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Target netstandard2, Yaml support, object graph support (#328)
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,72 @@ | ||
| # Workflow Core 2.0.0 | ||
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| ### Upgrade notes | ||
| Existing JSON definitions will be loaded as follows | ||
| ```c# | ||
| using WorkflowCore.Services.DefinitionStorage; | ||
| ... | ||
| DefinitionLoader.LoadDefinition(json, Deserializers.Json); | ||
| ``` | ||
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| * Targets .NET Standard 2.0 | ||
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| The core library now targets .NET Standard 2.0, in order to leverage newer features. | ||
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| * Support for YAML definitions | ||
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| Added support for YAML workflow definitions, which can be loaded as follows | ||
| ```c# | ||
| using WorkflowCore.Services.DefinitionStorage; | ||
| ... | ||
| DefinitionLoader.LoadDefinition(json, Deserializers.Yaml); | ||
| ``` | ||
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| Existing JSON definitions will be loaded as follows | ||
| ```c# | ||
| using WorkflowCore.Services.DefinitionStorage; | ||
| ... | ||
| DefinitionLoader.LoadDefinition(json, Deserializers.Json); | ||
| ``` | ||
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| * Object graphs and inline expressions on input properties | ||
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| You can now pass object graphs to step inputs as opposed to just scalar values | ||
| ``` | ||
| "inputs": | ||
| { | ||
| "Body": { | ||
| "Value1": 1, | ||
| "Value2": 2 | ||
| }, | ||
| "Headers": { | ||
| "Content-Type": "application/json" | ||
| } | ||
| }, | ||
| ``` | ||
| If you want to evaluate an expression for a given property of your object, simply prepend and `@` and pass an expression string | ||
| ``` | ||
| "inputs": | ||
| { | ||
| "Body": { | ||
| "@Value1": "data.MyValue * 2", | ||
| "Value2": 5 | ||
| }, | ||
| "Headers": { | ||
| "Content-Type": "application/json" | ||
| } | ||
| }, | ||
| ``` | ||
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| * Support for enum values on input properties | ||
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| If your step has an enum property, you can now just pass the string representation of the enum value and it will be automatically converted. | ||
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| * Environment variables available in input expressions | ||
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| You can now access environment variables from within input expressions. | ||
| usage: | ||
| ``` | ||
| environment["VARIABLE_NAME"] | ||
| ``` | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,11 @@ | ||
| using WorkflowCore.Models; | ||
| using System; | ||
| using WorkflowCore.Models; | ||
| using WorkflowCore.Models.DefinitionStorage.v1; | ||
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| namespace WorkflowCore.Interface | ||
| { | ||
| public interface IDefinitionLoader | ||
| { | ||
| WorkflowDefinition LoadDefinition(string json); | ||
| WorkflowDefinition LoadDefinition(string source, Func<string, DefinitionSourceV1> deserializer); | ||
| } | ||
| } |
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src/WorkflowCore/Services/DefinitionStorage/Deserializers.cs
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,16 @@ | ||
| using System; | ||
| using Newtonsoft.Json; | ||
| using SharpYaml.Serialization; | ||
| using WorkflowCore.Models.DefinitionStorage.v1; | ||
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| namespace WorkflowCore.Services.DefinitionStorage | ||
| { | ||
| public static class Deserializers | ||
| { | ||
| private static Serializer yamlSerializer = new Serializer(); | ||
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| public static Func<string, DefinitionSourceV1> Json = (source) => JsonConvert.DeserializeObject<DefinitionSourceV1>(source); | ||
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| public static Func<string, DefinitionSourceV1> Yaml = (source) => yamlSerializer.DeserializeInto(source, new DefinitionSourceV1()); | ||
| } | ||
| } |
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