fluent interface : Java Glossary

by Roedy Green ©1996-2009 Canadian Mind Products
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fluent interface

A technique for handling a constructor with a great many parameters. You chain together setter methods that return the object. This gives the effect of keyword=value. The catch is, the constructor can’t ensure consistency before the object is constructed.

// typical use of a fluent style construction
private void makeFluent( Customer customer )
   {
   customer.newOrder()
        .with( 6, "TAL" )
        .with( 5, "HPK" ).skippable()
        .with( 3, "LGV" )
        .priorityRush();
   }

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