package org.whole.lang.rdb.visitors;
import org.whole.lang.visitors.GenericTraversalFactory;
import org.whole.lang.visitors.IVisitor;
import org.whole.lang.visitors.IBinaryVisitor;
import org.whole.lang.visitors.IUnaryVisitor;
/**
* @generator Whole
*/
public class RDBTraversalFactory extends GenericTraversalFactory {
public static final RDBTraversalFactory instance = new RDBTraversalFactory();
private RDBTraversalFactory() {
}
protected IVisitor ensureSpecific(IVisitor visitor) {
if (visitor instanceof IRDBVisitor)
return visitor;
else
return new RDBForwardGenericVisitor(visitor);
}
public IVisitor failure() {
return new RDBFailureVisitor();
}
public IVisitor identity() {
return new RDBIdentityVisitor();
}
public IVisitor forwardStaged() {
return new RDBForwardStagedVisitor();
}
public IBinaryVisitor sequence(IVisitor visitor1, IVisitor visitor2) {
return new RDBSequenceVisitor(ensureSpecific(visitor1),
ensureSpecific(visitor2));
}
public IUnaryVisitor traverseAll(IVisitor visitor1) {
return new RDBTraverseAllVisitor(ensureSpecific(visitor1));
}
public IUnaryVisitor traverseAllChildren(IVisitor visitor1) {
return new RDBTraverseAllChildrenVisitor(ensureSpecific(visitor1));
}
public IUnaryVisitor traverseAllAdjacents(IVisitor visitor1) {
return new RDBTraverseAllAdjacentsVisitor(ensureSpecific(visitor1));
}
}