protected internal virtual void InvokeVariableLifecycleListenersUpdate(ICoreVariableInstance variableInstance,
AbstractVariableScope sourceScope,
IList <IVariableInstanceLifecycleListener <ICoreVariableInstance> > lifecycleListeners)
{
foreach (var lifecycleListener in lifecycleListeners)
{
lifecycleListener.OnUpdate(variableInstance, sourceScope);
}
}
protected internal virtual void RemoveVariableLocal(string variableName,
AbstractVariableScope sourceActivityExecution)
{
if (VariableStore.ContainsKey(variableName))
{
var variableInstance = VariableStore.GetVariable(variableName);
InvokeVariableLifecycleListenersDelete(variableInstance, sourceActivityExecution);
VariableStore.RemoveVariable(variableName);
}
}
public virtual void SetVariableLocal(string variableName, ITypedValue value,
AbstractVariableScope sourceActivityExecution)
{
var variableStore = VariableStore;
if (variableStore.ContainsKey(variableName))
{
var existingInstance = variableStore.GetVariable(variableName);
existingInstance.SetValue(value);
InvokeVariableLifecycleListenersUpdate(existingInstance, sourceActivityExecution);
}
else
{
var variableValue = VariableInstanceFactory.Build(variableName, value, false);
VariableStore.AddVariable(variableValue as VariableInstanceEntity);
InvokeVariableLifecycleListenersCreate(variableValue, sourceActivityExecution);
}
}
protected internal virtual void RemoveVariable(string variableName,
AbstractVariableScope sourceActivityExecution)
{
if (VariableStore.ContainsKey(variableName))
{
RemoveVariableLocal(variableName, sourceActivityExecution);
return;
}
var parentVariableScope = ParentVariableScope;
if (parentVariableScope != null)
{
if (sourceActivityExecution == null)
{
parentVariableScope.RemoveVariable(variableName);
}
else
{
parentVariableScope.RemoveVariable(variableName, sourceActivityExecution);
}
}
}
protected internal virtual void SetVariable(string variableName, ITypedValue value,
AbstractVariableScope sourceActivityVariableScope)
{
if (HasVariableLocal(variableName))
{
SetVariableLocal(variableName, value, sourceActivityVariableScope);
return;
}
var parentVariableScope = ParentVariableScope;
if (parentVariableScope != null)
{
if (sourceActivityVariableScope == null)
{
parentVariableScope.SetVariable(variableName, value);
}
else
{
parentVariableScope.SetVariable(variableName, value, sourceActivityVariableScope);
}
return;
}
SetVariableLocal(variableName, value, sourceActivityVariableScope);
}
protected internal virtual void InvokeVariableLifecycleListenersUpdate(ICoreVariableInstance variableInstance,
AbstractVariableScope sourceScope)
{
InvokeVariableLifecycleListenersUpdate(variableInstance, sourceScope, VariableInstanceLifecycleListeners);
}
public virtual void OnDelete(ICoreVariableInstance variable, AbstractVariableScope sourceScope)
{
HandleEvent(new VariableEvent((ICoreVariableInstance)variable, VariableListenerFields.Delete, sourceScope));
}
public VariableListenerInvocationListener(AbstractVariableScope targetScope)
{
this.TargetScope = targetScope;
}
