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How is persistence context used in persistence context?
In the persistence context for any persistent entity identity, there will be a unique entity instance. If we try to persist another entity with the same identifier: Extended persistence context within a transaction saves the entity in persistent storage at the end of the transaction:
How does persistence context work in JPA / hibernate?
It sits between our application and persistent storage. Persistence context keeps track of any changes made into a managed entity. If anything changes during a transaction, then the entity is marked as dirty. When the transaction completes, these changes are flushed into persistent storage.
How to use context injection in simple.net?
This feature allows you to group the shared state in context classes, and inject them into every binding class that needs access to that shared state. To use context injection: Create your POCOs (simple .NET classes) representing the shared data. Define them as constructor parameters in every binding class that requires them.
When to use extended persistence context in EntityManager?
An extended persistence context can span across multiple transactions. We can persist the entity without the transaction but cannot flush it without a transaction. To tell EntityManager to use extended-scoped persistence context, we need to apply the type attribute of @PersistenceContext:
How are Lightning components built in Lightning app builder?
The Lightning page’s template divides the page into regions. A Lightning component is a compact, configurable, and reusable element that you can add to a Lightning page in the Lightning App Builder. Standard Components – Standard components are Lightning components built by Salesforce.
How to create lightning components in Visualforce with lightning out?
You can compose components on a Visualforce page, and integrate between components and/or the page on the client with JavaScript and Lightning Events. You can create new components in Lightning to add functionality to existing Visualforce pages.
What’s a key benefit of lightning apps for your users?
1 What’s a key benefit of Lightning apps for your users? . Users can create records and access recent records and lists directly from the navigation bar. . It’s easy to switch contexts with the App Launcher. . Lightning apps give users access to the items, objects, and pages they need most.