org.basex.util.hash

Class TokenIntMap

java.lang.Object

org.basex.util.hash.TokenSet

org.basex.util.hash.TokenIntMap

All Implemented Interfaces:

java.lang.Iterable<byte[]>

public final class TokenIntMap
extends TokenSet

This is an efficient hash map for integers, extending the hash set.

Author:

BaseX Team 2005-12, BSD License, Christian Gruen

Field Summary

Fields inherited from class org.basex.util.hash.TokenSet

CAP, keys, size

Constructor Summary

Constructors

Constructor and Description
TokenIntMap() Constructor.
TokenIntMap(DataInput in) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(byte[] key, int val) Indexes the specified keys and values.
void	read(DataInput in) Reads the token set from the specified input.
protected void	rehash() Resizes the hash table.
int	value(byte[] key) Returns the value for the specified key.
void	write(DataOutput out) Writes the token set to the specified output.

Methods inherited from class org.basex.util.hash.TokenSet

add, delete, id, iterator, key, keys, size, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

TokenIntMap

public TokenIntMap()

Constructor.

TokenIntMap

public TokenIntMap(DataInput in)
            throws java.io.IOException

Constructor.

Parameters:

in - input stream

Throws:

java.io.IOException - I/O exception

Method Detail

read

public void read(DataInput in)
          throws java.io.IOException

Description copied from class: TokenSet

Reads the token set from the specified input.

Overrides:

read in class TokenSet

Parameters:

in - input stream

Throws:

java.io.IOException - I/O exception

write

public void write(DataOutput out)
           throws java.io.IOException

Description copied from class: TokenSet

Writes the token set to the specified output.

Overrides:

write in class TokenSet

Parameters:

out - output stream

Throws:

java.io.IOException - I/O exception

add

public void add(byte[] key,
       int val)

Indexes the specified keys and values. If the entry exists, the old value is replaced.

Parameters:

key - key

val - value

value

public int value(byte[] key)

Returns the value for the specified key.

Parameters:

key - key to be found

Returns:

value, or -1 if nothing was found

rehash

protected void rehash()

Description copied from class: TokenSet

Resizes the hash table.

Overrides:

rehash in class TokenSet