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=== Data layer ===
The data layer is responsible for database access, storage and providing a common data interface to the business layer. Data is accessed not in [[object oriented]] fashion but in a [[Relational database|relational]] way. Each [[Entity class|entity]] (represented as a row in the database) is provided to the business layer as a set of generic values. A generic value is not typed, so fields of an entity are accessed by the [[Column (database)|column]] name.
=== Key Integrations ===
Apache Solr is an enterprise search server with a REST-like API. It's highly scalable, adaptable, comprehensive, and capable of processing and handling large amounts of data. The Apache Solr / OFBiz integration not only speeds up searches, but also greatly enhances the search capabilities of OFBiz. Solr also added faceted and hierarchical search capabilities to OFBiz.
REST offers several advantages that make it a preferred choice for building and consuming web services particularly utilizing micro services architecture. The greatest benefit is the support for headless architecture.
Gradle, though it's a separate tool outside of OFBiz, this development is nonetheless significant because it simplifies the maintenance and upgrade of OFBiz dependencies on external libraries, which makes it easier to keep the system up to date and secure.
== History ==
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