public Activity LoadFromSource(IApplicationHost host)
{
if (Type == WorkflowType.File)
{
String fullPath = GetWorkflowFullPath(host);
using (var sr = new StreamReader(fullPath))
{
Definition = sr.ReadToEnd();
sr.BaseStream.Seek(0, SeekOrigin.Begin);
using (var xr = ActivityXamlServices.CreateReader(sr.BaseStream))
{
var root = ActivityXamlServices.Load(xr);
RuntimeActivity.Compile(GetHashedName(), root);
return(root);
}
}
}
else if (Type == WorkflowType.ClrType)
{
return(System.Activator.CreateInstance(Assembly, Name).Unwrap() as Activity);
}
else if (Type == WorkflowType.Definition)
{
using (var sr = new StringReader(Definition))
{
Activity root = ActivityXamlServices.Load(sr) as Activity;
Cached = RuntimeActivity.Compile(GetHashedName(), root);
return(root);
}
}
else
{
throw new NotImplementedException($"WorkflowDefinition. Invalid WorkflowType. Type={Type.ToString()}");
}
}
public Activity LoadFromSource(IApplicationHost host, IDbContext dbContext)
{
if (Type == WorkflowType.File)
{
String fullPath = GetWorkflowFullPath(host);
using (var sr = new StreamReader(fullPath))
{
Definition = sr.ReadToEnd();
sr.BaseStream.Seek(0, SeekOrigin.Begin);
using (var xr = ActivityXamlServices.CreateReader(sr.BaseStream))
{
var root = ActivityXamlServices.Load(xr);
RuntimeActivity.Compile(GetHashedName(), root);
return(root);
}
}
}
else if (Type == WorkflowType.Db)
{
var fullPath = Path.Replace('\\', '/').ToLowerInvariant();
fullPath = System.IO.Path.ChangeExtension(fullPath, ".xaml");
var appStream = dbContext.Load <AppStream>(null, "a2sys.LoadApplicationFile", new { Path = fullPath });
if (appStream.Stream == null)
{
throw new WorkflowException($"There is no definition for '{fullPath}'");
}
Definition = appStream.Stream;
using (var sr = new StringReader(appStream.Stream))
{
Activity root = ActivityXamlServices.Load(sr) as Activity;
Cached = RuntimeActivity.Compile(GetHashedName(), root);
return(root);
}
}
else if (Type == WorkflowType.ClrType)
{
return(System.Activator.CreateInstance(Assembly, Name).Unwrap() as Activity);
}
else if (Type == WorkflowType.Definition)
{
using (var sr = new StringReader(Definition))
{
Activity root = ActivityXamlServices.Load(sr) as Activity;
Cached = RuntimeActivity.Compile(GetHashedName(), root);
return(root);
}
}
else
{
throw new NotImplementedException($"WorkflowDefinition. Invalid WorkflowType. Type={Type.ToString()}");
}
}
public Activity LoadFromDefinition()
{
if (Type != WorkflowType.Definition)
{
throw new InvalidOperationException("Invalid WorkflowDefinition type. Expected 'WorkflowType.Definition'");
}
using (var sr = new StringReader(Definition))
{
Activity root = ActivityXamlServices.Load(sr) as Activity;
Cached = RuntimeActivity.Compile(GetHashedName(), root);
return(root);
}
}
public static Boolean Compile(String name, Activity root)
{
Type cachedType = RuntimeActivity.GetCachedType(name);
Boolean bCached = false;
if (cachedType != null)
{
RuntimeActivity.CreateCompiledActivity(root as DynamicActivity, cachedType);
bCached = true;
}
else
{
cachedType = RuntimeActivity.CompileExpressions(root as DynamicActivity);
RuntimeActivity.CacheType(name, cachedType);
}
return(bCached);
}
public static Boolean IsTypeCached(String name)
{
Type cachedType = RuntimeActivity.GetCachedType(name);
return(cachedType != null);
}