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MSSQLProvider.cs
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MSSQLProvider.cs
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using System;
using System.Collections.Generic;
using System.Data;
using System.Globalization;
using Microsoft.Data.SqlClient;
using System.Linq;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
using System.Xml.Linq;
using FluentMigrator.Runner;
using Newtonsoft.Json;
using OptimaJet.Workflow.Core;
using OptimaJet.Workflow.Core.Fault;
using OptimaJet.Workflow.Core.Model;
using OptimaJet.Workflow.Core.Persistence;
using OptimaJet.Workflow.Core.Runtime;
using OptimaJet.Workflow.Core.Runtime.Timers;
using OptimaJet.Workflow.Core.Entities;
using OptimaJet.Workflow.Migrator;
using OptimaJet.Workflow.MSSQL.Models;
using OptimaJet.Workflow.Plugins;
using WorkflowRuntime = OptimaJet.Workflow.Core.Runtime.WorkflowRuntime;
using WorkflowSync = OptimaJet.Workflow.MSSQL.Models.WorkflowSync;
// ReSharper disable once CheckNamespace
namespace OptimaJet.Workflow.DbPersistence
{
public class MSSQLProvider : IWorkflowProvider, IMigratable
{
private WorkflowRuntime _runtime;
private PersistenceProviderOptions Options { get; }
/// <summary>Database schema name for workflow persistence objects</summary>
public string SchemaName => Options.SchemaName;
/// <summary>Global timeout for executing commands on the database</summary>
public int GlobalCommandTimeout => Options.GlobalCommandTimeout;
/// <summary> Connection string to the database </summary>
public string ConnectionString => Options.ConnectionString;
//Entity Providers (DbObject<TEntity>)
public WorkflowProcessInstance WorkflowProcessInstance { get; }
public WorkflowProcessInstanceStatus WorkflowProcessInstanceStatus { get; }
public WorkflowProcessInstancePersistence WorkflowProcessInstancePersistence { get; }
public WorkflowProcessTransitionHistory WorkflowProcessTransitionHistory { get; }
public WorkflowProcessTimer WorkflowProcessTimer { get; }
public WorkflowInbox WorkflowInbox { get; }
public WorkflowApprovalHistory WorkflowApprovalHistory { get; }
public WorkflowProcessAssignment WorkflowProcessAssignment { get; }
public WorkflowGlobalParameter WorkflowGlobalParameter { get; }
public WorkflowProcessScheme WorkflowProcessScheme { get; }
public MSSQL.Models.WorkflowRuntime WorkflowRuntime { get; }
public WorkflowScheme WorkflowScheme { get; }
public WorkflowSync WorkflowSync { get; }
public ProcessInstanceTree ProcessInstanceTree { get; }
public virtual void Init(WorkflowRuntime runtime)
{
_runtime = runtime;
}
public MSSQLProvider(string connectionString, string schemaName = "dbo", bool writeToHistory = true,
bool writeSubProcessToRoot = false) : this(new PersistenceProviderOptions(connectionString)
{
SchemaName = schemaName, WriteToHistory = writeToHistory, WriteSubProcessToRoot = writeSubProcessToRoot
}) {}
public MSSQLProvider(PersistenceProviderOptions options)
{
if (options == null)
{
throw new ArgumentException("PersistenceProviderOptions are null");
}
options.SchemaName ??= "dbo";
Options = options;
//Creating DbObjects
WorkflowProcessInstance = new WorkflowProcessInstance(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowProcessInstanceStatus = new WorkflowProcessInstanceStatus(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowProcessInstancePersistence = new WorkflowProcessInstancePersistence(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowProcessTransitionHistory = new WorkflowProcessTransitionHistory(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowProcessTimer = new WorkflowProcessTimer(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowInbox = new WorkflowInbox(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowApprovalHistory = new WorkflowApprovalHistory(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowProcessAssignment = new WorkflowProcessAssignment(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowGlobalParameter = new WorkflowGlobalParameter(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowProcessScheme = new WorkflowProcessScheme(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowRuntime = new MSSQL.Models.WorkflowRuntime(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowScheme = new WorkflowScheme(Options.SchemaName, Options.GlobalCommandTimeout);
WorkflowSync = new WorkflowSync(Options.SchemaName, Options.GlobalCommandTimeout);
