00001 /* 00002 * Copyright (c) 2000, 2020, Oracle and/or its affiliates. 00003 * 00004 * Licensed under the Universal Permissive License v 1.0 as shown at 00005 * http://oss.oracle.com/licenses/upl. 00006 */ 00007 #ifndef COH_ABSTRACT_SET_HPP 00008 #define COH_ABSTRACT_SET_HPP 00009 00010 #include "coherence/lang.ns" 00011 #include "coherence/util/AbstractCollection.hpp" 00012 #include "coherence/util/Set.hpp" 00013 00014 COH_OPEN_NAMESPACE2(coherence,util) 00015 00016 00017 /** 00018 * This class provides a skeletal implementation of the <tt>Set</tt> 00019 * interface to minimize the effort required to implement this 00020 * interface. 00021 * 00022 * The process of implementing a set by extending this class is identical 00023 * to that of implementing a Collection by extending AbstractCollection, 00024 * except that all of the methods and constructors in subclasses of this 00025 * class must obey the additional constraints imposed by the <tt>Set</tt> 00026 * interface (for instance, the <tt>add</tt> method must not permit addition 00027 * of multiple instances of an object to a set). 00028 * 00029 * @author js 2008.05.12 00030 */ 00031 class COH_EXPORT AbstractSet 00032 : public abstract_spec<AbstractSet, 00033 extends<AbstractCollection>, 00034 implements<Set> > 00035 { 00036 // ----- Object interface ----------------------------------------------- 00037 00038 public: 00039 /** 00040 * {@inheritDoc} 00041 */ 00042 virtual bool equals(Object::View v) const; 00043 00044 /** 00045 * {@inheritDoc} 00046 */ 00047 virtual size32_t hashCode() const; 00048 }; 00049 00050 COH_CLOSE_NAMESPACE2 00051 00052 #endif // COH_ABSTRACT_SET_HPP 00053