org.zkoss.pivot.impl
Class CalculatorContextSignature

java.lang.Object
  org.zkoss.pivot.impl.CalculatorContextSignature

public class CalculatorContextSignature
extends java.lang.Object

An immutable object that express the requirement of the bottom level cache of TabularPivotModel.

Author:

simonpai

Constructor Summary

CalculatorContextSignature(TabularPivotModel model)
The default constructor, which determines the row/column fields, the data fields and the calculator context types required to build up the model cache.

CalculatorContextSignature(TabularPivotModel model, PivotField[] extraDataFields, ContextType<?>[] extraContextTypes)
Optionally provide extra data fields and/or extra calculator context types to secure in the requirement set.

Method Summary

boolean	covers(CalculatorContextSignature signature) Return true if this cover the other signature.
ContextType<?>	getCustomContextType(int index)
int	getCustomContextTypeCount()
ContextType<?>[]	getCustomContextTypeRequirement()
int	getDataFieldCount()
java.util.Set<PivotField>	getDataFieldRequirement()
int	getIndexOf(ContextType<?> type) Return the ordinal of custom ContextType in this signature.
java.util.Set<PivotField>	getRowColumnFieldRequirement()
boolean[]	getStandardContextTypeRequirement()
int	getTotalContextTypeCount()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CalculatorContextSignature

public CalculatorContextSignature(TabularPivotModel model)

The default constructor, which determines the row/column fields, the data fields and the calculator context types required to build up the model cache.

CalculatorContextSignature

public CalculatorContextSignature(TabularPivotModel model,
                                  PivotField[] extraDataFields,
                                  ContextType<?>[] extraContextTypes)

Optionally provide extra data fields and/or extra calculator context types to secure in the requirement set.

Parameters:

extraDataFields - can be null

extraContextTypes - can be null

Method Detail

getRowColumnFieldRequirement

public java.util.Set<PivotField> getRowColumnFieldRequirement()

getDataFieldRequirement

public java.util.Set<PivotField> getDataFieldRequirement()

getStandardContextTypeRequirement

public boolean[] getStandardContextTypeRequirement()

getCustomContextTypeRequirement

public ContextType<?>[] getCustomContextTypeRequirement()

getDataFieldCount

public int getDataFieldCount()

getCustomContextTypeCount

public int getCustomContextTypeCount()

getTotalContextTypeCount

public int getTotalContextTypeCount()

getCustomContextType

public ContextType<?> getCustomContextType(int index)

covers

public boolean covers(CalculatorContextSignature signature)

Return true if this cover the other signature.

getIndexOf

public int getIndexOf(ContextType<?> type)

Return the ordinal of custom ContextType in this signature.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object