Constructors
Constructor	Description
`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.

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`covers(CalculatorContextSignature signature)`	Return true if this cover the other signature.
`ContextType<?>`	`getCustomContextType(int index)`
`int`	`getCustomContextTypeCount()`
`ContextType<?>[]`	`getCustomContextTypeRequirement()`
`int`	`getDataFieldCount()`
`Set<PivotField>`	`getDataFieldRequirement()`
`int`	`getIndexOf(ContextType<?> type)`	Return the ordinal of custom ContextType in this signature.
`Set<PivotField>`	`getRowColumnFieldRequirement()`
`boolean[]`	`getStandardContextTypeRequirement()`
`int`	`getTotalContextTypeCount()`
`String`	`toString()`

public Set<PivotField> getRowColumnFieldRequirement()

public Set<PivotField> getDataFieldRequirement()

public boolean[] getStandardContextTypeRequirement()

public ContextType<?>[] getCustomContextTypeRequirement()

public int getCustomContextTypeCount()

public ContextType<?> getCustomContextType(int index)

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.

Class CalculatorContextSignature