delphimvcframework/unittests/general/Several/BOs.pas

// ***************************************************************************
//
// Delphi MVC Framework
//
// Copyright (c) 2010-2023 Daniele Teti and the DMVCFramework Team
//
// https://github.com/danieleteti/delphimvcframework
//
// ***************************************************************************
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// *************************************************************************** }

unit BOs;

interface

uses
  system.TimeSpan, generics.collections, system.Classes,
  system.Rtti, MVCFramework.Serializer.Commons, JsonDataObjects,
  MVCFramework.ActiveRecord, MVCFramework.Nullables,
  MVCFramework.SQLGenerators.SQLite, MVCFramework.SQLGenerators.Firebird,
  MVCFramework.SQLGenerators.PostgreSQL,
  FireDAC.Stan.Param, Data.DB, System.SysUtils;

const
  SQLs_SQLITE: array [0 .. 6] of string =
    ('CREATE TABLE customers (id INTEGER NOT NULL, code varchar (20), description varchar (200), city varchar (200), note TEXT, rating INTEGER, creation_time TIME, creation_date date, PRIMARY KEY (id))',
    'CREATE TABLE customers2 (id INTEGER NOT NULL, code varchar (20), description varchar (200), city varchar (200), note TEXT, rating INTEGER, creation_time TIME, creation_date date, PRIMARY KEY (id))',
    'CREATE TABLE customers_with_code (code varchar (20) not null, description varchar (200), city varchar (200), note TEXT, rating INTEGER, PRIMARY KEY(code))',
    'CREATE TABLE nullables_test(f_int2 int2, f_int8 int8, f_int4 int4, f_string varchar, f_bool BOOLEAN, '
    + 'f_date TIMESTAMP, f_time TIMESTAMP, f_datetime TIMESTAMP, f_float4 float4, f_float8 float8, '
    + 'f_currency numeric(18,4), f_blob BLOB)',
    'CREATE TABLE "customers with spaces" ( ' +
    '"id with spaces" integer primary key AUTOINCREMENT, ' +
    '"code with spaces" text, ' +
    '"description with spaces" text, ' +
    '"city with spaces" text, ' +
    '"note with spaces" text, ' +
    '"rating with spaces" INTEGER, ' +
    '"creation_time with spaces" TEXT, ' +
    '"creation_date with spaces" TEXT' +
    ') ',
    'CREATE TABLE booltest(id integer primary key AUTOINCREMENT, boolvalue integer)',
    'CREATE TABLE CUSTOMERS_WITH_GUID (IDGUID text NOT NULL, OtherGUID text not null, CODE text,	DESCRIPTION text,	CITY text,	NOTE text, RATING INTEGER,	CONSTRAINT CUSTOMERS_WITH_GUID_PK PRIMARY KEY (IDGUID))'
    );

  SQLs_FIREBIRD: array [0 .. 6] of string =
    ('CREATE TABLE customers (id integer generated by default as identity primary key, code varchar (20), description varchar (200), city varchar (200), note varchar(200), rating INTEGER, creation_time TIME, creation_date date)',
    'CREATE TABLE customers2 (id integer generated by default as identity primary key,code varchar (20), description varchar (200), city varchar (200), note varchar(200), rating INTEGER, creation_time TIME, creation_date date)',
    'CREATE TABLE customers_with_code (code varchar (20) not null, description varchar (200), city varchar (200), note varchar(200), rating INTEGER, PRIMARY KEY(code))',
    'CREATE TABLE nullables_test(f_int2 smallint, f_int8 bigint, f_int4 integer, f_string varchar(200), f_bool BOOLEAN, '
    + 'f_date TIMESTAMP, f_time TIMESTAMP, f_datetime TIMESTAMP, f_float4 float, f_float8 double precision, '
    + 'f_currency numeric(18,4), f_blob BLOB)',
    'CREATE TABLE "customers with spaces" ( ' +
    '"id with spaces" BIGINT generated by default as identity primary KEY, ' +
    '"code with spaces" varchar(20), ' +
    '"description with spaces" varchar(200), ' +
    '"city with spaces" varchar(200), ' +
    '"note with spaces" BLOB SUB_TYPE TEXT, ' +
    '"rating with spaces" INTEGER, ' +
    '"creation_time with spaces" time, ' +
    '"creation_date with spaces" date' +
    ') ',
    'CREATE TABLE booltest(id integer generated by default as identity primary key, boolvalue boolean)',
    'CREATE TABLE CUSTOMERS_WITH_GUID (IDGUID VARCHAR(38) NOT NULL,	OtherGUID VARCHAR(38) not null, CODE VARCHAR(20),	DESCRIPTION VARCHAR(200),	CITY VARCHAR(200),	NOTE BLOB SUB_TYPE TEXT,	RATING INTEGER,	CONSTRAINT CUSTOMERS_WITH_GUID_PK PRIMARY KEY (IDGUID))'
    );

  SQLs_POSTGRESQL: array [0 .. 6] of string =
    ('CREATE TABLE customers (id integer generated by default as identity primary key, code varchar (20), description varchar (200), city varchar (200), note varchar(200), rating INTEGER, creation_time TIME, creation_date date)',
    'CREATE TABLE customers2 (id integer generated by default as identity primary key,code varchar (20), description varchar (200), city varchar (200), note varchar(200), rating INTEGER, creation_time TIME, creation_date date)',
    'CREATE TABLE customers_with_code (code varchar (20) not null, description varchar (200), city varchar (200), note varchar(200), rating INTEGER, PRIMARY KEY(code))',
    'CREATE TABLE nullables_test(f_int2 smallint, f_int8 bigint, f_int4 integer, f_string varchar(200), f_bool BOOLEAN, '
    + 'f_date TIMESTAMP, f_time TIME, f_datetime TIMESTAMP, f_float4 float, f_float8 double precision, '
    + 'f_currency numeric(18,4), f_blob bytea)',
    'CREATE TABLE public."customers with spaces" ( ' +
    '"id with spaces" int8 generated by default as identity primary key, ' +
    '"code with spaces" varchar(20) NULL, ' +
    '"description with spaces" varchar(200) NULL, ' +
    '"city with spaces" varchar(200) NULL, ' +
    '"note with spaces" text NULL, ' +
    '"rating with spaces" int4 NULL, ' +
    '"creation_time with spaces" time NULL, ' +
    '"creation_date with spaces" date NULL' +
    ')',
    'CREATE TABLE booltest(id integer generated by default as identity primary key, boolvalue boolean)',
    'CREATE TABLE customers_with_guid (idguid UUID NOT NULL,	OtherGUID UUID not null, code VARCHAR(20),	description VARCHAR(200),	city VARCHAR(200),	note varchar,	RATING integer,	CONSTRAINT CUSTOMERS_WITH_GUID_PK PRIMARY KEY (idguid))'
);

