Uses of Class
org.apache.hadoop.io.WritableComparator

Packages that use WritableComparator
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.record (DEPRECATED) Hadoop record I/O contains classes and a record description language translator for simplifying serialization and deserialization of records in a language-neutral manner. 
 

Uses of WritableComparator in org.apache.hadoop.io
 

Subclasses of WritableComparator in org.apache.hadoop.io
static class BooleanWritable.Comparator
          A Comparator optimized for BooleanWritable.
static class BytesWritable.Comparator
          A Comparator optimized for BytesWritable.
static class ByteWritable.Comparator
          A Comparator optimized for ByteWritable.
static class DoubleWritable.Comparator
          A Comparator optimized for DoubleWritable.
static class FloatWritable.Comparator
          A Comparator optimized for FloatWritable.
static class IntWritable.Comparator
          A Comparator optimized for IntWritable.
static class LongWritable.Comparator
          A Comparator optimized for LongWritable.
static class LongWritable.DecreasingComparator
          A decreasing Comparator optimized for LongWritable.
static class MD5Hash.Comparator
          A WritableComparator optimized for MD5Hash keys.
static class NullWritable.Comparator
          A Comparator "optimized" for NullWritable.
static class Text.Comparator
          A WritableComparator optimized for Text keys.
static class UTF8.Comparator
          Deprecated. A WritableComparator optimized for UTF8 keys.
 

Methods in org.apache.hadoop.io that return WritableComparator
static WritableComparator WritableComparator.get(Class<? extends WritableComparable> c)
          Get a comparator for a WritableComparable implementation.
 

Methods in org.apache.hadoop.io with parameters of type WritableComparator
static void WritableComparator.define(Class c, WritableComparator comparator)
          Register an optimized comparator for a WritableComparable implementation.
protected  void MapFile.Reader.open(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf)
           
 

Constructors in org.apache.hadoop.io with parameters of type WritableComparator
BloomMapFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf)
           
BloomMapFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf, boolean open)
           
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass)
           
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress)
           
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, CompressionCodec codec, Progressable progress)
           
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, Progressable progress)
           
MapFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf)
          Construct a map reader for the named map using the named comparator.
MapFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf, boolean open)
          Hook to allow subclasses to defer opening streams until further initialization is complete.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass)
          Create the named map using the named key comparator.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress)
          Create the named map using the named key comparator.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, CompressionCodec codec, Progressable progress)
          Create the named map using the named key comparator.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, Progressable progress)
          Create the named map using the named key comparator.
SetFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf)
          Construct a set reader for the named set using the named comparator.
SetFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, SequenceFile.CompressionType compress)
          Create a set naming the element comparator and compression type.
 

Uses of WritableComparator in org.apache.hadoop.record
 

Subclasses of WritableComparator in org.apache.hadoop.record
 class RecordComparator
          Deprecated. Replaced by Avro.
 



Copyright © 2009 The Apache Software Foundation