Github user aledsage commented on a diff in the pull request:
https://github.com/apache/incubator-brooklyn/pull/310#discussion_r20077403
--- Diff:
software/base/src/test/java/brooklyn/management/usage/RecordingUsageListener.java
---
@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package brooklyn.management.usage;
+
+import java.util.List;
+import java.util.Map;
+
+import brooklyn.management.internal.UsageManager.UsageListener;
+import brooklyn.management.usage.ApplicationUsage.ApplicationEvent;
+import brooklyn.management.usage.LocationUsage.LocationEvent;
+import brooklyn.util.collections.MutableList;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Lists;
+
+public class RecordingUsageListener implements UsageListener {
+
+ private final List<List<?>> events = Lists.newCopyOnWriteArrayList();
+
+ protected List<List<?>> getMutableEvents() {
+ return events;
+ }
+
+ @Override
+ public void onApplicationEvent(String applicationId, String
applicationName, String entityType,
+ Map<String, String> metadata, ApplicationEvent event) {
+ getMutableEvents().add(MutableList.of("application",
applicationId, applicationName, entityType, metadata, event));
--- End diff --
It was for another test to sub-class it, so that the `getMutableEvents()`
returns a `static` events field. Thus we could test the instance that was
created reflectively (whose class was defined in `brooklyn.properties`).
I've changed this for the static instance to just record a reference to the
listener instances, rather than relying on `getMutableEvents()`. The test-logic
therefore doesn't leak into the other class as much.
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