Commit for development environment setup

PROMS/csla20cs-2.1.4-070223/csla20cs/OLDcsla20cs/Csla/Validation/RuleMethod.cs

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+using System;
+
+namespace Csla.Validation
+{
+  /// <summary>
+  /// Tracks all information for a rule.
+  /// </summary>
+  internal class RuleMethod : IRuleMethod, IComparable, IComparable<IRuleMethod>
+  {
+    private RuleHandler _handler;
+    private string _ruleName = String.Empty;
+    private RuleArgs _args;
+    private int _priority;
+
+    /// <summary>
+    /// Returns the name of the method implementing the rule
+    /// and the property, field or column name to which the
+    /// rule applies.
+    /// </summary>
+    public override string ToString()
+    {
+      return _ruleName;
+    }
+
+    /// <summary>
+    /// Gets the priority of the rule method.
+    /// </summary>
+    /// <value>The priority value</value>
+    /// <remarks>
+    /// Priorities are processed in descending
+    /// order, so priority 0 is processed
+    /// before priority 1, etc.
+    /// </remarks>
+    public int Priority
+    {
+      get { return _priority; }
+    }
+
+    /// <summary>
+    /// Gets the name of the rule.
+    /// </summary>
+    /// <remarks>
+    /// The rule's name must be unique and is used
+    /// to identify a broken rule in the BrokenRules
+    /// collection.
+    /// </remarks>
+    public string RuleName
+    {
+      get { return _ruleName; }
+    }
+
+    /// <summary>
+    /// Returns the name of the field, property or column
+    /// to which the rule applies.
+    /// </summary>
+    public RuleArgs RuleArgs
+    {
+      get { return _args; }
+    }
+
+    /// <summary>
+    /// Creates and initializes the rule.
+    /// </summary>
+    /// <param name="handler">The address of the method implementing the rule.</param>
+    /// <param name="args">A RuleArgs object.</param>
+    public RuleMethod(RuleHandler handler, RuleArgs args)
+    {
+      _handler = handler;
+      _args = args;
+      _ruleName = string.Format(@"rule://{0}/{1}", _handler.Method.Name, _args.ToString());
+    }
+
+    /// <summary>
+    /// Creates and initializes the rule.
+    /// </summary>
+    /// <param name="handler">The address of the method implementing the rule.</param>
+    /// <param name="args">A RuleArgs object.</param>
+    /// <param name="priority">
+    /// Priority for processing the rule (smaller numbers have higher priority, default=0).
+    /// </param>
+    public RuleMethod(RuleHandler handler, RuleArgs args, int priority)
+      : this(handler, args)
+    {
+      _priority = priority;
+    }
+
+    /// <summary>
+    /// Invokes the rule to validate the data.
+    /// </summary>
+    /// <returns>
+    /// <see langword="true" /> if the data is valid, 
+    /// <see langword="false" /> if the data is invalid.
+    /// </returns>
+    public bool Invoke(object target)
+    {
+      return _handler.Invoke(target, _args);
+    }
+
+    #region IComparable
+
+    int IComparable.CompareTo(object obj)
+    {
+      return Priority.CompareTo(((IRuleMethod)obj).Priority);
+    }
+
+    int IComparable<IRuleMethod>.CompareTo(IRuleMethod other)
+    {
+      return Priority.CompareTo(other.Priority);
+    }
+
+    #endregion
+
+  }
+
+
+  /// <summary>
+  /// Tracks all information for a rule.
+  /// </summary>
+  /// <typeparam name="T">Type of the target object.</typeparam>
+  /// <typeparam name="R">Type of the arguments parameter.</typeparam>
+  internal class RuleMethod<T, R> 
+    : IRuleMethod, IComparable, IComparable<IRuleMethod> 
+    where R : RuleArgs
+  {
+    private RuleHandler<T, R> _handler;
+    private string _ruleName = string.Empty;
+    private R _args;
+    private int _priority;
+
+    /// <summary>
+    /// Returns the name of the method implementing the rule
+    /// and the property, field or column name to which the
+    /// rule applies.
+    /// </summary>
+    public override string ToString()
+    {
+      return _ruleName;
+    }
+
+    /// <summary>
+    /// Gets the priority of the rule method.
+    /// </summary>
+    /// <value>The priority value</value>
+    /// <remarks>
+    /// Priorities are processed in descending
+    /// order, so priority 0 is processed
+    /// before priority 1, etc.
+    /// </remarks>
+    public int Priority
+    {
+      get { return _priority; }
+    }
+
+    /// <summary>
+    /// Gets the name of the rule.
+    /// </summary>
+    /// <remarks>
+    /// The rule's name must be unique and is used
+    /// to identify a broken rule in the BrokenRules
+    /// collection.
+    /// </remarks>
+    public string RuleName
+    {
+      get {return _ruleName;}
+    }
+
+    /// <summary>
+    /// Returns the name of the field, property or column
+    /// to which the rule applies.
+    /// </summary>
+    RuleArgs IRuleMethod.RuleArgs
+    {
+      get {return this.RuleArgs;}
+    }
+
+    /// <summary>
+    /// Returns the name of the field, property or column
+    /// to which the rule applies.
+    /// </summary>
+    public R RuleArgs
+    {
+      get { return _args; }
+    }
+
+    /// <summary>
+    /// Creates and initializes the rule.
+    /// </summary>
+    /// <param name="handler">The address of the method implementing the rule.</param>
+    /// <param name="args">A RuleArgs object.</param>
+    public RuleMethod(RuleHandler<T, R> handler, R args)
+    {
+      _handler = handler;
+      _args = args;
+      _ruleName = string.Format(@"rule://{0}/{1}", _handler.Method.Name, _args.ToString());
+    }
+
+    /// <summary>
+    /// Creates and initializes the rule.
+    /// </summary>
+    /// <param name="handler">The address of the method implementing the rule.</param>
+    /// <param name="args">A RuleArgs object.</param>
+    /// <param name="priority">
+    /// Priority for processing the rule (smaller numbers have higher priority, default=0).
+    /// </param>
+    public RuleMethod(RuleHandler<T, R> handler, R args, int priority)
+      : this(handler, args)
+    {
+      _priority = priority;
+    }
+
+    /// <summary>
+    /// Invokes the rule to validate the data.
+    /// </summary>
+    /// <returns>True if the data is valid, False if the data is invalid.</returns>
+    bool IRuleMethod.Invoke(object target)
+    {
+      return this.Invoke((T)target);
+    }
+
+    /// <summary>
+    /// Invokes the rule to validate the data.
+    /// </summary>
+    /// <returns>
+    /// <see langword="true" /> if the data is valid, 
+    /// <see langword="false" /> if the data is invalid.
+    /// </returns>
+    public bool Invoke(T target)
+    {
+      return _handler.Invoke(target, _args);
+    }
+
+    #region IComparable
+
+    int IComparable.CompareTo(object obj)
+    {
+      return Priority.CompareTo(((IRuleMethod)obj).Priority);
+    }
+
+    int IComparable<IRuleMethod>.CompareTo(IRuleMethod other)
+    {
+      return Priority.CompareTo(other.Priority);
+    }
+
+    #endregion
+
+  }
+}