/// <summary>
/// Initializes a new instance of the <see cref="Command{T}" /> class.
/// </summary>
/// <param name="execute">The execution method.</param>
/// <param name="canExecute">The function to test whether the <paramref name="execute" /> method may be invoked.</param>
/// <param name="options">The options.</param>
/// <exception cref="ArgumentNullException"><paramref name="execute" /> is <c>null</c>.</exception>
public Command([NotNull] Action <T, CancellationToken> execute, Func <T, bool> canExecute = null, CommandOptions options = null)
: base(false, canExecute, options ?? CommandOptions.Default)
{
if (execute == null)
{
throw new ArgumentNullException(nameof(execute));
}
this.execute = (arg, _, cancellationToken) => execute(arg, cancellationToken);
}
/// <summary>
/// Initializes a new instance of the <see cref="Command{T}" /> class.
/// </summary>
/// <param name="execute">The execution method.</param>
/// <param name="canExecute">The function to test whether the <paramref name="execute" /> method may be invoked.</param>
/// <param name="options">The options.</param>
/// <exception cref="ArgumentNullException"><paramref name="execute" /> is <c>null</c>.</exception>
public Command(
[NotNull] Action <T, CommandExecutionController, CancellationToken> execute,
Func <T, bool> canExecute = null,
CommandOptions options = null) : base(false, canExecute, options ?? CommandOptions.Default)
=> this.execute = execute ?? throw new ArgumentNullException(nameof(execute));
internal ParameterizedCommand(bool isThreadSafe, Func <T, bool> canExecute, [NotNull] CommandOptions options) : base(isThreadSafe, options)
=> this.canExecute = canExecute;
internal CommandBase(bool isThreadSafe, [NotNull] CommandOptions options) : base(isThreadSafe) => Options = options;
/// <summary>
/// Initializes a new instance of the <see cref="AsyncCommand" /> class.
/// </summary>
/// <param name="execute">The execution method.</param>
/// <param name="canExecute">The function to test whether the <paramref name="execute" /> method may be invoked.</param>
/// <param name="options">The options.</param>
/// <exception cref="ArgumentNullException"><paramref name="execute" /> is <c>null</c>.</exception>
public AsyncCommand(
[NotNull] Func <CommandExecutionController, CancellationToken, Task> execute,
Func <bool> canExecute = null,
CommandOptions options = null) : base(true, canExecute, options ?? CommandOptions.DefaultAsync)
=> this.execute = execute ?? throw new ArgumentNullException(nameof(execute));
/// <summary>
/// Initializes a new instance of the <see cref="AsyncCommand" /> class.
/// </summary>
/// <param name="execute">The execution method.</param>
/// <param name="canExecute">The function to test whether the <paramref name="execute" /> method may be invoked.</param>
/// <param name="options">The options.</param>
/// <exception cref="ArgumentNullException"><paramref name="execute" /> is <c>null</c>.</exception>
public AsyncCommand([NotNull] Func <CancellationToken, Task> execute, Func <bool> canExecute = null, CommandOptions options = null)
: base(true, canExecute, options ?? CommandOptions.DefaultAsync)
{
if (execute == null)
{
throw new ArgumentNullException(nameof(execute));
}
this.execute = (_, cancellationToken) => execute(cancellationToken);
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncCommand{T}" /> class.
/// </summary>
/// <param name="execute">The execution method.</param>
/// <param name="canExecute">The function to test whether the <paramref name="execute" /> method may be invoked.</param>
/// <param name="options">The options.</param>
/// <exception cref="ArgumentNullException"><paramref name="execute" /> is <c>null</c>.</exception>
public AsyncCommand([NotNull] Func <T, Task> execute, Func <T, bool> canExecute = null, CommandOptions options = null)
: base(true, canExecute, options ?? CommandOptions.DefaultAsync)
{
if (execute == null)
{
throw new ArgumentNullException(nameof(execute));
}
this.execute = (arg, _, __) => execute(arg);
}
