org.apache.hadoop.io

类 ArrayFile.Writer

java.lang.Object

org.apache.hadoop.io.MapFile.Writer

org.apache.hadoop.io.ArrayFile.Writer

所有已实现的接口:

Closeable, AutoCloseable

封闭类:

ArrayFile

public static class ArrayFile.Writer
extends MapFile.Writer

Write a new array file.

构造器概要

构造器

构造器和说明
ArrayFile.Writer(Configuration conf, FileSystem fs, String file, Class<? extends Writable> valClass) Create the named file for values of the named class.
ArrayFile.Writer(Configuration conf, FileSystem fs, String file, Class<? extends Writable> valClass, SequenceFile.CompressionType compress, Progressable progress) Create the named file for values of the named class.

方法概要

方法

限定符和类型	方法和说明
void	append(Writable value) Append a value to the file.

从类继承的方法 org.apache.hadoop.io.MapFile.Writer

append, close, getIndexInterval, setIndexInterval, setIndexInterval

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

ArrayFile.Writer

public ArrayFile.Writer(Configuration conf,
                FileSystem fs,
                String file,
                Class<? extends Writable> valClass)
                 throws IOException

Create the named file for values of the named class.

抛出:

IOException

ArrayFile.Writer

public ArrayFile.Writer(Configuration conf,
                FileSystem fs,
                String file,
                Class<? extends Writable> valClass,
                SequenceFile.CompressionType compress,
                Progressable progress)
                 throws IOException

Create the named file for values of the named class.

抛出:

IOException

方法详细资料

append

public void append(Writable value)
            throws IOException

Append a value to the file.

抛出:

IOException