Message.h

Go to the documentation of this file.

// Copyright Onix Solutions Limited [OnixS]. All rights reserved.
//
// This software owned by Onix Solutions Limited [OnixS] and is
// protected by copyright law and international copyright treaties.
//
// Access to and use of the software is governed by the terms of the applicable
// OnixS Software Services Agreement (the Agreement) and Customer end user license
// agreements granting a non-assignable, non-transferable and non-exclusive license
// to use the software for it's own data processing purposes under the terms defined
// in the Agreement.
//
// Except as otherwise granted within the terms of the Agreement, copying or
// reproduction of any part of this source code or associated reference material
// to any other location for further reproduction or redistribution, and any
// amendments to this copyright notice, are expressly prohibited.
//
// Any reproduction or redistribution for sale or hiring of the Software not in
// accordance with the terms of the Agreement is a violation of copyright law.
//

#pragma once

#include <OnixS/CME/iLink3/messaging/SbeMessage.h>
#include <OnixS/CME/iLink3/messaging/TagBased/Field.h>
#include <OnixS/CME/iLink3/messaging/TagBased/Tag.h>

#include <cstdlib>

ONIXS_ILINK3_MESSAGING_TAGBASED_NAMESPACE_BEGIN

/// Provides a tag-based access to fields
/// stored in an SBE-encoded block.
ONIXS_ILINK3_EXPORTED_STRUCT
FieldAccessor
{
    /// \return the Field that corresponds to the given tag.
    virtual Field field(const BinaryBlockBase&, Tag) const ONIXS_ILINK3_NOTHROW = 0;

    /// Sets a field value by its tag.
    virtual void setField(BinaryBlockBase&, Tag, const Field&) const = 0;

    /// Resets a field value by its tag.
    virtual void resetField(BinaryBlockBase&, Tag) const = 0;

    /// Resets all variable-length and optional fields.
    virtual void reset(BinaryBlockBase&) const ONIXS_ILINK3_NOTHROW = 0;

protected:
    ~FieldAccessor() ONIXS_ILINK3_DEFAULT;
};

/// Collection of Fields.
ONIXS_ILINK3_EXPORTED_STRUCT FieldSet
{
    /// \return `true` if the instance refers to a valid repeating group entry, otherwise - `false`.
    ONIXS_ILINK3_EXPLICIT operator bool() const ONIXS_ILINK3_NOTHROW
    {
        return (ONIXS_ILINK3_NULLPTR != accessor_);
    }

    /// Resets all variable-length and optional fields.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& reset() ONIXS_ILINK3_NOTHROW
    {
        accessor_->reset(binary_);

        return *this;
    }

    /// \return Field by its tag.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD Field field(Tag tag) const ONIXS_ILINK3_NOTHROW
    {
        assert(accessor_);

        return accessor_->field(binary_, tag);
    }

    /// Assigns the field by its tag.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    FieldSet& setField(
        Tag tag, const Field& field)
    {
        assert(accessor_);
        assert(field);

        accessor_->setField(binary_, tag, field);

        return *this;
    }

    /// Resets the field by its tag.
    ///
    /// \throw std::runtime_error if or the value is not
    /// optional or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& resetField(Tag tag)
    {
        assert(accessor_);

        accessor_->resetField(binary_, tag);

        return *this;
    }

    /// \return field by its tag.
    ///
    /// If the source does not contain any
    /// field with the given tag, the returned
    /// instance represents a null field.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD Field operator [](Tag tag) const ONIXS_ILINK3_NOTHROW
    {
        return this->field(tag);
    }

    /// \return `true` if the field-set contains the
    /// field with the given tag, otherwise - `false`.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD bool contain(Tag tag) const ONIXS_ILINK3_NOTHROW;

    /// \return field value as an `Char` value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD Char getChar(Tag tag) const;

    /// \return field value as an `Int64` value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD Int64 getInt64(Tag tag) const;

    /// \return field value as an `UInt64` value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD UInt64 getUInt64(Tag tag) const;

