| | | 1 | | using pva.Helpers.Extensions; |
| | | 2 | | using pva.SuperV.Engine.Exceptions; |
| | | 3 | | using System.Threading.Channels; |
| | | 4 | | |
| | | 5 | | namespace pva.SuperV.Engine.Processing |
| | | 6 | | { |
| | | 7 | | /// <summary> |
| | | 8 | | /// Base class for the generated scripts. |
| | | 9 | | /// </summary> |
| | | 10 | | /// <param name="project">Project where the script is running.</param> |
| | | 11 | | /// <param name="scriptDefinition">Script definition for the script.</param> |
| | 115 | 12 | | public abstract class ScriptBase(RunnableProject project, ScriptDefinition scriptDefinition) |
| | | 13 | | { |
| | | 14 | | /// <summary> |
| | | 15 | | /// The changed instance constant for instance. |
| | | 16 | | /// </summary> |
| | | 17 | | public const string ChangedInstance = "ChangedInstance"; |
| | | 18 | | |
| | | 19 | | /// <summary> |
| | | 20 | | /// Gets the project. |
| | | 21 | | /// </summary> |
| | | 22 | | /// <value> |
| | | 23 | | /// The project. |
| | | 24 | | /// </value> |
| | 234 | 25 | | protected RunnableProject Project { get; } = project; |
| | | 26 | | /// <summary> |
| | | 27 | | /// Gets the script definition. |
| | | 28 | | /// </summary> |
| | | 29 | | /// <value> |
| | | 30 | | /// The script definition. |
| | | 31 | | /// </value> |
| | 232 | 32 | | protected ScriptDefinition ScriptDefinition { get; } = scriptDefinition; |
| | | 33 | | /// <summary> |
| | | 34 | | /// Gets the instances. |
| | | 35 | | /// </summary> |
| | | 36 | | /// <value> |
| | | 37 | | /// The instances. |
| | | 38 | | /// </value> |
| | 123 | 39 | | protected Dictionary<string, IInstance> Instances { get; } = []; |
| | | 40 | | |
| | | 41 | | /// <summary> |
| | | 42 | | /// Registers the script for topic notification. |
| | | 43 | | /// </summary> |
| | | 44 | | /// <returns>The value task.</returns> |
| | | 45 | | /// <exception cref="SuperVException">Error while processing topic notification.</exception> |
| | | 46 | | /// <exception cref="UnknownEntityException">Unknown topic</exception> |
| | | 47 | | public async ValueTask RegisterForTopicNotification() |
| | 115 | 48 | | { |
| | 115 | 49 | | if (Project.TopicsChannels.TryGetValue(ScriptDefinition.TopicName, out Channel<FieldValueChangedEvent>? noti |
| | 115 | 50 | | { |
| | | 51 | | try |
| | 115 | 52 | | { |
| | 117 | 53 | | while (await notificationChannel.Reader.WaitToReadAsync()) |
| | 2 | 54 | | { |
| | 4 | 55 | | while (notificationChannel.Reader.TryRead(out FieldValueChangedEvent? fieldValueChangedEvent)) |
| | 2 | 56 | | { |
| | 2 | 57 | | Instances.Clear(); |
| | 6 | 58 | | HashSet<string> instanceReferences = [.. ScriptDefinition.fieldReferences.Select(f => f.Inst |
| | 6 | 59 | | instanceReferences.Where(instanceName => instanceName != ChangedInstance).ForEach(instanceNa |
| | 2 | 60 | | { |
| | 2 | 61 | | IInstance instance = Project.GetInstance(instanceName); |
| | 2 | 62 | | Instances.Add(instanceName, instance); |
| | 4 | 63 | | }); |
| | 2 | 64 | | Instances[ChangedInstance] = fieldValueChangedEvent.Field.Instance!; |
| | 2 | 65 | | HandleFieldValueChangeInternal(Project, Instances, fieldValueChangedEvent); |
| | 2 | 66 | | } |
| | 2 | 67 | | } |
| | 115 | 68 | | return; |
| | | 69 | | } |
| | 0 | 70 | | catch (Exception e) |
| | 0 | 71 | | { |
| | 0 | 72 | | throw new SuperVException("Error while processing topic notification.", e); |
| | | 73 | | } |
| | | 74 | | } |
| | 0 | 75 | | throw new UnknownEntityException("topic", ScriptDefinition.TopicName); |
| | 115 | 76 | | } |
| | | 77 | | |
| | | 78 | | /// <summary> |
| | | 79 | | /// Handles the field value change internally. Calls the abstract method HandleFieldValueChange. |
| | | 80 | | /// </summary> |
| | | 81 | | /// <param name="project">The project.</param> |
| | | 82 | | /// <param name="instances">The instances.</param> |
| | | 83 | | /// <param name="fieldValueChangedEvent">The field value changed event.</param> |
| | | 84 | | private void HandleFieldValueChangeInternal(RunnableProject project, Dictionary<string, IInstance> instances, Fi |
| | 2 | 85 | | { |
| | 2 | 86 | | HandleFieldValueChange(project, instances, fieldValueChangedEvent); |
| | 2 | 87 | | } |
| | | 88 | | |
| | | 89 | | /// <summary> |
| | | 90 | | /// Handles the field value change. This method must be implemented in the generated class. |
| | | 91 | | /// </summary> |
| | | 92 | | /// <param name="project">The project.</param> |
| | | 93 | | /// <param name="instances">The instances.</param> |
| | | 94 | | /// <param name="fieldValueChangedEvent">The field value changed event.</param> |
| | | 95 | | public abstract void HandleFieldValueChange(RunnableProject project, Dictionary<string, IInstance> instances, Fi |
| | | 96 | | } |
| | | 97 | | } |