Class SiteSelectorFactory
- java.lang.Object
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- edu.isi.pegasus.planner.selector.site.SiteSelectorFactory
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public class SiteSelectorFactory extends java.lang.Object
A factory class to load the appropriate type of Site Selector, as specified by the user at runtime in properties. Each invocation of the factory results in a SiteSelector being instantiated.- Version:
- $Revision$
- Author:
- Karan Vahi
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
DEFAULT_PACKAGE_NAME
The default package where the all the implementing classes provided with the VDS reside.static java.lang.String
DEFAULT_SITE_SELECTOR
The name of the class in the DEFAULT package, that corresponds to the default site selector.
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Constructor Summary
Constructors Constructor Description SiteSelectorFactory()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static SiteSelector
loadInstance(edu.isi.pegasus.planner.classes.PegasusBag bag)
Loads the implementing class corresponding to the mode specified by the user at runtime in the properties file.
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Field Detail
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DEFAULT_PACKAGE_NAME
public static final java.lang.String DEFAULT_PACKAGE_NAME
The default package where the all the implementing classes provided with the VDS reside.- See Also:
- Constant Field Values
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DEFAULT_SITE_SELECTOR
public static final java.lang.String DEFAULT_SITE_SELECTOR
The name of the class in the DEFAULT package, that corresponds to the default site selector.- See Also:
- Constant Field Values
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Method Detail
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loadInstance
public static SiteSelector loadInstance(edu.isi.pegasus.planner.classes.PegasusBag bag) throws SiteSelectorFactoryException
Loads the implementing class corresponding to the mode specified by the user at runtime in the properties file. A default replica selector is loaded if property is not specified in the properties.- Parameters:
bag
- the bag of objects that is required.- Returns:
- the instance of the class implementing this interface.
- Throws:
SiteSelectorFactoryException
- that chains any error that might occur during the instantiation- See Also:
DEFAULT_PACKAGE_NAME
,DEFAULT_SITE_SELECTOR
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