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Backwards compatibility for older workflow instances

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This commit is contained in:
Sipke Schoorstra 2021-10-05 17:36:15 +02:00
parent e70475d1e0
commit 0232e47f4d
1 changed files with 8 additions and 2 deletions
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10
src/core/Elsa.Abstractions/Models/WorkflowInstance.cs
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@ -34,7 +34,14 @@ namespace Elsa.Models
public WorkflowInputReference? Input { get; set; }
public WorkflowOutputReference? Output { get; set; }
public IDictionary<string, IDictionary<string, object?>> ActivityData { get; set; } = new Dictionary<string, IDictionary<string, object?>>();
public IDictionary<string, object?> Metadata { get; set; } = new Dictionary<string, object?>();
// To prevent NRE when old workflow instances are deserialized.
private IDictionary<string, object?>? _metadata;
public IDictionary<string, object?> Metadata
{
get { return _metadata ??= new Dictionary<string, object?>(); }
set => _metadata = value ?? new Dictionary<string, object?>();
}
public HashSet<BlockingActivity> BlockingActivities
{
@ -43,7 +50,6 @@ namespace Elsa.Models
}
public object? GetMetadata(string key) => Metadata.TryGetValue(key, out var value) ? value : default;
public void SetMetadata(string key, object? value)
{
Metadata[key] = value;