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https://issues.apache.org/jira/browse/APEXMALHAR-2023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15256022#comment-15256022
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ASF GitHub Bot commented on APEXMALHAR-2023:
--------------------------------------------
Github user chinmaykolhatkar commented on a diff in the pull request:
https://github.com/apache/incubator-apex-malhar/pull/235#discussion_r60872275
--- Diff:
contrib/src/main/java/com/datatorrent/contrib/enrich/ReadOnlyBackup.java ---
@@ -0,0 +1,61 @@
+/**
+ * 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 com.datatorrent.contrib.enrich;
+
+import java.util.List;
+import java.util.Map;
+
+import org.apache.hadoop.classification.InterfaceStability;
+
+import com.datatorrent.lib.util.FieldInfo;
+
+/**
+ * ReadOnly abstract implementation of BackendLoader.
+ */
[email protected]
+public abstract class ReadOnlyBackup implements BackendLoader
+{
+ protected transient List<FieldInfo> includeFieldInfo;
+ protected transient List<FieldInfo> lookupFieldInfo;
+
+ @Override
+ public void put(Object key, Object value)
+ {
+ throw new RuntimeException("Not supported operation");
--- End diff --
UnsupportedOperationException.
> Adding Enrichment Operator to Malhar
> ------------------------------------
>
> Key: APEXMALHAR-2023
> URL: https://issues.apache.org/jira/browse/APEXMALHAR-2023
> Project: Apache Apex Malhar
> Issue Type: New Feature
> Components: adapters database
> Affects Versions: 3.3.1
> Reporter: Chinmay Kolhatkar
> Assignee: Chinmay Kolhatkar
>
> Add Enrichment Operator to Apex Malhar.
> Discussion is happening in mailing list here:
> http://mail-archives.apache.org/mod_mbox/incubator-apex-dev/201603.mbox/%3CCAKJfLDMo24-Gcvum2ZL8-0JOnE8QLryAy0Zu_R5zhMd_bsJyHw%40mail.gmail.com%3E
> Ponymail permalink:
> https://pony-poc.apache.org/thread.html/Z8t5ut5pu5vprgt
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