Mind DiaryORM

Hibernate generator classes

Lijin — Wed, 09 Jul 2008 13:10:39 +0000

Extracted from Hibernate online official tutorials In Hibernate the optional <generator> child element names a Java class used to generate unique identifiers for instances of the persistent class. If any parameters are required to configure or initialize the generator instance, they are passed using the <param> element. <id name="id" type="long" column="cat_id">

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Advantages of Hibernate

Lijin — Fri, 19 Oct 2007 04:48:03 +0000

Caching objects. The session is a transaction-level cache of persistent objects. You may also enable a JVM-level/cluster cache to memory and/or local disk. Executing SQL statements later, when needed. The session never issues an INSERT or UPDATE until it is actually needed. So if an exception occurs and you need to abort the transaction, some statements

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'Hibernate Dialect property' for Different Databases

Lijin — Mon, 08 Jan 2007 10:04:55 +0000

Hibernate is the most common and famous ORM using these days. It has a property called “Dialect” through which we tells Hibernate that we are using ‘this specific’ database. Here in this post you can see the dialect property values which we have to give for different databases. You can read more about this from

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Commonly used Generators in 'Hibernate'

Lijin — Fri, 05 Jan 2007 06:50:18 +0000

Generator Description increment It generates identifiers of type long, short or int that are unique only when no other process is inserting data into the same table. It should not the used in the clustered environment. identity It supports identity columns in DB2, MySQL, MS SQL Server, Sybase and HypersonicSQL. The returned identifier is of type

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