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65 lines
1.4 KiB
C++
65 lines
1.4 KiB
C++
#ifndef XRPL_SHAMAP_SHAMAPLEAFNODE_H_INCLUDED
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#define XRPL_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 xrpl {
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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 xrpl
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#endif
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