text: //------------------------------------------------------------------------------
  /*
      This file is part of jbcoind: https://github.com/jbcoin/jbcoind
      Copyright (c) 2012, 2013 JBCoin Labs Inc.
  
      Permission to use, copy, modify, and/or distribute this software for any
      purpose  with  or without fee is hereby granted, provided that the above
      copyright notice and this permission notice appear in all copies.
  
      THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
      MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
      ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
      WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
      ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
      OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
  //==============================================================================
  
  #ifndef JBCOIN_PROTOCOL_STLEDGERENTRY_H_INCLUDED
  #define JBCOIN_PROTOCOL_STLEDGERENTRY_H_INCLUDED
  
  #include <jbcoin/protocol/Indexes.h>
  #include <jbcoin/protocol/STObject.h>
  
  namespace jbcoin {
  
  class Invariants_test;
  
  class STLedgerEntry final
      : public STObject
      , public CountedObject <STLedgerEntry>
  {
      friend Invariants_test; // this test wants access to the private type_
  
  public:
      static char const* getCountedObjectName () { return "STLedgerEntry"; }
  
      using pointer = std::shared_ptr<STLedgerEntry>;
      using ref     = const std::shared_ptr<STLedgerEntry>&;
  
      /** Create an empty object with the given key and type. */
      explicit
      STLedgerEntry (Keylet const& k);
  
      STLedgerEntry (LedgerEntryType type,
              uint256 const& key)
          : STLedgerEntry(Keylet(type, key))
      {
      }
  
      STLedgerEntry (SerialIter & sit, uint256 const& index);
      STLedgerEntry(SerialIter&& sit, uint256 const& index)
          : STLedgerEntry(sit, index) {}
  
      STLedgerEntry (STObject const& object, uint256 const& index);
  
      STBase*
      copy (std::size_t n, void* buf) const override
      {
          return emplace(n, buf, *this);
      }
  
      STBase*
      move (std::size_t n, void* buf) override
      {
          return emplace(n, buf, std::move(*this));
      }
  
      SerializedTypeID getSType () const override
      {
          return STI_LEDGERENTRY;
      }
  
      std::string getFullText () const override;
  
      std::string getText () const override;
  
      Json::Value getJson (int options) const override;
  
      /** Returns the 'key' (or 'index') of this item.
          The key identifies this entry's position in
          the SHAMap associative container.
      */
      uint256 const&
      key() const
      {
          return key_;
      }
  
      LedgerEntryType getType () const
      {
          return type_;
      }
  
      // is this a ledger entry that can be threaded
      bool isThreadedType() const;
  
      bool thread (
          uint256 const& txID,
          std::uint32_t ledgerSeq,
          uint256 & prevTxID,
          std::uint32_t & prevLedgerID);
  
  private:
      /*  Make STObject comply with the template for this SLE type
          Can throw
      */
      void setSLEType ();
  
  private:
      uint256 key_;
      LedgerEntryType type_;
  };
  
  using SLE = STLedgerEntry;
  
  } // jbcoin
  
  #endif
  