org.axiondb.engine
Class TransactableTableImpl

java.lang.Object
  extended by org.axiondb.event.BaseTableModificationPublisher
      extended by org.axiondb.engine.tables.AbstractBaseTable
          extended by org.axiondb.engine.TransactableTableImpl
All Implemented Interfaces:
RowSource, Table, Transactable, TransactableTable

public final class TransactableTableImpl
extends AbstractBaseTable
implements TransactableTable

An implemenation of TransactableTable.

Version:
$Revision: 1.90 $ $Date: 2005/12/22 09:02:29 $

Field Summary
 
Fields inherited from interface org.axiondb.Table
REGULAR_TABLE_TYPE, SYSTEM_TABLE_TYPE
 
Constructor Summary
TransactableTableImpl(Table table)
           
 
Method Summary
 void addColumn(Column col)
          Add the given Columnto this table.
 void addConstraint(Constraint constraint)
           
 void addIndex(Index index)
          Add an index, associating it with a Column, and adding it as a org.axiondb.TableModificationListenerto the table.
 void addRow(Row row)
          Insert the given Row.
 void apply()
          Apply this committedtransaction..
 void applyDeletes(org.apache.commons.collections.primitives.IntCollection rowids)
          Remove the specified rows from this table and any associated indices.
 void applyInserts(RowCollection rows)
          Insert the given rows into this table and any associated indices.
 void applyUpdates(RowCollection rows)
          Update the given rows in this table and any associated indices.
 void checkpoint()
           
 void commit()
          This transaction has been committed.
 void deleteRow(Row row)
          Delete the given Row.
 void drop()
          Drop this table from the database.
 void freeRowId(int id)
          Un-reserve a row id.
 Column getColumn(int index)
          Return the Columncorresponding to the given zero-based index .
 Column getColumn(String name)
          Return the Columnfor the given name .
 int getColumnCount()
          Return the number of Columns I contain.
 List getColumnIdentifiers()
          Return an readonly Listover the ColumnIdentifiersfor my Columns.
 int getColumnIndex(String name)
          Return the zero-based index of the Columnwith the given name .
 Constraint getConstraint(String name)
           
 Iterator getConstraints()
           
 RowIterator getIndexedRows(RowSource source, Selectable node, boolean readOnly)
           
 RowIterator getIndexedRows(Selectable node, boolean readOnly)
           
 Index getIndexForColumn(Column column)
          Return the first Indexthat pertains to the given Column, or null if no such Indexexists.
 Iterator getIndices()
          Obtain an Iteratorover my indices.
 String getName()
          Get the name of this table.
 int getNextRowId()
          Reserve a row id.
 Row getRow(int id)
           
 int getRowCount()
          Return the number of Rows I contain.
 RowIterator getRowIterator(boolean readOnly)
          Obtain an iteratorover my Rows.
 Sequence getSequence()
           
 Table getTable()
           
 String getType()
          Get the type of this table.
 boolean hasColumn(ColumnIdentifier id)
          Indicate whether the ColumnIdentifierreferences a column in this table
 boolean hasIndex(String name)
           
 boolean isColumnIndexed(Column column)
          Check to see if an Indexexists for the given Column
protected  boolean isDeferAll()
           
 boolean isPrimaryKeyConstraintExists(String columnName)
          Check if primary constraint exists on a column
 boolean isUniqueConstraintExists(String columnName)
          Check if unique constraint exists on a column
 RowDecorator makeRowDecorator()
           
 TransactableTable makeTransactableTable()
          Create a TransactableTablefor this table.
 void populateIndex(Index index)
          Populate an Index, adding my current rows to it.
 void remount(File dir, boolean dataOnly)
          Notify this table that its disk-location has moved.
 Constraint removeConstraint(String name)
           
 void removeIndex(Index index)
          Remove an index, both from the indices and as a TableModificationListener
 void rename(String oldName, String newName)
           
 void rollback()
          This transaction has been aborted.
 void setDeferAllConstraints(boolean deferAll)
           
 void setSequence(Sequence seq)
           
 void shutdown()
          The database is shutting down, shutdown this table also.
 String toString()
           
 void truncate()
          Unconditionally delete all rows in this table.
 void updateRow(Row oldrow, Row newrow)
          Update the given Row.
 
Methods inherited from class org.axiondb.engine.tables.AbstractBaseTable
checkConstraints, checkConstraints, checkConstraints, getMatchingRows, hasDeferredConstraint, migrate
 
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
addTableModificationListener, getMatchingRows, getTableModificationListeners, migrate, removeTableModificationListener
 

Constructor Detail

TransactableTableImpl

public TransactableTableImpl(Table table)
Method Detail

getName

public final String getName()
Description copied from interface: Table
Get the name of this table.

