se.itu.systemet.storage

Class SQLBasedProductLine

java.lang.Object

se.itu.systemet.storage.SQLBasedProductLine

All Implemented Interfaces:

ProductLine

public class SQLBasedProductLine
extends Object
implements ProductLine

An implementation of ProuctLine which reads products from the database.

Method Summary

Modifier and Type	Method and Description
List<Product>	getAllProducts() Returns a list of all the products in the product line.
List<Product>	getProductsFilteredBy(Predicate<Product> predicate) Returns a List<Product> with all products of the product line that satisfies the predicate.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getProductsFilteredBy

public List<Product> getProductsFilteredBy(Predicate<Product> predicate)

Description copied from interface: ProductLine

Returns a List<Product> with all products of the product line that satisfies the predicate.

Typical usage:

 ProductLine productLine = ProductLineFactory.getProductLine();
 List products = productLine.getAllProducts();
 List strongStuff = productLine.getProductsFilteredBy(p -> p.alcohol() > 70.0);
 

Which filters out all Products with an alcohol level over 70.0%

Specified by:

getProductsFilteredBy in interface ProductLine

Parameters:

predicate - A Predicate with the criteria for the products to return

Returns:

A List<Product> with all the Products that match the predicate

getAllProducts

public List<Product> getAllProducts()

Description copied from interface: ProductLine

Returns a list of all the products in the product line.

Specified by:

getAllProducts in interface ProductLine

Returns:

A List<Product> with all the Products in the product line.