org.apache.commons.workflow.core
Class AndStep
java.lang.Object
org.apache.commons.workflow.base.BaseStep
org.apache.commons.workflow.base.DescriptorStep
org.apache.commons.workflow.core.GotoStep
org.apache.commons.workflow.core.AndStep
- All Implemented Interfaces:
- Descriptors, Step
public class AndStep
- extends GotoStep
Evaluate properties specified by the associated Descriptors, and
transfer control to the specified step if ALL of them are
true
(if boolean) or not null (if Object). To avoid
non-deterministic evaluation stack behavior, all of the specified
Descriptors are always evaluated.
Supported Attributes:
- step - Identifier of the Step to which control
should be transferred if the condition is met.
- Version:
- $Revision: 155475 $ $Date: 2005-02-26 13:31:11 +0000 (Sat, 26 Feb 2005) $
- Author:
- Craig R. McClanahan
Fields inherited from class org.apache.commons.workflow.core.GotoStep |
step |
Constructor Summary |
AndStep()
Construct a default instance of this Step. |
AndStep(String id)
Construct an instance of this Step with the specified identifier. |
AndStep(String id,
String step)
Construct a fully configured instance of this Step. |
AndStep(String id,
String step,
Descriptor descriptor)
Construct a fully configured instance of this Step. |
Method Summary |
void |
execute(Context context)
Perform the executable actions related to this Step, in the context of
the specified Context. |
AndStep
public AndStep()
- Construct a default instance of this Step.
AndStep
public AndStep(String id)
- Construct an instance of this Step with the specified identifier.
- Parameters:
id
- Step identifier
AndStep
public AndStep(String id,
String step)
- Construct a fully configured instance of this Step.
- Parameters:
id
- Step identifier of this stepstep
- Step identifier to which control should be redirected
AndStep
public AndStep(String id,
String step,
Descriptor descriptor)
- Construct a fully configured instance of this Step.
- Parameters:
id
- Step identifier of this stepstep
- Step identifier to which control should be redirecteddescriptor
- Initial descriptor to be added
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
- Overrides:
execute
in class GotoStep
- Parameters:
context
- The Context that is tracking our execution state
- Throws:
StepException
- if a processing error has occurred
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