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Make constants final classes instead of interfaces 

This commit prohibits implementation of the empty interface and
instantiation of the class.  Refer to _Effective Java_ item 19 for
more background.
This commit is contained in:
Andrew Gaul 2014-05-16 09:49:16 -07:00
parent f6a7bba3d6
commit c94d11f900
1 changed files with 5 additions and 1 deletions
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6
providers/google-compute-engine/src/main/java/org/jclouds/googlecomputeengine/GoogleComputeEngineConstants.java
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@ -25,7 +25,7 @@ import com.google.common.annotations.Beta;
/** /**
* @author David Alves * @author David Alves
*/ */
public interface GoogleComputeEngineConstants { public final class GoogleComputeEngineConstants {
public static final String GCE_PROVIDER_NAME = "google-compute-engine"; public static final String GCE_PROVIDER_NAME = "google-compute-engine";
@ -77,4 +77,8 @@ public interface GoogleComputeEngineConstants {
* The suffix we append to auto-created boot disk names. * The suffix we append to auto-created boot disk names.
*/ */
public static final String GCE_BOOT_DISK_SUFFIX = "boot-disk"; public static final String GCE_BOOT_DISK_SUFFIX = "boot-disk";
private GoogleComputeEngineConstants() {
throw new AssertionError("intentionally unimplemented");
}
} }