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Hendy Irawan

Java Persistence/Caching - Wikibooks, open books for an open world - 0 views

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    Caching is the most important performance optimization technique. There are many things that can be cached in persistence, objects, data, database connections, database statements, query results, meta-data, relationships, to name a few. Caching in object persistence normally refers to the caching of objects or their data. Caching also influences object identity, that is that if you read an object, then read the same object again you should get the identical object back (same reference). JPA 1.0 does not define a shared object cache, JPA providers can support a shared object cache or not, however most do. Caching in JPA is required with-in a transaction or within an extended persistence context to preserve object identity, but JPA does not require that caching be supported across transactions or persistence contexts. JPA 2.0 defines the concept of a shared cache. The @Cacheable annotation or cacheable XML attribute can be used to enable or disable caching on a class.
mahesh 1234

Hibernate Tutorial - javatpoint - 0 views

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    Hibernate Tutorial. In this hibernate tutorial, we will learn basics of hibernate, inheritance mapping, collection mapping, component mapping, HQL, HCQL, Named Query, Caching and Integration of Hibernate with other frameworks.
Hendy Irawan

morphia - A type-safe java library for MongoDB - Google Project Hosting - 0 views

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    "Morphia is a lightweight type-safe library for mapping Java objects to/from MongoDB: Easy to use, and very lightweight; reflection is used once per type and cached for good performance. Datastore and DAO access abstractions, or roll your own... Type-safe, and Fluent Query support with (runtime) validation Annotations based mapping behavior; there are no XML files. Extensions: Validation (jsr303), and SLF4J Logging"
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