71 lines
3.2 KiB
C#
71 lines
3.2 KiB
C#
using Elsa.ActivityNodeResolvers;
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using Elsa.Contracts;
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using Elsa.Expressions;
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using Elsa.Modules.Activities.Extensions;
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using Elsa.Options;
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using Elsa.Persistence.Extensions;
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using Elsa.Pipelines.ActivityExecution;
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using Elsa.Pipelines.WorkflowExecution;
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using Elsa.Runtime.Contracts;
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using Elsa.Runtime.Extensions;
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using Elsa.Services;
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using Microsoft.Extensions.DependencyInjection;
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namespace Elsa.Extensions;
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public static class ServiceCollectionExtensions
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{
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public static IServiceCollection AddElsa(this IServiceCollection services) => services
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.AddElsaCore()
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.AddElsaRuntime()
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.AddDefaultExpressionHandlers();
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public static IServiceCollection AddElsaCore(this IServiceCollection services)
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{
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services.AddOptions<WorkflowEngineOptions>();
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return services
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// Core.
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.AddSingleton<IActivityInvoker, ActivityInvoker>()
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.AddSingleton<IWorkflowRunner, WorkflowRunner>()
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.AddSingleton<IActivityWalker, ActivityWalker>()
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.AddSingleton<IIdentityGraphService, IdentityGraphService>()
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.AddSingleton<IWorkflowStateSerializer, WorkflowStateSerializer>()
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.AddSingleton<IActivitySchedulerFactory, ActivitySchedulerFactory>()
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.AddSingleton<IActivityNodeResolver, OutboundActivityNodeResolver>()
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.AddSingleton<IHasher, Hasher>()
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.AddSingleton<IIdentityGenerator, IdentityGenerator>()
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.AddSingleton<ISystemClock, SystemClock>()
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.AddSingleton<IBookmarkDataSerializer, BookmarkDataSerializer>()
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// Expressions.
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.AddSingleton<IExpressionEvaluator, ExpressionEvaluator>()
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.AddSingleton<IExpressionHandlerRegistry, ExpressionHandlerRegistry>()
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// Pipelines.
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.AddSingleton<IActivityExecutionPipeline, ActivityExecutionPipeline>()
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.AddSingleton<IWorkflowExecutionPipeline, WorkflowExecutionPipeline>()
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// Additional activity services.
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.AddActivityServices()
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// Persistence services.
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.AddPersistenceServices()
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// Logging
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.AddLogging();
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}
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private static IServiceCollection AddDefaultExpressionHandlers(this IServiceCollection services) =>
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services
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.AddExpressionHandler<LiteralExpressionHandler, LiteralExpression>()
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.AddExpressionHandler<DelegateExpressionHandler, DelegateExpression>()
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.AddExpressionHandler<VariableExpressionHandler, VariableExpression>()
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.AddExpressionHandler<JsonExpressionHandler, JsonExpression>()
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.AddExpressionHandler<ElsaExpressionHandler, ElsaExpression>();
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public static IServiceCollection AddWorkflowProvider<T>(this IServiceCollection services) where T : class, IWorkflowProvider => services.AddSingleton<IWorkflowProvider, T>();
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public static IServiceCollection AddStimulusHandler<T>(this IServiceCollection services) where T : class, IStimulusHandler => services.AddSingleton<IStimulusHandler, T>();
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public static IServiceCollection AddInstructionInterpreter<T>(this IServiceCollection services) where T : class, IWorkflowInstructionInterpreter => services.AddSingleton<IWorkflowInstructionInterpreter, T>();
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} |