80 lines
2.5 KiB
Java
80 lines
2.5 KiB
Java
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/*
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* Copyright (c) 2005,2009 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.tcv.swt;
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import java.io.IOException;
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import java.io.ObjectInput;
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import java.io.ObjectOutput;
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/*
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* Encapsulates one node of data which is associated with an object in the table.
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*/
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public class TreeNodeData implements java.io.Externalizable {
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/** The object identifier for the row being added. */
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private int objectId;
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/** The data for the node. */
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private Object data;
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/** Whether the node could possibly have children. */
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private boolean canHaveChildren = false;
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/**
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* TreeNodeData constructor.
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*/
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public TreeNodeData() {
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}//TreeNodeData()//
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/**
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* TreeNodeData constructor.
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* @param objectId The object identifier for the row being added.
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* @param data The data for the node.
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* @param canHaveChildren Whether the node could possibly have children.
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*/
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public TreeNodeData(int objectId, Object data, boolean canHaveChildren) {
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this.objectId = objectId;
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this.data = data;
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this.canHaveChildren = canHaveChildren;
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}//TreeNodeData()//
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/**
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* Gets the object identifier for the row.
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* @return The object identifier which identifies the object that is associated with the row of data. Note that there can be more than one row per object id.
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*/
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public int getObjectId() {
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return objectId;
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}//getObjectId()//
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/**
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* Determines whether the node could possibly have children.
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* @return Whether the node might have children.
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*/
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public boolean canHaveChildren() {
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return canHaveChildren;
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}//canHaveChildren()//
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/**
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* Gets the data used to display the node.
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* @return The data for the node.
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*/
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public Object getData() {
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return data;
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}//getData()//
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/* (non-Javadoc)
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* @see java.io.Externalizable#readExternal(java.io.ObjectInput)
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*/
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public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
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/*byte version = */in.readByte();
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objectId = in.readInt();
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data = in.readObject();
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canHaveChildren = in.readBoolean();
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}//readExternal()//
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/* (non-Javadoc)
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* @see java.io.Externalizable#writeExternal(java.io.ObjectOutput)
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*/
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public void writeExternal(ObjectOutput out) throws IOException {
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out.writeByte(0);
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out.writeInt(objectId);
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out.writeObject(data);
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out.writeBoolean(canHaveChildren);
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}//writeExternal()//
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}//TreeNodeData//
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