table-data-gateway

What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DAO) and Repository patterns?

由 ≯℡__Kan透↙ 提交于 2019-12-17 10:14:09
问题 I'm trying to brush up on my design pattern skills, and I'm curious what are the differences between these patterns? All of them seem like they are the same thing - encapsulate the database logic for a specific entity so the calling code has no knowledge of the underlying persistence layer. From my brief research all of them typically implement your standard CRUD methods and abstract away the database-specific details. Apart from naming conventions (e.g. CustomerMapper vs. CustomerDAO vs.

Doing inserts with zend 2's tableGateway

由 元气小坏坏 提交于 2019-12-11 17:26:19
问题 I using zf2's tableGateway and I'm unsure of the design it leads to. Here is the canonical example of how to use zf2's tableGateway to do an insert (this from the docs): public function saveAlbum(Album $album) { $data = array( 'artist' => $album->artist, 'title' => $album->title, ); $id = (int)$album->id; if ($id == 0) { $this->tableGateway->insert($data); } else { if ($this->getAlbum($id)) { $this->tableGateway->update($data, array('id' => $id)); } else { throw new \Exception('Form id does

What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DAO) and Repository patterns?

由 我怕爱的太早我们不能终老 提交于 2019-11-27 05:45:56
I'm trying to brush up on my design pattern skills, and I'm curious what are the differences between these patterns? All of them seem like they are the same thing - encapsulate the database logic for a specific entity so the calling code has no knowledge of the underlying persistence layer. From my brief research all of them typically implement your standard CRUD methods and abstract away the database-specific details. Apart from naming conventions (e.g. CustomerMapper vs. CustomerDAO vs. CustomerGateway vs. CustomerRepository), what is the difference, if any? If there is a difference, when
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