Specified by:
getName in interface Table

getTable

public final Table getTable()

getType

public final String getType()
Description copied from interface: Table
Get the type of this table.

Specified by:
getType in interface Table

makeRowDecorator

public final RowDecorator makeRowDecorator()
Specified by:
makeRowDecorator in interface RowSource
Specified by:
makeRowDecorator in interface Table

addConstraint

public void addConstraint(Constraint constraint)
                   throws AxionException
Specified by:
addConstraint in interface Table
Throws:
AxionException

removeConstraint

public Constraint removeConstraint(String name)
Specified by:
removeConstraint in interface Table

getConstraint

public final Constraint getConstraint(String name)
Specified by:
getConstraint in interface Table

getConstraints

public final Iterator getConstraints()
Specified by:
getConstraints in interface Table

isUniqueConstraintExists

public boolean isUniqueConstraintExists(String columnName)
Check if unique constraint exists on a column

Specified by:
isUniqueConstraintExists in interface Table
Parameters:
columnName - name of the columm
Returns:
true if uniqueConstraint exists on the column

isPrimaryKeyConstraintExists

public boolean isPrimaryKeyConstraintExists(String columnName)
Check if primary constraint exists on a column

Specified by:
isPrimaryKeyConstraintExists in interface Table
Parameters:
ColumnName - name of the column
Returns:
if PrimaryKeyConstraint exists on the column

addIndex

public void addIndex(Index index)
              throws AxionException
Description copied from interface: Table
Add an index, associating it with a Column, and adding it as a org.axiondb.TableModificationListenerto the table.

Specified by:
addIndex in interface Table
Throws:
AxionException
See Also:
Table.addIndex(org.axiondb.Index), Table.addTableModificationListener(org.axiondb.event.TableModificationListener), Table.getIndexForColumn(org.axiondb.Column), Table.isColumnIndexed(org.axiondb.Column), Table.populateIndex(org.axiondb.Index)

removeIndex

public void removeIndex(Index index)
                 throws AxionException
Description copied from interface: Table
Remove an index, both from the indices and as a TableModificationListener

Specified by:
removeIndex in interface Table
Throws:
AxionException

hasIndex

public final boolean hasIndex(String name)
                       throws AxionException
Specified by:
hasIndex in interface Table
Throws:
AxionException

populateIndex

public final 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
Throws:
AxionException
See Also:
Table.addIndex(org.axiondb.Index)

getIndexForColumn

public final Index getIndexForColumn(Column column)
Description copied from interface: Table
Return the first Indexthat pertains to the given Column, or null if no such Indexexists.

Specified by:
getIndexForColumn in interface Table
Returns:
the pertinent Column, or null if no such Indexexists

isColumnIndexed

public final boolean isColumnIndexed(Column column)
Description copied from interface: Table
Check to see if an Indexexists for the given Column

Specified by:
isColumnIndexed in interface Table
Parameters:
column - Columnto check
Returns:
true iff there is an existing Indexfor the given Column

addColumn

public void addColumn(Column col)
               throws AxionException
Description copied from interface: Table
Add the given Columnto this table.

Specified by:
addColumn in interface Table
Throws:
AxionException

getColumn

public final Column getColumn(int index)
Description copied from interface: Table
Return the Columncorresponding to the given zero-based index .

Specified by:
getColumn in interface Table

getColumn

public final Column getColumn(String name)
Description copied from interface: Table
Return the Columnfor the given name .

Specified by:
getColumn in interface Table

hasColumn

public final boolean hasColumn(ColumnIdentifier id)
Description copied from interface: Table
Indicate whether the ColumnIdentifierreferences a column in this table

Specified by:
hasColumn in interface Table

getColumnIndex

public final int getColumnIndex(String name)
                         throws AxionException
Description copied from interface: Table
Return the zero-based index of the Columnwith the given name .

Specified by:
getColumnIndex in interface RowSource
Specified by:
getColumnIndex in interface Table
Throws:
AxionException

getColumnIdentifiers

public final List getColumnIdentifiers()
Description copied from interface: Table
Return an readonly Listover the ColumnIdentifiersfor my Columns.

Specified by:
getColumnIdentifiers in interface Table

getColumnCount

public final int getColumnCount()
Description copied from interface: Table
Return the number of Columns I contain.

Specified by:
getColumnCount in interface RowSource
Specified by:
getColumnCount in interface Table

getIndices

public final Iterator getIndices()
Description copied from interface: Table
Obtain an Iteratorover my indices.

Specified by:
getIndices in interface Table

addRow

public void addRow(Row row)
            throws AxionException
Description copied from interface: Table
Insert the given Row.

