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84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_SHAMAP_SHAMAPLEAFNODE_H_INCLUDED
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#define RIPPLE_SHAMAP_SHAMAPLEAFNODE_H_INCLUDED
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#include <xrpl/shamap/SHAMapItem.h>
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#include <xrpl/shamap/SHAMapTreeNode.h>
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#include <cstdint>
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namespace ripple {
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class SHAMapLeafNode : public SHAMapTreeNode
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{
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protected:
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boost::intrusive_ptr<SHAMapItem const> item_;
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SHAMapLeafNode(
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boost::intrusive_ptr<SHAMapItem const> item,
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std::uint32_t cowid);
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SHAMapLeafNode(
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boost::intrusive_ptr<SHAMapItem const> item,
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std::uint32_t cowid,
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SHAMapHash const& hash);
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public:
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SHAMapLeafNode(SHAMapLeafNode const&) = delete;
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SHAMapLeafNode&
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operator=(SHAMapLeafNode const&) = delete;
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bool
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isLeaf() const final override
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{
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return true;
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}
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bool
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isInner() const final override
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{
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return false;
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}
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void
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invariants(bool is_root = false) const final override;
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public:
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boost::intrusive_ptr<SHAMapItem const> const&
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peekItem() const;
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/** Set the item that this node points to and update the node's hash.
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@param i the new item
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@return false if the change was, effectively, a noop (that is, if the
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hash was unchanged); true otherwise.
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*/
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bool
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setItem(boost::intrusive_ptr<SHAMapItem const> i);
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std::string
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getString(SHAMapNodeID const&) const final override;
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};
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} // namespace ripple
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#endif
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