BufferedWebEventProvider.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 / fx / src / xsp / System / Web / Management / BufferedWebEventProvider.cs / 1305376 / BufferedWebEventProvider.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.Management { 
    using System; 
    using System.Web;
    using System.Diagnostics; 
    using System.Web.Util;
    using System.Web.Configuration;
    using System.Configuration.Provider;
    using System.Collections; 
    using System.Collections.Specialized;
    using System.Configuration; 
    using System.Security; 
    using Debug=System.Web.Util.Debug;
    using System.Security.Permissions; 

    // Interface for buffered event provider
    public abstract class BufferedWebEventProvider : WebEventProvider {
        bool    _buffer = true; 
        string  _bufferMode;
        WebEventBuffer  _webEventBuffer; 
 
        public override void Initialize(string name, NameValueCollection config)
        { 
            // create buffer according to the buffer mode settings specified, like we do in sql/mail providers
            // wire up the delegate to the ProcessEventFlush method
            Debug.Trace("BufferedWebEventProvider", "Initializing: name=" + name);
 
            ProviderUtil.GetAndRemoveBooleanAttribute(config, "buffer", name, ref _buffer);
 
            if (_buffer) { 
                ProviderUtil.GetAndRemoveRequiredNonEmptyStringAttribute(config, "bufferMode", name, ref _bufferMode);
                _webEventBuffer = new WebEventBuffer(this, _bufferMode, new WebEventBufferFlushCallback(this.ProcessEventFlush)); 
            }
            else {
                ProviderUtil.GetAndRemoveStringAttribute(config, "bufferMode", name, ref _bufferMode);
            } 

            base.Initialize(name, config); 
 
            ProviderUtil.CheckUnrecognizedAttributes(config, name);
        } 

        public bool UseBuffering {
            get { return _buffer; }
        } 

        public string BufferMode { 
            get { return _bufferMode; } 
        }
 
        public override void ProcessEvent(WebBaseEvent eventRaised)
        {
            if (_buffer) {
                // register the event with the buffer instead of writing it out 
                Debug.Trace("BufferedWebEventProvider", "Saving event to buffer: event=" + eventRaised.GetType().Name);
                _webEventBuffer.AddEvent(eventRaised); 
            } 
            else {
                WebEventBufferFlushInfo flushInfo = new WebEventBufferFlushInfo( 
                                new WebBaseEventCollection(eventRaised),
                                EventNotificationType.Unbuffered,
                                0,
                                DateTime.MinValue, 
                                0,
                                0); 
 
                ProcessEventFlush(flushInfo);
            } 
        }

        public abstract void ProcessEventFlush(WebEventBufferFlushInfo flushInfo);
 
        public override void Flush() {
            if (_buffer) { 
                _webEventBuffer.Flush(Int32.MaxValue, FlushCallReason.StaticFlush); 
            }
        } 

        public override void Shutdown() {
            if (_webEventBuffer != null) {
                _webEventBuffer.Shutdown(); 
            }
        } 
    } 

} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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