com.bonevich.erj.model
Class ModelElementTraverser

java.lang.Object
  |
  +--com.bonevich.erj.model.ModelElementTraverser

All Implemented Interfaces:

KeyVisitor, ModelElementVisitor

public final class ModelElementTraverser

extends java.lang.Object

implements ModelElementVisitor, KeyVisitor

Utility class for traversing the tree of ModelElements and performing some function on each node visited. The traversal occurs in the following order, from left to right, top to bottom:

      Schema
         |
    ------------
   |            |
  Domain      Relation
                |
         ---------------
        |               |
    Attribute       KeyConstraint (UniqueKey, PrimaryKey, ForeignKey)
 

Author:

Jeffrey D. Bonevich

See Also:

ModelElementTraverser

Constructor Summary

ModelElementTraverser(com.bonevich.util.Functor f)

Method Summary

void	traverse(ModelElement element)
void	visitAttribute(Attribute element)
void	visitDomain(Domain element)
void	visitForeignKey(ForeignKey key)
void	visitKey(KeyConstraint element)
void	visitPrimaryKey(PrimaryKey key)
void	visitRelation(Relation element)
void	visitSchema(Schema element)
void	visitUniqueKey(UniqueKey key)

Methods inherited from class java.lang.Object

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

Constructor Detail

ModelElementTraverser

public ModelElementTraverser(com.bonevich.util.Functor f)

Method Detail

traverse

public void traverse(ModelElement element)

visitSchema

public void visitSchema(Schema element)

Specified by:

visitSchema in interface ModelElementVisitor

visitRelation

public void visitRelation(Relation element)

Specified by:

visitRelation in interface ModelElementVisitor

visitAttribute

public void visitAttribute(Attribute element)

Specified by:

visitAttribute in interface ModelElementVisitor

visitDomain

public void visitDomain(Domain element)

Specified by:

visitDomain in interface ModelElementVisitor

visitKey

public void visitKey(KeyConstraint element)

Specified by:

visitKey in interface ModelElementVisitor

visitUniqueKey

public void visitUniqueKey(UniqueKey key)

Specified by:

visitUniqueKey in interface KeyVisitor

visitPrimaryKey

public void visitPrimaryKey(PrimaryKey key)

Specified by:

visitPrimaryKey in interface KeyVisitor

visitForeignKey

public void visitForeignKey(ForeignKey key)

Specified by:

visitForeignKey in interface KeyVisitor