at.dms.jperf
Class Table

java.lang.Object
  |
  +--at.dms.jperf.Table

public class Table
extends java.lang.Object

This class is the internal representation of the tables T1 and T2. The meaning of T1 and T2 could be found in explanations of GGPerf's algorithm.


Constructor Summary
Table(java.lang.String tableName, int maxWordLength, char minCharValue, char maxCharValue)
          Creates an instance of table representing one of T1 and T2.
 
Method Summary
 void genCode(java.io.PrintWriter out)
          Outputs the contents of the table as a data structure, normally an array.
 long getKeyValue(java.lang.String key)
          Returns the value previously assigned to the key.
 void init()
          Initializes the internal structures.
 long insertKey(java.lang.String key, long max)
          Inserts the key into the table.
 
Methods inherited from class java.lang.Object
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Table

public Table(java.lang.String tableName,
             int maxWordLength,
             char minCharValue,
             char maxCharValue)
Creates an instance of table representing one of T1 and T2.
Parameters:
tableName - the name of the table.
maxWordLength - the maximum length of a keyword.
minCharValue - the smallest ASCII value in all keys.
maxCharValue - the largest ASCII value in all keys?
Method Detail

init

public void init()
Initializes the internal structures.

insertKey

public long insertKey(java.lang.String key,
                      long max)
Inserts the key into the table. A randomly generated value is assigned to be the table value correspondent to each character.
Parameters:
key - the key to insert.
max - the maximum value.
Returns:
The sum of the values assigned to each character.

getKeyValue

public long getKeyValue(java.lang.String key)
Returns the value previously assigned to the key.
Parameters:
key - The key.

genCode

public void genCode(java.io.PrintWriter out)
Outputs the contents of the table as a data structure, normally an array.
Parameters:
out - The output stream.