org.apache.hadoop.io

枚举 SequenceFile.CompressionType

java.lang.Object

java.lang.Enum<SequenceFile.CompressionType>

org.apache.hadoop.io.SequenceFile.CompressionType

所有已实现的接口:

Serializable, Comparable<SequenceFile.CompressionType>

封闭类:

SequenceFile

public static enum SequenceFile.CompressionType
extends Enum<SequenceFile.CompressionType>

The compression type used to compress key/value pairs in the SequenceFile.

另请参阅:

SequenceFile.Writer

枚举常量概要

枚举常量

枚举常量和说明
BLOCK Compress sequences of records together in blocks.
NONE Do not compress records.
RECORD Compress values only, each separately.

方法概要

方法

限定符和类型	方法和说明
static SequenceFile.CompressionType	valueOf(String name) 返回带有指定名称的该类型的枚举常量。
static SequenceFile.CompressionType[]	values() 按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。

从类继承的方法 java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

从类继承的方法 java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

枚举常量详细资料

NONE

public static final SequenceFile.CompressionType NONE

Do not compress records.

RECORD

public static final SequenceFile.CompressionType RECORD

Compress values only, each separately.

BLOCK

public static final SequenceFile.CompressionType BLOCK

Compress sequences of records together in blocks.

方法详细资料

values

public static SequenceFile.CompressionType[] values()

按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。该方法可用于迭代 常量, 如下所示:

for (SequenceFile.CompressionType c : SequenceFile.CompressionType.values())
    System.out.println(c);

valueOf

public static SequenceFile.CompressionType valueOf(String name)

返回带有指定名称的该类型的枚举常量。 字符串必须与用于声明该类型的枚举常量的 标识符完全匹配。(不允许有多余 的空格字符。)

参数:

name - 要返回的枚举常量的名称。