type

  [MVCTable('customers')]
  TCustomer = class(TMVCActiveRecord)
  private
    [MVCTableField('id', [foPrimaryKey, foAutoGenerated])]
    fID: NullableInt32;
    [MVCTableField('code')]
    fCode: NullableString;
    [MVCTableField('description')]
    fCompanyName: NullableString;
    [MVCTableField('city')]
    fCity: string;
    [MVCTableField('rating')]
    fRating: NullableInt32;
    [MVCTableField('note')]
    fNote: string;
    [MVCTableField('creation_time')]
    fCreationTime: NullableTTime;
    [MVCTableField('creation_date')]
    fCreationDate: NullableTDate;
  public
    procedure Assign(Customer: TCustomer); reintroduce; overload;
    function Clone: TCustomer;
    function ToString: String; override;
    property ID: NullableInt32 read fID write fID;
    [MVCNameAs('CustomerCode')]
    property Code: NullableString read fCode write fCode;
    property CompanyName: NullableString read fCompanyName write fCompanyName;
    [MVCNameAs('CityName')]
    property City: string read fCity write fCity;
    property Rating: NullableInt32 read fRating write fRating;
    property CreationTime: NullableTTime read fCreationTime write fCreationTime;
    property CreationDate: NullableTDate read fCreationDate write fCreationDate;
    property Note: string read fNote write fNote;
  end;

  [MVCNameCase(ncLowerCase)]
  [MVCTable('customers', 'ge(Rating,4)')]
  TGoodCustomer = class(TCustomer)
  end;

  [MVCNameCase(ncLowerCase)]
  [MVCTable('customers', 'le(Rating,3)')]
  TBadCustomer = class(TCustomer)
  end;


  [MVCTable('customers')]
  TPartitionedCustomer = class(TMVCActiveRecord)
  private
    [MVCTableField('id', [foPrimaryKey, foAutoGenerated])]
    fID: NullableInt32;
    [MVCTableField('code')]
    fCode: NullableString;
    [MVCTableField('description')]
    fCompanyName: NullableString;
    [MVCTableField('note')]
    fNote: string;
    [MVCTableField('creation_time')]
    fCreationTime: NullableTTime;
    [MVCTableField('creation_date')]
    fCreationDate: NullableTDate;
  public
    property ID: NullableInt32 read fID write fID;
    property Code: NullableString read fCode write fCode;
    property CompanyName: NullableString read fCompanyName write fCompanyName;
    property CreationTime: NullableTTime read fCreationTime write fCreationTime;
    property CreationDate: NullableTDate read fCreationDate write fCreationDate;
    property Note: string read fNote write fNote;
  end;

  [MVCNameCase(ncLowerCase)]
  [MVCTable('customers')]
  [MVCPartition('rating=(integer)5')]
  TCustomerR5 = class(TPartitionedCustomer)
  end;

  [MVCNameCase(ncLowerCase)]
  [MVCTable('customers')]
  [MVCPartition('rating=(integer)4')]
  TCustomerR4 = class(TPartitionedCustomer)
  end;

  [MVCNameCase(ncLowerCase)]
  [MVCTable('customers')]
  [MVCPartition('city=(string)Rome')]
  TRomeBasedCustomer = class(TPartitionedCustomer)
  end;

  [MVCNameCase(ncLowerCase)]
  [MVCTable('customers')]
  [MVCPartition('city=(string)New York')]
  TNewYorkBasedCustomer = class(TPartitionedCustomer)
  end;

  [MVCNameCase(ncLowerCase)]
  [MVCTable('customers')]
  [MVCPartition('city=(string)New York;rating=(integer)5')]
  TNewYorkBasedGoodCustomer = class(TPartitionedCustomer)
  end;


  [MVCTable('customers_with_code')]
  TCustomerWithCode = class(TMVCActiveRecord)
  private
    [MVCTableField('code', [foPrimaryKey])]
    fCode: string;
    [MVCTableField('description')]
    fCompanyName: NullableString;
    [MVCTableField('city')]
    fCity: string;
    [MVCTableField('rating')]
    fRating: NullableInt32;
    [MVCTableField('note')]
    fNote: string;
  public
    property Code: string read fCode write fCode;
    property CompanyName: NullableString read fCompanyName write fCompanyName;
    property City: string read fCity write fCity;
    property Rating: NullableInt32 read fRating write fRating;
    property Note: string read fNote write fNote;
  end;


  [MVCTable('customers with spaces')]
  TCustomerWithSpaces = class(TMVCActiveRecord)
  private
    [MVCTableField('id with spaces', [foPrimaryKey, foAutoGenerated])]
    fID: Integer;
    [MVCTableField('code with spaces')]
    fCode: NullableString;
    [MVCTableField('description with spaces')]
    fCompanyName: NullableString;
    [MVCTableField('city with spaces')]
    fCity: string;
    [MVCTableField('rating with spaces')]
    fRating: NullableInt32;
    [MVCTableField('note with spaces')]
    fNote: string;
    [MVCTableField('creation_time with spaces')]
    fCreationTime: NullableTTime;
    [MVCTableField('creation_date with spaces')]
    fCreationDate: NullableTDate;
  public
    property ID: Integer read fID write fID;
    property Code: NullableString read fCode write fCode;
    property CompanyName: NullableString read fCompanyName write fCompanyName;
    property City: string read fCity write fCity;
    property Rating: NullableInt32 read fRating write fRating;
    property CreationTime: NullableTTime read fCreationTime write fCreationTime;
    property CreationDate: NullableTDate read fCreationDate write fCreationDate;
    property Note: string read fNote write fNote;
  end;


  [MVCTable('customers')]
  TCustomerWithNullablePK = class(TMVCActiveRecord)
  private
    [MVCTableField('id', [foPrimaryKey, foAutoGenerated])]
    fID: NullableInt64;
    [MVCTableField('code')]
    fCode: NullableString;
    [MVCTableField('description')]
    fCompanyName: NullableString;
    [MVCTableField('city')]
    fCity: string;
    [MVCTableField('rating')]
    fRating: NullableInt32;
    [MVCTableField('note')]
    fNote: string;
  public
    property ID: NullableInt64 read fID write fID;
    property Code: NullableString read fCode write fCode;
    property CompanyName: NullableString read fCompanyName write fCompanyName;
    property City: string read fCity write fCity;
    property Rating: NullableInt32 read fRating write fRating;
    property Note: string read fNote write fNote;
  end;

