промежуточный. частичный рефакторинг с прицелом на библиотечную часть

src/Common/Database/Objects/DBObject.java

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+package Common.Database.Objects;
+import Common_old.UI.Selectable;
+import Common.Utils.Index;
+import Common_old.Utils.Utils;
+import com.sun.org.glassfish.gmbal.Description;
+
+import java.io.Serializable;
+import java.util.Objects;
+public abstract class DBObject implements Selectable, Serializable {
+    //<editor-fold desc="Selectable">
+    @Description("IGNORE")
+    private boolean selected = false;
+    @Override
+    public boolean isSelected() {
+        return selected;
+    }
+    @Override
+    public void select(boolean flag) {
+        if (selected != flag) {
+            selected = flag;
+            Index counter = getSelectionCounter();
+            if (Objects.nonNull(counter)) {
+                if (selected) counter.Inc();
+                else counter.Dec();
+            }
+        }
+    }
+    //</editor-fold>
+    public Index getSelectionCounter() {
+        return null;
+    }
+    public boolean isVisible() {
+        return true;
+    }
+    public abstract Object getPK();
+    public String getBDialogName() {
+        return Utils.Brackets(getDialogName());
+    }
+    public String getDialogName() {
+        return getPK().toString();
+    }
+    public String getFKName() {
+        return getClass().getSimpleName().toLowerCase() + "_id";
+    }
+    public Object getEmptyFK() {
+        return null;
+    }
+    @Override
+    public String toString() {
+        return getBDialogName();
+    }
+    //---
+    public void SynchronizeFields(DBObject src){
+        selected = src.selected;
+    }
+    //------
+    public DBObject(){}
+    public DBObject(DBObject src){
+        this.SynchronizeFields(src);
+    }
+    //---------
+}

src/Common/Database/Objects/iDBObject.java

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+package Common.Database.Objects;
+import Common_old.Constants;
+import com.google.gson.annotations.Expose;
+import com.sun.org.glassfish.gmbal.Description;
+//автоинкрементальный ключ
+public class iDBObject extends DBObject {
+    @Expose
+    @Description("PRIMARY KEY,AUTOINCREMENT")
+    public int id;
+    @Override
+    public Object getPK() {
+        return id;
+    }
+    @Override
+    public Object getEmptyFK() {
+        return Constants.Nan;
+    }
+    //---
+    @Override
+    public void SynchronizeFields(DBObject src) {
+        super.SynchronizeFields(src);
+        id = ((iDBObject)src).id;
+    }
+    public iDBObject(){}
+    public iDBObject(iDBObject src){
+        this.SynchronizeFields(src);
+    }
+}

src/Common/Database/Objects/nDBObject.java

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+package Common.Database.Objects;
+import Common_old.Utils.Utils;
+import com.sun.org.glassfish.gmbal.Description;
+public abstract class nDBObject extends DBObject {
+    @Description("PRIMARY KEY, UNIQUE")
+    public String id = "";
+    @Override
+    public Object getPK() {
+        return id;
+    }
+    @Override
+    public Object getEmptyFK() {
+        return "";
+    }
+    public void genName() {
+        id = Utils.getDateName(getClass().getSimpleName().toLowerCase());
+    }
+    //-
+    @Override
+    public void SynchronizeFields(DBObject src) {
+        super.SynchronizeFields(src);
+        id = ((nDBObject)src).id;
+    }
+    public nDBObject(nDBObject src){
+        this.SynchronizeFields(src);
+    }
+    public nDBObject(){}
+}

src/Common/Database/Objects/rDBObject.java

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+package Common.Database.Objects;
+import java.util.Date;
+//объект репозитория. ключ имя, и есть данные отправителя.
+public class rDBObject extends nDBObject {
+    public String sender_name = "";
+    public String sender_address = "";
+    public String description = "";
+    //-
+    public long date = 0;
+    public long change_date;
+    public Date getDate() {
+        return new Date(date);
+    }
+    public Date getChangeDate() {
+        return new Date(change_date);
+    }
+    @Override
+    public void SynchronizeFields(DBObject src) {
+        super.SynchronizeFields(src);
+        rDBObject r = (rDBObject) src;
+        sender_name = r.sender_name;
+        sender_address = r.sender_address;
+        description = r.description;
+        date = r.date;
+        change_date = r.change_date;
+    }
+    public rDBObject(rDBObject src) {
+        this.SynchronizeFields(src);
+    }
+    public rDBObject() {
+    }
+}

src/Common/Database/Objects/riDBObject.java

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+package Common.Database.Objects;
+public class riDBObject extends iDBObject {
+    //-
+    public String sender_name = "";
+    public String sender_address = "";
+    public String description = "";
+    //-
+    @Override
+    public void SynchronizeFields(DBObject src) {
+        super.SynchronizeFields(src);
+        //--
+        riDBObject r = (riDBObject) src;
+        sender_name = r.sender_name;
+        sender_address = r.sender_address;
+        description = r.description;
+    }
+}