Grails manual transaction

GORM continued to separate the GORM API from the Grails core APIs and was the first version to be support standalone execution outside of Grails. With this setting the session would be flushed with or without the presence of a transaction and before every query. Description. By default services have automatic transaction management such as propagation and so on. By setting transactional to false you disable automatic Spring managed transaction demarcation for every method in the service. When set to the true, The propagation level of the transaction is by default set to PROPAGATION_REQUIRED.. You can also configure services using Spring's. Browse previous versions' documentation since Grails Single Page - User Guide.

MongoDB (from "humongous") is a scalable, high-performance, open source, document-oriented database. This project aims to provide an object-mapping layer on top of Mongo to ease common activities such as: Marshalling from Mongo to Groovy/Java types and back again. Support for GORM dynamic finders, criteria and named queries. Hibernate Query Language (HQL) GORM classes also support Hibernate’s query language HQL, a very complete reference for which can be found in the Hibernate documentation of the Hibernate documentation. GORM provides a number of methods that work with HQL including find, findAll and executeQuery. 1 Answer1. Show activity on this post. Your service needs to be transactional (put grails @Transactional annotation on top of the service class), then you don't need to try/catch. Any RuntimeException thrown from the method will trigger a transaction rollback.

Khor AP Perhaps most importantly, Grails uses Spring's transaction management. With plain Spring, you would configure them manually. Behind the scenes, the Hibernate Session wraps a JDBC www.doorway.rution and acts as a factory for www.doorway.ruction instances. This class describes the usage of www.doorway.ru MANUAL, which needs to allow flushing within the transaction.