diff --git a/messagingcorelib/dbmsglib.cpp b/messagingcorelib/dbmsglib.cpp
new file mode 100644
index 0000000..f5b1a68
--- /dev/null
+++ b/messagingcorelib/dbmsglib.cpp
@@ -0,0 +1,51 @@
+#include "dbmsglib.h"
+
+#include <QDebug>
+
+#include <algorithm>
+
+DbMsgFieldBase::DbMsgFieldBase() :
+    m_touched(false)
+{
+}
+
+DbMsgFieldBase::~DbMsgFieldBase()
+{
+}
+
+bool DbMsgFieldBase::touched() const
+{
+    return m_touched;
+}
+
+void DbMsgFieldBase::setTouched(bool touched)
+{
+    m_touched = touched;
+}
+
+DbMsgBase::DbMsgBase()
+{
+}
+
+DbMsgBase::~DbMsgBase()
+{
+}
+
+bool DbMsgBase::touched() const
+{
+    const auto fields = getFields();
+    return std::any_of(fields.cbegin(), fields.cend(), [](const DbMsgFieldBase *field) { return field->touched(); });
+}
+
+void DbMsgBase::setTouched(bool touched)
+{
+    for(DbMsgFieldBase *field : getFields())
+        field->setTouched(touched);
+}
+
+void DbMsgBase::debug() const
+{
+    const auto fields = getFields();
+    for(auto iter = fields.cbegin(); iter != fields.cend(); iter++)
+        qDebug() << iter.key() << iter.value()->getVariant() << iter.value()->touched();
+}
diff --git a/messagingcorelib/dbmsglib.h b/messagingcorelib/dbmsglib.h
new file mode 100644
index 0000000..dc83505
--- /dev/null
+++ b/messagingcorelib/dbmsglib.h
@@ -0,0 +1,103 @@
+#pragma once
+
+#include <QVariant>
+#include <QMap>
+#include <QString>
+
+class DbMsgFieldBase
+{
+public:
+    DbMsgFieldBase();
+    virtual ~DbMsgFieldBase();
+
+    bool touched() const;
+    void setTouched(bool touched);
+
+    virtual QVariant getVariant() const = 0;
+
+private:
+    bool m_touched;
+};
+
+template<typename T>
+class DbMsgField : public DbMsgFieldBase
+{
+public:
+    DbMsgField();
+    DbMsgField(const T &value);
+
+    T &getValue();
+    const T &getValue() const;
+    void setValue(const T &value);
+
+    bool hasValue() const;
+
+    QVariant getVariant() const;
+
+private:
+    T m_value;
+    bool m_hasValue;
+};
+
+template<typename T>
+DbMsgField<T>::DbMsgField() :
+    DbMsgFieldBase(),
+    m_hasValue(false)
+{
+}
+
+template<typename T>
+DbMsgField<T>::DbMsgField(const T &value) :
+    DbMsgFieldBase(),
+    m_value(value), m_hasValue(true)
+{
+}
+
+template<typename T>
+T &DbMsgField<T>::getValue()
+{
+    return m_value;
+}
+
+template<typename T>
+const T &DbMsgField<T>::getValue() const
+{
+    return m_value;
+}
+
+template<typename T>
+void DbMsgField<T>::setValue(const T &value)
+{
+    m_hasValue = true;
+    m_value = value;
+    setTouched(true);
+}
+
+template<typename T>
+bool DbMsgField<T>::hasValue() const
+{
+    return m_hasValue;
+}
+
+template<typename T>
+QVariant DbMsgField<T>::getVariant() const
+{
+    return getValue();
+}
+
+class DbMsgBase
+{
+public:
+    DbMsgBase();
+    virtual ~DbMsgBase();
+
+    bool touched() const;
+
+    void setTouched(bool touched);
+
+    void debug() const;
+
+protected:
+    virtual QMap<QString, DbMsgFieldBase*> getFields() = 0;
+    virtual QMap<QString, const DbMsgFieldBase*> getFields() const = 0;
+};
diff --git a/messagingcorelib/messagingcorelib.pro b/messagingcorelib/messagingcorelib.pro
index 50ff422..20e465c 100644
--- a/messagingcorelib/messagingcorelib.pro
+++ b/messagingcorelib/messagingcorelib.pro
@@ -9,10 +9,12 @@ PROJECT_ROOT = ..
 DEFINES += MESSAGINGCORELIB_LIBRARY
 
 SOURCES += \
-    mymessage.cpp
+    mymessage.cpp \
+    dbmsglib.cpp
 
 HEADERS += messagingcorelib_global.h \
-    mymessage.h
+    mymessage.h \
+    dbmsglib.h
 