ProcessInstanceTree = new ProcessInstanceTree(Options.SchemaName, Options.GlobalCommandTimeout);
}
/// <summary> Opens a new database connection </summary>
/// <returns>A new database connection</returns>
public SqlConnection OpenConnection()
{
return new SqlConnection(Options.ConnectionString);
}
#region IPersistenceProvider
#region IAssignmentProvider
public async Task DeleteAssignmentAsync(Guid assignmentId)
{
using var connection = OpenConnection();
await WorkflowProcessAssignment.DeleteAsync(connection, assignmentId).ConfigureAwait(false);
}
public async Task<List<Assignment>> GetAssignmentsAsync(AssignmentFilter filter, List<(string parameterName,SortDirection sortDirection)> orderParameters = null, Paging paging = null)
{
using var connection = OpenConnection();
var assignments = await WorkflowProcessAssignment
.SelectByFilterAsync(connection, filter.Parameters, orderParameters, paging).ConfigureAwait(false);
return assignments.Select(a => WorkflowProcessAssignment.ConvertToAssignment(a)).ToList();
}
public async Task<int> GetAssignmentCountAsync(AssignmentFilter filter)
{
using var connection = OpenConnection();
return await WorkflowProcessAssignment.GetAssignmentCountAsync(connection, filter.Parameters).ConfigureAwait(false);
}
public async Task CreateAssignmentAsync(Guid processId, AssignmentCreationForm form)
{
using var connection = OpenConnection();
form.Observers ??= new List<string>();
form.Tags ??= new List<string>();
var assignment = new ProcessAssignmentEntity
{
Id = form.Id ?? Guid.NewGuid(),
AssignmentCode = form.AssignmentCode,
Name = form.Name,
Description = form.Description,
Executor = form.Executor,
ProcessId = processId,
StatusState = AssignmentPlugin.DefaultStatus,
IsDeleted = false,
IsActive = form.IsActive,
DeadlineToComplete = form.DeadlineToComplete,
DeadlineToStart = form.DeadlineToStart,
Observers = JsonConvert.SerializeObject(form.Observers),
Tags = JsonConvert.SerializeObject(form.Tags),
DateCreation = _runtime.RuntimeDateTimeNow
};
await WorkflowProcessAssignment.InsertAsync(connection, assignment).ConfigureAwait(false);
}
public virtual async Task<Assignment> GetAssignmentAsync(Guid assignmentId)
{
using var connection = OpenConnection();
var assignment = await WorkflowProcessAssignment.SelectByKeyAsync(connection, assignmentId).ConfigureAwait(false);
return WorkflowProcessAssignment.ConvertToAssignment(assignment);
}
public async Task UpdateAssignmentAsync(Assignment a)
{
using var connection = OpenConnection();
var assignment = await WorkflowProcessAssignment.SelectByKeyAsync(connection, a.AssignmentId).ConfigureAwait(false);
assignment.Name = a.Name;
assignment.Description = a.Description;
assignment.Executor = a.Executor;
assignment.ProcessId = a.ProcessId;
assignment.StatusState = a.StatusState;
assignment.DateStart = a.DateStart;
assignment.DateFinish = a.DateFinish;
assignment.IsActive = a.IsActive;
assignment.IsDeleted = a.IsDeleted;
assignment.DeadlineToComplete = a.DeadlineToComplete;
assignment.DeadlineToStart = a.DeadlineToStart;
assignment.Observers = JsonConvert.SerializeObject(a.Observers ?? new List<string>());
assignment.Tags = JsonConvert.SerializeObject(a.Tags ?? new List<string>());
await WorkflowProcessAssignment.UpdateAsync(connection, assignment).ConfigureAwait(false);
}
#endregion
public async Task DeleteInactiveTimersByProcessIdAsync(Guid processId)
{
using var connection = OpenConnection();
await WorkflowProcessTimer.DeleteInactiveByProcessIdAsync(connection, processId).ConfigureAwait(false);
}
public async Task DeleteTimerAsync(Guid timerId)
{
using var connection = OpenConnection();
await WorkflowProcessTimer.DeleteAsync(connection, timerId).ConfigureAwait(false);
}
public virtual async Task<List<Guid>> GetRunningProcessesAsync(string runtimeId = null)
{
using var connection = OpenConnection();
return await WorkflowProcessInstanceStatus.GetProcessesByStatusAsync(connection, ProcessStatus.Running.Id, runtimeId)
.ConfigureAwait(false);
}
public virtual async Task<bool> MultiServerRuntimesExistAsync()
{
using var connection = OpenConnection();
return await WorkflowRuntime.MultiServerRuntimesExistAsync(connection).ConfigureAwait(false);
}
public virtual async Task<int> ActiveMultiServerRuntimesCountAsync(string currentRuntimeId)
{
using var connection = OpenConnection();
