Using discriminator in hibernate download

A discriminator is a key to uniquely identify the base type of the class hierarchy. If the discriminatorvalue annotation is not specified and a discriminator column is used, a providerspecific function will be used to generate a value representing the entity type. At minimum we need to know the column to use for discrimination. Hibernate table per hierarchy example using xml file with one to one, many to one. Hibernatejpa single table inheritance example memorynotfound. The discriminator element is required for polymorphic persistence using the tableperclasshierarchy mapping strategy and declares a discriminator column of the table. Download this inheritance mapping example developed using eclipse ide. Hibernate table per class hierarchy example, inheritance mapping. This sample application demonstrates how to setup a multitenancy application using the discriminator column separation strategy on relational databases. Support for discriminatorbased multitenancy hibernate jira. In this article we will see example to implement inheritance in hibernate. Meaning the the discriminator value for this object. You can find a download link for a project with executable test cases for this.

A sample application to test spring data gosling with hibernate 5 and discriminator column separation. Here, an extra column also known as discriminator column is created in the. Example on hibernate table per class hierarchy, table per class hierarchy, hibernate. If the discriminatortype is string, the discriminator value default is the entity name. We will implement one table per class hierarchy policy using annotations and xml mapping. Hibernate example using inheritence discriminator, wrongclassexception jpa with hibernate backend. Here we will be disussing about the different inheritance strategy supported by hibernate such as single table strategy, table per class strategy and joined strategy along with their advantages and disadvantages. We will be creating code samples for each strategy and discuss about their behaviour in a great detail. Hibernate table per hierarchy using annotation tutorial example with one to one.