uk.ac.starlink.ttools.plot2.data

Interface CoordSpec.Reader

Enclosing class:

CoordSpec

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface CoordSpec.Reader

Reads a data value object.

Method Summary

Modifier and Type	Method and Description
Object	readValue(long irow) Returns a particular value given this reader's current state.

Method Detail

readValue

Object readValue(long irow)
          throws IOException

Returns a particular value given this reader's current state. Note that the supplied row index is additional information (for instance may be relevant to JEL expression evaluation) and it does not determine the row from which the value is supplied.

Parameters:

irow - row index

Returns:

coordinate stored value

Throws:

IOException