类 org.apache.hadoop.io.SequenceFile.Metadata
的使用

使用SequenceFile.Metadata的程序包

程序包	说明
org.apache.hadoop.io	Generic i/o code for use when reading and writing data to the network, to databases, and to files.

org.apache.hadoop.io中SequenceFile.Metadata的使用

返回SequenceFile.Metadata的org.apache.hadoop.io中的方法

限定符和类型	方法和说明
SequenceFile.Metadata	SequenceFile.Reader.getMetadata() Returns the metadata object of the file

参数类型为SequenceFile.Metadata的org.apache.hadoop.io中的方法

限定符和类型	方法和说明
static SequenceFile.Writer	SequenceFile.createWriter(Configuration conf, FSDataOutputStream out, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec, SequenceFile.Metadata metadata) Construct the preferred type of 'raw' SequenceFile Writer.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, int bufferSize, short replication, long blockSize, boolean createParent, SequenceFile.CompressionType compressionType, CompressionCodec codec, SequenceFile.Metadata metadata) Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, int bufferSize, short replication, long blockSize, SequenceFile.CompressionType compressionType, CompressionCodec codec, Progressable progress, SequenceFile.Metadata metadata) Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec, Progressable progress, SequenceFile.Metadata metadata) Construct the preferred type of SequenceFile Writer.
boolean	SequenceFile.Metadata.equals(SequenceFile.Metadata other)

参数类型为SequenceFile.Metadata的org.apache.hadoop.io中的构造器

构造器和说明
SequenceFile.Writer(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, int bufferSize, short replication, long blockSize, Progressable progress, SequenceFile.Metadata metadata) Create the named file with write-progress reporter.
SequenceFile.Writer(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, Progressable progress, SequenceFile.Metadata metadata) Create the named file with write-progress reporter.