/// <summary>
/// Etablish a connection to the <see cref="IQueryRemoteHandler">Remote Service</see>.
/// </summary>
public void Connect()
{
if (handler == null)
{
handler = connectMethod();
}
}
/// <summary>
/// Etablish a connection to the <see cref="IQueryRemoteHandler">Remote Service</see>.
/// </summary>
public void Connect()
{
if (handler == null)
{
handler = connectMethod();
}
}
/// <summary>
/// Initializes this class.
/// </summary>
/// <param name="innerHandler">Inner Handler of this Server.</param>
public ServerQueryRemotingHandler(IQueryHandler innerHandler)
{
if (innerHandler == null)
{
throw new ArgumentNullException("innerHandler");
}
InnerHandler = new ServerQueryHandler(innerHandler);
}
/// <summary>
/// Initializes this class.
/// </summary>
/// <param name="queryRemoteHandler"><see cref="IQueryRemoteHandler"/> to communicate with the server.</param>
public ClientQueryProvider(IQueryRemoteHandler queryRemoteHandler)
{
if (queryRemoteHandler == null)
{
throw new ArgumentNullException("queryRemoteHandler");
}
Handler = queryRemoteHandler;
}
/// <summary>
/// Creates ZyanServerQueryHandler instance.
/// </summary>
/// <param name="source">IEntitySource instance</param>
public ZyanServerQueryHandler(IEntitySource source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
InnerHandler = new ServerQueryHandler(new ZyanEntityQueryHandler(source));
}
/// <summary>
/// Creates ZyanServerQueryHandler instance.
/// </summary>
/// <param name="handler">IQueryable delegate</param>
public ZyanServerQueryHandler(Func <Type, IQueryable> handler)
{
if (handler == null)
{
throw new ArgumentNullException("handler");
}
InnerHandler = new ServerQueryHandler(new ZyanEntityQueryHandler(handler));
}
/// <summary>
/// Retrieves data from the server by an <see cref="SerializableExpression">Expression</see> tree.
/// </summary>
/// <remarks>
/// This method's return type depends on the submitted
/// <see cref="SerializableExpression">Expression</see> tree.
/// Here some examples ('T' is the requested type):
/// <list type="list">
/// <listheader>
/// <term>Method</term>
/// <description>Return Type</description>
/// </listheader>
/// <item>
/// <term>Select(...)</term>
/// <description>T[]</description>
/// </item>
/// <item>
/// <term>First(...), Last(...)</term>
/// <description>T</description>
/// </item>
/// <item>
/// <term>Count(...)</term>
/// <description><see langword="int"/></description>
/// </item>
/// <item>
/// <term>Contains(...)</term>
/// <description><see langword="bool"/></description>
/// </item>
/// </list>
/// </remarks>
/// <param name="expression">
/// <see cref="SerializableExpression">Expression</see> tree
/// containing selection and projection.
/// </param>
/// <returns>Returns requested data.</returns>
/// <seealso cref="IQueryRemoteHandler.Retrieve"/>
public object Retrieve(SerializableExpression expression)
{
try
{
return(Handler.Retrieve(expression));
}
catch (FaultException ex)
{
Console.WriteLine("Test Failed on server.");
handler = null;
throw new Exception("The execution of the query failed on the server. See inner exception for more details.", ex);
}
catch (Exception)
{
Console.WriteLine("Test Failed.");
handler = null;
throw;
}
}
/// <summary>
/// Initializes this class.
/// </summary>
/// <param name="queryRemoteHandler"><see cref="IQueryRemoteHandler"/> to communicate with the server.</param>
public ClientQueryHandler(IQueryRemoteHandler queryRemoteHandler)
{
this.queryRemoteHandler = queryRemoteHandler;
}
protected override void RegisterService(IQueryRemoteHandler serviceHandler)
{
registeredService = serviceHandler;
}
/// <summary>
/// Initializes this class.
/// </summary>
/// <param name="queryRemoteHandlerInstance"><see cref="IQueryRemoteHandler"/> to communicate with the server.</param>
public ClientQueryHandler(IQueryRemoteHandler queryRemoteHandlerInstance)
{
QueryRemoteHandlerInstance = queryRemoteHandlerInstance;
}
/// <summary>
/// Initializes this class.
/// </summary>
/// <param name="queryRemoteHandler"><see cref="IQueryRemoteHandler"/> to communicate with the server.</param>
public ClientQueryHandler(IQueryRemoteHandler queryRemoteHandler)
{
this.queryRemoteHandler = queryRemoteHandler;
}
/// <summary>
/// Initializes this class.
/// </summary>
protected ServerQueryRemotingHandler()
{
InnerHandler = GetRegisteredService();
}
/// <summary>
/// Initializes this class.
/// </summary>
protected ServerQueryRemotingHandler()
{
// ReSharper disable DoNotCallOverridableMethodsInConstructor
InnerHandler = GetRegisteredService();
// ReSharper restore DoNotCallOverridableMethodsInConstructor
}
/// <summary>
/// Retrieves data from the server by an <see cref="SerializableExpression">Expression</see> tree.
/// </summary>
/// <remarks>
/// This method's return type depends on the submitted
/// <see cref="SerializableExpression">Expression</see> tree.
/// Here some examples ('T' is the requested type):
/// <list type="list">
/// <listheader>
/// <term>Method</term>
/// <description>Return Type</description>
/// </listheader>
/// <item>
/// <term>Select(...)</term>
/// <description>T[]</description>
/// </item>
/// <item>
/// <term>First(...), Last(...)</term>
/// <description>T</description>
/// </item>
/// <item>
/// <term>Count(...)</term>
/// <description><see langword="int"/></description>
/// </item>
/// <item>
/// <term>Contains(...)</term>
/// <description><see langword="bool"/></description>
/// </item>
/// </list>
/// </remarks>
/// <param name="expression">
/// <see cref="SerializableExpression">Expression</see> tree
/// containing selection and projection.
/// </param>
/// <returns>Returns requested data.</returns>
/// <seealso cref="IQueryRemoteHandler.Retrieve"/>
public object Retrieve(SerializableExpression expression)
{
try
{
return Handler.Retrieve(expression);
}
catch (FaultException ex)
{
Console.WriteLine("Test Failed on server.");
handler = null;
throw new Exception("The execution of the query failed on the server. See inner exception for more details.", ex);
}
catch (Exception)
{
Console.WriteLine("Test Failed.");
handler = null;
throw;
}
}
/// <summary>
/// Registers the <see cref="IQueryRemoteHandler"/> as service.
/// </summary>
/// <param name="serviceHandler"><see cref="IQueryRemoteHandler"/> to register.</param>
protected virtual void RegisterService(IQueryRemoteHandler serviceHandler)
{
_serviceInstance = serviceHandler;
}
protected override void RegisterService(IQueryRemoteHandler serviceHandler)
{
registeredService = serviceHandler;
}
/// <summary>
/// Registers the <see cref="IQueryRemoteHandler"/> as service.
/// </summary>
/// <param name="serviceHandler"><see cref="IQueryRemoteHandler"/> to register.</param>
protected virtual void RegisterService(IQueryRemoteHandler serviceHandler)
{
serviceInstance = serviceHandler;
}