io Programmo 40/IOPROG_40.ISO/SOFT/NETFrameworkSDK.exe/comsdk.cab/samples.exe/Remoting/ObjectZone/MyObjectLibrary.cs

Text File | 2000-06-23 | 7.2 KB | 302 lines

using System;
using System.Runtime.Remoting;

namespace MyObjectLibrary
{
    // This clas is a Client Activated Object
    public class Baz : MarshalByRefObject
    {
        public String _name;
        public int _totalNumber = 0;

        public Baz(String name)
        {
            Console.WriteLine("Baz constructor with args - name: " + name);
            _name = name;
        }

        public bool DoWorkWithNumber(int number)
        {
            lock(this)
            {
                Console.WriteLine("Change: " + number);
                _totalNumber += number;
                Console.WriteLine("Total: " + _totalNumber);

            }

            return true;
        }

        public int RetrieveTotalNumber()
        {
            return _totalNumber;
        }

        public String RetrieveName()
        {
            return _name;
        }

        protected override void Finalize()
        {
            Console.WriteLine("Baz Finalize called");
        }
    }

    // General class to demonstrate rich argument types
    public class Foo : MarshalByRefObject
    {
        public Foo()
        {
        }

        // fields
        public int intField;
        public double doubleField;
        public String stringField;
        public Object objectField;

        // methods
        public void VoidVoid()
        {
        }

        public void VoidInt4(int i)
        {
        }

        public void VoidString(String s)
        {
        }

        public void VoidByteArray(byte[] b)
        {
        }

        public String StringVoid()
        {
            return "String";
        }

        public String StringString(String s)
        {
            return s;
        }

        public byte[] ByteArrayByteArray(byte[] b)
        {
            return b;
        }

        // properties
        private int _intProperty = 0;
        private double _doubleProperty = 0.0;
        private String _stringProperty = "Default";


        public int IntProperty
        {
            get
            {
                return _intProperty;
            }
            set
            {
                _intProperty = value;
            }
        }

        public double DoubleProperty
        {
            get
            {
                return _doubleProperty;
            }
            set
            {
                _doubleProperty = value;
            }
        }

        public String StringProperty
        {
            get
            {
                return _stringProperty;
            }
            set
            {
                _stringProperty = value;
            }
        }

        // error cases
        public void ThrowsException()
        {
            throw new RemotePerfException("Exception from server");
        }

        public void ThrowsException(int n)
        {
            throw new RemotePerfException("Exception from server");
        }

        public void ThrowsException(String s)
        {
            throw new RemotePerfException("Exception from server");
        }

        public void ThrowsException(Object o)
        {
            throw new RemotePerfException("Exception from server");
        }

        public int ThrowsExceptionInt()
        {
            throw new RemotePerfException("Exception from server");
        }

        public int ThrowsExceptionInt(int n)
        {
            throw new RemotePerfException("Exception from server");
        }

        public int ThrowsExceptionInt(String s)
        {
            throw new RemotePerfException("Exception from server");
        }

        public int ThrowsExceptionInt(Object o)
        {
            throw new RemotePerfException("Exception from server");
        }

        public String ThrowsExceptionString()
        {
            throw new RemotePerfException("Exception from server");
        }

        public String ThrowsExceptionString(int n)
        {
            throw new RemotePerfException("Exception from server");
        }

        public String ThrowsExceptionString(String s)
        {
            throw new RemotePerfException("Exception from server");
        }

        public Object ThrowsExceptionString(Object o)
        {
            throw new RemotePerfException("Exception from server");
        }

        public Object ThrowsExceptionObject()
        {
            throw new RemotePerfException("Exception from server");
        }

        public Object ThrowsExceptionObject(int n)
        {
            throw new RemotePerfException("Exception from server");
        }

        public Object ThrowsExceptionObject(String s)
        {
            throw new RemotePerfException("Exception from server");
        }

        public Object ThrowsExceptionObject(Object o)
        {
            throw new RemotePerfException("Exception from server");
        }
    }


    //
    // Context Classes that show how to build a Context Attribute,
    // Property and Message Sink
    //

    [AttributeUsage(AttributeTargets.Class)]
    public class IsolationAttribute :
                ContextAttribute,
                IContributeServerContextSink,
                IContributeClientContextSink
    {
        private static String PROPERTY_NAME = "ContextIsolationAttribute";

        public IsolationAttribute()
        : base(PROPERTY_NAME)
        {
        }

        // Override ContextAttribute's implementation of IContextAttribute.IsContextOK
        public override bool IsContextOK(Context ctx, IConstructionCallMessage msg)
        {
            return base.IsContextOK(ctx, msg);
        }

        // Override ContextAttribute's impl. of IContextAttribute::GetPropForNewCtx
        public IContextProperty GetPropertyForNewContext(Object cookie)
        {
            return this;
        }


        public IMessageSink GetServerContextSink(IMessageSink nextSink)
        {
            return new IsolationSink(this, nextSink);
        }

        public IMessageSink GetClientContextSink(IMessageSink nextSink)
        {
            return new IsolationSink(this, nextSink);
        }
    }

    public class IsolationSink : IMessageSink
    {
        private IMessageSink _nextSink;
        private IsolationAttribute _prop;

        public IsolationSink(IsolationAttribute prop, IMessageSink nextSink)
        {
            _prop = prop;
            _nextSink = nextSink;
        }

        public IMessage SyncProcessMessage(IMessage reqMsg)
        {
            return _nextSink.SyncProcessMessage(reqMsg);
        }

        public IMessageCtrl AsyncProcessMessage(IMessage reqMsg, IMessageSink replySink)
        {
            return _nextSink.AsyncProcessMessage(reqMsg, replySink);
        }

        public IMessageSink NextSink
        {
            get
            {
                return _nextSink;
            }
        }

    }

    public class RemotePerfException : Exception
    {
        public RemotePerfException(String s) : base(s){}
    }


    [IsolationAttribute()]
    class ContextBoundClassWithIsolationAttribute : ContextBoundObject
    {

    }
}