@InterfaceAudience.Public @InterfaceStability.Evolving public final class Utils extends Object
| Modifier and Type | Method and Description | 
|---|---|
| static <T> int | lowerBound(List<? extends Comparable<? super T>> list,
          T key)Lower bound binary search. | 
| static <T> int | lowerBound(List<? extends T> list,
          T key,
          Comparator<? super T> cmp)Lower bound binary search. | 
| static String | readString(DataInput in)Read a String as a VInt n, followed by n Bytes in Text format. | 
| static int | readVInt(DataInput in)Decoding the variable-length integer. | 
| static long | readVLong(DataInput in)Decoding the variable-length integer. | 
| static <T> int | upperBound(List<? extends Comparable<? super T>> list,
          T key)Upper bound binary search. | 
| static <T> int | upperBound(List<? extends T> list,
          T key,
          Comparator<? super T> cmp)Upper bound binary search. | 
| static void | writeString(DataOutput out,
           String s)Write a String as a VInt n, followed by n Bytes as in Text format. | 
| static void | writeVInt(DataOutput out,
         int n)Encoding an integer into a variable-length encoding format. | 
| static void | writeVLong(DataOutput out,
          long n)Encoding a Long integer into a variable-length encoding format. | 
public static void writeVInt(DataOutput out, int n) throws IOException
Utils#writeVLong(out, n).out - output streamn - The integer to be encodedIOException - raised on errors performing I/O.writeVLong(DataOutput, long)public static void writeVLong(DataOutput out, long n) throws IOException
out - output streamn - the integer numberIOException - raised on errors performing I/O.public static int readVInt(DataInput in) throws IOException
(int)Utils#readVLong(in).in - input streamIOException - raised on errors performing I/O.readVLong(DataInput)public static long readVLong(DataInput in) throws IOException
in - input streamIOException - raised on errors performing I/O.public static void writeString(DataOutput out, String s) throws IOException
out - out.s - s.IOException - raised on errors performing I/O.public static String readString(DataInput in) throws IOException
in - The input stream.IOException - raised on errors performing I/O.public static <T> int lowerBound(List<? extends T> list, T key, Comparator<? super T> cmp)
T - Type of the input key.list - The listkey - The input key.cmp - Comparator for the key.public static <T> int upperBound(List<? extends T> list, T key, Comparator<? super T> cmp)
T - Type of the input key.list - The listkey - The input key.cmp - Comparator for the key.public static <T> int lowerBound(List<? extends Comparable<? super T>> list, T key)
T - Type of the input key.list - The listkey - The input key.public static <T> int upperBound(List<? extends Comparable<? super T>> list, T key)
T - Type of the input key.list - The listkey - The input key.Copyright © 2023 Apache Software Foundation. All rights reserved.