 FORMS +=
 
diff --git a/messagingcorelib/mymessage.cpp b/messagingcorelib/mymessage.cpp
index e62be2f..600f299 100644
--- a/messagingcorelib/mymessage.cpp
+++ b/messagingcorelib/mymessage.cpp
@@ -7,3 +7,34 @@ const QMap<QString, MyMessage::FieldGetterMethod> MyMessage::m_fields {
     { "age", &MyMessage::ageFieldBase },
     { "weight", &MyMessage::weightFieldBase }
 };
+
+MyMessage::MyMessage() :
+    DbMsgBase()
+{
+}
+
+MyMessage::MyMessage(const QString &name, const QDate &birthday, const QDateTime &sendTimestamp, int age, double weight) :
+    DbMsgBase(),
+    m_name(name), m_birthday(birthday), m_sendTimestamp(sendTimestamp), m_age(age), m_weight(weight)
+{
+}
+
+QMap<QString, DbMsgFieldBase *> MyMessage::getFields()
+{
+    QMap<QString, DbMsgFieldBase*> fields;
+
+    for(auto iter = m_fields.cbegin(); iter != m_fields.cend(); iter++)
+        fields.insert(iter.key(), &(this->*iter.value())());
+
+    return fields;
+}
+
+QMap<QString, const DbMsgFieldBase *> MyMessage::getFields() const
+{
+    QMap<QString, const DbMsgFieldBase*> fields;
+
+    for(auto iter = m_fields.cbegin(); iter != m_fields.cend(); iter++)
+        fields.insert(iter.key(), &(const_cast<MyMessage*>(this)->*iter.value())());
+
+    return fields;
+}
diff --git a/messagingcorelib/mymessage.h b/messagingcorelib/mymessage.h
index c3e393c..77a1959 100644
--- a/messagingcorelib/mymessage.h
+++ b/messagingcorelib/mymessage.h
@@ -1,85 +1,19 @@
 #pragma once
 
-#include <algorithm>
-
 #include <QString>
 #include <QDateTime>
 #include <QMap>
-#include <QVariant>
-#include <QDebug>
 
-class DbMsgFieldBase
-{
-public:
-    DbMsgFieldBase() : m_touched(false) {}
-
-    bool touched() const { return m_touched; }
-    void setTouched(bool touched) { m_touched = touched; }
-
-    virtual QVariant getVariant() const = 0;
-
-private:
-    bool m_touched;
-};
-
-template<typename T>
-class DbMsgField : public DbMsgFieldBase
-{
-public:
-    DbMsgField() : DbMsgFieldBase(), m_hasValue(false) {}
-    DbMsgField(const T &value) : DbMsgFieldBase(), m_value(value), m_hasValue(true) {}
-
-    T &getValue() { return m_value; }
-    const T &getValue() const { return m_value; }
-    void setValue(const T &value) { m_hasValue = true; m_value = value; setTouched(true); }
-
-    bool hasValue() const { return m_hasValue; }
-
-    QVariant getVariant() const { return getValue(); }
-
-private:
-    T m_value;
-    bool m_hasValue;
-};
-
-class DbMsgBase
-{
-public:
-    DbMsgBase() {}
-
-    bool touched() const
-    {
-        const auto fields = getFields();
-        return std::any_of(fields.cbegin(), fields.cend(), [](const DbMsgFieldBase *field) { return field->touched(); });
-    }
-
-    void setTouched(bool touched)
-    {
-        for(DbMsgFieldBase *field : getFields())
-            field->setTouched(touched);
-    }
-
-    void debug() const
-    {
-        const auto fields = getFields();
-        for(auto iter = fields.cbegin(); iter != fields.cend(); iter++)
-            qDebug() << iter.key() << iter.value()->getVariant() << iter.value()->touched();
-    }
-
-protected:
-    virtual QMap<QString, DbMsgFieldBase*> getFields() = 0;
-    virtual QMap<QString, const DbMsgFieldBase*> getFields() const = 0;
-};
+#include "dbmsglib.h"
 
 class MyMessage : public DbMsgBase
 {
-public:
-    MyMessage() : DbMsgBase() {}
+    typedef DbMsgFieldBase &(MyMessage::*FieldGetterMethod)();
+    static const QMap<QString, FieldGetterMethod> m_fields;
 
-    MyMessage(const QString &name, const QDate &birthday, const QDateTime &sendTimestamp, int age, double weight) :
-        DbMsgBase(),
-        m_name(name), m_birthday(birthday), m_sendTimestamp(sendTimestamp), m_age(age), m_weight(weight)
-    {}
+public:
+    MyMessage();
+    MyMessage(const QString &name, const QDate &birthday, const QDateTime &sendTimestamp, int age, double weight);
 
     QString getName() const { return m_name.getValue(); }
     void setName(const QString &name) { m_name.setValue(name); }
@@ -117,30 +51,10 @@ public:
     const DbMsgFieldBase &weightFieldBase() const { return m_weight; }
 
 protected:
-    QMap<QString, DbMsgFieldBase*> getFields() override
-    {
-        QMap<QString, DbMsgFieldBase*> fields;
-
-        for(auto iter = m_fields.cbegin(); iter != m_fields.cend(); iter++)
-            fields.insert(iter.key(), &(this->*iter.value())());
-
-        return fields;
-    }
-
-    QMap<QString, const DbMsgFieldBase*> getFields() const override
-    {
-        QMap<QString, const DbMsgFieldBase*> fields;
-
-        for(auto iter = m_fields.cbegin(); iter != m_fields.cend(); iter++)
-            fields.insert(iter.key(), &(const_cast<MyMessage*>(this)->*iter.value())());
-
-        return fields;
-    }
+    QMap<QString, DbMsgFieldBase*> getFields() override;
+    QMap<QString, const DbMsgFieldBase*> getFields() const override;
 
 private:
-    typedef DbMsgFieldBase &(MyMessage::*FieldGetterMethod)();
-    static const QMap<QString, FieldGetterMethod> m_fields;
-
     DbMsgField<QString> m_name;
     DbMsgField<QDate> m_birthday;
     DbMsgField<QDateTime> m_sendTimestamp;