private void Initialize()
{
if (BsonClassMap.IsClassMapRegistered(typeof(TEntity)))
{
return;
}
var identityName = IdentitySelector.GetMemberInfo().Name;
BsonClassMap.RegisterClassMap <TEntity>(cm =>
{
cm.AutoMap();
if (cm.IdMemberMap == null)
{
cm.SetIdMember(cm.GetMemberMap(identityName));
if (_keyTypeToBsonType.ContainsKey(typeof(TIdentity)) && (_keyTypeToBsonGenerator.ContainsKey(typeof(TIdentity))))
{
cm.IdMemberMap.SetRepresentation(_keyTypeToBsonType[typeof(TIdentity)]);
cm.IdMemberMap.SetIdGenerator(_keyTypeToBsonGenerator[typeof(TIdentity)]);
}
}
cm.Freeze();
});
}
private ISpecification <TEntity> ByIdentitySpecification(TIdentity identity)
{
var parameter = Expression.Parameter(typeof(TIdentity), "identity");
var equalsBinaryExpression = Expression.Equal(IdentitySelector.Body, Expression.Constant(identity));
var equalsExpression = Expression.Lambda <Func <TIdentity, bool> >(equalsBinaryExpression, parameter);
var predicateExpression = IdentitySelector.Combine(equalsExpression);
return(new ExpressionSpecification <TEntity>(predicateExpression));
}
