| Package | Description | 
|---|---|
| org.apache.hadoop.fs | Implementations of  AbstractFileSystemfor hdfs
    over rpc and hdfs over web. | 
| org.apache.hadoop.fs.impl | This package contains implementation classes for use inside
 filesystems. | 
| 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.mapreduce.v2.hs | 
| Modifier and Type | Method and Description | 
|---|---|
| static FileContext | FileContext. getFileContext()Create a FileContext using the default config read from the
 $HADOOP_CONFIG/core.xml, Unspecified key-values for config are defaulted
 from core-defaults.xml in the release jar. | 
| protected static FileContext | FileContext. getFileContext(AbstractFileSystem defaultFS)Create a FileContext for specified file system using the default config. | 
| static FileContext | FileContext. getFileContext(AbstractFileSystem defFS,
              Configuration aConf)Create a FileContext with specified FS as default using the specified
 config. | 
| static FileContext | FileContext. getFileContext(Configuration aConf)Create a FileContext using the passed config. | 
| static FileContext | FileContext. getFileContext(URI defaultFsUri)Create a FileContext for specified URI using the default config. | 
| static FileContext | FileContext. getFileContext(URI defaultFsUri,
              Configuration aConf)Create a FileContext for specified default URI using the specified config. | 
| static FileContext | FileContext. getLocalFSFileContext() | 
| static FileContext | FileContext. getLocalFSFileContext(Configuration aConf) | 
| static FileContext | FileUtil. write(FileContext fileContext,
     Path path,
     byte[] bytes)Writes bytes to a file. | 
| static FileContext | FileUtil. write(FileContext fileContext,
     Path path,
     CharSequence charseq)Write a line of text to a file. | 
| static FileContext | FileUtil. write(FileContext fs,
     Path path,
     CharSequence charseq,
     Charset cs)Write a line of text to a file. | 
| static FileContext | FileUtil. write(FileContext fileContext,
     Path path,
     Iterable<? extends CharSequence> lines,
     Charset cs)Write lines of text to a file. | 
| Modifier and Type | Method and Description | 
|---|---|
| static FileContext | FileUtil. write(FileContext fileContext,
     Path path,
     byte[] bytes)Writes bytes to a file. | 
| static FileContext | FileUtil. write(FileContext fileContext,
     Path path,
     CharSequence charseq)Write a line of text to a file. | 
| static FileContext | FileUtil. write(FileContext fs,
     Path path,
     CharSequence charseq,
     Charset cs)Write a line of text to a file. | 
| static FileContext | FileUtil. write(FileContext fileContext,
     Path path,
     Iterable<? extends CharSequence> lines,
     Charset cs)Write lines of text to a file. | 
| Constructor and Description | 
|---|
| AvroFSInput(FileContext fc,
           Path p)Construct given a  FileContextand aPath. | 
| Constructor and Description | 
|---|
| FutureDataInputStreamBuilderImpl(FileContext fc,
                                Path path)Construct from a  FileContext. | 
| MultipartUploaderBuilderImpl(FileContext fc,
                            Path p)Construct from a  FileContext. | 
| Modifier and Type | Method and Description | 
|---|---|
| static org.apache.hadoop.io.SequenceFile.Writer | SequenceFile. createWriter(FileContext fc,
            Configuration conf,
            Path name,
            Class keyClass,
            Class valClass,
            org.apache.hadoop.io.SequenceFile.CompressionType compressionType,
            CompressionCodec codec,
            org.apache.hadoop.io.SequenceFile.Metadata metadata,
            EnumSet<CreateFlag> createFlag,
            org.apache.hadoop.fs.Options.CreateOpts... opts)Construct the preferred type of SequenceFile Writer. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected static List<FileStatus> | HistoryFileManager. scanDirectory(Path path,
             FileContext fc,
             PathFilter pathFilter) | 
| protected List<FileStatus> | HistoryFileManager. scanDirectoryForHistoryFiles(Path path,
                            FileContext fc) | 
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