com.powerdata.openpa/AbstractBaseObject.java at master · powerdata/com.powerdata.openpa · GitHub

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package com.powerdata.openpa;
/*
 * Copyright (c) 2016, PowerData Corporation, Incremental Systems Corporation
 * All rights reserved.
 * Licensed under the BSD-3 Clause License.
 * See full license at https://powerdata.github.io/openpa/LICENSE.md
 */


/**
 * Starting point of the base object hierarchy
 *
 * @author chris@powerdata.com
 *
 */
public class AbstractBaseObject implements BaseObject
{
	protected int _ndx;
	protected BaseList<? extends BaseObject> _list;

//	public static final BaseObject Null = new AbstractBaseObject(null, -1)
//	{
//		@Override
//		public String toString()
//		{
//			return "Null";
//		}
//	};
//
	public AbstractBaseObject(BaseList<? extends BaseObject> list, int ndx)
	{
		_list = list;
		_ndx = ndx;
	}

	@Override
	public int getIndex()
	{
		return _list.getIndex(_ndx);
	}
	@Override
	public int getKey()
	{
		return _list.getKey(_ndx);
	}

	@Override
	public String getID() throws PAModelException
	{
		return _list.getID(_ndx);
	}

	@Override
	public void setID(String id) throws PAModelException
	{
		_list.setID(_ndx, id);
	}

	@Override
	public String getName() throws PAModelException
	{
		return _list.getName(_ndx);
	}
	@Override
	public void setName(String name) throws PAModelException
	{
		_list.setName(_ndx, name);
	}

	@Override
	public String toString()
	{
		if (_ndx == -1) return "Null";
		StringBuilder sb = new StringBuilder(getClass().getSimpleName()).append(' ');
		try
		{
			return sb.append(getName()).append(' ').append(getID()).toString();

		} catch (Exception e)
		{
			return sb.append(_ndx).toString();
		}
	}

	@Override
	public BaseList<? extends BaseObject> getList()
	{
		return _list;
	}

	@Override
	public boolean equals(Object obj)
	{
		return _list.objEquals(_ndx, obj);
	}

	@Override
	public int hashCode()
	{
		return _list.objHash(_ndx);
	}


}