Github user grkvlt commented on a diff in the pull request:
https://github.com/apache/brooklyn-server/pull/605#discussion_r108466870
--- Diff:
core/src/main/java/org/apache/brooklyn/core/effector/composite/AbstractCompositeEffector.java
---
@@ -0,0 +1,184 @@
+/*
+ * 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 org.apache.brooklyn.core.effector.composite;
+
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.brooklyn.api.effector.Effector;
+import org.apache.brooklyn.api.entity.Entity;
+import org.apache.brooklyn.api.entity.EntityLocal;
+import org.apache.brooklyn.core.effector.AddEffector;
+import org.apache.brooklyn.core.effector.EffectorBody;
+import org.apache.brooklyn.util.collections.CollectionFunctionals;
+import org.apache.brooklyn.util.core.config.ConfigBag;
+import org.apache.brooklyn.util.guava.Maybe;
+import org.apache.brooklyn.util.text.Strings;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.annotations.Beta;
+import com.google.common.collect.Iterables;
+
+@Beta
+public abstract class AbstractCompositeEffector extends AddEffector {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(AbstractCompositeEffector.class);
+
+ public AbstractCompositeEffector(Effector<?> effector) {
+ super(effector);
+ }
+
+ @Override
+ public void apply(EntityLocal entity) {
+ Maybe<Effector<?>> effectorMaybe =
entity.getEntityType().getEffectorByName(effector.getName());
+ if (!effectorMaybe.isAbsentOrNull()) {
+// Effector<?> original =
Effectors.effector(effectorMaybe.get()).name(ORIGINAL_PREFIX +
effector.getName()).build();
+// ((EntityInternal)
entity).getMutableEntityType().addEffector(original);
+ }
+ super.apply(entity);
+ }
+
+ protected static abstract class Body<T> extends EffectorBody<T> {
+ protected final Effector<?> effector;
+ protected final ConfigBag params;
+
+ public Body(Effector<?> eff, ConfigBag params) {
+ this.effector = eff;
+ this.params = params;
+ }
+
+ @Override
+ public abstract T call(final ConfigBag params);
+
+ protected String getEffectorName(Object effectorDetails) {
+ String effectorName = null;
+ if (effectorDetails instanceof String) {
+ effectorName = (String) effectorDetails;
+ } else if (effectorDetails instanceof Map) {
+ Map<String,Object> effectorMap = (Map) effectorDetails;
+ Set<String> keys = effectorMap.keySet();
+ if (keys.size() != 1) {
+ throw new IllegalArgumentException("Effector parameter
cannot be parsed: " + effectorDetails);
+ }
+ effectorName = Iterables.getOnlyElement(keys);
+ } else {
--- End diff --
But why would they do that? They would be creating a list of lists, as in
the third option below, and if someone does that, then I'm happy for things to
just break...
```YAML
compose:
- name1 # string
- name2: # map
key: value
- [ whyWouldYouDoThis ] # list
```
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