My Notebook

A blog entry about running grails on Google’s App Engine. Among other things the methods that are provided by the App-Engine plugin are listed.

The added domain class MetaClass methods are:

• save
• get
• delete
• findAll
• withTransaction
• withPersistenceManager (to execute code with access to the PersistenceManager)
• isJdoPersistent, isJdoDeleted, isJdoDetached, isJdoDirty, isJdoNew, isJdoTransactional, getJdoTransactionalObjectId, getJdoVersion, getJdoObjectId, and jdoMakeDirty corresponding to the JDOHelper methods isPersistent, isDeleted, isDetached, isDirty, isNew, isTransactional, getTransactionalObjectId, getVersion, getObjectId, and makeDirty

Controllers have these attributes added to their MetaClass:

• params (with Request attributes like in Grails)
• session
• request
• response
• servletContext

Tags: Google App Engine, Grails

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