/// <summary>
/// Adds the specified <see cref="OperationDescription"/> to this catalog.
/// </summary>
/// <param name="operation">The <see cref="OperationDescription"/> to be added.
/// This value is not <c>null</c>.</param>
/// <returns>
/// <c>true</c> if the <paramref name="operation"/> is added successfully;
/// <c>false</c>, if it is not added because the operation which has same id already exists.
/// </returns>
protected override bool AddCore( OperationDescription operation )
{
try
{
this._catalog.Add( operation.Id, operation );
return true;
}
catch ( ArgumentException )
{
// It is more efficient because dictionary may be big.
return false;
}
}
/// <summary>
/// Removes the specified <see cref="OperationDescription"/> from this catalog.
/// </summary>
/// <param name="operation">The <see cref="OperationDescription"/> to be removed.
/// This value is not <c>null</c>.</param>
/// <returns>
/// <c>true</c> if the <paramref name="operation"/> is removed successfully;
/// <c>false</c>, if it is not removed because the operation does not exist in this catalog.
/// </returns>
protected override bool RemoveCore( OperationDescription operation )
{
return this._catalog.Remove( operation.Id );
}
/// <summary>
/// Removes the specified <see cref="OperationDescription"/> from this catalog.
/// </summary>
/// <param name="operation">The <see cref="OperationDescription"/> to be removed.
/// This value is not <c>null</c>.</param>
/// <returns>
/// <c>true</c> if the <paramref name="operation"/> is removed successfully;
/// <c>false</c>, if it is not removed because the operation does not exist in this catalog.
/// </returns>
protected override bool RemoveCore( OperationDescription operation )
{
string methodName;
string scope;
int version;
GetKeys( operation, out methodName, out scope, out version );
return this.RemoveCore( methodName, scope, version );
}
private bool AddCore( string methodName, string scope, int version, OperationDescription operation )
{
bool mayExist = true;
var methods = this.PrivateGetMethodsInScope( scope );
if ( methods == null )
{
mayExist = false;
methods = new Dictionary<string, SortedList<int, OperationDescription>>( _expectedMethodInTheScope );
this._catalog.Add( scope, methods );
}
var versions = PrivateGetVersionedMethods( methods, methodName );
if ( versions == null )
{
mayExist = false;
versions = new SortedList<int, OperationDescription>( 1 );
methods.Add( methodName, versions );
}
// Generally, there are few version to the method, so search twise is OK.
if ( mayExist && versions.ContainsKey( version ) )
{
return false;
}
versions.Add( version, operation );
return true;
}
private static void GetKeys( OperationDescription operation, out string methodName, out string scope, out int version )
{
methodName = operation.Id;
scope = operation.Service.Name;
version = operation.Service.Version;
}
private static bool TestAddCore( OperationDescription adding, params OperationDescription[] existents )
{
var target = new VersionedOperationCatalog();
foreach ( var existent in existents )
{
Assert.That( target.Add( existent ), "Failed to add existent '{0}'.", existent );
}
return target.Add( adding );
}