Package com.aquima.interactions.flow.model

Class InternalConditionNode

java.lang.Object

com.aquima.interactions.flow.model.InternalNode

com.aquima.interactions.flow.model.InternalConditionNode

public class InternalConditionNode
extends InternalNode

Internal class which represent an condition node in the flow graph.

Since:

7.0

Author:

F. van der Meer, O. Kerpershoek

Constructor Summary

Constructors

Constructor	Description
InternalConditionNode(String flowName, INodeDS nodeDS)	Constructs a condition node by using the data source.

Method Summary

Modifier and Type	Method	Description
protected void	addEdge(InternalEdge internalEdge)
InternalEdge	evaluate(IFlowHandler handler)	This function evaluates the condition node and returns the corresponding edge which is used to choose the next node in the flow graph.
String	getDescription()	Returns a very short descriptive text.
protected String	getExpression()

Methods inherited from class com.aquima.interactions.flow.model.InternalNode

getDefaultEdge, getDetails, getEdges, getExceptionEdge, getId, getTargetId, getType, locateEdge, setDetails, sortEdges

Methods inherited from class java.lang.Object

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

Constructor Details

InternalConditionNode

public InternalConditionNode(String flowName,
 INodeDS nodeDS)
                      throws InitializationException

Constructs a condition node by using the data source.

Parameters:

flowName - The flow name this node is part of.

nodeDS - The data source for node specific data.

Throws:

InitializationException - This exception is thrown when the node could not be initialized.

Method Details

addEdge

protected void addEdge(InternalEdge internalEdge)
                throws InitializationException

Overrides:

addEdge in class InternalNode

Throws:

InitializationException

evaluate

public InternalEdge evaluate(IFlowHandler handler)
                      throws FlowConditionException

This function evaluates the condition node and returns the corresponding edge which is used to choose the next node in the flow graph.

Parameters:

handler - The flow handler which is used to evaluate an expression.

Returns:

The edge which is used to evaluate to the next node in the graph.

Throws:

FlowConditionException - When the evaluate of the condition failed.

getExpression

protected String getExpression()

getDescription

public String getDescription()

Description copied from class: InternalNode

Returns a very short descriptive text.

Specified by:

getDescription in class InternalNode