Java Virtal Machine.net

[ News ] rss

February 01, 2011

Mark Wielaard: New GPG key. Finally created a new GPG key using gnupg. The old one was a DSA/1024 bits one and 8 years old. The new one is a RSA/2048 bits one. I will use the new one in the future to sign any release tarballs I might create. pub 2048R/57816A6A 2011-01-29 Key f...

More »

February 01, 2011

Andrew Hughes: [SECURITY] IcedTea6 1.7.8, 1.8.5, 1.9.5 Released!. We are pleased to announce a new set of security releases, IcedTea6 1.7.8, IcedTea6 1.8.5 and IcedTea6 1.9.5. This update contains the following security updates: The IcedTea project provides a harness to build the source code from OpenJDK6 u...

More »

May/2017
SunMonTueWedThuFriSat
 123456
78910111213
14151617181920
2122 2324252627
28293031   

[ Archives News
for 'Java Technology' ]

home > news > java technology > another example of as(...) used for easily extensible apis

Another example of as(...) used for easily extensible APIs

Here's another simple example of how the as(...) idiom can be used for create an API which is stable, elegant, but extensible (this time unrelated to any semantic stuff). Up to a few days ago, I had the following interface in the GeoCoding API of forceTen: public interface GeoCoderEntity extends Comparable, Serializable, As, Lookup.Provider   {     public enum Type       {          ...       };     @Nonnull     public String getId();         @Nonnull     public Coordinate getCoordinate();         @Nonnull     public String getCode();         @Nonnull     public String getTypeAsString();     @Nonnull     public Type getType();     @Nonnull     public Collection findAllChildren();         @Nonnull     public GeoCoderEntity getParent()       throws NotFoundException;         @Override @Nonnull     public T as (@Nonnull Class personalityType);     @Override @Nonnull     public T as (@Nonnull Class personalityType, @Nonnull NotFoundBehaviour notFoundBehaviour); &...


Date: December, 28 2009
Url: http://www.java.net/blog/fabriziogiudici/archive/2009/12/28/another-example-used-easily-extensible-apis


Others News

©2002-2017Java-Virtual-Machine.net it | best web design software | bootstrap modal popup | bootstrap forms | free website generator