  [MVCTable('customers')]
  TCustomerWithLF = class(TCustomer)
  private
    fHistory: TList<string>;
  public
    constructor Create; override;
    destructor Destroy; override;
    function GetHistory: string;
    procedure ClearHistory;
  protected
    procedure OnValidation(const Action: TMVCEntityAction); override;
    procedure OnAfterLoad; override;
    procedure OnBeforeLoad; override;
    procedure OnBeforeInsert; override;
    procedure OnAfterInsert; override;
    procedure OnBeforeUpdate; override;
    procedure OnAfterUpdate; override;
    procedure OnBeforeDelete; override;
    procedure OnAfterDelete; override;
    procedure OnBeforeInsertOrUpdate; override;
    procedure OnBeforeExecuteSQL(var SQL: string); override;
    procedure OnAfterInsertOrUpdate; override;
    procedure MapObjectToParams(const Params: TFDParams; var Handled: Boolean); override;
    procedure MapDatasetToObject(const DataSet: TDataSet;
      const Options: TMVCActiveRecordLoadOptions; var Handled: Boolean); override;
  end;

  [MVCNameCase(ncLowerCase)]
  [MVCTable('customers_with_guid')]
  TCustomerWithGUID = class(TMVCActiveRecord)
  private
    [MVCTableField('idguid', [foPrimaryKey])]
    fGUID: NullableTGUID;
    [MVCTableField('otherguid')]
    fOtherGUID: TGUID;
    [MVCTableField('code')]
    fCode: NullableString;
    [MVCTableField('description')]
    fCompanyName: NullableString;
    [MVCTableField('city')]
    fCity: string;
    [MVCTableField('rating')]
    fRating: NullableInt32;
    [MVCTableField('note')]
    fNote: string;
  public
    property GUID: NullableTGUID read fGUID write fGUID;
    property OtherGUID: TGUID read fOtherGUID write fOtherGUID;
    property Code: NullableString read fCode write fCode;
    property CompanyName: NullableString read fCompanyName write fCompanyName;
    property City: string read fCity write fCity;
    property Rating: NullableInt32 read fRating write fRating;
    property Note: string read fNote write fNote;
  end;


  [MVCTable('nullables_test')]
  TNullablesTest = class(TMVCActiveRecord)
  private
    [MVCTableField('f_int2', [foPrimaryKey])]
    ff_int2: NullableInt16;
    [MVCTableField('f_int4')]
    ff_int4: NullableInt32;
    [MVCTableField('f_int8')]
    ff_int8: NullableInt64;
    [MVCTableField('f_date')]
    ff_date: NullableTDate;
    [MVCTableField('f_time')]
    ff_time: NullableTTime;
    [MVCTableField('f_bool')]
    ff_bool: NullableBoolean;
    [MVCTableField('f_datetime')]
    ff_datetime: NullableTDateTime;
    [MVCTableField('f_float4')]
    ff_float4: NullableSingle;
    [MVCTableField('f_float8')]
    ff_float8: NullableDouble;
    [MVCTableField('f_string')]
    ff_string: NullableString;
    [MVCTableField('f_currency')]
    ff_currency: NullableCurrency;
    [MVCTableField('f_blob')]
    ff_blob: TStream;
  public
    destructor Destroy; override;
    // f_int2 int2 NULL,
    property f_int2: NullableInt16 read ff_int2 write ff_int2;
    // f_int4 int4 NULL,
    property f_int4: NullableInt32 read ff_int4 write ff_int4;
    // f_int8 int8 NULL,
    property f_int8: NullableInt64 read ff_int8 write ff_int8;
    // f_string varchar NULL,
    property f_string: NullableString read ff_string write ff_string;
    // f_bool bool NULL,
    property f_bool: NullableBoolean read ff_bool write ff_bool;
    // f_date date NULL,
    property f_date: NullableTDate read ff_date write ff_date;
    // f_time time NULL,
    property f_time: NullableTTime read ff_time write ff_time;
    // f_datetime timestamp NULL,
    property f_datetime: NullableTDateTime read ff_datetime write ff_datetime;
    // f_float4 float4 NULL,
    property f_float4: NullableSingle read ff_float4 write ff_float4;
    // f_float8 float8 NULL,
    property f_float8: NullableDouble read ff_float8 write ff_float8;
    // f_currency numeric(18,4) NULL
    property f_currency: NullableCurrency read ff_currency write ff_currency;
    // f_blob bytea NULL
    property f_blob: TStream read ff_blob write ff_blob;
  end;


  [MVCTable('booltest')]
  TBoolTest = class(TMVCActiveRecord)
  private
    [MVCTableField('id', [foPrimaryKey, foAutoGenerated])]
    fID: NullableInt32;
    [MVCTableField('boolvalue')]
    fBoolValue: Boolean;
  public
    property ID: NullableInt32 read FID write fID;
    property BoolValue: Boolean read FBoolValue write fBoolValue;
  end;


  TMyObject = class
  private
    FPropString: string;
    FPropAnsiString: AnsiString;
    FPropInt64: Int64;
    FPropUInt32: cardinal;
    FPropUInt64: UInt64;
    FPropUInt16: word;
    FPropInt16: smallint;
    FPropBoolean: Boolean;
    FPropDateTime: TDateTime;
    FPropDate: TDate;
    FPropInteger: Integer;
    FPropTimeStamp: TTimeStamp;
    FPropTime: TTime;
    FPropCurrency: Currency;
    fPropJSONObject: TJSONObject;
    procedure SetPropAnsiString(const Value: AnsiString);
    procedure SetPropString(const Value: string);
    procedure SetPropInt64(const Value: Int64);
    procedure SetPropUInt32(const Value: cardinal);
    procedure SetPropUInt64(const Value: UInt64);
    procedure SetPropInt16(const Value: smallint);
    procedure SetPropUInt16(const Value: word);
    procedure SetPropBoolean(const Value: Boolean);
    procedure SetPropDate(const Value: TDate);
    procedure SetPropDateTime(const Value: TDateTime);
    procedure SetPropInteger(const Value: Integer);
    procedure SetPropTimeStamp(const Value: TTimeStamp);
    procedure SetPropTime(const Value: TTime);
    procedure SetPropCurrency(const Value: Currency);
  public
    constructor Create;
    destructor Destroy; override;
    function Equals(Obj: TMyObject): Boolean; reintroduce;
    property PropString: string read FPropString write SetPropString;
    property PropAnsiString: AnsiString read FPropAnsiString write SetPropAnsiString;
    property PropInteger: Integer read FPropInteger write SetPropInteger;
    property PropUInt32: cardinal read FPropUInt32 write SetPropUInt32;
    property PropInt64: Int64 read FPropInt64 write SetPropInt64;
    property PropUInt64: UInt64 read FPropUInt64 write SetPropUInt64;
    property PropUInt16: word read FPropUInt16 write SetPropUInt16;
    property PropInt16: smallint read FPropInt16 write SetPropInt16;
    property PropBoolean: Boolean read FPropBoolean write SetPropBoolean;
    property PropDate: TDate read FPropDate write SetPropDate;
    property PropTime: TTime read FPropTime write SetPropTime;
    property PropDateTime: TDateTime read FPropDateTime write SetPropDateTime;
    property PropTimeStamp: TTimeStamp read FPropTimeStamp write SetPropTimeStamp;
    property PropCurrency: Currency read FPropCurrency write SetPropCurrency;
    property PropJSONObject: TJSONObject read fPropJSONObject;
  end;

