com.healthmarketscience.jackcess
Class BigIndexData

java.lang.Object
  com.healthmarketscience.jackcess.IndexData
      com.healthmarketscience.jackcess.BigIndexData

public class BigIndexData
extends IndexData

Implementation of an Access table index which supports large indexes.

Nested Class Summary

Nested classes/interfaces inherited from class com.healthmarketscience.jackcess.IndexData

IndexData.ColumnDescriptor, IndexData.DataPage, IndexData.Entry, IndexData.EntryCursor, IndexData.EntryType

Field Summary

Fields inherited from class com.healthmarketscience.jackcess.IndexData

EMPTY_PREFIX, FIRST_ENTRY, INVALID_INDEX_PAGE_NUMBER, LAST_ENTRY, LOG, MAX_VALUE, MIN_VALUE

Constructor Summary

BigIndexData(Table table, int number, int uniqueEntryCount, int uniqueEntryCountOffset)

Method Summary

protected IndexData.DataPage	findDataPage(IndexData.Entry entry) Finds the data page for the given entry.
protected IndexData.DataPage	getDataPage(int pageNumber) Gets the data page for the pageNumber.
protected void	readIndexEntries() Reads the actual index entries.
java.lang.String	toString()
protected void	updateImpl() Writes the current index state to the database.

Methods inherited from class com.healthmarketscience.jackcess.IndexData

addRow, constructIndexRow, constructIndexRow, constructIndexRowFromEntry, create, cursor, cursor, deleteRow, getColumns, getEntryCount, getFormat, getIndexDataNumber, getIndexes, getIndexFlags, getMaxPageEntrySize, getOwnedPageCount, getPageChannel, getPrimaryIndex, getRootPageNumber, getTable, getUniqueEntryCount, getUniqueEntryCountOffset, initialize, isBackingPrimaryKey, isInitialized, isReadOnly, isUnique, missingIndexToInsertionPoint, read, readDataPage, setReadOnly, shouldIgnoreNulls, update, writeDataPage, writeDataPage, writeDefinitions, writeRowCountDefinitions

Methods inherited from class java.lang.Object

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

Constructor Detail

BigIndexData

public BigIndexData(Table table,
                    int number,
                    int uniqueEntryCount,
                    int uniqueEntryCountOffset)

Method Detail

updateImpl

protected void updateImpl()
                   throws java.io.IOException

Description copied from class: IndexData

Writes the current index state to the database. Index has already been initialized.

Specified by:

updateImpl in class IndexData

Throws:

java.io.IOException

readIndexEntries

protected void readIndexEntries()
                         throws java.io.IOException

Description copied from class: IndexData

Reads the actual index entries.

Specified by:

readIndexEntries in class IndexData

Throws:

java.io.IOException

findDataPage

protected IndexData.DataPage findDataPage(IndexData.Entry entry)
                                   throws java.io.IOException

Description copied from class: IndexData

Finds the data page for the given entry.

Specified by:

findDataPage in class IndexData

Throws:

java.io.IOException

getDataPage

protected IndexData.DataPage getDataPage(int pageNumber)
                                  throws java.io.IOException

Description copied from class: IndexData

Gets the data page for the pageNumber.

Specified by:

getDataPage in class IndexData

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class IndexData