csv.impl
Class IndexRowFilter

java.lang.Object
  csv.impl.AbstractRowFilter
      csv.impl.IndexRowFilter

All Implemented Interfaces:

TableReader, java.util.Iterator<java.lang.Object[]>

public class IndexRowFilter
extends AbstractRowFilter

Implements a row filter based on row indices.

Author:

ralph

Constructor Summary

IndexRowFilter(TableReader reader, int[] validRowIndices)
Constructor.

Method Summary

protected boolean	isMoreRowsExpected() This method returns false when all valid rows were delivered.
protected boolean	isValidRow(java.lang.Object[] row) Filters rows according to raw row index.
void	open() Opens this reader.
void	reset() Resets the reader.

Methods inherited from class csv.impl.AbstractRowFilter

close, findNextRow, get, getColumnIndex, getHeaderRow, getMinimumColumnCount, getRawRowIndex, getReader, getRowIndex, hasHeaderRow, hasNext, next, registerCommentCallBack, remove, setHasHeaderRow, setMinimumColumnCount, unregisterCommentCallBack

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexRowFilter

public IndexRowFilter(TableReader reader,
                      int[] validRowIndices)

Constructor.

Parameters:

reader - underlying table reader

validRowIndices - all row indices that are valid for delivering

Method Detail

isValidRow

protected boolean isValidRow(java.lang.Object[] row)

Filters rows according to raw row index.

Specified by:

isValidRow in class AbstractRowFilter

Parameters:

row - row to be checked

Returns:

whether row is a valid row

See Also:

AbstractRowFilter.isValidRow(java.lang.Object[])

isMoreRowsExpected

protected boolean isMoreRowsExpected()

This method returns false when all valid rows were delivered.

Overrides:

isMoreRowsExpected in class AbstractRowFilter

Returns:

true if another valid row can be expected

See Also:

AbstractRowFilter.isMoreRowsExpected()

open

public void open()

Description copied from class: AbstractRowFilter

Opens this reader.

Specified by:

open in interface TableReader

Overrides:

open in class AbstractRowFilter

See Also:

AbstractRowFilter.open()

reset

public void reset()

Description copied from class: AbstractRowFilter

Resets the reader.

Specified by:

reset in interface TableReader

Overrides:

reset in class AbstractRowFilter

See Also:

AbstractRowFilter.reset()