Github user dhatchayani commented on a diff in the pull request: https://github.com/apache/carbondata/pull/2134#discussion_r181629972 --- Diff: core/src/main/java/org/apache/carbondata/core/datamap/dev/CacheableDataMap.java --- @@ -0,0 +1,47 @@ +/* + * 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.datamap.dev; + +import java.io.IOException; +import java.util.List; + +import org.apache.carbondata.core.datamap.DataMapDistributable; +import org.apache.carbondata.core.memory.MemoryException; + +/** + * Interface for data map caching + */ +public interface CacheableDataMap { --- End diff -- BlockletDataMap is already cached. As our cache is of closed structure, this is exposed to put the cacheable entry to cache.
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