Github user chenerlu commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/877#discussion_r115917852
--- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/impl/safe/SafeBitMapDimensionDataChunkStore.java ---
@@ -0,0 +1,213 @@
+/*
+ * 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.datastore.chunk.store.impl.safe;
+
+import java.util.BitSet;
+import java.util.List;
+
+import org.apache.carbondata.core.scan.filter.executer.AbstractFilterExecuter.FilterOperator;
+import org.apache.carbondata.core.util.BitSetGroup;
+import org.apache.carbondata.core.util.ByteUtil;
+import org.apache.carbondata.core.util.CarbonUtil;
+
+/**
+ * Below class will be used to store bitmap dimension data
+ */
+public class SafeBitMapDimensionDataChunkStore extends SafeAbsractDimensionDataChunkStore {
+
+ /**
+ * Size of each value
+ */
+ private int columnValueSize;
+ private byte[][] bitmap_encoded_dictionaries;
+ private int[] bitmap_data_pages_offset;
+ private BitSetGroup bitSetGroup;
+ private boolean isGeneratedBitSetFlg = false;
+ private byte[] dictionaryData;
+
+ public SafeBitMapDimensionDataChunkStore(List<Integer> bitmap_encoded_dictionaries,
+ List<Integer> bitmap_data_pages_length, int columnValueSize) {
+ super(false);
+ this.columnValueSize = columnValueSize;
+ int arraySize = bitmap_encoded_dictionaries.size();
+ this.bitmap_encoded_dictionaries = new byte[arraySize][];
+ this.bitmap_data_pages_offset = new int[bitmap_data_pages_length.size()];
+ for (int i = 0; i < arraySize; i++) {
+ this.bitmap_encoded_dictionaries[i] = ByteUtil
+ .convertIntToByteArray(bitmap_encoded_dictionaries.get(i), columnValueSize);
+ this.bitmap_data_pages_offset[i] = bitmap_data_pages_length.get(i);
+ }
+ this.bitmap_data_pages_offset[arraySize] = bitmap_data_pages_length.get(arraySize);
+
--- End diff --
delete spaceline
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