return await WorkflowRuntime.GetActiveMultiServerRuntimesCountAsync(connection, currentRuntimeId).ConfigureAwait(false);
}
public virtual async Task<WorkflowRuntimeModel> CreateWorkflowRuntimeAsync(string runtimeId, RuntimeStatus status)
{
using var connection = OpenConnection();
var runtime = new RuntimeEntity
{
RuntimeId = runtimeId,
Lock = Guid.NewGuid(),
Status = status
};
await WorkflowRuntime.InsertAsync(connection, runtime).ConfigureAwait(false);
return new WorkflowRuntimeModel { Lock = runtime.Lock, RuntimeId = runtimeId, Status = status };
}
public virtual async Task DeleteWorkflowRuntimeAsync(string name)
{
using var connection = OpenConnection();
await WorkflowRuntime.DeleteAsync(connection, name).ConfigureAwait(false);
}
public async Task<List<ProcessInstanceItem>> GetProcessInstancesAsync(
List<(string parameterName, SortDirection sortDirection)> orderParameters = null,
Paging paging = null)
{
using var connection = OpenConnection();
ProcessInstanceEntity[] processInstances = await WorkflowProcessInstance
.SelectAllWithPagingAsync(connection, orderParameters, paging).ConfigureAwait(false);
return processInstances.Select(pi => new ProcessInstanceItem()
{
ActivityName = pi.ActivityName,
Id = pi.Id,
IsDeterminingParametersChanged = pi.IsDeterminingParametersChanged,
PreviousActivity = pi.PreviousActivity,
PreviousActivityForDirect = pi.PreviousActivityForDirect,
PreviousActivityForReverse = pi.PreviousActivityForReverse,
PreviousState = pi.PreviousState,
PreviousStateForDirect = pi.PreviousStateForDirect,
PreviousStateForReverse = pi.PreviousStateForReverse,
SchemeId = pi.SchemeId,
StateName = pi.StateName,
ParentProcessId = pi.ParentProcessId,
RootProcessId = pi.RootProcessId,
TenantId = pi.TenantId,
StartingTransition = pi.StartingTransition,
SubprocessName = pi.SubprocessName,
CreationDate = pi.CreationDate,
LastTransitionDate = pi.LastTransitionDate,
CalendarName = pi.CalendarName
}).ToList();
}
public async Task<int> GetProcessInstancesCountAsync()
{
using var connection = OpenConnection();
return await WorkflowProcessInstance.GetCountAsync(connection).ConfigureAwait(false);
}
public async Task<List<SchemeItem>> GetSchemesAsync(List<(string parameterName,SortDirection sortDirection)> orderParameters = null, Paging paging = null)
{
using var connection = OpenConnection();
var schemes = await WorkflowScheme.SelectAllWorkflowSchemesWithPagingAsync(connection, orderParameters, paging)
.ConfigureAwait(false);
return schemes.Select(sc => new SchemeItem()
{
Code = sc.Code,
Scheme = sc.Scheme,
CanBeInlined = sc.CanBeInlined,
InlinedSchemes = sc.GetInlinedSchemes(),
Tags = TagHelper.FromTagString(sc.Tags),
}).ToList();
}
public async Task<int> GetSchemesCountAsync()
{
using var connection = OpenConnection();
return await WorkflowScheme.GetCountAsync(connection).ConfigureAwait(false);
}
public virtual async Task<WorkflowRuntimeModel> UpdateWorkflowRuntimeStatusAsync(WorkflowRuntimeModel runtime, RuntimeStatus status)
{
Tuple<int, WorkflowRuntimeModel> res = await UpdateWorkflowRuntimeAsync(runtime,
x => x.Status = status,
WorkflowRuntime.UpdateStatusAsync)
.ConfigureAwait(false);
if (res.Item1 != 1)
{
throw new ImpossibleToSetRuntimeStatusException();
}
return res.Item2;
}
public virtual async Task<(bool Success, WorkflowRuntimeModel UpdatedModel)> UpdateWorkflowRuntimeRestorerAsync(WorkflowRuntimeModel runtime, string restorerId)
{
Tuple<int, WorkflowRuntimeModel> res = await UpdateWorkflowRuntimeAsync(runtime,
x => x.RestorerId = restorerId,
WorkflowRuntime.UpdateRestorerAsync)
.ConfigureAwait(false);
return (res.Item1 == 1, res.Item2);
}
public virtual async Task InitializeProcessAsync(ProcessInstance processInstance)
{
using var connection = OpenConnection();
ProcessInstanceEntity oldProcess = await WorkflowProcessInstance.SelectByKeyAsync(connection, processInstance.ProcessId)
.ConfigureAwait(false);
if (oldProcess != null)
{
throw new ProcessAlreadyExistsException(processInstance.ProcessId);
}
var newProcess = new ProcessInstanceEntity
{
Id = processInstance.ProcessId,
SchemeId = processInstance.SchemeId,
ActivityName = processInstance.ProcessScheme.InitialActivity.Name,
StateName = processInstance.ProcessScheme.InitialActivity.State,
RootProcessId = processInstance.RootProcessId,
ParentProcessId = processInstance.ParentProcessId,
TenantId = processInstance.TenantId,
StartingTransition = processInstance.ProcessScheme.StartingTransition,
