| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| ByteBufferPool | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Class and Description | 
|---|
| AbstractMapWritable Abstract base class for MapWritable and SortedMapWritable
 
 Unlike org.apache.nutch.crawl.MapWritable, this class allows creation of
 MapWritable<Writable, MapWritable> so the CLASS_TO_ID and ID_TO_CLASS
 maps travel with the class instead of being static. | 
| BinaryComparable Interface supported by  WritableComparabletypes supporting ordering/permutation by a representative set of bytes. | 
| BooleanWritable A WritableComparable for booleans. | 
| ByteBufferPool | 
| BytesWritable A byte sequence that is usable as a key or value. | 
| ByteWritable A WritableComparable for a single byte. | 
| DoubleWritable Writable for Double values. | 
| FloatWritable A WritableComparable for floats. | 
| IntWritable A WritableComparable for ints. | 
| LongWritable A WritableComparable for longs. | 
| MapFile A file-based map from keys to values. | 
| MapWritable A Writable Map. | 
| MD5Hash A Writable for MD5 hash values. | 
| NullWritable Singleton Writable with no data. | 
| ObjectWritable A polymorphic Writable that writes an instance with it's class name. | 
| RawComparator 
 A  Comparatorthat operates directly on byte representations of
 objects. | 
| ShortWritable A WritableComparable for shorts. | 
| SortedMapWritable A Writable SortedMap. | 
| Stringifier Stringifier interface offers two methods to convert an object 
 to a string representation and restore the object given its 
 string representation. | 
| Text This class stores text using standard UTF8 encoding. | 
| VIntWritable A WritableComparable for integer values stored in variable-length format. | 
| VLongWritable A WritableComparable for longs in a variable-length format. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| WritableComparable A  Writablewhich is alsoComparable. | 
| WritableComparator A Comparator for  WritableComparables. | 
| WritableFactory A factory for a class of Writable. | 
| Class and Description | 
|---|
| RawComparator 
 A  Comparatorthat operates directly on byte representations of
 objects. | 
| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Closeable Deprecated. 
 use java.io.Closeable | 
| RawComparator 
 A  Comparatorthat operates directly on byte representations of
 objects. | 
| Text This class stores text using standard UTF8 encoding. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Closeable Deprecated. 
 use java.io.Closeable | 
| LongWritable A WritableComparable for longs. | 
| Text This class stores text using standard UTF8 encoding. | 
| Class and Description | 
|---|
| Closeable Deprecated. 
 use java.io.Closeable | 
| Text This class stores text using standard UTF8 encoding. | 
| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| RawComparator 
 A  Comparatorthat operates directly on byte representations of
 objects. | 
| Text This class stores text using standard UTF8 encoding. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| WritableComparable A  Writablewhich is alsoComparable. | 
| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| WritableComparable A  Writablewhich is alsoComparable. | 
| Class and Description | 
|---|
| LongWritable A WritableComparable for longs. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Class and Description | 
|---|
| BytesWritable A byte sequence that is usable as a key or value. | 
| LongWritable A WritableComparable for longs. | 
| Text This class stores text using standard UTF8 encoding. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| WritableComparable A  Writablewhich is alsoComparable. | 
| WritableComparator A Comparator for  WritableComparables. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Class and Description | 
|---|
| BytesWritable A byte sequence that is usable as a key or value. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| WritableComparable A  Writablewhich is alsoComparable. | 
| Class and Description | 
|---|
| BinaryComparable Interface supported by  WritableComparabletypes supporting ordering/permutation by a representative set of bytes. | 
| RawComparator 
 A  Comparatorthat operates directly on byte representations of
 objects. | 
| WritableComparator A Comparator for  WritableComparables. | 
| Class and Description | 
|---|
| IntWritable A WritableComparable for ints. | 
| LongWritable A WritableComparable for longs. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Class and Description | 
|---|
| RawComparator 
 A  Comparatorthat operates directly on byte representations of
 objects. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| WritableComparable A  Writablewhich is alsoComparable. | 
| WritableComparator A Comparator for  WritableComparables. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Writable A serializable object which implements a simple, efficient, serialization 
 protocol, based on  DataInputandDataOutput. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
| Class and Description | 
|---|
| Text This class stores text using standard UTF8 encoding. | 
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