  TMyChildObject = class
  private
    FMyChildProperty1: string;
    procedure SetMyChildProperty1(const Value: string);
  public
    constructor Create;
    property MyChildProperty1: string read FMyChildProperty1 write SetMyChildProperty1;
  end;

  TMyObjectWithUTC = class(TObject)
  private
    FMyDateTime: TDateTime;
    procedure SetMyDateTime(const Value: TDateTime);
  public
    function Equals(Obj: TObject): Boolean; override;
    property MyDateTime: TDateTime read FMyDateTime write SetMyDateTime;
  end;

  TMyObjectWithTValue = class
  private
    FValueAsString: TValue;
    FValueAsInteger: TValue;
    FValue1: TValue;
    FValue2: TValue;
    FValue3: TValue;
    FValue4: TValue;
    FValue5: TValue;
    procedure SetValueAsInteger(const Value: TValue);
    procedure SetValueAsString(const Value: TValue);
  public
    function Equals(Obj: TObject): Boolean; reintroduce;
    // [TValueAsType(TypeInfo(String))]
    property ValueAsString: TValue read FValueAsString write SetValueAsString;
    // [TValueAsType(TypeInfo(Integer))]
    property ValueAsInteger: TValue read FValueAsInteger write SetValueAsInteger;
    property Value1: TValue read FValue1 write FValue1;
    property Value2: TValue read FValue2 write FValue2;
    property Value3: TValue read FValue3 write FValue3;
    property Value4: TValue read FValue4 write FValue4;
    property Value5: TValue read FValue5 write FValue5;
  end;

  [MVCListOf(TMyChildObject)]
  TMyChildObjectList = class(TObjectList<TMyChildObject>)
  end;

  TMyComplexObject = class
  private
    fProp1: string;
    fChildObjectList: TMyChildObjectList;
    fChildObject: TMyChildObject;
    fPropStringList: TStringList;
    procedure SetChildObject(const Value: TMyChildObject);
    procedure SetChildObjectList(const Value: TMyChildObjectList);
    procedure SetProp1(const Value: string);
    procedure SetPropStringList(const Value: TStringList);
  public
    constructor Create;
    destructor Destroy; override;
    function Equals(Obj: TObject): Boolean; override;

    property Prop1: string read fProp1 write SetProp1;
    property PropStringList: TStringList read fPropStringList write SetPropStringList;
    property ChildObject: TMyChildObject read fChildObject write SetChildObject;
    property ChildObjectList: TMyChildObjectList read fChildObjectList write SetChildObjectList;
  end;

  TMyStreamObject = class(TObject)
  private
    FPropStream: TStream;
    FProp8Stream: TStream;
    FImageStream: TStream;
    procedure SetPropStream(const Value: TStream);
    procedure SetProp8Stream(const Value: TStream);
    procedure SetImageStream(const Value: TStream);
  public
    function Equals(Obj: TMyStreamObject): Boolean; reintroduce;
    constructor Create;
    destructor Destroy; override;
    [MVCSerializeAsString]
    property PropStream: TStream read FPropStream write SetPropStream;
    [MVCSerializeAsString]
    // utf-8 is default
    property Prop8Stream: TStream read FProp8Stream write SetProp8Stream;
    property ImageStream: TStream read FImageStream write SetImageStream;
  end;

  TMyObjectWithLogic = class
  private
    FLastName: string;
    FFirstName: string;
    FAge: Integer;
    function GetFullName: string;
    procedure SetFirstName(const Value: string);
    procedure SetLastName(const Value: string);
    function GetIsAdult: Boolean;
    procedure SetAge(const Value: Integer);
  public
    constructor Create(aFirstName, aLastName: string; aAge: Integer);
    function Equals(Obj: TObject): Boolean; override;
    property FirstName: string read FFirstName write SetFirstName;
    property LastName: string read FLastName write SetLastName;
    property Age: Integer read FAge write SetAge;
    property IsAdult: Boolean read GetIsAdult;
    property FullName: string read GetFullName;
  end;

  TMyClass = class
  private
    fID: Integer;
    FDescription: string;
    procedure SetId(ID: Integer);
    procedure SetDescription(Description: string);
  public
    function Equals(Obj: TObject): Boolean; override;
    property ID: Integer read fID write SetId;
    property Description: string read FDescription write SetDescription;
    constructor Create(ID: Integer; Description: string); overload;
  end;

  IMyInterface = interface
    ['{B36E786B-5871-4211-88AD-365B453DC408}']
    function GetID: Integer;
    function GetDescription: string;
  end;

  TMyIntfObject = class(TInterfacedObject, IMyInterface)
  private
    fID: Integer;
    FValue: string;
  public
    constructor Create(const ID: Integer; const Value: string);
    function GetDescription: string;
    function GetID: Integer;
  end;

  TResponseWrapper<T: class> = class
  private
    FTotalItems: Integer;
    FItems: TObjectList<T>;
    procedure SetTotalItems(TotalItems: Integer);
    procedure SetItems(aItems: TObjectList<T>);
  public
    property TotalItems: Integer read FTotalItems write SetTotalItems;
    property Items: TObjectList<T> read FItems write SetItems;
    constructor Create(TotalItems: Integer; aItems: TObjectList<T>); overload;
    destructor Destroy; override;
  end;

