Passive data structure: Difference between revisions

Revision as of 01:45, 7 December 2016

Revision as of 15:33, 9 December 2016

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In [[Java (programming language)|Java]], some developers consider that the PDS concept corresponds to a class with public data members and no methods (Java Code Conventions 10.1),<ref name=Oracle>{{cite web|url=http://www.oracle.com/technetwork/java/codeconventions-137265.html#177 |accessdate=6 December 2016 |title=Java Code Conventions 10.1 |publisher=Oracle}}</ref> i.e., a [[data transfer object]].<ref>{{cite web|url=http://www.oracle.com/technetwork/java/codeconventions-137265.html#177 |title=Java Language Data Structures |accessdate=6 December 2016 |publisher=Sun/Oracle Code Conventions |date=April 20, 1999}}</ref> Others would also include [[Plain Old Java Object]]s (POJOs), a class that has methods but only getters and setters, with no logic, and [[Java Beans]] to fall under the PDS concept if they do not use event handling and do not implement added methods beyond getters and setters.{{Citation needed|date=February 2010}} However, POJOs and Java Beans have [[Encapsulation (computer programming)|encapsulation]], and so violate the fundamental definition of PDS.

==In other languages==

In [[PHP]], associated arrays and stdClass objects can be considered PDS.