/// <summary>
/// 添加Sql的策略
/// </summary>
/// <param name="policy"></param>
public static void AddPolicy(this IConfigSqlInfoModifier info, ISqlConfigPolicy policy)
{
policy.CheckNull(nameof(policy));
info.Policies.Add(EFHelper.Services.EFCoreExUtility.GetSqlConfigPolicyName(policy.GetType()),
policy);
}
/// <summary>
/// 用于初始化的策略执行器，就是在程序运行期间只执行一次，除非sql的配置数据发生了改变（例如：替换表名 / 合并分部sql等的执行器）
/// </summary>
/// <param name="info"></param>
/// <returns></returns>
protected void DoSqlInitPolicyExecutors(IDictionary <string, ISqlConfigPolicy> policies,
IPolicyExecutorInfo info)
{
var pinfo = (ISqlInitPolicyExecutorInfo)info;
ISqlConfigPolicy policy = null;
if (policies?.Count > 0)
{
foreach (var pair in _sqlInitPolicyExecutorsOrder)
{
info.PolicyName = pair.Key;
//全局的策略对象
_globalPolicies.TryGetValue(pair.Key, out policy);
info.GlobalPolicy = policy;
//获取通过方法形参传递过来的策略对象
policies.TryGetValue(pair.Key, out policy);
info.ParameterPolicy = policy;
pair.Value.Item2.Invoke().Execute(pinfo);
}
}
else
{
info.ParameterPolicy = null;
foreach (var pair in _sqlInitPolicyExecutorsOrder)
{
info.PolicyName = pair.Key;
//全局的策略对象
_globalPolicies.TryGetValue(pair.Key, out policy);
info.GlobalPolicy = policy;
pair.Value.Item2.Invoke().Execute(pinfo);
}
}
}
/// <summary>
/// 转换成策略存储的Dictionary
/// </summary>
/// <param name="policy"></param>
/// <returns></returns>
public static IDictionary <string, ISqlConfigPolicy> ToPolicies(this ISqlConfigPolicy policy)
{
return(policy == null ? null :
new Dictionary <string, ISqlConfigPolicy>()
{
{ EFHelper.Services.EFCoreExUtility.GetSqlConfigPolicyName(policy.GetType(), true), policy }
});
}
/// <summary>
/// 设置全局策略对象
/// </summary>
public static void SetGlobalPolicy(this ILuaSqlConfigManager mgr, ISqlConfigPolicy policy)
{
policy.CheckNull(nameof(policy));
var policyName = EFHelper.Services.EFCoreExUtility.GetSqlConfigPolicyName(policy.GetType());
if (string.IsNullOrEmpty(policyName))
{
throw new ArgumentException($"Could not find {nameof(SqlConfigPolicyAttribute)} in {policy.GetType().Name} type");
}
mgr.PolicyMgr.GlobalPolicies[policyName] = policy;
}
/// <summary>
/// 用于lua sql执行时的策略执行器（例如：查询缓存，查询缓存清理，日志记录等等）
/// </summary>
/// <param name="info"></param>
/// <returns></returns>
protected void DoLuaSqlExecutePolicyExecutors(IDictionary <string, ISqlConfigPolicy> policies,
ILuaSqlPolicyExecutorInfo info)
{
var pinfo = (ILuaSqlExecutePolicyExecutorInfo)info;
ISqlConfigPolicy policy = null;
if (policies?.Count > 0)
{
foreach (var pair in _luasqlExecutePolicyExecutorsOrder)
{
info.PolicyName = pair.Key;
//全局的策略对象
_globalPolicies.TryGetValue(pair.Key, out policy);
info.GlobalPolicy = policy;
//获取通过方法形参传递过来的策略对象
policies.TryGetValue(pair.Key, out policy);
info.ParameterPolicy = policy;
pair.Value.Item2.Invoke().Execute(pinfo);
//如果是执行完毕，那么跳出循环不再继续执行
if (pinfo.IsEnd)
{
break;
}
}
}
else
{
info.ParameterPolicy = null;
foreach (var pair in _luasqlExecutePolicyExecutorsOrder)
{
info.PolicyName = pair.Key;
//全局的策略对象
_globalPolicies.TryGetValue(pair.Key, out policy);
info.GlobalPolicy = policy;
pair.Value.Item2.Invoke().Execute(pinfo);
//如果是执行完毕，那么跳出循环不再继续执行
if (pinfo.IsEnd)
{
break;
}
}
}
}
/// <summary>
/// 设置全局策略对象
/// </summary>
/// <param name="mgr"></param>
/// <param name="policyName"></param>
/// <param name="policy"></param>
public static void SetGlobalPolicy(this ILuaSqlConfigManager mgr, string policyName, ISqlConfigPolicy policy)
{
policy.CheckNull(nameof(policy));
policyName.CheckStringIsNullOrEmpty(nameof(policyName));
mgr.PolicyMgr.GlobalPolicies[policyName] = policy;
}
public bool IsUsePolicy(ISqlConfigPolicy policy)
{
return(policy != null && (policy.IsUse == null || policy.IsUse.Value));
}