jimm.datavision.source.charsep
Class CharSepRow

java.lang.Object
  jimm.datavision.source.DataCursor
      jimm.datavision.source.charsep.CharSepRow

public class CharSepRow
extends DataCursor

A concrete subclass of DataCursor that wraps a delimited file parser.

Author:

Jim Menard, jimm@io.com

Field Summary

protected boolean	dateParseErrorReported
protected java.util.HashMap	dateParsers
protected boolean	noMoreData
protected DelimParser	parser
protected Query	query
protected CharSepSource	source
protected Formula	whereClauseFormula

Fields inherited from class jimm.datavision.source.DataCursor

currRowData, currRowNumber, lastRowData, lastRowNumber, nextRowData, prevRowData

Constructor Summary

CharSepRow(CharSepSource source, Query query)

Method Summary

void	close()
protected java.util.Date	parseDate(Column col, java.lang.String dateString)
java.util.List	readRowData() Returns the next row of data.
protected java.util.List	retrieveNextRow() Retrieve the next row of data and return it as a list of column values.

Methods inherited from class jimm.datavision.source.DataCursor

getObject, getRow, isFirst, isLast, last, next, previous

Methods inherited from class java.lang.Object

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

Field Detail

source

protected CharSepSource source

query

protected Query query

whereClauseFormula

protected Formula whereClauseFormula

noMoreData

protected boolean noMoreData

parser

protected DelimParser parser

dateParsers

protected java.util.HashMap dateParsers

dateParseErrorReported

protected boolean dateParseErrorReported

Constructor Detail

CharSepRow

CharSepRow(CharSepSource source,
           Query query)

Method Detail

readRowData

public java.util.List readRowData()

Returns the next row of data. If there is a where clause, use that to determine which rows we accept or reject.

Specified by:

readRowData in class DataCursor

retrieveNextRow

protected java.util.List retrieveNextRow()

Retrieve the next row of data and return it as a list of column values.

Returns:

a list of column values

parseDate

protected java.util.Date parseDate(Column col,
                                   java.lang.String dateString)

close

public void close()

Overrides:

close in class DataCursor