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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit Task.Status;
interface
{$SCOPEDENUMS ON}
uses
Boolean,
Condition.Projecting,
DateTime.Calendar.Gregorian.Duration,
DateTime.Calendar.Gregorian.Instant,
Progress,
Task.Node,
Text;
type
TTaskState = (Scheduled, WaitingForDependencies, InQueue, Executing, Finished);
TTaskStatus = class(TObject)
private
FOwner: TTaskNode;
FStartTime: TGregorianInstant;
FTimeFromStart: TGregorianDuration;
procedure SetOwner(const Value: TTaskNode);
procedure SetStartTime(const Value: TGregorianInstant);
procedure SetTimeFromStart(const Value: TGregorianDuration);
public
Name: TText;
State: TTaskState;
Progress: TProgress;
HasProgress: TBoolean;
destructor Destroy(); override;
function Copy(): TTaskStatus;
property Owner: TTaskNode read FOwner write SetOwner;
property StartTime: TGregorianInstant read FStartTime write SetStartTime;
property TimeFromStart: TGregorianDuration read FTimeFromStart write SetTimeFromStart;
public
type
TWithState = class(TProjectingCondition<TTaskStatus, TTaskState>)
public
function Matches(const Status: TTaskStatus): TBoolean; override;
end;
TWithOwner = class(TProjectingCondition<TTaskStatus, TObject>)
public
function Matches(const Status: TTaskStatus): TBoolean; override;
end;
end;
function TaskStateToText(State: TTaskState): TText;
implementation
uses
Exception;
function TaskStateToText(State: TTaskState): TText;
begin
case State of
TTaskState.WaitingForDependencies:
Result := 'Waiting for dependencies';
TTaskState.InQueue:
Result := 'In queue';
TTaskState.Executing:
Result := 'Executing';
TTaskState.Finished:
Result := 'Finished';
TTaskState.Scheduled:
Result := 'Scheduled';
else
raise EException.Create('Unknown state');
end;
end;
{ TTaskStatus }
function TTaskStatus.Copy(): TTaskStatus;
begin
Result := TTaskStatus.Create();
Result.Name := Name;
Result.State := State;
Result.StartTime := StartTime;
Result.TimeFromStart := TimeFromStart;
Result.Progress := Progress;
Result.HasProgress := HasProgress;
Result.Owner := Owner;
end;
destructor TTaskStatus.Destroy();
begin
Owner.ReleaseReference();
StartTime.ReleaseReference();
TimeFromStart.ReleaseReference();
inherited Destroy();
end;
procedure TTaskStatus.SetTimeFromStart(const Value: TGregorianDuration);
begin
if Value <> TimeFromStart then
begin
Value.AddReference();
TimeFromStart.ReleaseReference();
FTimeFromStart := Value;
end;
end;
procedure TTaskStatus.SetOwner(const Value: TTaskNode);
begin
if Value <> Owner then
begin
Value.AddReference();
Owner.ReleaseReference();
FOwner := Value;
end;
end;
procedure TTaskStatus.SetStartTime(const Value: TGregorianInstant);
begin
if Value <> StartTime then
begin
Value.AddReference();
StartTime.ReleaseReference();
FStartTime := Value;
end;
end;
{ TTaskStatus.TWithState }
function TTaskStatus.TWithState.Matches(const Status: TTaskStatus): TBoolean;
begin
Result := Status.State = ComparisonValue;
end;
{ TTaskStatus.TWithOwner }
function TTaskStatus.TWithOwner.Matches(const Status: TTaskStatus): TBoolean;
begin
Result := Status.Owner = ComparisonValue;
end;
end.
|