org.xcmis.search
Class Visitors.NavigationVisitor

java.lang.Object
  org.xcmis.search.Visitors.NavigationVisitor

All Implemented Interfaces:

QueryObjectModelVisitor

Direct Known Subclasses:

Visitors.WalkAllVisitor

Enclosing class:

Visitors

public abstract static class Visitors.NavigationVisitor
extends Object
implements QueryObjectModelVisitor

An abstract visitor implementation that performs navigation of the query object.

Subclasses should always implement the visit(T object) methods by performing the following actions:

1. Call strategy.visit(object);
2. Add any children of object that are to be visited using enqueue(QueryElement)
3. Call visitNext()

Field Summary

protected QueryObjectModelVisitor

strategy

Constructor Summary

protected

Visitors.NavigationVisitor(QueryObjectModelVisitor strategy) Create a visitor that walks all query objects.

Method Summary

protected void	enqueue(Iterable<? extends QueryElement> objectsToBeVisited)
protected void	enqueue(QueryElement objectToBeVisited)
protected void	visitNext()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.xcmis.search.QueryObjectModelVisitor

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

Field Detail

strategy

protected final QueryObjectModelVisitor strategy

Constructor Detail

Visitors.NavigationVisitor

protected Visitors.NavigationVisitor(QueryObjectModelVisitor strategy)

Create a visitor that walks all query objects.

Parameters:

strategy - the visitor that should be called at every node.

Method Detail

enqueue

protected final void enqueue(Iterable<? extends QueryElement> objectsToBeVisited)

enqueue

protected final void enqueue(QueryElement objectToBeVisited)

visitNext

protected final void visitNext()
                        throws VisitException

Throws:

VisitException