Github user cestella commented on a diff in the pull request:
https://github.com/apache/metron/pull/940#discussion_r172369461
--- Diff:
metron-platform/metron-enrichment/src/main/java/org/apache/metron/enrichment/parallel/EnrichmentStrategies.java
---
@@ -0,0 +1,79 @@
+/**
+ * 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.metron.enrichment.parallel;
+
+import org.apache.metron.common.Constants;
+import
org.apache.metron.common.configuration.enrichment.SensorEnrichmentConfig;
+import
org.apache.metron.common.configuration.enrichment.handler.ConfigHandler;
+import org.apache.metron.enrichment.bolt.CacheKey;
+import org.json.simple.JSONObject;
+import org.slf4j.Logger;
+
+import java.util.Map;
+import java.util.concurrent.Executor;
+
+public enum EnrichmentStrategies implements Strategy {
--- End diff --
This is a strategy pattern using an enum. The purpose of this class is to
resolve the specific strategies possible. It's broadly in line with other
strategy patterns (e.g. Extractors).
---
