unit SUBaseFilter interface uses System Generics Collections SUBaseObj

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unit SUBaseFilter;
interface
uses
System.Generics.Collections, SUBaseObject, SuBaseProperty;
Type
PBaseClilocFilter = class
private
m_ClilocID : Cardinal;
m_State : Boolean;
public
function Compare(Properties:PBaseProperty):Boolean;
Constructor Create;
class function Generate(SClilocID:Cardinal;SState:Boolean):PBaseClilocFilter;
property ClilocID : Cardinal read m_ClilocID write m_ClilocID;
property State : Boolean read m_State write m_State;
end;
PBasePropertyFilter = class
private
m_ClilocID : Cardinal;
m_Param : Integer;
m_ReqValue : Integer;
m_Comperator : String;
public
function Compare(Properties:PBaseProperty):Boolean;
Constructor Create;
class function Generate(SClilocID:Cardinal;SParam,SValue:Integer;SComperator:String):PBasePropertyFilter;
property ClilocID : Cardinal read m_ClilocID write m_ClilocID;
property Param : Integer read m_Param write m_Param;
property ReqValue : Integer read m_ReqValue write m_ReqValue;
property Comperator : String read m_Comperator write m_Comperator;
end;
PBaseTextFilter = class
private
m_ClilocID : Cardinal;
m_Param : Integer;
m_ReqValue : String;
m_Explizit : Integer;
public
function Compare(Properties:PBaseProperty):Boolean;
Constructor Create;
class function Generate(SClilocID: Cardinal; SParam:Integer;SValue:String;SExplit: Integer): PBaseTextFilter;
property ClilocID : Cardinal read m_ClilocID write m_ClilocID;
property Param : Integer read m_Param write m_Param;
property ReqValue : String read m_ReqValue write m_ReqValue;
property Explizit : Integer read m_Explizit write m_Explizit;
end;
PBaseFilterEngine = class
private
m_ClilocFilter : TList<PBaseClilocFilter>;
m_BasePropertyFilter : TList<PBasePropertyFilter>;
m_BaseTextFilter : TList<PBaseTextFilter>;
public
function Analyse(Obj:PBaseObject):Boolean;
Constructor Create;
property ClilocFilter : TList<PBaseClilocFilter> read m_ClilocFilter write m_ClilocFilter;
property BasePropertyFilter : TList<PBasePropertyFilter> read m_BasePropertyFilter write m_BasePropertyFilter;
property BaseTextFilter : TList<PBaseTextFilter> read m_BaseTextFilter write m_BaseTextFilter;
end;
implementation
uses
SysUtils;
{ PBaseFilterEngine }
function PBaseFilterEngine.Analyse(Obj: PBaseObject): Boolean;
var
ergebnis : Boolean;
i : Integer;
begin
ergebnis := True;
if(ergebnis)then
begin
for i := 0 to (m_ClilocFilter.Count - 1) do
begin
if(ergebnis) then ergebnis := m_ClilocFilter[i].Compare(Obj.Properties);
end;
end;
if(ergebnis)then
begin
for i := 0 to (m_BasePropertyFilter.Count - 1) do
begin
if(ergebnis) then ergebnis := m_BasePropertyFilter[i].Compare(Obj.Properties);
end;
end;
if(ergebnis)then
begin
for i := 0 to (m_BaseTextFilter.Count - 1) do
begin
if(ergebnis) then ergebnis := m_BaseTextFilter[i].Compare(Obj.Properties);
end;
end;
Result := ergebnis;
end;
constructor PBaseFilterEngine.Create;
begin
m_ClilocFilter := TList<PBaseClilocFilter>.Create;
m_BasePropertyFilter := TList<PBasePropertyFilter>.Create;
m_BaseTextFilter := TList<PBaseTextFilter>.Create;
end;
{ PBaseClilocFilter }
function PBaseClilocFilter.Compare(Properties: PBaseProperty): Boolean;
begin
Result := (Properties.Contains(ClilocID) = State);
end;
constructor PBaseClilocFilter.Create;
begin
m_ClilocID := 0;
m_State := False;
end;
class function PBaseClilocFilter.Generate(SClilocID: Cardinal; SState: Boolean): PBaseClilocFilter;
begin
Result := PBaseClilocFilter.Create;
Result.ClilocID := SClilocID;
Result.State := SState;
end;
{ PBasePropertyFilter }
function PBasePropertyFilter.Compare(Properties: PBaseProperty): Boolean;
var
P : TList<String>;
val : Variant;
rval : Integer;
begin
Result := False;
if(Properties.Contains(ClilocID))then
begin
P := Properties.GetParams(ClilocID);
if(Param < P.Count) and ( Param > -1)then
begin
val := P[Param];
try
rval := val;
except
exit;
end;
if(Comperator = '>')then
begin
Result := rval > ReqValue;
end else if(Comperator = '>=')then
begin
Result := rval >= ReqValue;
end else if(Comperator = '=')then
begin
Result := rval = ReqValue;
end else if(Comperator = '<>')then
begin
Result := rval <> ReqValue;
end else if(Comperator = '<=')then
begin
Result := rval <= ReqValue;
end else if(Comperator = '<')then
begin
Result := rval < ReqValue;
end;
end;
end;
end;
constructor PBasePropertyFilter.Create;
begin
m_ClilocID := 0;
m_Param := 0;
m_ReqValue := 0;
m_Comperator := '=';
end;
class function PBasePropertyFilter.Generate(SClilocID: Cardinal; SParam, SValue: Integer; SComperator: String): PBasePropertyFilter;
begin
Result := PBasePropertyFilter.Create();
Result.ClilocID := SClilocID;
Result.Param := SParam;
Result.ReqValue := SValue;
Result.Comperator := SComperator;
end;
{ PBaseTextFilter }
function PBaseTextFilter.Compare(Properties: PBaseProperty): Boolean;
var
P : TList<String>;
val : String;
begin
Result := False;
if(Properties.Contains(ClilocID))then
begin
P := Properties.GetParams(ClilocID);
if(Param < P.Count) and ( Param > -1)then
begin
val := P[Param];
if(Explizit = -2)then
begin
Result := UpperCase(val) = UpperCase(ReqValue);
end else if(Explizit = -1)then
begin
Result := val = ReqValue;
end else if(Explizit = 1)then
begin
Result := Pos(val,ReqValue,0)> 0;
end else if(Explizit = 2)then
begin
Result := Pos(UpperCase(val),UpperCase(ReqValue),0)> 0;
end;
end;
end;
end;
constructor PBaseTextFilter.Create;
begin
m_ClilocID := 0;
m_Param := 0;
m_ReqValue := '';
m_Explizit := 0;
end;
class function PBaseTextFilter.Generate(SClilocID: Cardinal; SParam:Integer;SValue:String;SExplit: Integer): PBaseTextFilter;
begin
Result := PBaseTextFilter.Create();
Result.ClilocID := SClilocID;
Result.Param := SParam;
Result.ReqValue := SValue;
Result.Explizit := SExplit;
end;
end.