WCF宿主与服务托管(1)

namespace BruceZhang.WCF.DocumentsExplorerServiceContract
{
[ServiceContract]
public interface IDocumentsExplorerService
{
[OperationContract]
[FaultContract(typeof(DirectoryNotFoundException))]
DocumentList FetchDocuments(string homeDir);

[OperationContract]
Stream TransferDocument(Document document);        
}    
}

namespace BruceZhang.WCF.DocumentsExplorerServiceImplementation
{
[ServiceBehavior(InstanceContextMode=InstanceContextMode.Single)]
public class DocumentsExplorerService : IDocumentsExplorerService
{
#region IDocumentsExplorerService Members
public DocumentList FetchDocuments(string homeDir)
{
//implementation code
}        
public Stream TransferDocument(Document document)
{
//implementation code
}
#endregion     
}
}

namespace BruceZhang.WCF.DocumentsExplorerDataContract
{   
[DataContract]
public class Document
{
//DataMembers
}
}
namespace BruceZhang.WCF.DocumentsExplorerDataContract
{
[KnownType(typeof(Document))]    
[CollectionDataContract]
public class DocumentList:IList
{
//IList Methods
}
}