C++ Client API Reference for Oracle Coherence: coherence/util/AbstractList.hpp Source File

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_LIST_HPP
00008 #define COH_ABSTRACT_LIST_HPP
00009 
00010 #include "coherence/lang.ns"
00011 
00012 #include "coherence/util/AbstractCollection.hpp"
00013 #include "coherence/util/List.hpp"
00014 
00015 COH_OPEN_NAMESPACE2(coherence,util)
00016 
00017 
00018 /**
00019 * This class provides a skeletal implementation of the List interface to
00020 * minimize the effort required to implement this interface.
00021 */
00022 class COH_EXPORT AbstractList
00023     : public abstract_spec<AbstractList,
00024         extends<AbstractCollection>,
00025         implements<List> >
00026     {
00027     protected:
00028         /**
00029         * @internal
00030         */
00031         AbstractList();
00032 
00033         /**
00034         * @internal
00035         */
00036         AbstractList(const AbstractList& that);
00037 
00038 
00039     // ----- List interface -------------------------------------------------
00040 
00041     public:
00042         /**
00043         * {@inheritDoc}
00044         */
00045         virtual Object::Holder get(size32_t i);
00046 
00047         /**
00048         * {@inheritDoc}
00049         */
00050         using List::get;
00051 
00052 
00053     // ----- Object interface -----------------------------------------------
00054 
00055     public:
00056         /**
00057         * {@inheritDoc}
00058         */
00059         virtual bool equals(Object::View v) const;
00060 
00061         /**
00062         * {@inheritDoc}
00063         */
00064         virtual size32_t hashCode() const;
00065 
00066         /**
00067         * {@inheritDoc}
00068         */
00069         virtual bool isImmutable() const;
00070 
00071 
00072     // ----- data members ---------------------------------------------------
00073 
00074     protected:
00075         /**
00076         * The cached hash of all the array elements. The hash code is not
00077         * cached until the List becomes immutable. A value of 0 indicates
00078         * that the has has not been cached.
00079         */
00080         mutable size32_t m_nHashCode;
00081     };
00082 
00083 COH_CLOSE_NAMESPACE2
00084 
00085 #endif // COH_ABSTRACT_LIST_HPP