org.ff4j.strategy.el

Class ExpressionNode

java.lang.Object

org.ff4j.strategy.el.ExpressionNode

public class ExpressionNode
extends Object

Storage of an node in expression tree.

Author:

clunven

Constructor Summary

Constructors

Constructor and Description
ExpressionNode(ExpressionOperator ops) Build only with Operator (no sheet, no subnodes)
ExpressionNode(String sheetValue) Constructor for sheet of tree (no operator).

Method Summary

Modifier and Type	Method and Description
boolean	evalue(Map<String,Boolean> stateMap) Evalue the whole expression tree.
ExpressionOperator	getOperator() Getter accessor for attribute 'operator'.
List<ExpressionNode>	getSubNodes() Getter accessor for attribute 'subNodes'.
String	getValue() Getter accessor for attribute 'value'.
void	setOperator(ExpressionOperator operator) Setter accessor for attribute 'operator'.
void	setValue(String value) Setter accessor for attribute 'value'.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionNode

public ExpressionNode(String sheetValue)

Constructor for sheet of tree (no operator).

Parameters:

sheetValue - string expression for sheet, should be feature id

ExpressionNode

public ExpressionNode(ExpressionOperator ops)

Build only with Operator (no sheet, no subnodes)

Parameters:

ops - target Operator.

Method Detail

evalue

public boolean evalue(Map<String,Boolean> stateMap)

Evalue the whole expression tree.

Returns:

constante will be substitue.

toString

public String toString()

Overrides:

toString in class Object

getOperator

public ExpressionOperator getOperator()

Getter accessor for attribute 'operator'.

Returns:

current value of 'operator'

setOperator

public void setOperator(ExpressionOperator operator)

Setter accessor for attribute 'operator'.

Parameters:

operator - new value for 'operator '

getValue

public String getValue()

Getter accessor for attribute 'value'.

Returns:

current value of 'value'

setValue

public void setValue(String value)

Setter accessor for attribute 'value'.

Parameters:

value - new value for 'value '

getSubNodes

public List<ExpressionNode> getSubNodes()

Getter accessor for attribute 'subNodes'.

Returns:

current value of 'subNodes'