Package adams.gui.scripting

Class ScriptingEngineManager

java.lang.Object

adams.gui.scripting.ScriptingEngineManager

All Implemented Interfaces:

Serializable

public class ScriptingEngineManager
extends Object
implements Serializable

Manages the database URL/scripting engine relations.

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Hashtable<String,AbstractScriptingEngine>	m_Engines	for storing the engine objects.

Constructor Summary

Constructors

Constructor	Description
ScriptingEngineManager()	Initializes the manager.

Method Summary

Modifier and Type	Method	Description
AbstractScriptingEngine	add(AbstractDatabaseConnection dbcon, AbstractScriptingEngine engine)	Adds the engine object for the specified database connection.
AbstractScriptingEngine	get(AbstractDatabaseConnection dbcon)	Gets the engine object for the specified database connection.
protected String	getKey(AbstractDatabaseConnection dbcon)	Returns the key for this database connection.
boolean	has(AbstractDatabaseConnection dbcon)	Checks whether a engine object for the specified database connection is available.
Iterator<AbstractScriptingEngine>	iterator()	Returns an iterator over all engines.
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_Engines

protected Hashtable<String,AbstractScriptingEngine> m_Engines

for storing the engine objects.

Constructor Detail

ScriptingEngineManager

public ScriptingEngineManager()

Initializes the manager.

Method Detail

getKey

protected String getKey(AbstractDatabaseConnection dbcon)

Returns the key for this database connection.

Parameters:

dbcon - the database connection to get a key for

Returns:

the key

has

public boolean has(AbstractDatabaseConnection dbcon)

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

Parameters:

dbcon - the connection to check

Returns:

true if a engine object is available

get

public AbstractScriptingEngine get(AbstractDatabaseConnection dbcon)

Gets the engine object for the specified database connection.

Parameters:

dbcon - the connection to get the engine for

Returns:

the engine object if available, otherwise null

add

public AbstractScriptingEngine add(AbstractDatabaseConnection dbcon,
                                   AbstractScriptingEngine engine)

Adds the engine object for the specified database connection.

Parameters:

dbcon - the connection to add the engine for

engine - the engine object to add

Returns:

the previous engine, null if no previous one stored

iterator

public Iterator<AbstractScriptingEngine> iterator()

Returns an iterator over all engines.

Returns:

the iterator

toString

public String toString()

Returns a short string representation of the manager.

Overrides:

toString in class Object

Returns:

the string representation