edu.isi.pegasus.planner.parser.pdax
Class PDAXCallbackFactory

java.lang.Object
  edu.isi.pegasus.planner.parser.pdax.PDAXCallbackFactory

public class PDAXCallbackFactory
extends Object

A factory class to load the appropriate DAX callback implementations that need to be passed to the DAX Parser.

Version:

$Revision: 2575 $

Author:

Karan Vahi

Field Summary

static String

DEFAULT_PACKAGE_NAME Package to prefix "just" class names with.

Constructor Summary

PDAXCallbackFactory()

Method Summary

static Callback	loadInstance(PegasusProperties properties, PlannerOptions options, String directory) Loads the implementing class corresponding to the type specified by the user.
static Callback	loadInstance(PegasusProperties properties, PlannerOptions options, String directory, String className) Loads the implementing class corresponding to the type specified by the user.

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

Package to prefix "just" class names with.

See Also:

Constant Field Values

Constructor Detail

PDAXCallbackFactory

public PDAXCallbackFactory()

Method Detail

loadInstance

public static Callback loadInstance(PegasusProperties properties,
                                    PlannerOptions options,
                                    String directory)
                             throws PDAXCallbackFactoryException

Loads the implementing class corresponding to the type specified by the user. The properties object passed should not be null. The callback that is loaded, is the one referred to in the properties by the user.

Parameters:

directory - the base level directory in which the output files are to be generated.

properties - the PegasusProperties object containing all the properties required by Pegasus.

Returns:

the instance of the class implementing this interface.

Throws:

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

See Also:

DEFAULT_PACKAGE_NAME, org.griphyn.cPlanner.common.PegasusProperties#getPartitionerDAXCallback()

loadInstance

public static Callback loadInstance(PegasusProperties properties,
                                    PlannerOptions options,
                                    String directory,
                                    String className)
                             throws PDAXCallbackFactoryException

Loads the implementing class corresponding to the type specified by the user. The properties object passed should not be null. The callback that is loaded, is the one referred to by the className parameter passed.

Parameters:

properties - the PegasusProperties object containing all the properties required by Pegasus. dag|noop|daglite.

options - the PlannerOptions object containing the options passed to gencdag.

directory - the directory where the pdax file and parititioned daxes reside.

className - the name of the implementing class.

Returns:

the instance of the class implementing this interface.

Throws:

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

See Also:

DEFAULT_PACKAGE_NAME