Package app.babylon.table.io

Class HeaderStrategyWidestNonEmptyRow

java.lang.Object

app.babylon.table.io.HeaderStrategyWidestNonEmptyRow

All Implemented Interfaces:

HeaderStrategy

public class HeaderStrategyWidestNonEmptyRow
extends Object
implements HeaderStrategy

Constructor Summary

Constructors

Constructor	Description
HeaderStrategyWidestNonEmptyRow()
HeaderStrategyWidestNonEmptyRow(int scanLimit)

Method Summary

Modifier and Type	Method	Description
HeaderDetection	detectFoundHeaders(RowStreamMarkable rowStream, Set<ColumnName> selectedColumns)	Detects the raw headers present in the source.
int	getScanLimit()	Returns the maximum number of rows to scan during header detection.

Methods inherited from class java.lang.Object

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

Methods inherited from interface app.babylon.table.io.HeaderStrategy

detect

Constructor Details

HeaderStrategyWidestNonEmptyRow

public HeaderStrategyWidestNonEmptyRow()

HeaderStrategyWidestNonEmptyRow

public HeaderStrategyWidestNonEmptyRow(int scanLimit)

Method Details

getScanLimit

public int getScanLimit()

Description copied from interface: HeaderStrategy

Returns the maximum number of rows to scan during header detection.

Specified by:

getScanLimit in interface HeaderStrategy

Returns:

scan limit

detectFoundHeaders

public HeaderDetection detectFoundHeaders(RowStreamMarkable rowStream,
 Set<ColumnName> selectedColumns)
                                   throws IOException

Description copied from interface: HeaderStrategy

Detects the raw headers present in the source.

Specified by:

detectFoundHeaders in interface HeaderStrategy

Parameters:

rowStream - row stream to inspect

selectedColumns - requested selected columns

Returns:

detected raw header information

Throws:

IOException - if stream inspection fails