SubprocessName = processInstance.SubprocessName,
CreationDate = processInstance.CreationDate,
CalendarName = processInstance.CalendarName
};
await WorkflowProcessInstance.InsertAsync(connection, newProcess).ConfigureAwait(false);
}
public virtual async Task BindProcessToNewSchemeAsync(ProcessInstance processInstance)
{
await BindProcessToNewSchemeAsync(processInstance, false).ConfigureAwait(false);
}
public virtual async Task BindProcessToNewSchemeAsync(ProcessInstance processInstance, bool resetIsDeterminingParametersChanged)
{
using var connection = OpenConnection();
ProcessInstanceEntity oldProcess = await WorkflowProcessInstance.SelectByKeyAsync(connection, processInstance.ProcessId)
.ConfigureAwait(false);
if (oldProcess == null)
{
throw new ProcessNotFoundException(processInstance.ProcessId);
}
oldProcess.SchemeId = processInstance.SchemeId;
oldProcess.StartingTransition = processInstance.ProcessScheme.StartingTransition;
if (resetIsDeterminingParametersChanged)
{
oldProcess.IsDeterminingParametersChanged = false;
}
await WorkflowProcessInstance.UpdateAsync(connection, oldProcess).ConfigureAwait(false);
}
public virtual async Task FillProcessParametersAsync(ProcessInstance processInstance)
{
processInstance.AddParameters(await GetProcessParametersAsync(processInstance.ProcessId, processInstance.ProcessScheme).ConfigureAwait(false));
}
public virtual async Task FillPersistedProcessParametersAsync(ProcessInstance processInstance)
{
processInstance.AddParameters(await GetPersistedProcessParametersAsync(processInstance.ProcessId, processInstance.ProcessScheme).ConfigureAwait(false));
}
public virtual async Task FillPersistedProcessParameterAsync(ProcessInstance processInstance, string parameterName)
{
ParameterDefinitionWithValue persistedProcessParameter = await GetPersistedProcessParameterAsync(processInstance.ProcessId, processInstance.ProcessScheme, parameterName).ConfigureAwait(false);
if (persistedProcessParameter == null)
{
return;
}
processInstance.AddParameter(persistedProcessParameter);
}
public virtual async Task FillSystemProcessParametersAsync(ProcessInstance processInstance)
{
processInstance.AddParameters(await GetSystemProcessParametersAsync(processInstance.ProcessId, processInstance.ProcessScheme).ConfigureAwait(false));
}
public virtual async Task SavePersistenceParametersAsync(ProcessInstance processInstance)
{
var parametersToPersistList = processInstance.ProcessParameters.Where(ptp => ptp.Purpose == ParameterPurpose.Persistence)
.Select(ptp => ParameterDefinitionWithValueToDynamic(ptp))
.ToList();
using var connection = OpenConnection();
var persistedParameters =
(await WorkflowProcessInstancePersistence.SelectByProcessIdAsync(connection, processInstance.ProcessId)
.ConfigureAwait(false)).ToList();
foreach (dynamic parameterDefinitionWithValue in parametersToPersistList)
{
var persistence = persistedParameters.SingleOrDefault(pp => pp.ParameterName == parameterDefinitionWithValue.Parameter.Name);
await InsertOrUpdateParameterAsync(connection, processInstance, parameterDefinitionWithValue, persistence)
.ConfigureAwait(false);
}
}
public virtual async Task SavePersistenceParameterAsync(ProcessInstance processInstance, string parameterName)
{
dynamic parameter = ParameterDefinitionWithValueToDynamic(processInstance.ProcessParameters.Single(ptp => ptp.Purpose == ParameterPurpose.Persistence && ptp.Name == parameterName));
using var connection = OpenConnection();
var persistedParameter = await WorkflowProcessInstancePersistence
.SelectByNameAsync(connection, processInstance.ProcessId, parameterName).ConfigureAwait(false);
await InsertOrUpdateParameterAsync(connection, processInstance, parameter, persistedParameter).ConfigureAwait(false);
}
private dynamic ParameterDefinitionWithValueToDynamic(ParameterDefinitionWithValue ptp)
{
string serializedValue = ptp.Type == typeof(UnknownParameterType) ? (string)ptp.Value : ParametersSerializer.Serialize(ptp.Value, ptp.Type);
return new { Parameter = ptp, SerializedValue = serializedValue };
}
private async Task InsertOrUpdateParameterAsync(SqlConnection connection, ProcessInstance processInstance, dynamic parameter,
ProcessInstancePersistenceEntity persistence)
{
if (persistence == null)
{
if (parameter.SerializedValue != null)
{
persistence = new ProcessInstancePersistenceEntity()
{
Id = Guid.NewGuid(),
ProcessId = processInstance.ProcessId,
ParameterName = parameter.Parameter.Name,
