org.apache.polygene.api.util

Class HierarchicalVisitorAdapter<NODE,LEAF,ThrowableType extends Throwable>

java.lang.Object

org.apache.polygene.api.util.HierarchicalVisitorAdapter<NODE,LEAF,ThrowableType>

All Implemented Interfaces:

HierarchicalVisitor<NODE,LEAF,ThrowableType>, Visitor<LEAF,ThrowableType>

public class HierarchicalVisitorAdapter<NODE,LEAF,ThrowableType extends Throwable>
extends Object
implements HierarchicalVisitor<NODE,LEAF,ThrowableType>

Generic Hierarchical Visitor interface.

Constructor Summary

Constructors

Constructor and Description
HierarchicalVisitorAdapter()

Method Summary

Modifier and Type	Method and Description
boolean	visit(LEAF visited) Visit an instance of T
boolean	visitEnter(NODE visited) Enter an instance of T
boolean	visitLeave(NODE visited) Leave an instance of T

Methods inherited from class java.lang.Object

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

Constructor Detail

HierarchicalVisitorAdapter

public HierarchicalVisitorAdapter()

Method Detail

visitEnter

public boolean visitEnter(NODE visited)
                   throws ThrowableType extends Throwable

Description copied from interface: HierarchicalVisitor

Enter an instance of T

Specified by:

visitEnter in interface HierarchicalVisitor<NODE,LEAF,ThrowableType extends Throwable>

Parameters:

visited - the visited instance which is now entered

Returns:

true if the visitor pattern should continue, false if it should be aborted for this level

Throws:

ThrowableType - if an exception occurred during processing. Any client call that initiated the visiting should get the exception in order to handle it properly.

ThrowableType extends Throwable

visitLeave

public boolean visitLeave(NODE visited)
                   throws ThrowableType extends Throwable

Description copied from interface: HierarchicalVisitor

Leave an instance of T

Specified by:

visitLeave in interface HierarchicalVisitor<NODE,LEAF,ThrowableType extends Throwable>

Parameters:

visited - the visited instance which is now left

Returns:

true if the visitor pattern should continue, false if it should be aborted for the level of this node

Throws:

ThrowableType - if an exception occurred during processing. Any client call that initiated the visiting should get the exception in order to handle it properly.

ThrowableType extends Throwable

visit

public boolean visit(LEAF visited)
              throws ThrowableType extends Throwable

Description copied from interface: Visitor

Visit an instance of T

Specified by:

visit in interface HierarchicalVisitor<NODE,LEAF,ThrowableType extends Throwable>

Specified by:

visit in interface Visitor<LEAF,ThrowableType extends Throwable>

Parameters:

visited - the visited instance

Returns:

true if the visitor pattern should continue, false if it should be aborted

Throws:

ThrowableType - if an exception occurred during processing. Any client call that initiated the visiting should get the exception in order to handle it properly.

ThrowableType extends Throwable