Commit 52e0ab8

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Change Command abstract class to an interface.

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+12

-12

lines changed

+12

-12

lines changed

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -44,7 +44,7 @@`
`44`	`44`	`<ItemGroup>`
`45`	`45`	`<Compile Include="Calculator.cs" />`
`46`	`46`	`<Compile Include="Command\CalculatorCommand.cs" />`
`47`		`- <Compile Include="Command\Command.cs" />`
	`47`	`+ <Compile Include="Command\ICommand.cs" />`
`48`	`48`	`<Compile Include="Program.RealWordCode.cs" />`
`49`	`49`	`<Compile Include="Properties\AssemblyInfo.cs" />`
`50`	`50`	`<Compile Include="User.cs" />`

Lines changed: 3 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@ namespace DoFactory.GangOfFour.Command.RealWorld`
`11`	`11`	`/// <summary>`
`12`	`12`	`/// The 'ConcreteCommand' class`
`13`	`13`	`/// </summary>`
`14`		`- class CalculatorCommand : Command`
	`14`	`+ class CalculatorCommand : ICommand`
`15`	`15`	`{`
`16`	`16`	`private char _operator;`
`17`	`17`	`private int _operand;`
`@@ -39,13 +39,13 @@ public int Operand`
`39`	`39`	`}`
`40`	`40`
`41`	`41`	`// Execute new command`
`42`		`- public overridevoid Execute()`
	`42`	`+ public void Execute()`
`43`	`43`	`{`
`44`	`44`	`_calculator.Operation(_operator, _operand);`
`45`	`45`	`}`
`46`	`46`
`47`	`47`	`// Unexecute last command`
`48`		`- public overridevoid UnExecute()`
	`48`	`+ public void UnExecute()`
`49`	`49`	`{`
`50`	`50`	`_calculator.Operation(Undo(_operator), _operand);`
`51`	`51`	`}`

Lines changed: 4 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -8,11 +8,11 @@ namespace DoFactory.GangOfFour.Command.RealWorld`
`8`	`8`	`{`
`9`	`9`
`10`	`10`	`/// <summary>`
`11`		`- /// The 'Command' abstract class`
	`11`	`+ /// The 'Command' Interface`
`12`	`12`	`/// </summary>`
`13`		`- abstractclassCommand`
	`13`	`+ interfaceICommand`
`14`	`14`	`{`
`15`		`- publicabstractvoid Execute();`
`16`		`- publicabstractvoid UnExecute();`
	`15`	`+ void Execute();`
	`16`	`+ void UnExecute();`
`17`	`17`	`}`
`18`	`18`	`}`

Lines changed: 4 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -13,7 +13,7 @@ class User`
`13`	`13`	`{`
`14`	`14`	`// Initializers`
`15`	`15`	`private Calculator _calculator = new Calculator();`
`16`		`- private List<Command> _commands = new List<Command>();`
	`16`	`+ private List<ICommand> _commands = new List<ICommand>();`
`17`	`17`	`private int _current = 0;`
`18`	`18`
`19`	`19`	`public void Redo(int levels)`
`@@ -24,7 +24,7 @@ public void Redo(int levels)`
`24`	`24`	`{`
`25`	`25`	`if (_current < _commands.Count - 1)`
`26`	`26`	`{`
`27`		`- Command command = _commands[_current++];`
	`27`	`+ ICommand command = _commands[_current++];`
`28`	`28`	`command.Execute();`
`29`	`29`	`}`
`30`	`30`	`}`
`@@ -38,7 +38,7 @@ public void Undo(int levels)`
`38`	`38`	`{`
`39`	`39`	`if (_current > 0)`
`40`	`40`	`{`
`41`		`- Command command = _commands[--_current] as Command;`
	`41`	`+ ICommand command = _commands[--_current] as ICommand;`
`42`	`42`	`command.UnExecute();`
`43`	`43`	`}`
`44`	`44`	`}`
`@@ -47,7 +47,7 @@ public void Undo(int levels)`
`47`	`47`	`public void Compute(char @operator, int operand)`
`48`	`48`	`{`
`49`	`49`	`// Create command operation and execute it`
`50`		`- Command command = new CalculatorCommand(`
	`50`	`+ ICommand command = new CalculatorCommand(`
`51`	`51`	`_calculator, @operator, operand);`
`52`	`52`	`command.Execute();`
`53`	`53`

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