  TObjectWithCustomType = class
  private
    fPropStringList: TStringList;
    FPropStringArray: TArray<string>;
    FPropStreamAsBASE64: TStringStream;
    FPropStreamAsString: TStringStream;
    procedure SetPropStringList(const Value: TStringList);
    procedure SetPropStringArray(const Value: TArray<string>);
    procedure SetPropStreamAsBASE64(const Value: TStringStream);
    procedure SetPropStreamAsString(const Value: TStringStream);
  public
    constructor Create; virtual;
    destructor Destroy; override;
    function Equals(Obj: TObject): Boolean; override;
    property PropStringList: TStringList read fPropStringList write SetPropStringList;
    property PropStringArray: TArray<string> read FPropStringArray write SetPropStringArray;
    [MVCSerializeAsString]
    property PropStreamAsString: TStringStream read FPropStreamAsString write SetPropStreamAsString;
    property PropStreamAsBASE64: TStringStream read FPropStreamAsBASE64 write SetPropStreamAsBASE64;
  end;

  [MVCNameCase(ncLowerCase)]
  TPartialSerializableType = class
  private
    fProp1: string;
    fProp2: string;
    fProp3: string;
    fProp4: string;
  public
    constructor Create;
    [MVCDoNotSerialize]
    property Prop1: string read fProp1 write fProp1;
    [MVCDoNotDeSerialize]
    property Prop2: string read fProp2 write fProp2;
    [MVCDoNotSerialize]
    [MVCDoNotDeSerialize]
    property Prop3: string read fProp3 write fProp3;
    property Prop4: string read fProp4 write fProp4;
  end;

  TListOfSomething = class
  private
    fListOfString: TList<string>;
    fListOfInteger: TList<Integer>;
    fListOfBoolean: TList<Boolean>;
    fListOfDouble: TList<Double>;
    // fListOfListOfString: TList<TList<string>>;
  public
    property ListOfString: TList<string> read fListOfString;
    property ListOfInteger: TList<Integer> read fListOfInteger;
    property ListOfBoolean: TList<Boolean> read fListOfBoolean;
    property ListOfDouble: TList<Double> read fListOfDouble;
    // property ListOfListOfString: TList < TList < string >> read fListOfListOfString;
    constructor Create;
    destructor Destroy; override;
  end;

function GetMyObject: TMyObject;
function GetMyObjectWithTValue: TMyObjectWithTValue;
function GetMyObjectWithStream: TMyStreamObject;
function GetMyComplexObject: TMyComplexObject;
function GetMyComplexObjectWithNotInitializedChilds: TMyComplexObject;
function GetMyObjectWithCustomType: TObjectWithCustomType;

const
  BASE64_STRING: AnsiString = 'This is serialized as BASE64 String';

implementation

uses
  system.DateUtils, Winapi.Windows;

function GetMyObjectWithCustomType: TObjectWithCustomType;
begin
  Result := TObjectWithCustomType.Create;
  Result.PropStringList.Add('item 1');
  Result.PropStringList.Add('item 2');
  Result.PropStringList.Add('item 3');
  Result.PropStringList.Add('item 4');
  Result.PropStringArray := ['item 1', 'item 2', 'item 3', 'item 4'];
  Result.PropStreamAsString.WriteString('This is a string');
  Result.PropStreamAsBASE64.WriteString('This is a BASE64 string');
end;

function GetMyComplexObjectWithNotInitializedChilds: TMyComplexObject;
begin
  Result := TMyComplexObject.Create;
  Result.Prop1 := 'property1';
end;

function GetMyObjectWithTValue: TMyObjectWithTValue;
begin
  Result := TMyObjectWithTValue.Create;
  Result.ValueAsString := 'Value As String';
  Result.ValueAsInteger := 1234;
  Result.Value1 := 'Hello World';
  Result.Value2 := 1234;
  Result.Value3 := true;
  Result.Value4 := 1234.5678;
  // VALUE5 must be a floting number bacause of equals check
  Result.Value5 := EncodeDateTime(2004, 6, 7, 11, 30, 0, 0);
end;

function GetMyComplexObject: TMyComplexObject;
var
  co: TMyChildObject;
begin
  Result := TMyComplexObject.Create;
  Result.Prop1 := 'property1';
  Result.PropStringList := TStringList.Create;
  Result.PropStringList.Add('item 1');
  Result.PropStringList.Add('item 2');
  Result.PropStringList.Add('item 3');
  Result.PropStringList.Add('item 4');
  Result.ChildObject.MyChildProperty1 := 'MySingleChildProperty1';
  co := TMyChildObject.Create;
  co.MyChildProperty1 := 'MyChildProperty1';
  Result.ChildObjectList.Add(co);
  co := TMyChildObject.Create;
  co.MyChildProperty1 := 'MyChildProperty2';
  Result.ChildObjectList.Add(co);
  co := TMyChildObject.Create;
  co.MyChildProperty1 := 'MyChildProperty3';
  Result.ChildObjectList.Add(co);
  co := TMyChildObject.Create;
  co.MyChildProperty1 := 'MyChildProperty4';
  Result.ChildObjectList.Add(co);
end;

function GetMyObjectWithStream: TMyStreamObject;
var
  Buff: TBytes;
begin
  Result := TMyStreamObject.Create;
  TStringStream(Result.PropStream).WriteString('This is an UTF16 String');
  TStringStream(Result.Prop8Stream).WriteString('This is an UTF8 String');
  SetLength(Buff, Length(BASE64_STRING));
  MoveMemory(Buff, PAnsiChar(AnsiString(BASE64_STRING)), Length(BASE64_STRING));
  TMemoryStream(Result.ImageStream).Write(Buff, Length(Buff));
end;

function GetMyObject: TMyObject;
begin
  Result := TMyObject.Create;
  Result.PropString := 'Some text <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>';
  Result.PropAnsiString := 'This is an ANSI text';
  Result.PropInteger := -1234;
  Result.PropUInt32 := 1234;
  Result.PropInt64 := -1234567890;
  Result.PropUInt64 := 1234567890;
  Result.PropUInt16 := 12345;
  Result.PropInt16 := -12345;
  Result.PropCurrency := 1234.5678;
  Result.PropBoolean := true;
  Result.PropDate := EncodeDate(2010, 10, 20);
  Result.PropTime := EncodeTime(10, 20, 30, 40);
  Result.PropDateTime := Result.PropDate + Result.PropTime;
  Result.PropTimeStamp := DateTimeToTimeStamp(Result.PropDateTime + 1);
  Result.PropJSONObject.S['stringprop1'] := 'This is a string prop';
  Result.PropJSONObject.I['intprop1'] := 1234;
  Result.PropJSONObject.A['arrprop'].Add(1234);
  Result.PropJSONObject.A['arrprop'].Add('Hello World');
  Result.PropJSONObject.O['objprop'].S['innerprop1'] := 'value1';
  Result.PropJSONObject.O['objprop'].S['innerprop2'] := 'value2';
  Result.PropJSONObject.O['objprop'].S['innerprop3'] := 'value3';
end;

