msim.model

Class LinkageNode.ApplyingNodeHandler

java.lang.Object

msim.model.LinkageNode.ApplyingNodeHandler

All Implemented Interfaces:

LinkageNode.NodeHandler

Enclosing class:

LinkageNode

public static class LinkageNode.ApplyingNodeHandler
extends java.lang.Object
implements LinkageNode.NodeHandler

Generic LinkageNode.NodeHandler impl that delegates to an object implementing an apply(Object[]) method.

The apply(Object[]) method is passed the argument vector {node} where node is the parameter passed to handleNode(msim.model.LinkageNode). If it returns a Boolean or a boolean with then the value has the same semantics as LinkageNode.NodeHandler.handleNode(msim.model.LinkageNode); other return types are treated as true.

This is primarily for integration with higher-level scripting environments such as JScheme.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.Object	appliccable the delegate
protected java.lang.reflect.Method	applyMethod the apply method on the delegate

Constructor Summary

Constructors

Constructor and Description
LinkageNode.ApplyingNodeHandler(java.lang.Object appliccable) uses default applyMethodName
LinkageNode.ApplyingNodeHandler(java.lang.Object appliccable, java.lang.String applyMethodName) Make a new delegating handler.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	handleNode(LinkageNode node) Delegates to appliccable.apply(Object[]), see class header doc.

Methods inherited from class java.lang.Object

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

Field Detail

appliccable

protected final java.lang.Object appliccable

the delegate

applyMethod

protected final java.lang.reflect.Method applyMethod

the apply method on the delegate

Constructor Detail

LinkageNode.ApplyingNodeHandler

public LinkageNode.ApplyingNodeHandler(java.lang.Object appliccable,
                               java.lang.String applyMethodName)

Make a new delegating handler.

Parameters:

applyMethodName - the name of the apply(Object[]) method, or null to use "apply"

LinkageNode.ApplyingNodeHandler

public LinkageNode.ApplyingNodeHandler(java.lang.Object appliccable)

uses default applyMethodName

Method Detail

handleNode

public boolean handleNode(LinkageNode node)

Delegates to appliccable.apply(Object[]), see class header doc.

Specified by:

handleNode in interface LinkageNode.NodeHandler

Returns:

false to abort traversal