org.apache.commons.workflow.core
Class ConstructStep

java.lang.Object
  org.apache.commons.workflow.base.BaseStep
      org.apache.commons.workflow.base.DescriptorStep
          org.apache.commons.workflow.core.ConstructStep

All Implemented Interfaces:

Descriptors, Step

public class ConstructStep
extends DescriptorStep

Create a new object of the specified class, using the constructor that accepts the arguments specified by the associated Descriptor objects. The first descriptor must identify the java.lang.Class object to be used to construct the new object.

FIXME - Constructors that take primitive arguments are not recognized and matched up to the wrapper classes.

Version:

$Revision: 155475 $ $Date: 2005-02-26 13:31:11 +0000 (Sat, 26 Feb 2005) $

Author:

Craig R. McClanahan

Field Summary

Fields inherited from class org.apache.commons.workflow.base.DescriptorStep

descriptors

Fields inherited from class org.apache.commons.workflow.base.BaseStep

id, nextStep, owner, previousStep

Constructor Summary

ConstructStep()
Construct a default instance of this Step.

ConstructStep(String id)
Construct an instance of this Step with the specified identifier.

ConstructStep(String id, Descriptor descriptor)
Construct an instance of this Step with the specified identifier and associated Descriptor.

Method Summary

void	execute(Context context) Perform the executable actions related to this Step, in the context of the specified Context.
protected String	signature(String name, Class[] types) Return a method signature useful in debugging and exception messages.
String	toString() Render a string representation of this Step.

Methods inherited from class org.apache.commons.workflow.base.DescriptorStep

addDescriptor, findDescriptors, removeDescriptor

Methods inherited from class org.apache.commons.workflow.base.BaseStep

getId, getNextStep, getOwner, getPreviousStep, setId, setNextStep, setOwner, setPreviousStep

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstructStep

public ConstructStep()

Construct a default instance of this Step.

ConstructStep

public ConstructStep(String id)

Construct an instance of this Step with the specified identifier.

Parameters:

id - Step identifier

ConstructStep

public ConstructStep(String id,
                     Descriptor descriptor)

Construct an instance of this Step with the specified identifier and associated Descriptor.

Parameters:

id - Step identifier

descriptor - Initial descriptor

Method Detail

execute

public void execute(Context context)
             throws StepException

Perform the executable actions related to this Step, in the context of the specified Context.

Specified by:

execute in interface Step

Specified by:

execute in class BaseStep

Parameters:

context - The Context that is tracking our execution state

Throws:

StepException - if a processing error has occurred

toString

public String toString()

Render a string representation of this Step.

Overrides:

toString in class Object

signature

protected String signature(String name,
                           Class[] types)

Return a method signature useful in debugging and exception messages.

Parameters:

name - Method name

types - Parameter types