The NHibernate session encapsulates a unit of work as specified by the unit of work pattern.
What is Session flush in NHibernate?
Before the commit() method is executed, flush() is executed and the transaction is committed. Committing a transaction means that updates made to the database are permanently saved. Usually, when executing session, save, update and delete, it is only a registration behavior.
Is NHibernate thread safe?
The NHibernate ISession is not thread-safe, that is, it shouldn’t be shared by multiple threads. The ISessionFactory, however, is thread-safe, and thus it should be used to create ISession instances as needed.
How do I clear my NHibernate session?
To completely evict all objects from the session cache, call ISession. Clear(). For the second-level cache, there are methods defined on ISessionFactory for evicting the cached state of an instance, entire class, collection instance or entire collection role.
What is difference between hibernate and NHibernate?
Hibernate and NHibernate belong to “Object Relational Mapper (ORM)” category of the tech stack. NHibernate is an open source tool with 1.64K GitHub stars and 825 GitHub forks. are some of the popular companies that use Hibernate, whereas NHibernate is used by Pinnacle Sports, ProProcure, and CRM Solutions.
What is fetch in NHibernate?
A fetching strategy is the strategy NHibernate will use for retrieving associated objects if the application needs to navigate the association. Fetch strategies may be declared in the O/R mapping metadata, or overridden by a particular HQL or Criteria query.
Which is better NHibernate or Entity Framework?
Entity Framework Core uses fluent (code-based) configuration and fluent or attribute-based mappings. Custom conventions are very powerful in NHibernate, EF Core still doesn’t have them, and this is something that NHibernate is better at, right now. Both of them need mappings, in any form.
How to open connection with NHibernate isessionfactory?
NHibernate provided ADO.NET connection Alternatively, you can have the ISessionFactory open connections for you. The ISessionFactory must be provided with ADO.NET connection properties in one of the following ways: Pass an instance of IDictionary mapping property names to property values to Configuration.SetProperties () .
What is the default timeout in nhnhibernate?
NHibernate protects the session from being concurrently used by the code following the scope disposal with a lock. To prevent any application freeze, this lock has a default timeout of five seconds. If the application appears to require longer (!) running transaction completion events,…
How does connection pooling work in NHibernate?
NHibernate relies on the ADO.NET data provider implementation of connection pooling. You may define your own plug-in strategy for obtaining ADO.NET connections by implementing the interface NHibernate.Connection.IConnectionProvider. You may select a custom implementation by setting connection.provider .
How do I set a custom configuration provider in NHibernate?
By default, NHibernate attempts to read the hibernate-configuration section through the .Net ConfigurationManager. Some environments do not support it, so NHibernate provides a way to set a custom configuration provider, through the NHibernate.Cfg.ConfigurationProvider.Current property.
