org.apache.hadoop.io.file.tfile

类 ByteArray

java.lang.Object

org.apache.hadoop.io.file.tfile.ByteArray

所有已实现的接口:

RawComparable

public final class ByteArray
extends Object
implements RawComparable

Adaptor class to wrap byte-array backed objects (including java byte array) as RawComparable objects.

构造器概要

构造器

构造器和说明
ByteArray(byte[] buffer) Wrap a whole byte array as a RawComparable.
ByteArray(byte[] buffer, int offset, int len) Wrap a partial byte array as a RawComparable.
ByteArray(BytesWritable other) Constructing a ByteArray from a BytesWritable.

方法概要

方法

限定符和类型	方法和说明
byte[]	buffer() Get the underlying byte array.
int	offset() Get the offset of the first byte in the byte array.
int	size() Get the size of the byte range in the byte array.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ByteArray

public ByteArray(BytesWritable other)

Constructing a ByteArray from a BytesWritable.

参数:

other -

ByteArray

public ByteArray(byte[] buffer)

Wrap a whole byte array as a RawComparable.

参数:

buffer - the byte array buffer.

ByteArray

public ByteArray(byte[] buffer,
         int offset,
         int len)

Wrap a partial byte array as a RawComparable.

参数:

buffer - the byte array buffer.

offset - the starting offset

len - the length of the consecutive bytes to be wrapped.

方法详细资料

buffer

public byte[] buffer()

从接口复制的说明: RawComparable

Get the underlying byte array.

指定者:

buffer 在接口中 RawComparable

返回:

the underlying buffer.

offset

public int offset()

从接口复制的说明: RawComparable

Get the offset of the first byte in the byte array.

指定者:

offset 在接口中 RawComparable

返回:

the offset in the buffer.

size

public int size()

从接口复制的说明: RawComparable

Get the size of the byte range in the byte array.

指定者:

size 在接口中 RawComparable

返回:

the size of the byte array.