MessageQueueKey.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Activities / LocalService / MessageQueueKey.cs / 1305376 / MessageQueueKey.cs

                            #pragma warning disable 1634, 1691 
//------------------------------------------------------------
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
 
using System;
using System.Text; 
using System.Workflow.ComponentModel; 
using System.Collections;
using System.Collections.Generic; 
using System.Workflow.Runtime;

namespace System.Workflow.Activities
{ 
    [Serializable]
    public sealed class EventQueueName : IComparable 
    { 
        Type    interfaceType;
        string  operation; 
        CorrelationProperty[] correlationValues;
        string activityId;

        [NonSerialized] 
        string assemblyQualifiedName;
 
        [NonSerialized] 
        String stringifiedKey;
 
        private string AssemblyQualifiedName
        {
            get
            { 
                if (assemblyQualifiedName == null)
                { 
                    assemblyQualifiedName = this.interfaceType.AssemblyQualifiedName; 
                }
                return assemblyQualifiedName; 
            }
        }

 
        public EventQueueName(Type interfaceType, string operation)
        { 
            if (interfaceType == null) 
                throw new ArgumentNullException("interfaceType");
            if (operation == null) 
                throw new ArgumentNullException("operation");

            this.interfaceType = interfaceType;
            this.operation = operation; 
        }
 
        public EventQueueName(Type interfaceType, string operation, ICollection propertyValues) 
                               : this(interfaceType, operation)
        { 
            if (propertyValues != null)
            {
                this.correlationValues = new CorrelationProperty[propertyValues.Count];
                propertyValues.CopyTo(this.correlationValues,0); 
            }
        } 
 
        internal EventQueueName(Type interfaceType, string operation, string activityId)
            : this(interfaceType, operation) 
        {
            this.activityId = activityId;
        }
 
        // properties
        public Type InterfaceType 
        { 
            get
            { 
                return this.interfaceType;
            }
        }
 
        public string MethodName
        { 
            get 
            {
                return this.operation; 
            }
        }

        public CorrelationProperty[] GetCorrelationValues() 
        {
            return this.correlationValues; 
        } 

        public int CompareTo(Object toCompare) 
        {
            if (toCompare is EventQueueName)
                return this.CompareTo(toCompare as EventQueueName);
            else 
                return -1;
        } 
 
        // IComparable implementation
        public int CompareTo(EventQueueName eventQueueName) 
        {
            if (eventQueueName == null)
                return -1;
 
            // compare operation
            int compared = StringComparer.Ordinal.Compare(this.MethodName, eventQueueName.MethodName); 
 
            if (compared == 0)
            { 
                // compare type names
#pragma warning disable 56506
                compared = StringComparer.Ordinal.Compare(AssemblyQualifiedName, eventQueueName.AssemblyQualifiedName); ;
#pragma warning restore 56506 

                if (compared == 0) 
                { 
                    if (this.correlationValues != null)
                    { 
                        compared = (eventQueueName.correlationValues != null) ? (this.correlationValues.Length - eventQueueName.correlationValues.Length) : -1;

                        if (compared == 0)
                        { 
                            // compare correlation values
                            for (int i = 0; i < this.correlationValues.Length; i++) 
                            { 
                                if (this.correlationValues[i] == null || eventQueueName.correlationValues[i] == null)
                                { 
                                    compared = -1;
                                    break; // match failed
                                }
 
                                object leftValue = this.correlationValues[i].Value;
                                object rightValue = FindCorrelationValue(this.correlationValues[i].Name, eventQueueName.correlationValues); 
 
#pragma warning suppress 56506
                                if (leftValue == null && rightValue == null) 
                                {
                                    continue;
                                }
 
                                // do the explicit equals check
                                if (leftValue != null) 
                                { 
                                    IComparable comparable = leftValue as IComparable;
                                    if (comparable != null) 
                                    {
                                        compared = comparable.CompareTo(rightValue);
                                        if (compared != 0)
                                        { 
                                            break; // match failed
                                        } 
                                    } 
                                    else if ((!leftValue.Equals(rightValue)))
                                    { 
                                        compared = -1;
                                        break; // match failed
                                    }
                                } 
                                else
                                { 
                                    compared = -1; 
                                    break; // match failed
                                } 
                            }
                        }
                    }
                } 
            }
            return compared; 
        } 

        public override bool Equals(object obj) 
        {
            EventQueueName k = obj as EventQueueName;
            //Without the cast we end up in op_Equality below
            if ((object) k == null) 
                return false;
 
            return 0 == CompareTo(k); 
        }
 
        public static bool operator ==(EventQueueName queueKey1, EventQueueName queueKey2)
        {
            bool equality = false;
 
            if ((object)queueKey1 != null)
            { 
                if ((object)queueKey2 != null) 
                {
                    equality = (0 == queueKey1.CompareTo(queueKey2)); 
                }
            }
            else if ((object)queueKey2 == null)
            { 
                equality = true;
            } 
 
            return equality;
        } 

        public static bool operator !=(EventQueueName queueKey1, EventQueueName queueKey2)
        {
            return !(queueKey1 == queueKey2); 
        }
 
        public static bool operator <(EventQueueName queueKey1, EventQueueName queueKey2) 
        {
 			if (queueKey1 == null) 
				throw new ArgumentNullException("queueKey1");

			if (queueKey2 == null)
				throw new ArgumentNullException("queueKey2"); 

            return (queueKey1.CompareTo(queueKey2) < 0); 
        } 

        public static bool operator >(EventQueueName queueKey1, EventQueueName queueKey2) 
        {
 			if (queueKey1 == null)
				throw new ArgumentNullException("queueKey1");
 
 			if (queueKey2 == null)
 				throw new ArgumentNullException("queueKey2"); 
			 
 			return (queueKey1.CompareTo(queueKey2) > 0);
        } 

        public override int GetHashCode()
        {
            if (String.IsNullOrEmpty(this.activityId)) 
                return (AssemblyQualifiedName.GetHashCode() ^ this.operation.GetHashCode());
 
            return (AssemblyQualifiedName.GetHashCode() ^ this.operation.GetHashCode() ^ this.activityId.GetHashCode()) ; 
        }
 
        public override string ToString()
        {
            if (stringifiedKey == null)
            { 
                StringBuilder stringBuilder = new StringBuilder();
 
                stringBuilder.AppendLine("Message Properties"); 
                stringBuilder.AppendLine("Interface Type:" + this.interfaceType.ToString());
                stringBuilder.AppendLine("Method Name:" + this.operation.ToString()); 
                stringBuilder.AppendLine("CorrelationValues:");

                if (correlationValues != null)
                { 
                    foreach (CorrelationProperty pred in correlationValues)
                    { 
                        if (pred != null && pred.Value != null) 
                           stringBuilder.AppendLine(pred.Value.ToString());
                    } 
                }

                stringifiedKey = stringBuilder.ToString();
            } 

            return stringifiedKey; 
        } 

        object FindCorrelationValue(string name, CorrelationProperty[] correlationValues) 
        {
            object value = null;
            foreach (CorrelationProperty property in correlationValues)
            { 
                if (property != null && property.Name == name)
                { 
                    value = property.Value; 
                    break;
                } 
            }

            return value;
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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