Package org.springframework.statemachine.config.common.annotation

Class AbstractAnnotationBuilder<O>

java.lang.Object

org.springframework.statemachine.config.common.annotation.AbstractAnnotationBuilder<O>

Type Parameters:

O - the type of Object that is being built

All Implemented Interfaces:

AnnotationBuilder<O>

Direct Known Subclasses:

AbstractConfiguredAnnotationBuilder

public abstract class AbstractAnnotationBuilder<O>
extends Object
implements AnnotationBuilder<O>

A base AnnotationBuilder that ensures the object being built is only built one time.

Author:

Rob Winch, Janne Valkealahti

Constructor Summary

Constructors

Constructor	Description
AbstractAnnotationBuilder()

Method Summary

Modifier and Type	Method	Description
final O	build()	Builds the object and returns it or null.
protected abstract O	doBuild()	Subclasses should implement this to perform the build.
final O	getObject()	Gets the object that was built.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AbstractAnnotationBuilder

public AbstractAnnotationBuilder()

Method Details

build

public final O build()
              throws Exception

Description copied from interface: AnnotationBuilder

Builds the object and returns it or null.

Specified by:

build in interface AnnotationBuilder<O>

Returns:

the Object to be built or null if the implementation allows it.

Throws:

Exception - if an error occurred when building the Object

getObject

public final O getObject()

Gets the object that was built. If it has not been built yet an Exception is thrown.

Returns:

the Object that was built

doBuild

protected abstract O doBuild()
                      throws Exception

Subclasses should implement this to perform the build.

Returns:

the object that should be returned by build().

Throws:

Exception - if an error occurs