Value = parameter.SerializedValue
};
await WorkflowProcessInstancePersistence.InsertAsync(connection, persistence).ConfigureAwait(false);
}
}
else
{
if (parameter.SerializedValue != null)
{
persistence.Value = parameter.SerializedValue;
await WorkflowProcessInstancePersistence.UpdateAsync(connection, persistence).ConfigureAwait(false);
}
else
{
await WorkflowProcessInstancePersistence.DeleteAsync(connection, persistence.Id).ConfigureAwait(false);
}
}
}
public virtual async Task RemoveParameterAsync(ProcessInstance processInstance, string parameterName)
{
using var connection = OpenConnection();
await WorkflowProcessInstancePersistence.DeleteByNameAsync(connection, processInstance.ProcessId, parameterName)
.ConfigureAwait(false);
}
public virtual async Task SetProcessStatusAsync(Guid processId, ProcessStatus newStatus)
{
if (newStatus == ProcessStatus.Running)
{
await SetRunningStatusAsync(processId).ConfigureAwait(false);
}
else
{
await SetCustomStatusAsync(processId,newStatus).ConfigureAwait(false);
}
}
public virtual async Task SetWorkflowInitializedAsync(ProcessInstance processInstance)
{
await SetCustomStatusAsync(processInstance.ProcessId, ProcessStatus.Initialized, true).ConfigureAwait(false);
}
public virtual async Task SetWorkflowIdledAsync(ProcessInstance processInstance)
{
await SetCustomStatusAsync(processInstance.ProcessId, ProcessStatus.Idled).ConfigureAwait(false);
}
public virtual async Task SetWorkflowRunningAsync(ProcessInstance processInstance)
{
Guid processId = processInstance.ProcessId;
await SetRunningStatusAsync(processId).ConfigureAwait(false);
}
public virtual async Task SetWorkflowFinalizedAsync(ProcessInstance processInstance)
{
await SetCustomStatusAsync(processInstance.ProcessId, ProcessStatus.Finalized).ConfigureAwait(false);
}
public virtual async Task SetWorkflowTerminatedAsync(ProcessInstance processInstance)
{
await SetCustomStatusAsync(processInstance.ProcessId, ProcessStatus.Terminated).ConfigureAwait(false);
}
public async Task WriteInitialRecordToHistoryAsync(ProcessInstance processInstance)
{
if (!Options.WriteToHistory) { return; }
using var connection = OpenConnection();
var history = new ProcessTransitionHistoryEntity
{
Id = Guid.NewGuid(),
ProcessId = Options.WriteSubProcessToRoot && processInstance.IsSubprocess
? processInstance.RootProcessId
: processInstance.ProcessId,
FromActivityName = String.Empty,
FromStateName = String.Empty,
ToActivityName = processInstance.CurrentActivityName,
ToStateName = processInstance.CurrentState,
TransitionClassifier = nameof(TransitionClassifier.NotSpecified),
TransitionTime = _runtime.RuntimeDateTimeNow,
TriggerName = "Initializing",
StartTransitionTime = _runtime.RuntimeDateTimeNow,
TransitionDuration = 0
};
await WorkflowProcessTransitionHistory.InsertAsync(connection, history).ConfigureAwait(false);
}
public virtual async Task UpdatePersistenceStateAsync(ProcessInstance processInstance, TransitionDefinition transition)
{
DateTime startTransitionTime = processInstance.StartTransitionTime ?? _runtime.RuntimeDateTimeNow;
ParameterDefinitionWithValue paramIdentityId = await processInstance.GetParameterAsync(DefaultDefinitions.ParameterIdentityId.Name).ConfigureAwait(false);
ParameterDefinitionWithValue paramImpIdentityId = await processInstance.GetParameterAsync(DefaultDefinitions.ParameterImpersonatedIdentityId.Name).ConfigureAwait(false);
string identityId = paramIdentityId == null ? String.Empty : (string)paramIdentityId.Value;
string impIdentityId = paramImpIdentityId == null ? identityId : (string)paramImpIdentityId.Value;
using var connection = OpenConnection();
var instance = await WorkflowProcessInstance.SelectByKeyAsync(connection, processInstance.ProcessId).ConfigureAwait(false);
if (!(instance == null || transition.To.DisablePersistState))
{
if (!String.IsNullOrEmpty(transition.To.State))
{
instance.StateName = transition.To.State;
}
instance.ActivityName = transition.To.Name;
instance.PreviousActivity = transition.From.Name;
if (!String.IsNullOrEmpty(transition.From.State))
{
instance.PreviousState = transition.From.State;
}
if (transition.Classifier == TransitionClassifier.Direct)
{
instance.PreviousActivityForDirect = transition.From.Name;
if (!String.IsNullOrEmpty(transition.From.State))
{
instance.PreviousStateForDirect = transition.From.State;
}
}
else if (transition.Classifier == TransitionClassifier.Reverse)
