Package org.apache.cayenne.access.sqlbuilder

Interface NodeTreeVisitor

All Known Implementing Classes:

BaseSQLTreeProcessor, DB2SQLTreeProcessor, DerbySQLTreeProcessor, FirebirdSQLTreeProcessor, FrontBaseSQLTreeProcessor, H2SQLTreeProcessor, HSQLTreeProcessor, IngressSQLTreeProcessor, MySQLTreeProcessor, OpenBaseSQLTreeProcessor, OracleSQLTreeProcessor, PostgreSQLTreeProcessor, SimpleNodeTreeVisitor, SQLGenerationVisitor, SQLiteTreeProcessor, SQLServerTreeProcessor, SQLServerTreeProcessorV12, SybaseSQLTreeProcessor, TypeAwareSQLTreeProcessor

public interface NodeTreeVisitor

Since:

4.2

Method Summary

Modifier and Type	Method	Description
void	onChildNodeEnd(Node parent, Node child, int index, boolean hasMore)
boolean	onChildNodeStart(Node parent, Node child, int index, boolean hasMore)
void	onNodeEnd(Node node)
boolean	onNodeStart(Node node)

Method Details

onNodeStart

boolean onNodeStart(Node node)

Parameters:

node - to visit

Returns:

false if visitor should stop

onChildNodeStart

boolean onChildNodeStart(Node parent,
 Node child,
 int index,
 boolean hasMore)

Parameters:

parent - node

child - node

index - of this child in parent

hasMore - true if more children after this child

Returns:

false if visitor should stop

onChildNodeEnd

void onChildNodeEnd(Node parent,
 Node child,
 int index,
 boolean hasMore)

onNodeEnd

void onNodeEnd(Node node)