public DatabasePool(Func <PooledDatabase> createFunc, int maximumRetained = 0, EvictionSettings evictSetting = null)
{
if (maximumRetained == 0)
{
maximumRetained = Environment.ProcessorCount * 2;
}
#if NET45
currentDatabaseLocal = new ThreadLocal <PooledDatabase>();
#else
currentDatabaseLocal = new AsyncLocal <PooledDatabase>();
#endif
Pool = new ObjectPool <PooledDatabase>(maximumRetained, () =>
{
PooledDatabase db = createFunc();
db.SetPool(this); //设置池
return(db);
}
, evictSetting, null);
}
public DatabasePool(DatabasePoolPolicy policy)
{
if (policy == null)
{
throw new ArgumentException("policy can not be null!");
}
//DatabasePoolPolicy policy = new DatabasePoolPolicy();
//if (policyConfig != null)
//{
// policyConfig(policy);
//}
#if NET45
currentDatabaseLocal = new ThreadLocal <PooledDatabase>();
#else
currentDatabaseLocal = new AsyncLocal <PooledDatabase>();
#endif
int maximumRetained = policy.MaxPoolSize;
if (maximumRetained == 0)
{
maximumRetained = Environment.ProcessorCount * 2;
}
var createDelegate = policy.CreateFactory;
var asyncCreateDelegate = policy.AsyncCreateFactory;
Pool = new ObjectPool <PooledDatabase>(maximumRetained, () =>
{
PooledDatabase db = createDelegate();//createFunc();
db.OnCreateResource = (pooledObj) =>
{
policy.OnCreateResource?.Invoke(pooledObj);
};
db.OnGetResource = (pooledObj) =>
{
policy.OnGetResource?.Invoke(pooledObj);
};
db.OnReturnResource = (pooledObj) =>
{
policy.OnReturnResource?.Invoke(pooledObj);
};
db.OnReleaseResource = (pooledObj) =>
{
policy.OnReleaseResource?.Invoke(pooledObj);
var resource = pooledObj as PooledDatabase;
resource?.CloseReally();
};
db.OnResetState = (pooledObj) =>
{
policy.OnResetState?.Invoke(pooledObj);
var resource = pooledObj as PooledDatabase;
resource?.CloseReally();
};
db.OnEvictResource = (pooledObj) =>
{
policy.OnEvictResource?.Invoke(pooledObj);
var resource = pooledObj as PooledDatabase;
resource?.CloseReally();
};
db.OnValidateObject = (pooledObj) =>
{
return(policy.OnValidateObject != null ? policy.OnValidateObject(pooledObj) : true);
};
db.SetPool(this); //设置池
return(db);
}
, async(c, b) =>
{
PooledDatabase db = await asyncCreateDelegate(c, b);//createFunc();
db.OnCreateResource = (pooledObj) =>
{
policy.OnCreateResource?.Invoke(pooledObj);
};
db.OnGetResource = (pooledObj) =>
{
policy.OnGetResource?.Invoke(pooledObj);
};
db.OnReturnResource = (pooledObj) =>
{
policy.OnReturnResource?.Invoke(pooledObj);
};
db.OnReleaseResource = (pooledObj) =>
{
policy.OnReleaseResource?.Invoke(pooledObj);
var resource = pooledObj as PooledDatabase;
resource?.CloseReally();
};
db.OnResetState = (pooledObj) =>
{
policy.OnResetState?.Invoke(pooledObj);
var resource = pooledObj as PooledDatabase;
resource?.CloseReally();
};
db.OnEvictResource = (pooledObj) =>
{
policy.OnEvictResource?.Invoke(pooledObj);
var resource = pooledObj as PooledDatabase;
resource?.CloseReally();
};
db.OnValidateObject = (pooledObj) =>
{
return(policy.OnValidateObject != null ? policy.OnValidateObject(pooledObj) : true);
};
db.SetPool(this); //设置池
return(db);
}
, policy.EvictionSettings, policy.EvictionTimer, policy.EnableDiagnostics);
}