[GitHub] [incubator-iotdb] jt2594838 commented on a change in pull request #466: [IOTDB-208] Bloom filter

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jt2594838 commented on a change in pull request #466: [IOTDB-208] Bloom filter
URL: https://github.com/apache/incubator-iotdb/pull/466#discussion_r337381247
 
 

 ##########
 File path: tsfile/src/main/java/org/apache/iotdb/tsfile/utils/BloomFilter.java
 ##########
 @@ -0,0 +1,136 @@
+/*
+ * 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.iotdb.tsfile.utils;
+
+import java.util.BitSet;
+
+public class BloomFilter {
+
+  private static final int MINIMAL_SIZE = 256;
+  private static final int MAXIMAL_HASH_FUNCTION_SIZE = 8;
+  private static final int[] seeds = new int[]{5, 7, 11, 19, 31, 37, 43, 59};
 
 Review comment:
   seeds -> SEEDS

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