org.axiondb.engine.tables
Class MemoryTable

java.lang.Object
  org.axiondb.event.BaseTableModificationPublisher
      org.axiondb.engine.tables.BaseTable
          org.axiondb.engine.tables.MemoryTable

All Implemented Interfaces:

RowSource, Table

public class MemoryTable

extends BaseTable

implements Table

A memory-resident Table.

Version:

$Revision: 1.3 $ $Date: 2004/09/09 23:47:44 $

Field Summary

Fields inherited from interface org.axiondb.Table

REGULAR_TABLE_TYPE, SYSTEM_TABLE_TYPE

Constructor Summary

MemoryTable(String name)

MemoryTable(String name, String type)

Method Summary

void	applyDeletes(org.apache.commons.collections.primitives.IntCollection rowids) Remove the specified rows from this table and any associated indices.
void	applyInserts(Collection rows) Insert the given rows into this table and any associated indices.
void	applyUpdates(Collection rows) Update the given rows in this table and any associated indices.
void	freeRowId(int id) Un-reserve a row id.
int	getNextRowId() Reserve a row id.
Row	getRow(int id)
int	getRowCount() Return the number of Rows I contain.
protected RowIterator	getRowIterator()
void	populateIndex(Index index) Populate an Index, adding my current rows to it.
void	truncate() Unconditionally delete all rows in this table.

Methods inherited from class org.axiondb.engine.tables.BaseTable

addColumn, addConstraint, addIndex, addRow, applyDeletesToIndices, applyInsertsToIndices, applyUpdatesToIndices, checkConstraints, checkConstraints, deleteRow, drop, getColumn, getColumn, getColumnCount, getColumnIdentifiers, getColumnIndex, getConstraints, getIndexedRows, getIndexForColumn, getIndices, getMatchingRows, getName, getRowIterator, getType, hasColumn, hasDeferredConstraint, hasIndex, isColumnIndexed, isPrimaryKeyConstraintExists, isUniqueConstraintExists, makeRowDecorator, makeTransactableTable, notifyColumnsOfNewLobDir, readColumns, readConstraints, remount, removeConstraint, removeIndex, rename, setName, setType, shutdown, toString, truncateIndices, updateRow, writeColumns, writeConstraints

Methods inherited from class org.axiondb.event.BaseTableModificationPublisher

addTableModificationListener, getTableModificationListeners, publishEvent, removeTableModificationListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.axiondb.Table

addColumn, addConstraint, addIndex, addRow, addTableModificationListener, drop, getColumn, getColumn, getColumnCount, getColumnIdentifiers, getColumnIndex, getConstraints, getIndexedRows, getIndexForColumn, getIndices, getMatchingRows, getName, getRowIterator, getType, hasColumn, hasIndex, isColumnIndexed, isPrimaryKeyConstraintExists, isUniqueConstraintExists, makeRowDecorator, makeTransactableTable, remount, removeConstraint, removeIndex, removeTableModificationListener, rename, shutdown, updateRow

Constructor Detail

MemoryTable

public MemoryTable(String name)

MemoryTable

public MemoryTable(String name,
                   String type)

Method Detail

populateIndex

public void populateIndex(Index index)
                   throws AxionException

Description copied from interface: Table

Populate an Index, adding my current rows to it. Does not addthe index.

Specified by:

populateIndex in interface Table

Specified by:

populateIndex in class BaseTable

Throws:

AxionException

getNextRowId

public int getNextRowId()

Description copied from interface: Table

Reserve a row id.

Specified by:

getNextRowId in interface Table

Specified by:

getNextRowId in class BaseTable

truncate

public void truncate()
              throws AxionException

Description copied from interface: Table

Unconditionally delete all rows in this table.

Specified by:

truncate in interface Table

Returns:

true if truncation succeeded; false otherwise

Throws:

AxionException

freeRowId

public void freeRowId(int id)

Description copied from interface: Table

Un-reserve a row id.

Specified by:

freeRowId in interface Table

Specified by:

freeRowId in class BaseTable

getRowCount

public int getRowCount()

Description copied from interface: Table

Return the number of Rows I contain.

Specified by:

getRowCount in interface Table

Specified by:

getRowCount in class BaseTable

getRow

public Row getRow(int id)

Specified by:

getRow in interface RowSource

Specified by:

getRow in class BaseTable

applyInserts

public void applyInserts(Collection rows)
                  throws AxionException

Description copied from interface: Table

Insert the given rows into this table and any associated indices. This process is allowed to be destructive, the table my delete rows from the given list.

Specified by:

applyInserts in interface Table

Specified by:

applyInserts in class BaseTable

Throws:

AxionException

applyDeletes

public void applyDeletes(org.apache.commons.collections.primitives.IntCollection rowids)
                  throws AxionException

Description copied from interface: Table

Remove the specified rows from this table and any associated indices. This process is allowed to be destructive, the table my delete values from the given list.

Specified by:

applyDeletes in interface Table

Specified by:

applyDeletes in class BaseTable

Throws:

AxionException

applyUpdates

public void applyUpdates(Collection rows)
                  throws AxionException

Description copied from interface: Table

Update the given rows in this table and any associated indices. This process is allowed to be destructive, the table my delete rows from the given list.

Specified by:

applyUpdates in interface Table

Specified by:

applyUpdates in class BaseTable

Throws:

AxionException

getRowIterator

protected RowIterator getRowIterator()
                              throws AxionException

Specified by:

getRowIterator in class BaseTable

Throws:

AxionException