86 lines
3.5 KiB
Java
86 lines
3.5 KiB
Java
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/*
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* Copyright (c) 2006,2008 Declarative Engineering LLC.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Declarative Engineering LLC
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* verson 1 which accompanies this distribution, and is available at
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* http://declarativeengineering.com/legal/DE_Developer_License_v1.txt
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*/
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package com.foundation.view.definition;
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import com.foundation.metadata.Attribute;
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import com.foundation.util.IManagedList;
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import com.foundation.util.ManagedList;
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import com.foundation.util.xml.IElement;
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/**
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* Association nodes are used by an association target or link to build an arbitrary tree of listeners to models which will indicate that the target value has been altered.
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*/
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public class AssociationNodePart extends AbstractPart implements IAssociationNodePart {
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public static final Attribute EVENTS = registerCollection(AssociationNodePart.class, "events", AO_LAZY);
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public static final Attribute ATTRIBUTES = registerCollection(AssociationNodePart.class, "attributes", AO_LAZY);
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public static final Attribute ROW_TYPE_NAME = registerAttribute(AssociationNodePart.class, "rowTypeName");
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/**
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* AssociationNodePart constructor.
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* <p><b>Warning: Only public for the purpose of creating reflections.</b></p>
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*/
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public AssociationNodePart() {
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}//AssociationNodePart()//
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/**
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* AssociationNodePart constructor.
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* @param parent The target which is defining this node.
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* @param component The component referencing the attribute.
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* @param documentElement The optional element of the document that defines this association. This is used for debugging.
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*/
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public AssociationNodePart(IComponentData component, IElement documentElement) {
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super(component);
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setDocumentElement(documentElement);
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}//AssociationNodePart()//
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/* (non-Javadoc)
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* @see com.foundation.common.Entity#lazyLoadAttribute(com.foundation.metadata.Attribute)
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*/
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protected Object lazyLoadAttribute(Attribute attribute) {
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Object result = null;
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if(attribute == EVENTS) {
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result = new ManagedList(5, 20);
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}//if//
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else if(attribute == ATTRIBUTES) {
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result = new ManagedList(5, 20);
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}//else if//
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else {
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result = super.lazyLoadAttribute(attribute);
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}//else//
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return result;
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}//lazyLoadAttribute()//
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/**
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* Gets the event names that should be listened to for the leaf node.
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* <p>Warning: This is only valid for leaf nodes.</p>
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* @return The collection of String instances, one for each event listened to on the association's result.
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*/
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public IManagedList getEvents() {
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return (IManagedList) getAttributeValue(EVENTS);
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}//getEvents()//
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/**
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* Gets the attributes names that should be listened to for the leaf node.
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* <p>Warning: This is only valid for leaf nodes.</p>
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* @return The collection of String instances, one for each attribute listened to on the association's result.
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*/
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public IManagedList getAttributes() {
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return (IManagedList) getAttributeValue(ATTRIBUTES);
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}//getAttributes()//
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/**
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* Gets the qualified class name which defines what values this node applies to.
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* @return The qualified class name of the row type supported by this association node.
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*/
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public String getRowTypeName() {
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return (String) getAttributeValue(ROW_TYPE_NAME);
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}//getRowTypeName()//
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/**
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* Sets the qualified class name which defines what values this node applies to.
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* @param rowTypeName The qualified class name of the row type supported by this association node.
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*/
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public void setRowTypeName(String rowTypeName) {
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setAttributeValue(ROW_TYPE_NAME, rowTypeName);
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}//setRowTypeName()//
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}//AssociationNodePart//
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