org.deegree.io.datastore.sql.transaction.delete
Class TableNode

java.lang.Object
  org.deegree.io.datastore.sql.transaction.delete.TableNode

public class TableNode
extends Object

Represents a table row that has to be deleted as part of a Delete operation.

Connected table entries (rows that refer to this row or that are referenced by this row) are also stored.

Version:

$Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Thu, 18 Jun 2009) $

Author:

Markus Schneider, last edited by: $Author: mschneider $

See Also:

TableGraph

Constructor Summary

TableNode(FeatureId fid)
Creates a new DeleteNode instance for a feature instance.

TableNode(String table, Collection<KeyColumn> keyColumns)
Creates a new DeleteNode instance.

Method Summary

(package private) void	connect(TableNode targetNode) Connects this node to the given target node.
boolean	equals(Object obj)
(package private) Collection<KeyColumn>	getKeyColumns() Returns the key columns that identify the table row.
(package private) KeyColumn	getKeyColumnValue(String columnName) Returns the value for the given key column name.
(package private) Collection<TableNode>	getPostNodes() Returns the set of post nodes, i.e. table rows that are referenced by this row.
(package private) Collection<TableNode>	getPreNodes() Returns the set of pre nodes, i.e. table rows that refer to this row.
(package private) String	getTable() Returns the table name.
int	hashCode()
(package private) boolean	isDeleteVetoPossible()
(package private) void	setDeleteVetoPossible()
String	toString()
(package private) String	toString(String indent, Set<TableNode> printedNodes)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TableNode

TableNode(String table,
          Collection<KeyColumn> keyColumns)

Creates a new DeleteNode instance.

Parameters:

table -

keyColumns -

TableNode

TableNode(FeatureId fid)

Creates a new DeleteNode instance for a feature instance.

Parameters:

fid -

Method Detail

isDeleteVetoPossible

boolean isDeleteVetoPossible()

setDeleteVetoPossible

void setDeleteVetoPossible()

getTable

String getTable()

Returns the table name.

Returns:

the table name

getKeyColumns

Collection<KeyColumn> getKeyColumns()

Returns the key columns that identify the table row.

Returns:

the key columns that identify the table row

getKeyColumnValue

KeyColumn getKeyColumnValue(String columnName)

Returns the value for the given key column name.

Parameters:

columnName -

Returns:

the value for the given key column name

getPostNodes

Collection<TableNode> getPostNodes()

Returns the set of post nodes, i.e. table rows that are referenced by this row.

Returns:

the set of post nodes

getPreNodes

Collection<TableNode> getPreNodes()

Returns the set of pre nodes, i.e. table rows that refer to this row.

Returns:

the set of pre nodes

connect

void connect(TableNode targetNode)

Connects this node to the given target node.

NOTE: The target node is the one that stores the primary key.

Parameters:

targetNode -

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

toString

String toString(String indent,
                Set<TableNode> printedNodes)