org.zkoss.zssex.formula

Class DependencyTrackerEx

java.lang.Object

org.zkoss.zss.model.impl.sys.formula.DependencyTrackerImpl

org.zkoss.zssex.formula.DependencyTrackerEx

All Implemented Interfaces:

DependencyTracker

public class DependencyTrackerEx
extends DependencyTrackerImpl

An EL Variable evaluator through POI dependency tracker and ignore POI dependency tracking

Author:

Pao

Constructor Summary

Constructors

Constructor and Description
DependencyTrackerEx()

Method Summary

Modifier and Type	Method and Description
void	addDependency(OperationEvaluationContext ec, Ptg[] ptgs) Construct formula reference dependencies.
ValueEval	postProcessValueEval(OperationEvaluationContext ec, ValueEval opResult, boolean eval) Callback when evaluating a formula cell.

Methods inherited from class org.zkoss.zss.model.impl.sys.formula.DependencyTrackerImpl

clearIndirectRefPrecedent, setIndirectRefPrecedent

Methods inherited from class java.lang.Object

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

Constructor Detail

DependencyTrackerEx

public DependencyTrackerEx()

Method Detail

postProcessValueEval

public ValueEval postProcessValueEval(OperationEvaluationContext ec,
                                      ValueEval opResult,
                                      boolean eval)

Description copied from interface: DependencyTracker

Callback when evaluating a formula cell.

Specified by:

postProcessValueEval in interface DependencyTracker

Overrides:

postProcessValueEval in class DependencyTrackerImpl

Parameters:

ec - the evaluation context of the evaluated formula cell.

opResult - the precedent that might change the formula cell.

eval - whether this reference is an evaluated result(e.g. from INDIRECT() function(true), or directly specified in formula(false))

Returns:

the ValueEval after the dependency checking

addDependency

public void addDependency(OperationEvaluationContext ec,
                          Ptg[] ptgs)

Description copied from interface: DependencyTracker

Construct formula reference dependencies.

Specified by:

addDependency in interface DependencyTracker

Overrides:

addDependency in class DependencyTrackerImpl

Parameters:

ec - the evaluation context of the evaluated formula cell.

ptgs - the precedent that might change the formula cell.