523f301bf7
* Implement Alteration types and engine * Implement Alteration APIs * Refactor activity work item with support for activity input * Serialize scheduled activities as part of workflow state * Add signal to schedule child activity * Implement stores for plans and jobs * Add EF Core provider * Add Retry endpoint * Keep root context as always active. The root context is the workflow execution context and contains persistent variable state * Regenerate EF Core migrations * Handle orphaned activity execution contexts * Refactor workflow execution factory * Enable configuring Jint from Program * Update ModifyVariable alteration with support for type deserialization * Use ShortGuid for identity * Cleanup WorkflowServer host
84 lines
3.1 KiB
C#
84 lines
3.1 KiB
C#
using Elsa.Common.Entities;
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using Elsa.Features.Abstractions;
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using Elsa.Features.Services;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.DependencyInjection;
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namespace Elsa.EntityFrameworkCore.Common;
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/// <summary>
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/// Base class for features that require Entity Framework Core.
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/// </summary>
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/// <typeparam name="TDbContext">The type of the database context.</typeparam>
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public abstract class PersistenceFeatureBase<TDbContext> : FeatureBase where TDbContext : DbContext
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{
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/// <inheritdoc />
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protected PersistenceFeatureBase(IModule module) : base(module)
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{
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}
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/// <summary>
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/// Gets or sets a value indicating whether to use context pooling.
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/// </summary>
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public bool UseContextPooling { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether to run migrations.
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/// </summary>
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public bool RunMigrations { get; set; } = true;
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/// <summary>
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/// Gets or sets the lifetime of the <see cref="IDbContextFactory{TContext}"/>. Defaults to <see cref="ServiceLifetime.Singleton"/>.
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/// </summary>
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public ServiceLifetime DbContextFactoryLifetime { get; set; } = ServiceLifetime.Singleton;
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/// <summary>
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/// Gets or sets the callback used to configure the <see cref="DbContextOptionsBuilder"/>.
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/// </summary>
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public Action<IServiceProvider, DbContextOptionsBuilder> DbContextOptionsBuilder = (_, options) => options
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.UseSqlite("Data Source=elsa.sqlite.db;Cache=Shared;", sqlite => sqlite
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.MigrationsAssembly("Elsa.EntityFrameworkCore.Sqlite")
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.MigrationsHistoryTable(ElsaDbContextBase.MigrationsHistoryTable, ElsaDbContextBase.ElsaSchema));
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/// <inheritdoc />
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public override void ConfigureHostedServices()
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{
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if (RunMigrations)
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Module.ConfigureHostedService<RunMigrationsHostedService<TDbContext>>(-100); // Migrations need to run before other hosted services that depend on DB access.
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}
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/// <inheritdoc />
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public override void Apply()
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{
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if (UseContextPooling)
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Services.AddPooledDbContextFactory<TDbContext>(DbContextOptionsBuilder);
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else
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Services.AddDbContextFactory<TDbContext>(DbContextOptionsBuilder, DbContextFactoryLifetime);
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}
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/// <summary>
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/// Adds a store to the service collection.
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/// </summary>
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/// <typeparam name="TEntity">The type of the entity.</typeparam>
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/// <typeparam name="TStore">The type of the store.</typeparam>
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protected void AddStore<TEntity, TStore>() where TEntity : class where TStore : class
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{
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Services
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.AddSingleton<Store<TDbContext, TEntity>>()
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.AddSingleton<TStore>()
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;
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}
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/// <summary>
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/// Adds an entity store to the service collection.
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/// </summary>
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/// <typeparam name="TEntity">The type of the entity.</typeparam>
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/// <typeparam name="TStore">The type of the store.</typeparam>
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protected void AddEntityStore<TEntity, TStore>() where TEntity : Entity where TStore : class
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{
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Services
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.AddSingleton<EntityStore<TDbContext, TEntity>>()
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.AddSingleton<TStore>()
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;
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}
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} |