constructor TMyObject.Create;
begin
  inherited;
  fPropJSONObject := TJSONObject.Create;
end;

destructor TMyObject.Destroy;
begin
  fPropJSONObject.Free;
  inherited;
end;

function TMyObject.Equals(Obj: TMyObject): Boolean;
var
  lMyStr: string;
  lOtherStr: string;
begin
  Result := true;
  Result := Result and (Self.PropString = Obj.PropString);
  Result := Result and (Self.PropAnsiString = Obj.PropAnsiString);
  Result := Result and (Self.PropInteger = Obj.PropInteger);
  Result := Result and (Self.PropUInt32 = Obj.PropUInt32);
  Result := Result and (Self.PropInt64 = Obj.PropInt64);
  Result := Result and (Self.PropUInt64 = Obj.PropUInt64);
  Result := Result and (Self.PropUInt16 = Obj.PropUInt16);
  Result := Result and (Self.PropInt16 = Obj.PropInt16);
  Result := Result and (Self.PropBoolean = Obj.PropBoolean);
  Result := Result and (Self.PropDate = Obj.PropDate);
  Result := Result and (Self.PropCurrency = Obj.PropCurrency);
  Result := Result and (SecondsBetween(Self.PropTime, Obj.PropTime) = 0);
  Result := Result and (SecondsBetween(Self.PropDateTime, Obj.PropDateTime) = 0);
  Result := Result and (Self.PropTimeStamp.Date = Obj.PropTimeStamp.Date) and
    (Self.PropTimeStamp.Time = Obj.PropTimeStamp.Time);
  lMyStr := Self.fPropJSONObject.ToJSON();
  lOtherStr := Obj.PropJSONObject.ToJSON();
  Result := Result and (Self.fPropJSONObject.ToJSON() = Obj.PropJSONObject.ToJSON());
end;

procedure TMyObject.SetPropAnsiString(const Value: AnsiString);
begin
  FPropAnsiString := Value;
end;

procedure TMyObject.SetPropBoolean(const Value: Boolean);
begin
  FPropBoolean := Value;
end;

procedure TMyObject.SetPropCurrency(const Value: Currency);
begin
  FPropCurrency := Value;
end;

procedure TMyObject.SetPropDate(const Value: TDate);
begin
  FPropDate := Value;
end;

procedure TMyObject.SetPropDateTime(const Value: TDateTime);
begin
  FPropDateTime := Value;
end;

procedure TMyObject.SetPropInt16(const Value: smallint);
begin
  FPropInt16 := Value;
end;

procedure TMyObject.SetPropInt64(const Value: Int64);
begin
  FPropInt64 := Value;
end;

procedure TMyObject.SetPropInteger(const Value: Integer);
begin
  FPropInteger := Value;
end;

procedure TMyObject.SetPropString(const Value: string);
begin
  FPropString := Value;
end;

procedure TMyObject.SetPropTime(const Value: TTime);
begin
  FPropTime := Value;
end;

procedure TMyObject.SetPropTimeStamp(const Value: TTimeStamp);
begin
  FPropTimeStamp := Value;
end;

procedure TMyObject.SetPropUInt16(const Value: word);
begin
  FPropUInt16 := Value;
end;

procedure TMyObject.SetPropUInt32(const Value: cardinal);
begin
  FPropUInt32 := Value;
end;

procedure TMyObject.SetPropUInt64(const Value: UInt64);
begin
  FPropUInt64 := Value;
end;

{ TMyComplexObject }

constructor TMyComplexObject.Create;
begin
  inherited;
  fChildObjectList := TMyChildObjectList.Create(true);
  fChildObject := TMyChildObject.Create;
end;

destructor TMyComplexObject.Destroy;
begin
  fChildObjectList.Free;
  fChildObject.Free;
  fPropStringList.Free;
  inherited;
end;

function TMyComplexObject.Equals(Obj: TObject): Boolean;
var
  co: TMyComplexObject;
begin
  co := Obj as TMyComplexObject;

  Result := co.Prop1 = Self.Prop1;
  if Assigned(co.ChildObject) and Assigned(Self.ChildObject) then
    Result := Result and (co.ChildObject.MyChildProperty1 = Self.ChildObject.MyChildProperty1)
  else
    Result := Result and (not Assigned(co.ChildObject)) and (not Assigned(Self.ChildObject));
  Result := Result and (co.ChildObjectList.Count = Self.ChildObjectList.Count);
  if co.ChildObjectList.Count = 0 then
    Exit;

  Result := Result and (co.ChildObjectList[0].MyChildProperty1 = Self.ChildObjectList[0]
    .MyChildProperty1);
  Result := Result and (co.ChildObjectList[1].MyChildProperty1 = Self.ChildObjectList[1]
    .MyChildProperty1);
  Result := Result and (co.ChildObjectList[2].MyChildProperty1 = Self.ChildObjectList[2]
    .MyChildProperty1);
  Result := Result and (co.ChildObjectList[3].MyChildProperty1 = Self.ChildObjectList[3]
    .MyChildProperty1);
end;

procedure TMyComplexObject.SetChildObject(const Value: TMyChildObject);
begin
  fChildObject := Value;
end;

procedure TMyComplexObject.SetChildObjectList(const Value: TMyChildObjectList);
begin
  fChildObjectList := Value;
end;

procedure TMyComplexObject.SetProp1(const Value: string);
begin
  fProp1 := Value;
end;

procedure TMyComplexObject.SetPropStringList(const Value: TStringList);
begin
  fPropStringList := Value;
end;

{ TMyChildObject }

constructor TMyChildObject.Create;
begin
  inherited;
  Self.MyChildProperty1 := 'my default value';
end;

procedure TMyChildObject.SetMyChildProperty1(const Value: string);
begin
  FMyChildProperty1 := Value;
end;

