info.informatica.data.util
Class JdbcMap

java.lang.Object
  info.informatica.data.util.JdbcMap

All Implemented Interfaces:

Map

public class JdbcMap
extends Object
implements Map

JDBC-based implementation of the Map interface.

This implementation does not provide all of the optional map operations, and permits null values and the null key.

Uses a MapMetaData object.

This class is experimental and needs some more work.

Version:

1.01

Author:

Carlos Amengual

See Also:

Map, MapMetaData

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

JdbcMap()
Constructs a new, empty map with a temporary table.

JdbcMap(MapMetaData md)
Constructs a new, empty map

Method Summary

void	clear()
void	close()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set	entrySet()
Object	get(Object key)
void	init(Connection con) Initializes the map
boolean	isEmpty()
Set	keySet()
static void	main(String[] args) Testdrive with MySQL
Object	put(Object key, Object value)
void	putAll(Map t)
Object	remove(Object key)
int	size()
Collection	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

JdbcMap

public JdbcMap(MapMetaData md)

Constructs a new, empty map

Parameters:

md - MapMetaData object.

Throws:

IllegalArgumentException - if the table is null or empty string.

JdbcMap

public JdbcMap()
        throws SQLException

Constructs a new, empty map with a temporary table.

Throws:

SQLException - if there is any problem creating the temp table

Method Detail

main

public static void main(String[] args)
                 throws SQLException

Testdrive with MySQL

Throws:

SQLException

init

public void init(Connection con)
          throws SQLException

Initializes the map

Parameters:

con - Connection

Throws:

NullPointerException - if the connection is null

SQLException

close

public void close()
           throws SQLException

Throws:

SQLException

size

public int size()

Specified by:

size in interface Map

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

get

public Object get(Object key)

Specified by:

get in interface Map

put

public Object put(Object key,
                  Object value)

Specified by:

put in interface Map

remove

public Object remove(Object key)

Specified by:

remove in interface Map

putAll

public void putAll(Map t)

Specified by:

putAll in interface Map

clear

public void clear()

Specified by:

clear in interface Map

keySet

public Set keySet()

Specified by:

keySet in interface Map

values

public Collection values()

Specified by:

values in interface Map

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map