Package org.tmatesoft.sqljet.core.internal.table

Class SqlJetIndexOrderCursor

java.lang.Object

org.tmatesoft.sqljet.core.internal.table.SqlJetCursor

org.tmatesoft.sqljet.core.internal.table.SqlJetRowNumCursor

org.tmatesoft.sqljet.core.internal.table.SqlJetTableDataCursor

org.tmatesoft.sqljet.core.internal.table.SqlJetIndexOrderCursor

All Implemented Interfaces:

ISqlJetCursor

Direct Known Subclasses:

SqlJetIndexScopeCursor

public class SqlJetIndexOrderCursor
extends SqlJetTableDataCursor
implements ISqlJetCursor

Author:

TMate Software Ltd., Sergey Scherbina (sergey.scherbina@gmail.com)

Field Summary

Fields

Modifier and Type	Field	Description
protected String	indexName
protected ISqlJetBtreeIndexTable	indexTable

Fields inherited from class org.tmatesoft.sqljet.core.internal.table.SqlJetCursor

btreeTable, db

Constructor Summary

Constructors

Constructor	Description
SqlJetIndexOrderCursor(ISqlJetBtreeDataTable table, SqlJetDb db, String indexName)

Method Summary

Modifier and Type	Method	Description
protected void	computeRows(boolean current)
void	delete()	Deletes the current record.
boolean	eof()	Tests whether this cursor is positioned behind the last record.
boolean	first()	Goes to the first record.
boolean	last()	Goes to the last record.
boolean	next()	Goes to the next record.
boolean	previous()	Goes to the previous record.

Methods inherited from class org.tmatesoft.sqljet.core.internal.table.SqlJetTableDataCursor

getBlobAsArray, getBlobAsStream, getBoolean, getBtreeDataTable, getFieldType, getFloat, getInteger, getRowId, getRowValues, getString, getValue, goTo, isNull, update, updateByFieldNames, updateByFieldNamesOr, updateOr, updateWithRowId, updateWithRowIdOr

Methods inherited from class org.tmatesoft.sqljet.core.internal.table.SqlJetRowNumCursor

firstRowNum, getLimit, getRowCount, getRowIndex, goToRow, lastRowNum, nextRowNum, previousRowNum, setLimit

Methods inherited from class org.tmatesoft.sqljet.core.internal.table.SqlJetCursor

close, getBlobAsArray, getBlobAsStream, getBoolean, getFieldsCount, getFieldType, getFloat, getInteger, getString, getValue, isNull, reverse

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.tmatesoft.sqljet.core.table.ISqlJetCursor

close, getBlobAsArray, getBlobAsArray, getBlobAsStream, getBlobAsStream, getBoolean, getBoolean, getFieldsCount, getFieldType, getFieldType, getFloat, getFloat, getInteger, getInteger, getLimit, getRowCount, getRowId, getRowIndex, getRowValues, getString, getString, getValue, getValue, goTo, goToRow, isNull, isNull, reverse, setLimit, update, updateByFieldNames, updateByFieldNamesOr, updateOr, updateWithRowId, updateWithRowIdOr

Field Details

indexName

protected String indexName

indexTable

protected ISqlJetBtreeIndexTable indexTable

Constructor Details

SqlJetIndexOrderCursor

public SqlJetIndexOrderCursor(ISqlJetBtreeDataTable table,
 SqlJetDb db,
 String indexName)
                       throws SqlJetException

Parameters:

table -

db -

Throws:

SqlJetException

Method Details

first

public boolean first()
              throws SqlJetException

Description copied from interface: ISqlJetCursor

Goes to the first record.

Specified by:

first in interface ISqlJetCursor

Overrides:

first in class SqlJetRowNumCursor

Returns:

true if there is at least one record.

Throws:

SqlJetException

next

public boolean next()
             throws SqlJetException

Description copied from interface: ISqlJetCursor

Goes to the next record.

Specified by:

next in interface ISqlJetCursor

Overrides:

next in class SqlJetRowNumCursor

Returns:

true if there is at least one record and end of cursor is not reached yet

Throws:

SqlJetException

eof

public boolean eof()
            throws SqlJetException

Description copied from interface: ISqlJetCursor

Tests whether this cursor is positioned behind the last record.

Specified by:

eof in interface ISqlJetCursor

Overrides:

eof in class SqlJetRowNumCursor

Returns:

true if the cursor is not on a record and fields can't be read.

Throws:

SqlJetException

last

public boolean last()
             throws SqlJetException

Description copied from interface: ISqlJetCursor

Goes to the last record.

Specified by:

last in interface ISqlJetCursor

Overrides:

last in class SqlJetRowNumCursor

Returns:

true if there is at least one record.

Throws:

SqlJetException

previous

public boolean previous()
                 throws SqlJetException

Description copied from interface: ISqlJetCursor

Goes to the previous record.

Specified by:

previous in interface ISqlJetCursor

Overrides:

previous in class SqlJetRowNumCursor

Returns:

true if there is at least one record and begin of cursor is not reached yet

Throws:

SqlJetException

delete

public void delete()
            throws SqlJetException

Description copied from interface: ISqlJetCursor

Deletes the current record.

Specified by:

delete in interface ISqlJetCursor

Overrides:

delete in class SqlJetTableDataCursor

Throws:

SqlJetException

computeRows

protected void computeRows(boolean current)
                    throws SqlJetException

Overrides:

computeRows in class SqlJetRowNumCursor

Throws:

SqlJetException