public WorkflowContainerContext(IState persistentState)
{
var state = persistentState as WorkflowContextState;
if (state == null)
{
throw new WorkflowEngineException("WorkflowContainerContext must be loaded with an object of type WorkflowContextState");
}
ExecutionContext = new ExecutionContext(state.ExecutionContext);
ContainerInputs = new PluginInputs(state.ContainerInputs, ExecutionContext);
RootPluginContext = new PluginContext(state.RootPluginContext);
// Sync Root Plugin Context with Execution Context (Pointer Swizzling)
RootPluginContext = ExecutionContext.GetPluginContextFromId(RootPluginContext.PluginId);
Executed = state.Executed;
Variants = state.Variants;
}
private T GetOrCreatePluginInternal <T>(string id)
where T : Plugin, new()
{
var currentPluginContext = _executionContext.CurrentPluginContext;
var currentedPluginNestedPlugins = currentPluginContext.Plugins;
PluginContext pluginContext = null;
if (currentedPluginNestedPlugins.ContainsKey(id))
{
var pluginId = currentedPluginNestedPlugins[id];
pluginContext = _executionContext.GetPluginContextFromId(pluginId);
}
var plugin = new T();
plugin.Initialize(_executionContext, pluginContext);
currentedPluginNestedPlugins[id] = plugin.PluginId;
return(plugin);
}
internal void Initialize(ExecutionContext executionContext, PluginContext pluginContext)
{
_executionContext = executionContext ?? throw new WorkflowEngineException("Cannot initalize plugin with a null execution context");
if (pluginContext != null)
{
PluginContext = pluginContext;
}
else
{
PluginContext = new PluginContext
{
PluginId = new PluginId(),
PluginName = ExecInfo.PluginName,
Version = ExecInfo.Version
};
_executionContext.AddPluginContext(PluginContext);
}
_isInitialized = true;
}
/// <summary>
/// Updates the consumers list for the inputs of this plugin to include the plugin
/// </summary>
public void UpdateInputConsumers(PluginContext pluginContext)
{
_dependencyGraph.UpdateInputsConsumers(pluginContext);
}
/// <summary>
/// Signals that a plugin is going to execute now
/// </summary>
/// <param name="pluginContext">ExecutionContext of the plugin about to execute</param>
public void StartPluginExecution(PluginContext pluginContext)
{
_pluginRuntimeStack.Push(pluginContext.PluginId);
}
public void AddPluginContext(PluginContext pluginContext)
{
_pluginContexts[pluginContext.PluginId] = pluginContext;
}
public bool PluginExecuted(PluginContext pluginContext)
{
return(_dependencyGraph.PluginHasExecuted(pluginContext.PluginId));
}