com.mware.ge.csv

Interface SourceTraceability

All Known Subinterfaces:

CharReadable, CharSeeker

All Known Implementing Classes:

BufferedCharSeeker, CharReadable.Adapter, MultiReadable, SourceTraceability.Adapter, ThreadAheadReadable

public interface SourceTraceability

Provides information about a source of data. An example usage would be reading a text file where sourceDescription() would say the name of the file, and position() the byte offset the reader is currently at. Another example could be reading from a relationship db table where sourceDescription() would say the name of the database and table and position() some sort of absolute position saying the byte offset to the field.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	SourceTraceability.Adapter

Field Summary

Fields

Modifier and Type	Field and Description
static SourceTraceability	EMPTY

Method Summary

Modifier and Type	Method and Description
long	position()
String	sourceDescription()

Field Detail

EMPTY

static final SourceTraceability EMPTY

Method Detail

sourceDescription

String sourceDescription()

Returns:

description of the source being read from.

position

long position()

Returns:

a low-level byte-like position e.g. byte offset.