public static object GetObjectByName(
[NotNull] this SqlDataReader reader,
[NotNull] string column,
[CanBeNull] object nullValue = null,
[CanBeNull] object context = null,
StreamingContextStates contextState = StreamingContextStates.Other)
{
if (reader == null) throw new ArgumentNullException("reader");
if (column == null) throw new ArgumentNullException("column");
int ordinal = reader.GetOrdinal(column);
if (reader.IsDBNull(ordinal))
return nullValue;
SqlBytes bytes = reader.GetSqlBytes(ordinal);
using (Stream serializationStream = bytes.Stream)
{
Debug.Assert(serializationStream != null);
return Serialize.GetFormatter(context, contextState).Deserialize(serializationStream);
}
}
internal StreamingContext(StreamingContextStates state, Object additional)
{
m_state = state;
m_additionalContext = additional;
}
internal StreamingContext(StreamingContextStates state)
: this(state, null)
{
}
public StreamingContext (StreamingContextStates state)
{
this.state = state;
additional = null;
}
/// <summary>
/// Creates a StreamingContext with a CommandSerializationContext as its user context
/// </summary>
public static StreamingContext ToStreamingContext( StreamingContextStates state, CommandUserRegistry userRegistry, CommandRegistry commandRegistry )
{
CommandSerializationContext userContext = new CommandSerializationContext( userRegistry, commandRegistry );
StreamingContext context = new StreamingContext( state, userContext );
return context;
}
private NotProperImplementedSerializableClass(SerializationInfo info, StreamingContext context) // Noncompliant, because using the serialization info is required for properly implementing the serializable constructor.
{
state = context.State;
}
//
// Summary:
// Initializes a new instance of the System.Runtime.Serialization.StreamingContext
// class with a given context state.
//
// Parameters:
// state:
// A bitwise combination of the System.Runtime.Serialization.StreamingContextStates
// values that specify the source or destination context for this System.Runtime.Serialization.StreamingContext.
public StreamingContext(StreamingContextStates state)
{
m_States = state;
}
public StreamingContext(StreamingContextStates state, object additional)
{
}
public StreamingContext(StreamingContextStates state) { throw new NotSupportedException(); }
public StreamingContext(StreamingContextStates state, object context)
{
State = state;
Context = context;
}
// Constructors
public StreamingContext(StreamingContextStates state)
{
}
public StreamingContext(StreamingContextStates state, object additional)
{
this.state = state;
this.additional = additional;
}
public StreamingContext(StreamingContextStates state)
{
this.state = state;
additional = null;
}
public StreamingContext(StreamingContextStates state)
: this(state, null)
{
}
public StreamingContext(StreamingContextStates state)
: this(state, null)
{
}
public StreamingContext(StreamingContextStates state, object additional) { throw new NotSupportedException(); }
public StreamingContext(StreamingContextStates state, object additional)
{
this.m_state = state;
this.m_additionalContext = additional;
}
public StreamingContext(StreamingContextStates state, object?additional)
{
_state = state;
_additionalContext = additional;
}
