edu.isi.pegasus.planner.catalog.site.impl.old
Class SiteFactory

java.lang.Object
  edu.isi.pegasus.planner.catalog.site.impl.old.SiteFactory

public class SiteFactory
extends Object

A factory class to load the appropriate implementation of Transformation Catalog as specified by properties.

Version:

$Revision: 2585 $

Author:

Karan Vahi

Field Summary

static String	DEFAULT_PACKAGE_NAME The default package where all the implementations reside.
static int	NON_SINGLETON_LOAD
static int	SINGLETON_LOAD Constants to specify how to load the class, as singleton or non singleton.
static String	TEXT_IMPLEMENTING_CLASS The name of the class that connects to an multi line Text based Site Catalog.
static String	XML_IMPLEMENTING_CLASS The name of the class that connects to an XML based Site Catalog.

Constructor Summary

SiteFactory()

Method Summary

static PoolInfoProvider

loadInstance(PegasusProperties properties, boolean singleton) Connects the interface with the site catalog implementation.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_PACKAGE_NAME

public static final String DEFAULT_PACKAGE_NAME

The default package where all the implementations reside.

See Also:

Constant Field Values

SINGLETON_LOAD

public static final int SINGLETON_LOAD

Constants to specify how to load the class, as singleton or non singleton.

See Also:

Constant Field Values

NON_SINGLETON_LOAD

public static final int NON_SINGLETON_LOAD

See Also:

Constant Field Values

XML_IMPLEMENTING_CLASS

public static final String XML_IMPLEMENTING_CLASS

The name of the class that connects to an XML based Site Catalog.

See Also:

Constant Field Values

TEXT_IMPLEMENTING_CLASS

public static final String TEXT_IMPLEMENTING_CLASS

The name of the class that connects to an multi line Text based Site Catalog.

See Also:

Constant Field Values

Constructor Detail

SiteFactory

public SiteFactory()

Method Detail

loadInstance

public static PoolInfoProvider loadInstance(PegasusProperties properties,
                                            boolean singleton)
                                     throws SiteFactoryException

Connects the interface with the site catalog implementation. The choice of backend is configured through properties. This class is useful for non-singleton instances that may require changing properties.

Parameters:

properties - is an instance of properties to use.

singleton - indicates whether to load the singleton implementation to Site Catalog backend or not. It should be set to false for portals.

Returns:

handle to the Site Catalog.

Throws:

SiteFactoryException - that nests any error that might occur during the instantiation

See Also:

DEFAULT_PACKAGE_NAME