nz.ac.waikato.mcennis.rat.reusablecores.instancefactory
Class InstanceFactoryFactory

java.lang.Object
  extended by nz.ac.waikato.mcennis.rat.AbstractFactory<InstanceFactory>
      extended by nz.ac.waikato.mcennis.rat.reusablecores.instancefactory.InstanceFactoryFactory

public class InstanceFactoryFactory
extends AbstractFactory<InstanceFactory>

Static class that holds a reference to all known factories for transforming objects to Instance objects indexed by object class. If the class is not in the registry, the DefaultInstanceFactory is returned instead.


Field Summary
 
Fields inherited from class nz.ac.waikato.mcennis.rat.AbstractFactory
map, properties
 
Method Summary
 InstanceFactory create(java.lang.Class type)
          Returns the InstanceFactory that transforms object of the type determined by the given class object or the DefaultInstanceFactory if no factory of the correct type is given.
 InstanceFactory create(Properties props)
          Create the given object using the settings in the Properties object.
 InstanceFactory create(java.lang.String name)
           
 InstanceFactory create(java.lang.String classType, Properties parameters)
           
 Parameter getClassParameter()
          Return the parameter containing the name of the default type produced by this object.
static InstanceFactoryFactory newInstance()
          Creates the factory if necessary and then returns a reference to this registry
 
Methods inherited from class nz.ac.waikato.mcennis.rat.AbstractFactory
addDefaultProperty, addType, check, check, getKnownTypes, getParameter, getParameter, setDefaultProperty
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Method Detail

newInstance

public static InstanceFactoryFactory newInstance()
Creates the factory if necessary and then returns a reference to this registry

Returns:
reference to InstanceFactoryRegistry object.

create

public InstanceFactory create(java.lang.Class type)
Returns the InstanceFactory that transforms object of the type determined by the given class object or the DefaultInstanceFactory if no factory of the correct type is given.

Parameters:
type - class of object to transform
Returns:
appropriate factory to create an instance from this object type

create

public InstanceFactory create(java.lang.String classType,
                              Properties parameters)

create

public InstanceFactory create(Properties props)
Description copied from class: AbstractFactory
Create the given object using the settings in the Properties object. This function is the only global creation object, but each factory should also define a more user-friendly version consisting of a set of commonly used creation parameters as well as a version combining commonly used features with a Properties object. The property may be null. if the creation fails, the factory should log to the Logger the explanation and return null. If at all possible, the factory should provide a reasonable fail-over value rather than return null.

Specified by:
create in class AbstractFactory<InstanceFactory>
Parameters:
props - parameters used to control the factory.
Returns:
newly created object or null

create

public InstanceFactory create(java.lang.String name)

getClassParameter

public Parameter getClassParameter()
Description copied from class: AbstractFactory
Return the parameter containing the name of the default type produced by this object. The parameter will have exactly one value of type String. The type name of this parameter is the type that controls which class of object is produced.

Specified by:
getClassParameter in class AbstractFactory<InstanceFactory>
Returns:
parameter containing the default type.

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