| /********************************************************************** |
| // @@@ START COPYRIGHT @@@ |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| // @@@ END COPYRIGHT @@@ |
| **********************************************************************/ |
| #ifndef MDAMREFLISTENTRY_H |
| #define MDAMREFLISTENTRY_H |
| /* -*-C++-*- |
| ******************************************************************************** |
| * |
| * File: MdamRefListEntry.h |
| * Description: MDAM Reference List Entry |
| * |
| * |
| * Created: 5/21/96 |
| * Language: C++ |
| * |
| * |
| ******************************************************************************** |
| */ |
| |
| // ----------------------------------------------------------------------------- |
| |
| #include "FixedSizeHeapManager.h" |
| |
| // ***************************************************************************** |
| // MDAM Reference List Entry is an entry in an MDAM Reference List. It |
| // contains a disjunct number and a forward pointer to form a linked list. |
| // See class MdamRefList for further information. |
| // ***************************************************************************** |
| |
| class MdamRefListEntry |
| { |
| |
| public: |
| |
| // Constructor for use on an empty list. |
| // nextEntryPtr_ is set to point to the newly-created node to begin a |
| // circularly-linked list. |
| MdamRefListEntry(const Int32 disjunctNum) |
| : disjunctNum_(disjunctNum) |
| { |
| nextEntryPtr_ = this; |
| } |
| |
| // Constructor for use on a non-empty list. |
| // The new node is inserted into the linked list following the node pointed |
| // to by beforePtr. |
| MdamRefListEntry(const Int32 disjunctNum, |
| MdamRefListEntry * beforePtr) |
| : disjunctNum_(disjunctNum), |
| nextEntryPtr_(beforePtr->nextEntryPtr_) |
| { |
| beforePtr->nextEntryPtr_ = this; |
| } |
| |
| // Destructor. |
| inline ~MdamRefListEntry(); |
| |
| // Operator new. |
| inline void * operator new(size_t size, |
| FixedSizeHeapManager & mdamRefListEntryHeap); |
| |
| // Operator new with just size_t. This should never be called. |
| void * operator new(size_t size) |
| { |
| ex_assert(0,"MdamRefListEntry::operator new(size_t) called."); |
| return 0; |
| } |
| |
| // Operator delete. This should never be called. |
| void operator delete(void *) |
| { |
| ex_assert(0,"MdamRefListEntry::operator delete(void *) called."); |
| } |
| |
| |
| // Get function for disjunctNum_. |
| inline Int32 getDisjunctNum() const; |
| |
| // Get function for nextEntryPtr_. |
| inline MdamRefListEntry * getNextEntryPtr(); |
| |
| // This function returns beforePtr to prepare for an insertion. |
| // The object for which the function is called must be the last |
| // entry of a reference list. |
| MdamRefListEntry * positionBeforePtr(const Int32 disjunctNum); |
| |
| |
| private: |
| |
| // Disjunct number. |
| Int32 disjunctNum_; |
| |
| // Forward pointer to form a linked list. |
| MdamRefListEntry * nextEntryPtr_; |
| |
| }; // class MdamRefListEntry |
| |
| |
| // ***************************************************************************** |
| // Inline member functions for class MdamRefListEntry |
| // ***************************************************************************** |
| |
| // Destructor. |
| inline MdamRefListEntry::~MdamRefListEntry() {} |
| |
| |
| // Operator new. |
| inline void * MdamRefListEntry::operator new |
| (size_t size, |
| FixedSizeHeapManager & mdamRefListEntryHeap) |
| { |
| return mdamRefListEntryHeap.allocateElement(size); |
| } |
| |
| // Get function for disjunctNum_. |
| inline Int32 MdamRefListEntry::getDisjunctNum() const |
| { |
| return disjunctNum_; |
| } |
| |
| |
| // Get function for nextEntryPtr_. |
| inline MdamRefListEntry * MdamRefListEntry::getNextEntryPtr() |
| { |
| return nextEntryPtr_; |
| } |
| |
| |
| #endif /* MDAMREFLISTENTRY_H */ |