org.javagen.agile.db.visitor
Class DefaultDatabaseVisitor

java.lang.Object
  org.javagen.agile.db.visitor.DefaultDatabaseVisitor

All Implemented Interfaces:

Generator, Visit, Visitor, DatabaseVisitor

Direct Known Subclasses:

AutoIncrementFinderVisitor, IdAssignerDatabaseVisitor, LinkTableFinderVisitor, UniqueColumnTypeVisitor, UniquePKFinderVisitor

public class DefaultDatabaseVisitor
extends Object
implements DatabaseVisitor, Generator

Walks the database model tree, calling each visitor method for types in the itinerary.

Author:

Richard Easterling

Field Summary

protected Set<String>	itinerary
protected String	relativeInputPath

Fields inherited from interface org.javagen.agile.db.visitor.DatabaseVisitor

ALL_MODEL_TYPES, FK_ONLY_MODEL_TYPES, NON_FK_MODEL_TYPES

Constructor Summary

DefaultDatabaseVisitor()

Method Summary

Model	gen(Model input) Walks the database model tree.
String	getRelativeInputPath()
Set<String>	itinerary() A way to limit node traversal to a subset of model instances.
void	setItinerary(Set<String> itinerary)
void	setItinerary(String[] modelTypeNames)
void	setRelativeInputPath(String relativeInputPath)
void	visit(Column column)
void	visit(ColumnReference columnReference)
void	visit(Database database)
void	visit(FkConstraint fkConstraint)
void	visit(Model model) Called to perform a specific process on a model instance.
void	visit(PkColumn pkColumn)
void	visit(Table table)
void	visit(UniqueConstraint uniqueConstraint)

Methods inherited from class java.lang.Object

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

Field Detail

itinerary

protected Set<String> itinerary

relativeInputPath

protected String relativeInputPath

Constructor Detail

DefaultDatabaseVisitor

public DefaultDatabaseVisitor()

Method Detail

gen

public Model gen(Model input)

Walks the database model tree.

Specified by:

gen in interface Generator

Parameters:

input - must be either a Database model or if a relativeInputPath is provided, should result in a Database model after navigating the relativeInputPath form the input node.

Returns:

the input node

itinerary

public Set<String> itinerary()

Description copied from interface: Visitor

A way to limit node traversal to a subset of model instances.

Specified by:

itinerary in interface Visitor

Returns:

set of tags defining a subset of model types to visit or null if all nodes should be visited.

visit

public void visit(Database database)

Specified by:

visit in interface DatabaseVisitor

visit

public void visit(Table table)

Specified by:

visit in interface DatabaseVisitor

visit

public void visit(Column column)

Specified by:

visit in interface DatabaseVisitor

visit

public void visit(ColumnReference columnReference)

Specified by:

visit in interface DatabaseVisitor

visit

public void visit(FkConstraint fkConstraint)

Specified by:

visit in interface DatabaseVisitor

visit

public void visit(PkColumn pkColumn)

Specified by:

visit in interface DatabaseVisitor

visit

public void visit(UniqueConstraint uniqueConstraint)

Specified by:

visit in interface DatabaseVisitor

visit

public void visit(Model model)

Description copied from interface: Visit

Called to perform a specific process on a model instance.

Specified by:

visit in interface Visit

Specified by:

visit in interface Visitor

Parameters:

model - instance to visit.

setItinerary

public void setItinerary(Set<String> itinerary)

setItinerary

public void setItinerary(String[] modelTypeNames)

getRelativeInputPath

public String getRelativeInputPath()

setRelativeInputPath

public void setRelativeInputPath(String relativeInputPath)