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Simple Hibernate Example with Embedded Class

Christopher Rygaard
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Joined: Feb 22, 2014
Posts: 42
    
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Simple Embedded Class Example

This is the simplest stand-alone example of an embedded class in Hibernate that I could cook up.

This example shows how one class (MyEmbedded) is 'contained' in two other classes (ComplicatedData1 and ComplicatedData2). The trick is the Embeddable annotation on the MyEmbedded class, and the Embedded annotation on the instances of MyEmbedded.

When using embedded classes, it seems like good practice to provide a more complete column name for the instance variables in the embedded class. This will reduce the probability of a naming collision when it is embedded in another class. This is pointed out in the code comments.

Notice: This is provided with no warranty whatsoever. Use at your own risk.

This is the embedded class:

This is the first class that will have an instance of the embedded class:

This is the second class that will have an instance of the embedded class:

This is an example showing how it is used.
 
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