private static T ComputeChainedValue <T>(SettingsContextBase firstContext, Func <SettingsContextBase, T> valueGetter)
{
for (SettingsContextBase settingsContextBase = firstContext; settingsContextBase != null; settingsContextBase = settingsContextBase.NextContext)
{
T t = valueGetter(settingsContextBase);
if (t != null && !t.Equals(default(T)))
{
return(t);
}
}
return(default(T));
}
public static IDisposable ActivateContext(ISettingsContextProvider provider)
{
if (provider != null)
{
SettingsContextBase settingsContextBase = provider.GetSettingsContext() as SettingsContextBase;
if (settingsContextBase != null)
{
return(settingsContextBase.Activate());
}
}
return(null);
}
public GenericSettingsContext(string propertyName, string propertyValue, SettingsContextBase nextContext = null) : base(nextContext)
{
this.propertyName = propertyName;
this.propertyValue = propertyValue;
}
public SimpleDatabaseSettingsContext(Guid mdbGuid, SettingsContextBase nextContext = null) : base(nextContext)
{
this.mdbGuid = mdbGuid;
}
private static T ComputeInheritedValue <T>(Func <SettingsContextBase, T> valueGetter)
{
for (SettingsContextBase.NestedContext nestedContext = SettingsContextBase.NestedContext.Current; nestedContext != null; nestedContext = nestedContext.ParentContext)
{
T t = SettingsContextBase.EffectiveContextObject.ComputeChainedValue <T>(nestedContext.Context, valueGetter);
if (t != null && !t.Equals(default(T)))
{
return(t);
}
}
ISettingsContext settingsContext = (SettingsContextBase.DefaultContextGetter != null) ? SettingsContextBase.DefaultContextGetter() : null;
return(SettingsContextBase.EffectiveContextObject.ComputeChainedValue <T>(settingsContext as SettingsContextBase, valueGetter));
}
public NestedContext(SettingsContextBase context)
{
this.Context = context;
this.ParentContext = SettingsContextBase.NestedContext.current;
SettingsContextBase.NestedContext.current = this;
}
public SettingsContextBase(SettingsContextBase nextContext)
{
this.HashableIdentity = Guid.NewGuid().ToString();
this.NextContext = nextContext;
}
public MailboxSettingsContext(Guid mailboxGuid, SettingsContextBase nextContext = null) : base(nextContext)
{
this.mailboxGuid = mailboxGuid;
}