{ TMyStreamObject }

constructor TMyStreamObject.Create;
begin
  inherited Create;
  FPropStream := TStringStream.Create('', TEncoding.Unicode);
  FProp8Stream := TStringStream.Create('', TEncoding.UTF8);
  FImageStream := TMemoryStream.Create;
end;

destructor TMyStreamObject.Destroy;
begin
  FPropStream.Free;
  FProp8Stream.Free;
  FImageStream.Free;
  inherited;
end;

function TMyStreamObject.Equals(Obj: TMyStreamObject): Boolean;
var
  lPMemSelf: PByte;
  lPMemOther: PByte;
  I: Integer;
begin
  Result := true;
  Result := Result and (TStringStream(Self.PropStream).DataString = TStringStream(Obj.PropStream)
    .DataString);
  Result := Result and (TStringStream(Self.Prop8Stream).DataString = TStringStream(Obj.Prop8Stream)
    .DataString);
  Result := Result and (Self.ImageStream.Size = Obj.ImageStream.Size);

  if Result then
  begin
    lPMemSelf := TMemoryStream(Self.ImageStream).Memory;
    lPMemOther := TMemoryStream(Obj.ImageStream).Memory;
    for I := 0 to Self.ImageStream.Size - 1 do
    begin
      Result := Result and (lPMemSelf^ = lPMemOther^);
      Inc(lPMemSelf);
      Inc(lPMemOther);
    end;
  end;
end;

procedure TMyStreamObject.SetImageStream(const Value: TStream);
begin
  FImageStream := Value;
end;

procedure TMyStreamObject.SetProp8Stream(const Value: TStream);
begin
  if Assigned(FProp8Stream) then
    FreeAndNil(FProp8Stream);
  FProp8Stream := Value;
end;

procedure TMyStreamObject.SetPropStream(const Value: TStream);
begin
  if Assigned(FPropStream) then
    FPropStream.Free;
  FPropStream := Value;
end;

{ TCliente }

{ TMyObjectWithLogic }

constructor TMyObjectWithLogic.Create(aFirstName, aLastName: string; aAge: Integer);
begin
  inherited Create;
  FFirstName := aFirstName;
  FLastName := aLastName;
  FAge := aAge;
end;

function TMyObjectWithLogic.Equals(Obj: TObject): Boolean;
var
  lOther: TMyObjectWithLogic;
begin
  Result := (Obj is TMyObjectWithLogic);
  if Result then
  begin
    lOther := TMyObjectWithLogic(Obj);
    Result := Result and (Self.FirstName = lOther.FirstName);
    Result := Result and (Self.LastName = lOther.LastName);
    Result := Result and (Self.Age = lOther.Age);
  end;
end;

function TMyObjectWithLogic.GetFullName: string;
begin
  Result := FirstName + ' ' + LastName; // logic
end;

function TMyObjectWithLogic.GetIsAdult: Boolean;
begin
  Result := Age >= 18; // logic
end;

procedure TMyObjectWithLogic.SetAge(const Value: Integer);
begin
  FAge := Value;
end;

procedure TMyObjectWithLogic.SetFirstName(const Value: string);
begin
  FFirstName := Value;
end;

procedure TMyObjectWithLogic.SetLastName(const Value: string);
begin
  FLastName := Value;
end;

{ TResponseGrid<T> }

constructor TResponseWrapper<T>.Create(TotalItems: Integer; aItems: TObjectList<T>);
begin
  inherited Create;
  Self.SetTotalItems(TotalItems);
  Self.SetItems(aItems);
  aItems.OwnsObjects := true;
end;

destructor TResponseWrapper<T>.Destroy;
begin
  FItems.Free;
  inherited;
end;

procedure TResponseWrapper<T>.SetItems(aItems: TObjectList<T>);
begin
  Self.FItems := aItems;
end;

procedure TResponseWrapper<T>.SetTotalItems(TotalItems: Integer);
begin
  Self.FTotalItems := TotalItems;
end;

{ TMyClass }

constructor TMyClass.Create(ID: Integer; Description: string);
begin
  inherited Create;
  Self.SetId(ID);
  Self.SetDescription(Description);
end;

function TMyClass.Equals(Obj: TObject): Boolean;
begin
  Result := Obj is TMyClass;
  if Result then
  begin
    Result := Result and (TMyClass(Obj).ID = ID);
    Result := Result and (TMyClass(Obj).Description = Description);
  end;
end;

procedure TMyClass.SetDescription(Description: string);
begin
  Self.FDescription := Description;
end;

procedure TMyClass.SetId(ID: Integer);
begin
  Self.fID := ID;
end;

{ TMyObjectWithTValue }

function TMyObjectWithTValue.Equals(Obj: TObject): Boolean;
var
  lOther: TMyObjectWithTValue;
begin
  Result := Obj is TMyObjectWithTValue;
  if Result then
  begin
    lOther := TMyObjectWithTValue(Obj);
    Result := Result and (Self.ValueAsString.AsString = lOther.ValueAsString.AsString);
    Result := Result and (Self.ValueAsInteger.AsInteger = lOther.ValueAsInteger.AsInteger);
    Result := Result and (Self.Value1.AsVariant = lOther.Value1.AsVariant);
    Result := Result and (Self.Value2.AsVariant = lOther.Value2.AsVariant);
    Result := Result and (Self.Value3.AsVariant = lOther.Value3.AsVariant);
    Result := Result and (Self.Value4.AsVariant = lOther.Value4.AsVariant);
    Result := Result and (Trunc(Self.Value5.AsVariant * 100000)
      = Trunc(lOther.Value5.AsVariant * 100000));
  end;
end;

procedure TMyObjectWithTValue.SetValueAsInteger(const Value: TValue);
begin
  FValueAsInteger := Value;
end;

procedure TMyObjectWithTValue.SetValueAsString(const Value: TValue);
begin
  FValueAsString := Value;
end;

{ TMyIntfObject }

constructor TMyIntfObject.Create(const ID: Integer; const Value: string);
begin
  inherited Create;
  fID := ID;
  FValue := Value;
end;

function TMyIntfObject.GetDescription: string;
begin
  Result := FValue;
end;

function TMyIntfObject.GetID: Integer;
begin
  Result := fID;
end;

