Github user robertgmoss commented on a diff in the pull request:
https://github.com/apache/incubator-brooklyn/pull/911#discussion_r39991054
--- Diff: api/src/main/java/org/apache/brooklyn/api/entity/Entity.java ---
@@ -314,4 +361,80 @@
*/
<T> void emit(Sensor<T> sensor, T value);
}
+
+ @Beta
+ public interface PolicySupport {
+ /**
+ * @return an immutable thread-safe view of the policies.
+ */
+ Collection<Policy> getPolicies();
+
+ /**
+ * Adds the given policy to this entity. Also calls
policy.setEntity if available.
+ */
+ void addPolicy(Policy policy);
+
+ /**
+ * Adds the given policy to this entity. Also calls
policy.setEntity if available.
+ */
+ <T extends Policy> T addPolicy(PolicySpec<T> enricher);
+
+ /**
+ * Removes the given policy from this entity.
+ * @return True if the policy existed at this entity; false
otherwise
+ */
+ boolean removePolicy(Policy policy);
+ }
+
+ @Beta
+ public interface EnricherSupport {
+ /**
+ * @return an immutable thread-safe view of the enrichers.
+ */
+ Collection<Enricher> getEnrichers();
+
+ /**
+ * Adds the given enricher to this entity. Also calls
enricher.setEntity if available.
+ */
+ void addEnricher(Enricher enricher);
+
+ /**
+ * Adds the given enricher to this entity. Also calls
enricher.setEntity if available.
+ */
+ <T extends Enricher> T addEnricher(EnricherSpec<T> enricher);
+
+ /**
+ * Removes the given enricher from this entity.
+ * @return True if the policy enricher at this entity; false
otherwise
+ */
+ boolean removeEnricher(Enricher enricher);
+ }
+
+ @Beta
+ public interface GroupSupport {
--- End diff --
Something like `public interface AdjunctSupport<T extends EntityAdjunct>
extends Iterable<T> ` with
`iterator()`, `add()`, and `remove()` with `public interface
EnricherSupport extends AdjunctSupport<Enricher>` perhaps?
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