Add Serverless Workflow Specification v0.5 definition models

Author: cdavernas

Diff for: .gitignore

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+.vscode
+.vs
+obj/
+bin/
+**/TestResults
+
+# User-specific VS files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# JetBrains Rider
+.idea/
+*.sln.iml

Diff for: media/logos/icon.png

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31019.35
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ServerlessWorkflow.Sdk", "ServerlessWorkflow.Sdk\ServerlessWorkflow.Sdk.csproj", "{E174F5CC-F3DC-4370-AAC1-AC1D7724C792}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E174F5CC-F3DC-4370-AAC1-AC1D7724C792}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E174F5CC-F3DC-4370-AAC1-AC1D7724C792}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E174F5CC-F3DC-4370-AAC1-AC1D7724C792}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E174F5CC-F3DC-4370-AAC1-AC1D7724C792}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {1402FB0B-4169-41A6-A372-DA260E79481B}
+	EndGlobalSection
+EndGlobal

Diff for: src/ServerlessWorkflow.Sdk.sln

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+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System.Runtime.Serialization;
+
+namespace ServerlessWorkflow.Sdk.Models
+{
+
+    /// <summary>
+    /// Enumerates all types of actions
+    /// </summary>
+    [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+    [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.Converters.StringEnumConverterFactory))]
+    public enum ActionExecutionMode
+    {
+        /// <summary>
+        /// Indicates a sequential execution of actions
+        /// </summary>
+        [EnumMember(Value = "sequential")]
+        Sequential,
+        /// <summary>
+        /// Indicates a parallel execution of actions
+        /// </summary>
+        [EnumMember(Value = "parallel")]
+        Parallel
+    }
+
+}

Diff for: src/ServerlessWorkflow.Sdk/ActionExecutionMode.cs

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+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System.Runtime.Serialization;
+
+namespace ServerlessWorkflow.Sdk
+{
+
+    /// <summary>
+    /// Enumerates all types of actions
+    /// </summary>
+    [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+    [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.Converters.StringEnumConverterFactory))]
+    public enum ActionType
+    {
+        /// <summary>
+        /// Indicates an action that invokes a function
+        /// </summary>
+        [EnumMember(Value = "function")]
+        InvokeFunction,
+        /// <summary>
+        /// Indicates an action that produces a cloud event
+        /// </summary>
+        [EnumMember(Value = "event")]
+        PublishEvent
+    }
+
+}

Diff for: src/ServerlessWorkflow.Sdk/ActionType.cs

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+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System.Runtime.Serialization;
+
+namespace ServerlessWorkflow.Sdk
+{
+    /// <summary>
+    /// Enumerates all types of conditions
+    /// </summary>
+    [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+    [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.Converters.StringEnumConverterFactory))]
+    public enum ConditionType
+    {
+        /// <summary>
+        /// Indicates a transition condition
+        /// </summary>
+        [EnumMember(Value = "transition")]
+        Transition,
+        /// <summary>
+        /// Indicates an end condition
+        /// </summary>
+        [EnumMember(Value = "end")]
+        End
+    }
+
+}

Diff for: src/ServerlessWorkflow.Sdk/ConditionType.cs

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+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System.Runtime.Serialization;
+
+namespace ServerlessWorkflow.Sdk
+{
+
+    /// <summary>
+    /// Enumerates all kinds of workflow events
+    /// </summary>
+    [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+    [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.Converters.StringEnumConverterFactory))]
+    public enum EventKind
+    {
+        /// <summary>
+        /// Indicates an event to consume
+        /// </summary>
+        [EnumMember(Value = "consumed")]
+        Consumed,
+        /// <summary>
+        /// Indicates an event to produce
+        /// </summary>
+        [EnumMember(Value = "produced")]
+        Produced
+    }
+
+}

Diff for: src/ServerlessWorkflow.Sdk/EventKind.cs

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+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System;
+using System.Reflection;
+
+namespace ServerlessWorkflow.Sdk
+{
+
+    /// <summary>
+    /// Exposes extensions for <see cref="Type"/>s
+    /// </summary>
+    public static class TypeExtensions
+    {
+
+        /// <summary>
+        /// Gets a boolean indicating whether or not the type is a nullable type
+        /// </summary>
+        /// <param name="extended">The extended type</param>
+        /// <returns>A boolean indicating whether or not the type is a nullable type</returns>
+        public static bool IsNullable(this Type extended)
+        {
+            Type type = extended;
+            do
+            {
+                if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
+                    return true;
+                type = type.BaseType;
+            }
+            while (type != null);
+            return false;
+        }
+
+        /// <summary>
+        /// Attempts to get a custom attribute of the specified type
+        /// </summary>
+        /// <typeparam name="TAttribute">The type of the custom attribute to get</typeparam>
+        /// <param name="extended">The extended type</param>
+        /// <param name="attribute">The resulting custom attribute</param>
+        /// <returns>A boolean indicating whether or not the custom attribute of the specified type could be found</returns>
+        public static bool TryGetCustomAttribute<TAttribute>(this Type extended, out TAttribute attribute)
+            where TAttribute : Attribute
+        {
+            attribute = extended.GetCustomAttribute<TAttribute>();
+            return attribute != null;
+        }
+
+        /// <summary>
+        /// Gets the type's default value
+        /// </summary>
+        /// <param name="extended">The extended type</param>
+        /// <returns>The type's default value</returns>
+        public static object GetDefaultValue(this Type extended)
+        {
+            if (extended.IsValueType)
+                return Activator.CreateInstance(extended);
+            else
+                return null;
+        }
+
+    }
+
+}

Diff for: src/ServerlessWorkflow.Sdk/Extensions/TypeExtensions.cs

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+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System.Runtime.Serialization;
+namespace ServerlessWorkflow.Sdk
+{
+    /// <summary>
+    /// Enumerates all types of functions
+    /// </summary>
+    [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+    [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.Converters.StringEnumConverterFactory))]
+    public enum FunctionType
+    {
+        /// <summary>
+        /// Indicates a REST function
+        /// </summary>
+        [EnumMember(Value = "rest")]
+        Rest,
+        /// <summary>
+        /// Indicates an expression
+        /// </summary>
+        [EnumMember(Value = "expression")]
+        Expression
+    }
+
+}

Diff for: src/ServerlessWorkflow.Sdk/FunctionType.cs

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+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+namespace ServerlessWorkflow.Sdk.Models
+{
+
+    /// <summary>
+    /// Represents the object used to configure how actions filter the state data for both input and output
+    /// </summary>
+    public class ActionDataFilterDefinition
+    {
+
+        /// <summary>
+        /// Gets/sets an expression that filters state data that can be used by the action
+        /// </summary>
+        public virtual string FromStateData { get; set; }
+
+        /// <summary>
+        /// Gets/sets an expression that filters the actions data results
+        /// </summary>
+        public virtual string Results { get; set; }
+
+        /// <summary>
+        /// Gets/sets an expression that selects a state data element to which the action results should be added/merged into. If not specified denotes the top-level state data element
+        /// </summary>
+        public virtual string ToStateData { get; set; }
+
+    }
+
+}