Data access object: Difference between revisions

Revision as of 16:08, 27 March 2018

Revision as of 12:41, 31 March 2018

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In the non specific context of the [[Java (programming language)|Java]] programming language, Data Access Objects as a design concept can be implemented in a number of ways. This can range from a fairly simple interface that separates the data access parts from the application logic, to frameworks and commercial products.

DAO coding paradigms can require some skill. Technologies like [[Java Persistence API]] and [[Enterprise JavaBeans]] come built into application servers and can be used in applications that use a JavaEE application server. Commercial products like [[TopLink]] are available based on [[Objectobject-relational mapping]] (ORM). Popular open source ORM productssoftware include [[Doctrine (PHP)|Doctrine]], [[Hibernate (Java)|Hibernate]], [[iBATIS]] and JPA implementations such as [[Apache OpenJPA]].

== Disadvantages ==