    /// \return field value as an `Int32` value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD Int32 getInt32(Tag tag) const;

    /// \return field value as an `UInt32` value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD UInt32 getUInt32(Tag tag) const;

    /// \return field value as an `Int16` value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD Int16 getInt16(Tag tag) const;

    /// \return field value as an `UInt16` value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD UInt16 getUInt16(Tag tag) const;

    /// \return field value as an `Int8` value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD Int8 getInt8(Tag tag) const;

    /// \return field value as an `UInt8` value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD UInt8 getUInt8(Tag tag) const;

    /// \return the field value as a Decimal number.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD Decimal getDecimal(Tag tag) const;

    /// \return reference to a read-only text chain.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD StrRef getStringRef(Tag tag) const;

    /// \return the field value as a timestamp
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD Timestamp getTimestamp(Tag tag) const;

    /// \return the field value as a MaturityMonthYear.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    MaturityMonthYear getMaturityMonthYear(Tag tag) const;

    /// \return the field value as an enumeration.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    template <typename Enumeration>
    ONIXS_ILINK3_NODISCARD typename Enumeration::Enum getEnumeration(Tag tag) const
    {
        return field(tag).cast<Enumeration>();
    }

    /// \return the field value as a set.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    template <typename BitSet>
    ONIXS_ILINK3_NODISCARD BitSet getBitSet(Tag tag) const
    {
        return BitSet(field(tag).cast<typename BitSet::Bits>());
    }

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    FieldSet& set(Tag tag, const Field& field)
    {
        return setField(tag, field);
    }

    /// Assigns a given value as a set.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    template <typename BitSet>
    FieldSet& set(Tag tag, BitSet value, typename BitSet::Bits* = ONIXS_ILINK3_NULLPTR)
    {
        return set(tag, value.bits());
    }

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    FieldSet& set(Tag tag, Char value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, UInt64 value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, Int64 value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, UInt32 value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, Int32 value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, UInt16 value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, Int16 value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, UInt8 value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, Int8 value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, const Decimal& value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, StrRef value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, Timestamp value);

    /// Assigns a given value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value is not allowed.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    FieldSet& set(Tag tag, const MaturityMonthYear& value);

protected:
    ~FieldSet() ONIXS_ILINK3_DEFAULT;

    /// Initializes the instance over the binary data.
    FieldSet(
        BinaryBlockBase& binary,
        const FieldAccessor* accessor)
        ONIXS_ILINK3_NOTHROW
        : binary_(binary)
        , accessor_(accessor)
    {
    }

    /// \return FieldAccessor.
    const FieldAccessor* accessor() const ONIXS_ILINK3_NOTHROW
    {
        return accessor_;
    }

    /// Sets the FieldAccessor.
    void setAccessor(const FieldAccessor* obj) ONIXS_ILINK3_NOTHROW
    {
        accessor_ = obj;
    }

private:
    BinaryBlockBase& binary_;
    const FieldAccessor* accessor_;
};

typedef
SbeGroupEntry<MessageSize>
GroupEntrySource;

/// Provides a tag-based access to fields
/// stored in an SBE-encoded repeating group.
ONIXS_ILINK3_EXPORTED_STRUCT
GroupEntryAccessor : public FieldAccessor
{
protected:
    ~GroupEntryAccessor() ONIXS_ILINK3_DEFAULT;
};

/// Provides a tag-based access to fields
/// stored in an SBE-encoded repeating group.
ONIXS_ILINK3_LTWT_CLASS
GroupEntry : public FieldSet
{
public:
    /// Initializes the instance which refers to
    /// nothing and thus represents a null instance.
    GroupEntry() ONIXS_ILINK3_NOTHROW
        : FieldSet(binary_, ONIXS_ILINK3_NULLPTR)
        , binary_()
    {
    }

    /// Initializes the instance as
    /// the copy of the given one.
    GroupEntry(const GroupEntry& r) ONIXS_ILINK3_NOTHROW
        : FieldSet(binary_, r.accessor())
        , binary_(r.binary_)
    {
    }

