tl.lin.data.map
Class HMapSIW

java.lang.Object
  extended by tl.lin.data.map.HMapKI<String>
      extended by tl.lin.data.map.HMapSIW
All Implemented Interfaces:
Serializable, Cloneable, org.apache.hadoop.io.Writable, MapKI<String>

public class HMapSIW
extends HMapKI<String>
implements org.apache.hadoop.io.Writable

Writable representing a map where keys are Strings and values are ints. This class is specialized for String objects to avoid the overhead that comes with wrapping Strings inside Text objects.

See Also:
Serialized Form

Field Summary
 
Fields inherited from interface tl.lin.data.map.MapKI
DEFAULT_VALUE
 
Constructor Summary
HMapSIW()
          Creates a HMapSIW object.
 
Method Summary
static HMapSIW create(byte[] bytes)
          Creates a HMapSIW object from a byte array.
static HMapSIW create(DataInput in)
          Creates a HMapSIW object from a DataInput.
 void readFields(DataInput in)
          Deserializes the map.
 byte[] serialize()
          Returns the serialized representation of this object as a byte array.
 void write(DataOutput out)
          Serializes the map.
 
Methods inherited from class tl.lin.data.map.HMapKI
clear, clone, containsKey, containsValue, dot, entrySet, get, getEntriesSortedByKey, getEntriesSortedByKey, getEntriesSortedByValue, getEntriesSortedByValue, increment, increment, isEmpty, keySet, plus, put, putAll, remove, size, toString, values
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface tl.lin.data.map.MapKI
equals, hashCode
 

Constructor Detail

HMapSIW

public HMapSIW()
Creates a HMapSIW object.

Method Detail

readFields

public void readFields(DataInput in)
                throws IOException
Deserializes the map.

Specified by:
readFields in interface org.apache.hadoop.io.Writable
Parameters:
in - source for raw byte representation
Throws:
IOException

write

public void write(DataOutput out)
           throws IOException
Serializes the map.

Specified by:
write in interface org.apache.hadoop.io.Writable
Parameters:
out - where to write the raw byte representation
Throws:
IOException

serialize

public byte[] serialize()
                 throws IOException
Returns the serialized representation of this object as a byte array.

Returns:
byte array representing the serialized representation of this object
Throws:
IOException

create

public static HMapSIW create(DataInput in)
                      throws IOException
Creates a HMapSIW object from a DataInput.

Parameters:
in - source for reading the serialized representation
Returns:
a newly-created OHMapSIW object
Throws:
IOException

create

public static HMapSIW create(byte[] bytes)
                      throws IOException
Creates a HMapSIW object from a byte array.

Parameters:
bytes - source for reading the serialized representation
Returns:
a newly-created OHMapSIW object
Throws:
IOException


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