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https://issues.apache.org/jira/browse/CARBONDATA-299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15574290#comment-15574290
]
ASF GitHub Bot commented on CARBONDATA-299:
-------------------------------------------
Github user jackylk commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/236#discussion_r83360359
--- Diff:
core/src/main/java/org/apache/carbondata/core/devapi/BiDictionary.java ---
@@ -0,0 +1,53 @@
+/*
+ * 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.carbondata.core.devapi;
+
+public interface BiDictionary<K, V> {
--- End diff --
It mean Bidirectional, I borrow the term from Guava library.
see
[BiMap](https://github.com/google/guava/wiki/NewCollectionTypesExplained#bimap)
> 4. Add dictionary generator interfaces and give implementation for pre
> created dictionary.
> ------------------------------------------------------------------------------------------
>
> Key: CARBONDATA-299
> URL: https://issues.apache.org/jira/browse/CARBONDATA-299
> Project: CarbonData
> Issue Type: Sub-task
> Reporter: Ravindra Pesala
> Assignee: Jacky Li
> Fix For: 0.2.0-incubating
>
>
> Add dictionary generator interfaces and give implementation for pre-created
> dictionary(which is generated separetly).
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