{
instance.PreviousActivityForReverse = transition.From.Name;
if (!String.IsNullOrEmpty(transition.From.State))
{
instance.PreviousStateForReverse = transition.From.State;
}
}
instance.ParentProcessId = processInstance.ParentProcessId;
instance.RootProcessId = processInstance.RootProcessId;
instance.LastTransitionDate = processInstance.LastTransitionDate;
await WorkflowProcessInstance.UpdateAsync(connection, instance).ConfigureAwait(false);
}
if (!Options.WriteToHistory || transition.To.DisablePersistTransitionHistory)
{
return;
}
string actorName = null;
string executorName = null;
if (_runtime.GetUserByIdentityAsync != null)
{
if (!String.IsNullOrEmpty(impIdentityId) )
{
actorName = await _runtime.GetUserByIdentityAsync(impIdentityId).ConfigureAwait(false);
}
if (!String.IsNullOrEmpty(identityId))
{
executorName = await _runtime.GetUserByIdentityAsync(identityId).ConfigureAwait(false);
}
}
var history = new ProcessTransitionHistoryEntity
{
ActorIdentityId = impIdentityId,
ExecutorIdentityId = identityId,
ActorName = actorName,
ExecutorName = executorName,
Id = Guid.NewGuid(),
IsFinalised = transition.To.IsFinal,
ProcessId = Options.WriteSubProcessToRoot && processInstance.IsSubprocess ? processInstance.RootProcessId : processInstance.ProcessId,
FromActivityName = transition.From.Name,
FromStateName = transition.From.State,
ToActivityName = transition.To.Name,
ToStateName = transition.To.State,
TransitionClassifier = transition.Classifier.ToString(),
TransitionTime = _runtime.RuntimeDateTimeNow,
TriggerName = String.IsNullOrEmpty(processInstance.ExecutedTimer) ? processInstance.CurrentCommand : processInstance.ExecutedTimer,
StartTransitionTime = startTransitionTime,
TransitionDuration = (int)(_runtime.RuntimeDateTimeNow - startTransitionTime).TotalMilliseconds
};
await WorkflowProcessTransitionHistory.InsertAsync(connection, history).ConfigureAwait(false);
}
public virtual async Task<bool> IsProcessExistsAsync(Guid processId)
{
using var connection = OpenConnection();
return await WorkflowProcessInstance.SelectByKeyAsync(connection, processId).ConfigureAwait(false) != null;
}
public virtual async Task<ProcessStatus> GetInstanceStatusAsync(Guid processId)
{
using var connection = OpenConnection();
var instanceStatus = await WorkflowProcessInstanceStatus.SelectByKeyAsync(connection, processId).ConfigureAwait(false);
if (instanceStatus == null)
{
return ProcessStatus.NotFound;
}
ProcessStatus status = ProcessStatus.All.SingleOrDefault(ins => ins.Id == instanceStatus.Status);
return status ?? ProcessStatus.Unknown;
}
private async Task SetRunningStatusAsync(Guid processId)
{
using var connection = OpenConnection();
var instanceStatus = await WorkflowProcessInstanceStatus.SelectByKeyAsync(connection, processId).ConfigureAwait(false);
if (instanceStatus == null)
{
throw new StatusNotDefinedException();
}
if (instanceStatus.Status == ProcessStatus.Running.Id)
{
throw new ImpossibleToSetStatusException("Process already running");
}
Guid oldLock = instanceStatus.Lock;
instanceStatus.Lock = Guid.NewGuid();
instanceStatus.Status = ProcessStatus.Running.Id;
instanceStatus.RuntimeId = _runtime.Id;
instanceStatus.SetTime = _runtime.RuntimeDateTimeNow;
int cnt = await WorkflowProcessInstanceStatus.ChangeStatusAsync(connection, instanceStatus, oldLock).ConfigureAwait(false);
if (cnt == 0)
{
instanceStatus = await WorkflowProcessInstanceStatus.SelectByKeyAsync(connection, processId).ConfigureAwait(false);
if (instanceStatus == null)
{
throw new StatusNotDefinedException();
}
}
if (cnt != 1)
{
throw new ImpossibleToSetStatusException();
}
}
// ReSharper disable once ParameterOnlyUsedForPreconditionCheck.Local
private async Task SetCustomStatusAsync(Guid processId, ProcessStatus status, bool createIfNotDefined = false)
{
using var connection = OpenConnection();
var instanceStatus = await WorkflowProcessInstanceStatus.SelectByKeyAsync(connection, processId).ConfigureAwait(false);
if (instanceStatus == null)
{
if (!createIfNotDefined)
{
throw new StatusNotDefinedException();
}
instanceStatus = new ProcessInstanceStatusEntity()
{
Id = processId,
Lock = Guid.NewGuid(),
Status = status.Id,
RuntimeId = _runtime.Id,
SetTime = _runtime.RuntimeDateTimeNow
};
await WorkflowProcessInstanceStatus.InsertAsync(connection, instanceStatus).ConfigureAwait(false);
}
else
{
Guid oldLock = instanceStatus.Lock;
instanceStatus.Status = status.Id;
