 00023 00024 COH_OPEN_NAMESPACE2(coherence,lang) 00025 00026 00027 /** 00028 * An immutable 64-bit unsigned value. 00029 * 00030 * @author mf 2011.02.24 00031 */ 00032 class COH_EXPORT Size64 00033 : public cloneable_spec<Size64, 00034 extends<Primitive<size64_t> >, 00035 implements<Comparable> > 00036 { 00037 friend class factory<Size64>; 00038 00039 // ----- constructors --------------------------------------------------- 00040 00041 private: 00042 /** 00043 * Create a new Size64 instance. 00044 * 00045 * @param n the value of the new Size64 00046 * 00047 * @return the new Size64 00048 */ 00049 Size64(size64_t n); 00050 00051 /** 00052 * Copy constructor. 00053 */ 00054 Size64(const Size64& that); 00055 00056 00057 // ----- Comparable interface ------------------------------------------- 00058 00059 public: 00060 /** 00061 * {@inheritDoc} 00062 */ 00063 virtual int32_t compareTo(Object::View v) const; 00064 00065 00066 // ----- static methods ------------------------------------------------- 00067 00068 public: 00069 /** 00070 * Factory method to produce Size64 objects with an optimization 00071 * that uses cached objects for all relatively-low values. 00072 * 00073 * @param n an size64_t 00074 * 00075 * @return an Size64 whose value is the passed size64_t 00076 */ 00077 static Handle valueOf(size64_t n); 00078 00079 00080 // ----- constants ------------------------------------------------------ 00081 00082 public: 00083 /** 00084 * A constant for the minimum representable value. 00085 */ 00086 static const size64_t min_value = 0x0; 00087 00088 /** 00089 * A constant for the maximum representable value. 00090 */ 00091 static const size64_t max_value = size64_t(0xFFFFFFFF) << 32 | size64_t(0xFFFFFFFF); 00092 }; 00093 00094 COH_CLOSE_NAMESPACE2 00095 00096 #endif // COH_SIZE64_HPP