org.xBaseJ.indexes
Class Node

java.lang.Object
  org.xBaseJ.indexes.Node

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

MNode

public class Node

extends Object

implements Cloneable

Field Summary

boolean	branch
byte[]	key_buffer
NodeKey[]	key_expression
int	key_expression_size
int[]	key_record_number
int	keys_in_a_Node
int	keys_in_this_Node
char	keyType
int[]	lower_level
Node	next
RandomAccessFile	nfile
int	pos
Node	prev
int	record_number

Constructor Summary

Node(RandomAccessFile file, int keys_in, int key_size, char keyType, int rn, boolean iBranch)

Method Summary

Object	clone()
int	get_key_record_number()
NodeKey	get_key_value()
int	get_keys_in_this_Node()
int	get_lower_level()
Node	get_next()
int	get_pos()
Node	get_prev()
int	get_record_number()
boolean	isBranch()
int	pos_down()
int	pos_up()
void	read()
void	set_key_expression_size(int l)
void	set_key_record_number(int r)
void	set_key_value(double key)
void	set_key_value(NodeKey key)
void	set_key_value(String key)
void	set_keys_in_this_Node(int c)
void	set_lower_level(int level)
void	set_next(Node nxt)
void	set_pos(int ipos)
void	set_prev_page(int t)
void	set_prev(Node prv)
void	set_record_number(int r)
void	write()

Methods inherited from class java.lang.Object

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

Field Detail

nfile

public RandomAccessFile nfile

pos

public int pos

keys_in_a_Node

public int keys_in_a_Node

keys_in_this_Node

public int keys_in_this_Node

key_expression_size

public int key_expression_size

record_number

public int record_number

keyType

public char keyType

key_buffer

public byte[] key_buffer

lower_level

public int[] lower_level

key_record_number

public int[] key_record_number

key_expression

public NodeKey[] key_expression

prev

public Node prev

next

public Node next

branch

public boolean branch

Constructor Detail

Node

public Node(RandomAccessFile file,
            int keys_in,
            int key_size,
            char keyType,
            int rn,
            boolean iBranch)

Method Detail

clone

public Object clone()

set_pos

public void set_pos(int ipos)

set_key_expression_size

public void set_key_expression_size(int l)

pos_up

public int pos_up()

set_record_number

public void set_record_number(int r)
                       throws xBaseJException

Throws:

xBaseJException

get_record_number

public int get_record_number()

pos_down

public int pos_down()

get_pos

public int get_pos()

set_key_record_number

public void set_key_record_number(int r)

get_key_record_number

public int get_key_record_number()

set_lower_level

public void set_lower_level(int level)

get_lower_level

public int get_lower_level()

set_keys_in_this_Node

public void set_keys_in_this_Node(int c)

get_keys_in_this_Node

public int get_keys_in_this_Node()

set_key_value

public void set_key_value(NodeKey key)

set_key_value

public void set_key_value(String key)

set_key_value

public void set_key_value(double key)

get_key_value

public NodeKey get_key_value()

read

public void read()
          throws IOException

Throws:

IOException

write

public void write()
           throws IOException,
                  xBaseJException

Throws:

IOException

xBaseJException

set_next

public void set_next(Node nxt)

set_prev

public void set_prev(Node prv)

get_next

public Node get_next()

get_prev

public Node get_prev()

set_prev_page

public void set_prev_page(int t)
                   throws xBaseJException

Throws:

xBaseJException

isBranch

public boolean isBranch()