instanceStatus.Lock = Guid.NewGuid();
instanceStatus.RuntimeId = _runtime.Id;
instanceStatus.SetTime = _runtime.RuntimeDateTimeNow;
int cnt = await WorkflowProcessInstanceStatus.ChangeStatusAsync(connection, instanceStatus, oldLock).ConfigureAwait(false);
if (cnt == 0)
{
instanceStatus = await WorkflowProcessInstanceStatus.SelectByKeyAsync(connection, processId).ConfigureAwait(false);
if (instanceStatus == null)
{
throw new StatusNotDefinedException();
}
}
if (cnt != 1)
{
throw new ImpossibleToSetStatusException();
}
}
}
private async Task<List<ParameterDefinitionWithValue>> GetProcessParametersAsync(Guid processId, ProcessDefinition processDefinition)
{
var parameters = new List<ParameterDefinitionWithValue>(processDefinition.Parameters.Count);
parameters.AddRange(await GetPersistedProcessParametersAsync(processId, processDefinition).ConfigureAwait(false));
parameters.AddRange(await GetSystemProcessParametersAsync(processId, processDefinition).ConfigureAwait(false));
return parameters;
}
private async Task<List<ParameterDefinitionWithValue>> GetSystemProcessParametersAsync(Guid processId, ProcessDefinition processDefinition)
{
var processInstance = await GetProcessInstanceAsync(processId).ConfigureAwait(false);
var systemParameters =
processDefinition.Parameters.Where(p => p.Purpose == ParameterPurpose.System).ToList();
var parameters = new List<ParameterDefinitionWithValue>(systemParameters.Count)
{
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterProcessId.Name),
processId),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterPreviousState.Name),
processInstance.PreviousState),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterCurrentState.Name),
processInstance.StateName),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterPreviousStateForDirect.Name),
processInstance.PreviousStateForDirect),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterPreviousStateForReverse.Name),
processInstance.PreviousStateForReverse),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterPreviousActivity.Name),
processInstance.PreviousActivity),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterCurrentActivity.Name),
processInstance.ActivityName),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterPreviousActivityForDirect.Name),
processInstance.PreviousActivityForDirect),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterPreviousActivityForReverse.Name),
processInstance.PreviousActivityForReverse),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterSchemeCode.Name),
processDefinition.Name),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterSchemeId.Name),
processInstance.SchemeId),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterIsPreExecution.Name),
false),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterParentProcessId.Name),
processInstance.ParentProcessId),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterRootProcessId.Name),
processInstance.RootProcessId),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterTenantId.Name),
processInstance.TenantId),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterSubprocessName.Name),
processInstance.SubprocessName),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterCreationDate.Name),
processInstance.CreationDate),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterLastTransitionDate.Name),
processInstance.LastTransitionDate),
ParameterDefinition.Create(
systemParameters.Single(sp => sp.Name == DefaultDefinitions.ParameterCalendarName.Name),
processInstance.CalendarName)
};
return parameters;
}
private async Task<List<ParameterDefinitionWithValue>> GetPersistedProcessParametersAsync(Guid processId, ProcessDefinition processDefinition)
{
var persistenceParameters = processDefinition.PersistenceParameters.ToList();
var parameters = new List<ParameterDefinitionWithValue>(persistenceParameters.Count);
List<ProcessInstancePersistenceEntity> persistedParameters;
using (var connection = OpenConnection())
{
persistedParameters = (await WorkflowProcessInstancePersistence.SelectByProcessIdAsync(connection, processId).ConfigureAwait(false)).ToList();
}
foreach (var persistedParameter in persistedParameters)
{
parameters.Add(WorkflowProcessInstancePersistenceToParameterDefinitionWithValue(persistenceParameters, persistedParameter));
}
return parameters;
}
