Package adams.db.wrapper

Class WrapperManager<T extends AbstractWrapper>

java.lang.Object

adams.db.wrapper.WrapperManager<T>

Type Parameters:

T - the type of wrapper this manager is for

All Implemented Interfaces:

Serializable

public class WrapperManager<T extends AbstractWrapper>
extends Object
implements Serializable

Manages the database URL/wrapper relations.

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected DatabaseManager	m_DatabaseManager	the database manager to use for default connection.
protected String	m_TableName	the table this manager is for.
protected HashMap<String,T>	m_Tables	for storing the table objects.

Constructor Summary

Constructors

Constructor	Description
WrapperManager(String tableName, DatabaseManager manager)	Initializes the manager.

Method Summary

Modifier and Type	Method	Description
T	add(AbstractDatabaseConnection dbcon, T table)	Adds the table object for the specified database connection.
protected String	createURL(AbstractDatabaseConnection dbcon)	Generates a URL that includes the user name.
T	get(AbstractDatabaseConnection dbcon)	Gets the table object for the specified database connection.
DatabaseManager	getDatabaseManager()	Returns the database manager in use.
String	getTableName()	Returns the name of the table this manager is handling.
boolean	has(AbstractDatabaseConnection dbcon)	Checks whether a table object for the specified database connection is available.
boolean	hasDatabaseManager()	Checks whether a database manager is available.
Iterator<T>	iterator()	Returns an iterator over all tables.
String	toString()	Returns a short string representation of the manager.

Methods inherited from class java.lang.Object

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

Field Detail

m_TableName

protected String m_TableName

the table this manager is for.

m_Tables

protected HashMap<String,T extends AbstractWrapper> m_Tables

for storing the table objects.

m_DatabaseManager

protected DatabaseManager m_DatabaseManager

the database manager to use for default connection.

Constructor Detail

WrapperManager

public WrapperManager(String tableName,
                      DatabaseManager manager)

Initializes the manager.

Parameters:

tableName - the name of the table this manager is for

manager - the database manager to obtain the default database connection from

Method Detail

getTableName

public String getTableName()

Returns the name of the table this manager is handling.

Returns:

the table name

hasDatabaseManager

public boolean hasDatabaseManager()

Checks whether a database manager is available.

Returns:

true if a database manager is available

getDatabaseManager

public DatabaseManager getDatabaseManager()

Returns the database manager in use.

Returns:

the database manager

createURL

protected String createURL(AbstractDatabaseConnection dbcon)

Generates a URL that includes the user name.

Parameters:

dbcon - the database connection

Returns:

the complete URL

has

public boolean has(AbstractDatabaseConnection dbcon)

Checks whether a table object for the specified database connection is available.

Parameters:

dbcon - the connection to check

Returns:

true if a table object is available

get

public T get(AbstractDatabaseConnection dbcon)

Gets the table object for the specified database connection.

Parameters:

dbcon - the connection to get the table for

Returns:

the table object if available, otherwise null

add

public T add(AbstractDatabaseConnection dbcon,
             T table)

Adds the table object for the specified database connection.

Parameters:

dbcon - the connection to add the table for

table - the table object to add

Returns:

the previous table, null if no previous one stored

iterator

public Iterator<T> iterator()

Returns an iterator over all tables.

Returns:

the iterator

toString

public String toString()

Returns a short string representation of the manager.

Overrides:

toString in class Object

Returns:

the string representation