Github user sjcorbett commented on a diff in the pull request:
https://github.com/apache/incubator-brooklyn/pull/616#discussion_r29659456
--- Diff: core/src/main/java/brooklyn/entity/basic/EntityPredicates.java ---
@@ -271,9 +274,38 @@ public boolean apply(@Nullable Entity input) {
// ---------------------------
/**
+ * @param typeRegex a regular expression
+ * @return true if any of the interfaces implemented by the entity
(including those derived) match typeRegex.
+ */
+ public static Predicate<Entity> hasInterfaceMatching(String typeRegex)
{
+ return new ImplementsInterface(typeRegex);
+ }
+
+ protected static class ImplementsInterface implements
SerializablePredicate<Entity> {
+ protected final Pattern pattern;
+
+ public ImplementsInterface(String typeRegex) {
+ this.pattern = Pattern.compile(typeRegex);
+ }
+
+ @Override
+ public boolean apply(@Nullable Entity input) {
+ if (input == null) return false;
+ for (Class<?> cls :
ClassUtils.getAllInterfaces(input.getClass())) {
--- End diff --
commons-lang3 is coming from camp-base rather than core directly. I'll swap
it for Reflections.
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