private async Task<ParameterDefinitionWithValue> GetPersistedProcessParameterAsync(Guid processId, ProcessDefinition processDefinition, string parameterName)
{
var persistenceParameters = processDefinition.PersistenceParameters.ToList();
ProcessInstancePersistenceEntity persistedParameter;
using (var connection = OpenConnection())
{
persistedParameter = await WorkflowProcessInstancePersistence.SelectByNameAsync(connection, processId, parameterName)
.ConfigureAwait(false);
}
return persistedParameter == null
? null
: WorkflowProcessInstancePersistenceToParameterDefinitionWithValue(persistenceParameters, persistedParameter);
}
private ParameterDefinitionWithValue WorkflowProcessInstancePersistenceToParameterDefinitionWithValue(
List<ParameterDefinition> persistenceParameters, ProcessInstancePersistenceEntity persistedParameter)
{
ParameterDefinition parameterDefinition = persistenceParameters.FirstOrDefault(p => p.Name == persistedParameter.ParameterName);
if (parameterDefinition == null)
{
parameterDefinition = ParameterDefinition.Create(persistedParameter.ParameterName, typeof(UnknownParameterType),
ParameterPurpose.Persistence);
return ParameterDefinition.Create(parameterDefinition, persistedParameter.Value);
}
return ParameterDefinition.Create(parameterDefinition, ParametersSerializer.Deserialize(persistedParameter.Value, parameterDefinition.Type));
}
private async Task<ProcessInstanceEntity> GetProcessInstanceAsync(Guid processId)
{
using var connection = OpenConnection();
var processInstance = await WorkflowProcessInstance.SelectByKeyAsync(connection, processId).ConfigureAwait(false);
if (processInstance == null)
{
throw new ProcessNotFoundException(processId);
}
return processInstance;
}
public virtual async Task DeleteProcessAsync(Guid[] processIds)
{
foreach (Guid processId in processIds)
{
await DeleteProcessAsync(processId).ConfigureAwait(false);
}
}
public virtual async Task SaveGlobalParameterAsync<T>(string type, string name, T value)
{
using var connection = OpenConnection();
var globalParameter = (await WorkflowGlobalParameter.SelectByTypeAndNameAsync(connection, type, name).ConfigureAwait(false))
.FirstOrDefault();
if (globalParameter == null)
{
globalParameter = new GlobalParameterEntity()
{
Id = Guid.NewGuid(),
Type = type,
Name = name,
Value = JsonConvert.SerializeObject(value)
};
await WorkflowGlobalParameter.InsertAsync(connection, globalParameter).ConfigureAwait(false);
}
else
{
globalParameter.Value = JsonConvert.SerializeObject(value);
await WorkflowGlobalParameter.UpdateAsync(connection, globalParameter).ConfigureAwait(false);
}
}
public virtual async Task<T> LoadGlobalParameterAsync<T>(string type, string name)
{
using var connection = OpenConnection();
var globalParameter = (await WorkflowGlobalParameter.SelectByTypeAndNameAsync(connection, type, name).ConfigureAwait(false))
.FirstOrDefault();
return globalParameter == null
? default
: JsonConvert.DeserializeObject<T>(globalParameter.Value);
}
public async Task<Dictionary<string, T>> LoadGlobalParametersWithNamesAsync<T>(string type, Sorting sort = null)
{
using var connection = OpenConnection();
var parameters = await WorkflowGlobalParameter.SelectByTypeAndNameAsync(connection, type, null, sort).ConfigureAwait(false);
var dict = new Dictionary<string, T>();
foreach (var parameter in parameters)
{
dict[parameter.Name] = JsonConvert.DeserializeObject<T>(parameter.Value);
}
return dict;
}
public virtual async Task<List<T>> LoadGlobalParametersAsync<T>(string type, Sorting sort = null)
{
using var connection = OpenConnection();
var parameters = await WorkflowGlobalParameter.SelectByTypeAndNameAsync(connection, type, null, sort).ConfigureAwait(false);
return parameters.Select(p => JsonConvert.DeserializeObject<T>(p.Value)).ToList();
}
public virtual async Task<PagedResponse<T>> LoadGlobalParametersWithPagingAsync<T>(string type, Paging paging, string name = null, Sorting sort = null)
{
using var connection = OpenConnection();
var parameters = await WorkflowGlobalParameter
.SearchByTypeAndNameWithPagingAsync(connection, type, name, paging, sort)
.ConfigureAwait(false);
var count = await WorkflowGlobalParameter.GetCountByTypeAndNameAsync(connection, type, name)
.ConfigureAwait(false);
return new PagedResponse<T>()
{
Data = parameters.Select(p => JsonConvert.DeserializeObject<T>(p.Value)).ToList(),
Count = count
};
}
public virtual async Task DeleteGlobalParametersAsync(string type, string name = null)