    /// Re-initializes as the
    /// copy of the given instance.
    GroupEntry& operator =(const GroupEntry& r) ONIXS_ILINK3_NOTHROW
    {
        setAccessor(r.accessor());
        this->binary_ = r.binary_;

        return *this;
    }

protected:
    friend
    ONIXS_ILINK3_LTWT_CLASS_DECL
    (
        Group
    );

    /// Full-initialized instances are
    /// constructed through descendants.
    GroupEntry(const GroupEntrySource& binary, const GroupEntryAccessor& accessor) ONIXS_ILINK3_NOTHROW
        : FieldSet(binary_, &accessor)
        , binary_(binary)
    {
    }

private:
    GroupEntrySource binary_;
};

typedef
SbeGroupEntries
<
    GroupEntrySource,
    MessageSize,
    MessageSize,
    MessageSize
>
GroupEntriesSource;

/// Implements a tag-based repeating group
/// over an SBE-encoded binary data.
ONIXS_ILINK3_LTWT_CLASS Group
{
public:
    /// Number of repeating group entries.
    typedef
    GroupEntriesSource::Size
    Size;

    /// Initializes the instance which refers to
    /// nothing and thus represent a null instance.
    Group()
        : accessor_(ONIXS_ILINK3_NULLPTR)
    {
    }

    /// Indicates whether the instance
    /// refers to a valid repeating group.
    ONIXS_ILINK3_EXPLICIT operator bool() const ONIXS_ILINK3_NOTHROW
    {
        return (ONIXS_ILINK3_NULLPTR != accessor_);
    }

    /// Number of entries in the repeating group
    /// being referred by the given instance.
    Size size() const ONIXS_ILINK3_NOTHROW
    {
        return binary_.size();
    }

    /// Provides access to the group
    /// entry by its index in the group.
    GroupEntry operator [](Size index) const
    {
        assert(accessor_);
        assert(binary_.valid());

        return GroupEntry(binary_[index], *accessor_);
    }

protected:
    /// Initializes the instance over the binary data.
    Group(const GroupEntriesSource& binary, const GroupEntryAccessor& accessor) ONIXS_ILINK3_NOTHROW
        : binary_(binary)
        , accessor_(&accessor)
    {
    }

private:
    GroupEntriesSource binary_;
    const GroupEntryAccessor* accessor_;
};

/// Implements tag-based services
/// for an SBE-encoded message.
ONIXS_ILINK3_EXPORTED_STRUCT
MessageAccessor : public FieldAccessor
{
    /// \return Message type.
    virtual StrRef type() const ONIXS_ILINK3_NOTHROW = 0;

    /// \return a repeating group by its tag.
    virtual Group group(const SbeMessage&, Tag) const ONIXS_ILINK3_NOTHROW = 0;

    /// Sets a repeating group by its tag.
    virtual Group group(SbeMessage&, Tag, MessageSize) const = 0;

    /// \return Message size.
    virtual MessageSize calculateBinarySize(const SbeMessage&) const ONIXS_ILINK3_NOTHROW = 0;

    /// Serializes the given message into
    /// the tag=value presentation.
    virtual void toFix(std::string&, const SbeMessage&) const = 0;

    /// \return the tag=value presentation.
    std::string toFix(const SbeMessage&, Char delimiter) const;

protected:
    ~MessageAccessor() ONIXS_ILINK3_DEFAULT;
};

/// Implements a tag-based interface
/// over an SBE-encoded message.
ONIXS_ILINK3_LTWT_CLASS
Message : public FieldSet
{
public:
    /// Initializes the message which refers
    /// to nothing and thus being a null-instance.
    Message() ONIXS_ILINK3_NOTHROW
        : FieldSet(binary_, ONIXS_ILINK3_NULLPTR)
        , binary_()
    {
    }