{ TObjectWithCustomType }

constructor TObjectWithCustomType.Create;
begin
  inherited;
  fPropStringList := TStringList.Create;
  FPropStreamAsString := TStringStream.Create;
  FPropStreamAsBASE64 := TStringStream.Create;
end;

destructor TObjectWithCustomType.Destroy;
begin
  fPropStringList.Free;
  FPropStreamAsString.Free;
  FPropStreamAsBASE64.Free;
  inherited;
end;

function TObjectWithCustomType.Equals(Obj: TObject): Boolean;
var
  lOther: TObjectWithCustomType;
begin
  if not(Obj is TObjectWithCustomType) then
    Exit(false);
  lOther := TObjectWithCustomType(Obj);
  Result := true;
  Result := Result and (lOther.PropStringList.Text = Self.PropStringList.Text);
  Result := Result and (string.Join(',', lOther.PropStringArray) = string.Join(',',
    Self.PropStringArray));
  Result := Result and (lOther.PropStreamAsString.DataString = PropStreamAsString.DataString);
  Result := Result and (lOther.PropStreamAsBASE64.DataString = PropStreamAsBASE64.DataString);
end;

procedure TObjectWithCustomType.SetPropStreamAsBASE64(const Value: TStringStream);
begin
  FPropStreamAsBASE64 := Value;
end;

procedure TObjectWithCustomType.SetPropStreamAsString(const Value: TStringStream);
begin
  FPropStreamAsString := Value;
end;

procedure TObjectWithCustomType.SetPropStringArray(const Value: TArray<string>);
begin
  FPropStringArray := Value;
end;

procedure TObjectWithCustomType.SetPropStringList(const Value: TStringList);
begin
  fPropStringList := Value;
end;

{ TCustomerWithLF }

procedure TCustomerWithLF.ClearHistory;
begin
  fHistory.Clear;
end;

constructor TCustomerWithLF.Create;
begin
  inherited;
  fHistory := TList<string>.Create;
end;

destructor TCustomerWithLF.Destroy;
begin
  fHistory.Free;
  inherited;
end;

function TCustomerWithLF.GetHistory: string;
begin
  Result := string.Join('|', fHistory.ToArray);
end;

procedure TCustomerWithLF.MapDatasetToObject(const DataSet: TDataSet;
  const Options: TMVCActiveRecordLoadOptions; var Handled: Boolean);
begin
  inherited;
  fHistory.Add('MapDatasetToObject');
end;

procedure TCustomerWithLF.MapObjectToParams(const Params: TFDParams; var Handled: Boolean);
begin
  inherited;
  fHistory.Add('MapObjectToParams');
end;

procedure TCustomerWithLF.OnAfterDelete;
begin
  inherited;
  fHistory.Add('OnAfterDelete');
end;

procedure TCustomerWithLF.OnAfterInsert;
begin
  inherited;
  fHistory.Add('OnAfterInsert');
end;

procedure TCustomerWithLF.OnAfterInsertOrUpdate;
begin
  inherited;
  fHistory.Add('OnAfterInsertOrUpdate');
end;

procedure TCustomerWithLF.OnAfterLoad;
begin
  inherited;
  fHistory.Add('OnAfterLoad');
end;

procedure TCustomerWithLF.OnAfterUpdate;
begin
  inherited;
  fHistory.Add('OnAfterUpdate');
end;

procedure TCustomerWithLF.OnBeforeDelete;
begin
  inherited;
  fHistory.Add('OnBeforeDelete');
end;

procedure TCustomerWithLF.OnBeforeExecuteSQL(var SQL: string);
begin
  inherited;
  fHistory.Add('OnBeforeExecuteSQL');
end;

procedure TCustomerWithLF.OnBeforeInsert;
begin
  inherited;
  fHistory.Add('OnBeforeInsert');
end;

procedure TCustomerWithLF.OnBeforeInsertOrUpdate;
begin
  inherited;
  fHistory.Add('OnBeforeInsertOrUpdate');
end;

procedure TCustomerWithLF.OnBeforeLoad;
begin
  inherited;
  fHistory.Add('OnBeforeLoad');
end;

procedure TCustomerWithLF.OnBeforeUpdate;
begin
  inherited;
  fHistory.Add('OnBeforeUpdate');
end;

procedure TCustomerWithLF.OnValidation(const Action: TMVCEntityAction);
begin
  inherited;
  fHistory.Add('OnValidation');
end;

{ TNullablesTest }

destructor TNullablesTest.Destroy;
begin
  ff_blob.Free;
  inherited;
end;

{ TPartialSerializableType }

constructor TPartialSerializableType.Create;
begin
  inherited;
  fProp1 := 'prop1';
  fProp2 := 'prop2';
  fProp3 := 'prop3';
  fProp4 := 'prop4';
end;

{ TListOfSomething }

constructor TListOfSomething.Create;
begin
  inherited;
  fListOfString := TList<string>.Create;
  fListOfInteger := TList<Integer>.Create;
  fListOfBoolean := TList<Boolean>.Create;
  fListOfDouble := TList<Double>.Create;
  // fListOfListOfString := TList < TList < string >>.Create;
  fListOfString.Add('String1');
  fListOfString.Add('String2');
  fListOfInteger.Add(1001);
  fListOfInteger.Add(2002);
  fListOfBoolean.Add(true);
  fListOfBoolean.Add(false);

  fListOfDouble.Add(1234.5678);
  fListOfDouble.Add(2345.6789);

  // fListOfListOfString.Add(TList<string>.Create);
  // fListOfListOfString.Last.Add('String1.1');
  // fListOfListOfString.Last.Add('String1.2');
  //
  // fListOfListOfString.Add(TList<string>.Create);
  // fListOfListOfString.Last.Add('String2.1');
  // fListOfListOfString.Last.Add('String2.2');
end;

destructor TListOfSomething.Destroy;
begin
  fListOfString.Free;
  fListOfInteger.Free;
  fListOfBoolean.Free;
  fListOfDouble.Free;
  // fListOfListOfString.Free;
  inherited;
end;

{ TMyObjectWithUTC }

function TMyObjectWithUTC.Equals(Obj: TObject): Boolean;
begin
  Result := DateTimeToMilliseconds((Obj as TMyObjectWithUTC).MyDateTime)
    = DateTimeToMilliseconds(Self.MyDateTime);
end;

procedure TMyObjectWithUTC.SetMyDateTime(const Value: TDateTime);
begin
  FMyDateTime := Value;
end;

{ TCustomer }

procedure TCustomer.Assign(Customer: TCustomer);
begin
  Self.fID := Customer.fID;
  Self.fCode := Customer.fCode;
  Self.fCompanyName := Customer.fCompanyName;
  Self.fCity := Customer.fCity;
  Self.fRating := Customer.fRating;
  Self.fNote := Customer.fNote;
  Self.fCreationTime := Customer.fCreationTime;
  Self.fCreationDate := Customer.fCreationDate;
end;

function TCustomer.Clone: TCustomer;
begin
  Result := TCustomer.Create;
  Result.Assign(Self);
end;

function TCustomer.ToString: String;
begin
  Result := inherited + Format(' [ID:%5d][Company: %s]', [ID.ValueOrDefault, CompanyName.ValueOrDefault]);
end;


initialization

ActiveRecordMappingRegistry.AddEntity('customers', TCustomer);

end.