uk.ac.starlink.ttools.jel

Interface JELQuantity

public interface JELQuantity

Aggregates a compiled expression and a metadata object.

Since:

19 Jul 2016

Author:

Mark Taylor

Method Summary

Modifier and Type	Method and Description
gnu.jel.CompiledExpression	getCompiledExpression() Returns the compiled expression from which this quantity can be evaluated.
String	getExpression() Returns the string expression from which this quantity was created.
ValueInfo	getValueInfo() Returns a metadata object that describes this quantity.

Method Detail

getExpression

String getExpression()

Returns the string expression from which this quantity was created.

Returns:

original expression string

getCompiledExpression

gnu.jel.CompiledExpression getCompiledExpression()

Returns the compiled expression from which this quantity can be evaluated.

Returns:

compiled expression

getValueInfo

ValueInfo getValueInfo()

Returns a metadata object that describes this quantity. It should have at least a name and a data type. It may have other information like UCDs and descriptions if they are available or can be determined.

Returns:

metadata for quantity