PPSFactory (PEGASUS)

java.lang.Object
- edu.isi.pegasus.planner.provenance.pasoa.pps.PPSFactory

```
public class PPSFactory
extends java.lang.Object
```
The factory for instantiating an XMLProducer.

Version:

$Revision$

Author:

Karan Vahi

Field Summary

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`DEFAULT_PACKAGE_NAME`	The default package where all the implementations reside.
`static java.lang.String`	`DEFAULT_PPS_PROVIDER`	The default PPS implementation to be used.
`private static PPS`	`mInstance`	The singleton instance of the PPS implementation that is returned.
`static java.lang.String`	`PASOA_PPS_PROVIDER`	The default Pasoa PPS implementation to be used.

Constructor Summary

Constructors
Constructor Description

PPSFactory()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static PPS`	`loadPPS(PegasusProperties properties)`	Loads the appropriate PPS implementation on the basis of the property set in the properties.

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 java.lang.String DEFAULT_PACKAGE_NAME
```
    The default package where all the implementations reside.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_PPS_PROVIDER
```
public static final java.lang.String DEFAULT_PPS_PROVIDER
```
    The default PPS implementation to be used.
    
    See Also:
    
    Constant Field Values
  - PASOA_PPS_PROVIDER
```
public static final java.lang.String PASOA_PPS_PROVIDER
```
    The default Pasoa PPS implementation to be used.
    
    See Also:
    
    Constant Field Values
  - mInstance
```
private static PPS mInstance
```
    The singleton instance of the PPS implementation that is returned.
- Constructor Detail
  - PPSFactory
```
public PPSFactory()
```
- Method Detail
  - loadPPS
```
public static PPS loadPPS(PegasusProperties properties)
                   throws PPSFactoryException
```
    Loads the appropriate PPS implementation on the basis of the property set in the properties.
    
    Parameters:
    
    properties - the PegasusProperties object containing all the properties required by Pegasus.
    
    Returns:
    
    the instance of the appropriate XML Producer.
    
    Throws:
    
    PPSFactoryException - that nests any error that might occur during the instantiation
    
    See Also:
    
    DEFAULT_PACKAGE_NAME