rortega.cf4j-recsys.1.1.0.source-code.Partible Maven / Gradle / Ivy

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A Java's Collaborative Filtering library to carry out experiments in research of Collaborative Filtering based Recommender Systems. The library has been designed from researchers to researchers.

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package cf4j;

/**
 * This interface has three methods:
 * 
 * 		beforeRun: is executed once before execute the method 'run'. It can be
 * 		used to initialize resources.
 * 		run: is executed once for each test element. Depending on how the 
 * 		class is called from Processor, test elements will be users or items.
 * 		afterRun: is executed once after execute the method run. It can be
 * 		used to close resources.
 * 
 * 
 * @see TestUsersPartible
 * @see TestItemsPartible
 * 
 * @author Fernando Ortega
 */
public abstract interface Partible {

	/**
	 * Is executed once before execute the method 'run'. It can be used to initialize 
	 * resources.
	 */
	public void beforeRun ();

	/**
	 * Is executed once for each test element.
	 * @param index Index of the test element.
	 */
	public abstract void run (int index);

	/**
	 * Is executed once after execute the method run. It can be used to close 
	 * resources.
	 */
	public void afterRun ();
}