Specified by:
addRow in interface Table
Throws:
AxionException

getRowIterator

public RowIterator getRowIterator(boolean readOnly)
                           throws AxionException
Description copied from interface: Table
Obtain an iteratorover my Rows.

Specified by:
getRowIterator in interface Table
Parameters:
readOnly - when true, the caller does not expect to be able to modify (i.e., call RowIterator.set(org.axiondb.Row)or RowIterator.remove()on) the returned RowIterator, the returned iterator may be unmodifiable.
Throws:
AxionException

getIndexedRows

public RowIterator getIndexedRows(Selectable node,
                                  boolean readOnly)
                           throws AxionException
Specified by:
getIndexedRows in interface Table
readOnly - when true, the caller does not expect to be able to modify (i.e., call RowIterator.set(org.axiondb.Row)or RowIterator.remove()on) the returned RowIterator, the returned iterator may be unmodifiable.
Throws:
AxionException

getIndexedRows

public RowIterator getIndexedRows(RowSource source,
                                  Selectable node,
                                  boolean readOnly)
                           throws AxionException
Specified by:
getIndexedRows in interface Table
Throws:
AxionException

getRowCount

public final int getRowCount()
Description copied from interface: Table
Return the number of Rows I contain.

Specified by:
getRowCount in interface Table

getNextRowId

public final int getNextRowId()
Description copied from interface: Table
Reserve a row id.

Specified by:
getNextRowId in interface Table

freeRowId

public final void freeRowId(int id)
Description copied from interface: Table
Un-reserve a row id.

Specified by:
freeRowId in interface Table

drop

public void drop()
          throws AxionException
Description copied from interface: Table
Drop this table from the database.

Specified by:
drop in interface Table
Throws:
AxionException

checkpoint

public void checkpoint()
                throws AxionException
Specified by:
checkpoint in interface Table
Throws:
AxionException

shutdown

public void shutdown()
              throws AxionException
Description copied from interface: Table
The database is shutting down, shutdown this table also.

Specified by:
shutdown in interface Table
Throws:
AxionException

setDeferAllConstraints

public void setDeferAllConstraints(boolean deferAll)
Specified by:
setDeferAllConstraints in interface Table
Overrides:
setDeferAllConstraints in class BaseTableModificationPublisher

setSequence

public void setSequence(Sequence seq)
                 throws AxionException
Specified by:
setSequence in interface Table
Throws:
AxionException

getSequence

public final Sequence getSequence()
Specified by:
getSequence in interface Table

remount

public void remount(File dir,
                    boolean dataOnly)
             throws AxionException
Description copied from interface: Table
Notify this table that its disk-location has moved.

Specified by:
remount in interface Table
Throws:
AxionException

rename

public void rename(String oldName,
                   String newName)
            throws AxionException
Specified by:
rename in interface Table
Throws:
AxionException

getRow

public Row getRow(int id)
           throws AxionException
Specified by:
getRow in interface RowSource
Throws:
AxionException

applyInserts

public final void applyInserts(RowCollection 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
Parameters:
rows - a collection of Rows
Throws:
AxionException

applyDeletes

public final 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
Throws:
AxionException

applyUpdates

public final void applyUpdates(RowCollection 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
Throws:
AxionException

commit

public void commit()
            throws AxionException
Description copied from interface: Transactable
This transaction has been committed.

Specified by:
commit in interface Transactable
Throws:
AxionException

rollback

public void rollback()
              throws AxionException
Description copied from interface: Transactable
This transaction has been aborted.

Specified by:
rollback in interface Transactable
Throws:
AxionException

apply

public void apply()
           throws AxionException
Description copied from interface: Transactable
Apply this committedtransaction..

Specified by:
apply in interface Transactable
Throws:
AxionException

makeTransactableTable

public final TransactableTable makeTransactableTable()
Description copied from interface: Table
Create a TransactableTablefor this table.

Specified by:
makeTransactableTable in interface Table

deleteRow

public void deleteRow(Row row)
               throws AxionException
Description copied from interface: Table
Delete the given Row.

Specified by:
deleteRow in interface Table
Throws:
AxionException

updateRow

public void updateRow(Row oldrow,
                      Row newrow)
               throws AxionException
Description copied from interface: Table
Update the given Row.

Specified by:
updateRow in interface Table
Throws:
AxionException

isDeferAll

protected final boolean isDeferAll()
Overrides:
isDeferAll in class AbstractBaseTable

truncate

public void truncate()
              throws AxionException
Description copied from interface: Table
Unconditionally delete all rows in this table.

Specified by:
truncate in interface Table
Throws:
AxionException

toString

public String toString()
Overrides:
toString in class Object