spark Utils 源码
spark Utils 代码
文件路径：/common/sketch/src/main/java/org/apache/spark/util/sketch/Utils.java
/*
* 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.spark.util.sketch;
import java.nio.charset.StandardCharsets;
class Utils {
public static byte[] getBytesFromUTF8String(String str) {
return str.getBytes(StandardCharsets.UTF_8);
}
public static long integralToLong(Object i) {
long longValue;
if (i instanceof Long) {
longValue = (Long) i;
} else if (i instanceof Integer) {
longValue = ((Integer) i).longValue();
} else if (i instanceof Short) {
longValue = ((Short) i).longValue();
} else if (i instanceof Byte) {
longValue = ((Byte) i).longValue();
} else {
throw new IllegalArgumentException("Unsupported data type " + i.getClass().getName());
}
return longValue;
}
}
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