public Aggregate(ExpressionHolder expressionHolder) : base(expressionHolder)
{
if (expressionHolder != null)
{
this.expr = (ExpressionReturnValue <T>)expressionHolder.Expr;
}
else
{
this.expr = null;
}
}
/// <summary>
/// TODO
/// </summary>
/// <param name="name">
/// The name of the object that is having the value of one of its properties resolved.
/// </param>
/// <param name="definition">
/// The definition of the named object.
/// </param>
/// <param name="argumentName">
/// The name of the property the value of which is being resolved.
/// </param>
/// <param name="argumentValue">
/// The value of the property that is being resolved.
/// </param>
private object ResolvePropertyValue(string name, IObjectDefinition definition, string argumentName, object argumentValue)
{
object resolvedValue = null;
// we must check the argument value to see whether it requires a runtime
// reference to another object to be resolved.
// if it does, we'll attempt to instantiate the object and set the reference.
if (RemotingServices.IsTransparentProxy(argumentValue))
{
resolvedValue = argumentValue;
}
else if (argumentValue is ICustomValueReferenceHolder)
{
resolvedValue = ((ICustomValueReferenceHolder)argumentValue).Resolve(objectFactory, name, definition, argumentName, argumentValue);
}
else if (argumentValue is ObjectDefinitionHolder)
{
// contains an IObjectDefinition with name and aliases...
ObjectDefinitionHolder holder = (ObjectDefinitionHolder)argumentValue;
resolvedValue = ResolveInnerObjectDefinition(name, holder.ObjectName, argumentName, holder.ObjectDefinition, definition.IsSingleton);
}
else if (argumentValue is IObjectDefinition)
{
// resolve plain IObjectDefinition, without contained name: use dummy name...
IObjectDefinition def = (IObjectDefinition)argumentValue;
resolvedValue = ResolveInnerObjectDefinition(name, "(inner object)", argumentName, def, definition.IsSingleton);
}
else if (argumentValue is RuntimeObjectReference)
{
RuntimeObjectReference roref = (RuntimeObjectReference)argumentValue;
resolvedValue = ResolveReference(definition, name, argumentName, roref);
}
else if (argumentValue is ExpressionHolder)
{
ExpressionHolder expHolder = (ExpressionHolder)argumentValue;
object context = null;
IDictionary <string, object> variables = null;
if (expHolder.Properties != null)
{
PropertyValue contextProperty = expHolder.Properties.GetPropertyValue("Context");
context = contextProperty == null
? null
: ResolveValueIfNecessary(name, definition, "Context",
contextProperty.Value);
PropertyValue variablesProperty = expHolder.Properties.GetPropertyValue("Variables");
object vars = (variablesProperty == null
? null
: ResolveValueIfNecessary(name, definition, "Variables",
variablesProperty.Value));
if (vars is IDictionary <string, object> )
{
variables = (IDictionary <string, object>)vars;
}
if (vars is IDictionary)
{
IDictionary temp = (IDictionary)vars;
variables = new Dictionary <string, object>(temp.Count);
foreach (DictionaryEntry entry in temp)
{
variables.Add((string)entry.Key, entry.Value);
}
}
else
{
if (vars != null)
{
throw new ArgumentException("'Variables' must resolve to an IDictionary");
}
}
}
if (variables == null)
{
variables = new Dictionary <string, object>(StringComparer.OrdinalIgnoreCase);
}
// add 'this' objectfactory reference to variables
variables.Add(Expression.ReservedVariableNames.CurrentObjectFactory, objectFactory);
resolvedValue = expHolder.Expression.GetValue(context, variables);
}
else if (argumentValue is IManagedCollection)
{
resolvedValue =
((IManagedCollection)argumentValue).Resolve(name, definition, argumentName, ResolveValueIfNecessary);
}
else if (argumentValue is TypedStringValue)
{
TypedStringValue tsv = (TypedStringValue)argumentValue;
try
{
Type resolvedTargetType = ResolveTargetType(tsv);
if (resolvedTargetType != null)
{
resolvedValue = TypeConversionUtils.ConvertValueIfNecessary(tsv.TargetType, tsv.Value, null);
}
else
{
resolvedValue = tsv.Value;
}
}
catch (Exception ex)
{
throw new ObjectCreationException(definition.ResourceDescription, name,
"Error converted typed String value for " + argumentName, ex);
}
}
else
{
// no need to resolve value...
resolvedValue = argumentValue;
}
return(resolvedValue);
}
public StrMax(ExpressionHolder expressionHolder) : base(expressionHolder)
{
}
public IntMax(ExpressionHolder expressionHolder) : base(expressionHolder)
{
}
public Min(ExpressionHolder expressionHolder) : base(expressionHolder)
{
}
public ExpressionToStringWrapper(ExpressionHolder expressionHolder) : base(expressionHolder)
{
this.expr = (ExpressionReturnValue <T>)expressionHolder.Expr;
}