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BloomFilterUtf8.java
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56 lines (48 loc) · 1.6 KB
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/*
* 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.orc.util;
import java.nio.charset.StandardCharsets;
/**
* This class represents the fix from ORC-101 where we fixed the bloom filter
* from using the JVM's default character set to always using UTF-8.
* @since 1.3.0
*/
public class BloomFilterUtf8 extends BloomFilter {
public BloomFilterUtf8(long expectedEntries, double fpp) {
super(expectedEntries, fpp);
}
public BloomFilterUtf8(long[] bits, int numFuncs) {
super(bits, numFuncs);
}
@Override
public void addString(String val) {
if (val == null) {
add(null);
} else {
add(val.getBytes(StandardCharsets.UTF_8));
}
}
@Override
public boolean testString(String val) {
if (val == null) {
return test(null);
} else {
return test(val.getBytes(StandardCharsets.UTF_8));
}
}
}