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124 lines (108 loc) · 3.61 KB
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using System;
using System.Data;
using ServiceStack.CacheAccess;
using ServiceStack.Messaging;
using ServiceStack.OrmLite;
using ServiceStack.Redis;
using ServiceStack.ServiceHost;
using ServiceStack.WebHost.Endpoints;
namespace ServiceStack.ServiceInterface
{
/// <summary>
/// Generic + Useful IService base class
/// </summary>
public class Service : IService, IRequiresRequestContext, IServiceBase, IDisposable
{
public IRequestContext RequestContext { get; set; }
private IAppHost appHost;
public virtual IAppHost GetAppHost()
{
return appHost ?? EndpointHost.AppHost;
}
public virtual void SetAppHost(IAppHost appHost)
{
this.appHost = appHost;
}
public virtual T TryResolve<T>()
{
return this.GetAppHost() == null
? default(T)
: this.GetAppHost().TryResolve<T>();
}
public virtual T ResolveService<T>()
{
var service = TryResolve<T>();
var requiresContext = service as IRequiresRequestContext;
if (requiresContext != null)
{
requiresContext.RequestContext = this.RequestContext;
}
return service;
}
private IHttpRequest request;
protected virtual IHttpRequest Request
{
get { return request ?? (request = RequestContext.Get<IHttpRequest>()); }
}
private IHttpResponse response;
protected virtual IHttpResponse Response
{
get { return response ?? (response = RequestContext.Get<IHttpResponse>()); }
}
private ICacheClient cache;
public virtual ICacheClient Cache
{
get { return cache ?? (cache = TryResolve<ICacheClient>()); }
}
private IDbConnection db;
public virtual IDbConnection Db
{
get { return db ?? (db = TryResolve<IDbConnectionFactory>().Open()); }
}
private IRedisClient redis;
public virtual IRedisClient Redis
{
get { return redis ?? (redis = TryResolve<IRedisClientsManager>().GetClient()); }
}
private IMessageProducer messageProducer;
public virtual IMessageProducer MessageProducer
{
get { return messageProducer ?? (messageProducer = TryResolve<IMessageFactory>().CreateMessageProducer()); }
}
private ISessionFactory sessionFactory;
public virtual ISessionFactory SessionFactory
{
get { return sessionFactory ?? (sessionFactory = TryResolve<ISessionFactory>()) ?? new SessionFactory(Cache); }
}
/// <summary>
/// Dynamic Session Bag
/// </summary>
private ISession session;
public virtual ISession Session
{
get
{
return session ?? (session = SessionFactory.GetOrCreateSession(Request, Response));
}
}
/// <summary>
/// Typed UserSession
/// </summary>
private object userSession;
protected virtual TUserSession SessionAs<TUserSession>()
{
return (TUserSession)(userSession ?? (userSession = Cache.SessionAs<TUserSession>(Request, Response)));
}
public virtual void Dispose()
{
if (cache != null)
cache.Dispose();
if (db != null)
db.Dispose();
if (redis != null)
redis.Dispose();
if (messageProducer != null)
messageProducer.Dispose();
}
}
}