com.singularsys.extensions.structure

Class SequenceNode

java.lang.Object

com.singularsys.jep.parser.SimpleNode

com.singularsys.extensions.structure.StructureNode

com.singularsys.extensions.structure.SequenceNode

All Implemented Interfaces:

Node

public class SequenceNode
extends StructureNode

A node representing a sequence of expressions.

Nested Class Summary

Nested classes/interfaces inherited from interface com.singularsys.jep.parser.Node

Node.HookKey

Field Summary

Fields inherited from class com.singularsys.jep.parser.SimpleNode

children, id, keys, parent, vals

Constructor Summary

Constructors

Constructor and Description
SequenceNode()

Method Summary

Modifier and Type	Method and Description
void	add(Node n) Add the next node in the sequence.
java.lang.Object	eval(Evaluator ev) Will evaluate each of its children in turn.
java.lang.String	toString()

Methods inherited from class com.singularsys.extensions.structure.StructureNode

getName, getOperator, getPFMC, getValue, getVar, testCondition

Methods inherited from class com.singularsys.jep.parser.SimpleNode

childIterator, children, childrenAccept, dump, getHook, getId, hookKeys, jjtAccept, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, removeHook, setHook, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SequenceNode

public SequenceNode()

Method Detail

add

public void add(Node n)

Add the next node in the sequence.

Parameters:

n - node to add

eval

public java.lang.Object eval(Evaluator ev)
                      throws EvaluationException

Will evaluate each of its children in turn. If Break or Continue is encounter the subsequent children are not evaluated.

Specified by:

eval in class StructureNode

Parameters:

ev - The evaluator the Evaluator.eval(com.singularsys.jep.parser.Node) can be used to evaluate children.

Returns:

result of evaluation

Throws:

EvaluationException - if evaluation cannot be performed

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object