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java.lang.Objectorg.apache.turbine.services.BaseInitableBroker
public abstract class BaseInitableBroker
A generic implementation of InitableBroker
.
Functionality provided by the broker includes:
Initable
in
the system.Initables
during system
startup.Initables
before they are
used.Initables
to requesting
parties.Initables
during
early initalization phases, including circular dependencies
detection.
Field Summary | |
---|---|
protected Hashtable<String,Initable> |
initables
A repository of Initable instances. |
protected Stack<String> |
stack
Names of classes being early-initialized are pushed onto this stack. |
Constructor Summary | |
---|---|
protected |
BaseInitableBroker()
Default constructor of InitableBroker. |
Method Summary | |
---|---|
Initable |
getInitable(String className)
Provides an instance of Initable class ready to work. |
protected Initable |
getInitableInstance(String className)
Retrieves an instance of an Initable from the repository. |
void |
initClass(String className,
Object data)
Performs early initialization of an Initable class. |
void |
shutdownClass(String className)
Shuts down an Initable . |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
protected Hashtable<String,Initable> initables
protected Stack<String> stack
Constructor Detail |
---|
protected BaseInitableBroker()
Method Detail |
---|
public void initClass(String className, Object data) throws InitializationException
initClass
in interface InitableBroker
className
- The name of the class to be initialized.data
- An Object to be used for initialization activities.
InitializationException
- Initialization was not successful.public void shutdownClass(String className)
Initable
.
This method is used to release resources allocated by an
Initable
, and return it to its initial (uninitailized)
state.
shutdownClass
in interface InitableBroker
className
- The name of the class to be uninitialized.public Initable getInitable(String className) throws InstantiationException
getInitable
in interface InitableBroker
className
- The name of the Initable requested.
InstantiationException
- if there was a problem
during instantiation or initialization of the Initable.protected Initable getInitableInstance(String className) throws InstantiationException
className
- The name of the class to be instantiated.
InstantiationException
- if the requested class can't
be instantiated.
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