    /// Initializes the instance as the copy of the given one.
    Message(const Message& r) ONIXS_ILINK3_NOTHROW
        : FieldSet(binary_, r.accessor())
        , binary_(r.binary_)
    {
    }

    /// Re-initializes as the copy of the given instance.
    Message& operator = (const Message& r) ONIXS_ILINK3_NOTHROW
    {
        setAccessor(r.accessor());
        this->binary_ = r.binary_;

        return *this;
    }

    /// \return Message type.
    StrRef type() const ONIXS_ILINK3_NOTHROW
    {
        return accessor()->type();
    }

    /// \return a repeating group by its tag.
    ///
    /// \note a null instance is returned if the requested
    /// group is not available in the message.
    Group group(Tag tag) const ONIXS_ILINK3_NOTHROW
    {
        assert(binary_.valid());

        return accessor()->group(binary_, tag);
    }

    //// Sets a repeating group with the given number of entries
    //// by its tag.
    ///
    /// \return a null instance if the requested
    /// group is not available in the given message.
    Group group(Tag tag, MessageSize size)
    {
        assert(binary_.valid());

        return accessor()->group(binary_, tag, size);
    }

    /// \return a variable-length field value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD StrRef getVarData(Tag tag) const
    {
        return field(tag).cast<StrRef>();
    }

    /// Sets a variable-length field value.
    ///
    /// \throw std::runtime_error if conversion is impossible
    /// or the value does not exist.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    Message& setVarData(Tag tag, StrRef value)
    {
        set(tag, value);

        return *this;
    }

    /// \return Message size.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD MessageSize calculateBinarySize() const ONIXS_ILINK3_NOTHROW
    {
        assert(binary_.valid());

        return accessor()->calculateBinarySize(binary_);
    }

    /// Builds a tag=value representation.
    void toFix(std::string& str) const
    {
        accessor()->toFix(str, binary_);
    }

    /// \return a tag=value representation.
    ONIXS_ILINK3_NODISCARD std::string toFix(Char delimiter = '\x1') const
    {
        return accessor()->toFix(binary_, delimiter);
    }

    /// Builds a human-readable tag=value representation.
    ONIXS_ILINK3_NODISCARD std::string toString() const
    {
        return accessor()->toFix(binary_, '|');
    }

    /// \return SBE Schema version.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD SchemaVersion version() const
    {
        assert(accessor());
        assert(binary_.valid());

        return binary_.version();
    }

    /// \return Template Id.
    ///
    /// \warning Does not check whether the instance refers
    /// to a valid set of fields.
    /// Use operator bool() to check whether
    /// the instance is in a valid state.
    ONIXS_ILINK3_NODISCARD MessageTemplateId templateId() const
    {
        assert(accessor());
        assert(binary_.valid());

        return binary_.templateId();
    }

protected:
    /// Initializes the instance from an SBE-encoded message.
    Message(SbeMessage binary, const MessageAccessor& accessor) ONIXS_ILINK3_NOTHROW
        : FieldSet(binary_, &accessor)
        , binary_(binary)
    {
    }

    ~Message() ONIXS_ILINK3_DEFAULT;

private:
    const MessageAccessor* accessor() const ONIXS_ILINK3_NOTHROW
    {
        const FieldAccessor* const parentAccessor = FieldSet::accessor();

        assert(parentAccessor);
        assert(dynamic_cast<const MessageAccessor*>(parentAccessor));

        return static_cast<const MessageAccessor*>(parentAccessor);
    }

private:
    SbeMessage binary_;
};

/// Serializes into a tag=value format.
inline void toStr(std::string& str, const Message& message)
{
    message.toFix(str);
}

/// Serializes into tag=value format.
inline std::string toStr(const Message& message)
{
    std::string str;

    toStr(str, message);

    return str;
}

/// Serializes into a stream.
inline std::ostream& operator<<(std::ostream& stream, const Message& msg)
{
    return stream << msg.toString();
}

ONIXS_ILINK3_MESSAGING_TAGBASED_NAMESPACE_END