//------------------------------------------------------------------------------
/*
    Copyright (c) 2011-2013, OpenCoin, Inc.
*/
//==============================================================================

#ifndef RIPPLE_SERIALIZEDLEDGER_H
#define RIPPLE_SERIALIZEDLEDGER_H

// VFALCO NOTE
//
//      This looks like a central class for Ripple. Almost everything that
//      does anything of interest deals with SLE objects. Any documentation
//      effort should start with a complete description of this object and
//      all of its operations.
//
//      It is derived from STObject so it inherits a lot of behavior from that.
//
// VFALCO TODO Rename the source file to match the class
//
// VFALCO TODO Can we rename this class to something shorter and more concise?
//
//             Can we just call this LedgerEntry?
//
class SerializedLedgerEntry
    : public STObject
    , public CountedObject <SerializedLedgerEntry>
{
public:
    static char const* getCountedObjectName () { return "SerializedLedgerEntry"; }

    typedef boost::shared_ptr<SerializedLedgerEntry>        pointer;
    typedef const boost::shared_ptr<SerializedLedgerEntry>& ref;

public:
    SerializedLedgerEntry (const Serializer & s, uint256 const & index);
    SerializedLedgerEntry (SerializerIterator & sit, uint256 const & index);
    SerializedLedgerEntry (LedgerEntryType type, uint256 const & index);

    SerializedTypeID getSType () const
    {
        return STI_LEDGERENTRY;
    }
    std::string getFullText () const;
    std::string getText () const;
    Json::Value getJson (int options) const;

    uint256 const& getIndex () const
    {
        return mIndex;
    }
    void setIndex (uint256 const & i)
    {
        mIndex = i;
    }

    void setImmutable ()
    {
        mMutable = false;
    }
    bool isMutable ()
    {
        return mMutable;
    }
    SerializedLedgerEntry::pointer getMutable () const;

    LedgerEntryType getType () const
    {
        return mType;
    }
    uint16 getVersion () const
    {
        return getFieldU16 (sfLedgerEntryType);
    }
    LedgerFormats::Item const* getFormat ()
    {
        return mFormat;
    }

    bool isThreadedType (); // is this a ledger entry that can be threaded
    bool isThreaded ();     // is this ledger entry actually threaded
    bool hasOneOwner ();    // This node has one other node that owns it (like nickname)
    bool hasTwoOwners ();   // This node has two nodes that own it (like ripple balance)
    RippleAddress getOwner ();
    RippleAddress getFirstOwner ();
    RippleAddress getSecondOwner ();
    uint256 getThreadedTransaction ();
    uint32 getThreadedLedger ();
    bool thread (uint256 const & txID, uint32 ledgerSeq, uint256 & prevTxID, uint32 & prevLedgerID);
    std::vector<uint256> getOwners ();  // nodes notified if this node is deleted

private:
    SerializedLedgerEntry* duplicate () const
    {
        return new SerializedLedgerEntry (*this);
    }

private:
    uint256                     mIndex;
    LedgerEntryType             mType;
    LedgerFormats::Item const*  mFormat;
    bool                        mMutable;
};

typedef SerializedLedgerEntry SLE;

#endif
// vim:ts=4