IdentifierValue.java

package org.nlamah.QLS.Model.Value;

import org.nlamah.QLS.Interfaces.QLSNodeVisitor;
import org.nlamah.QLS.Model.Abstract.QLSNode;

public class IdentifierValue extends QLSNode
{
	private String identifier;

	public IdentifierValue(String identifier)
	{
		this.identifier = identifier;
	}

	@Override
	public QLSNode accept(QLSNodeVisitor visitor) 
	{
		return visitor.visit(this);
	}

	@Override
	public String toString()
	{
		return identifier;
	}

	@Override 
	public boolean equals(Object object) 
	{	
		if (this == object)
		{
			return true;
		}

		if (!(object instanceof IdentifierValue))
		{
			return false;
		}

		IdentifierValue value = (IdentifierValue) object;


		if (!(this.identifier.equals(value.identifier)))
		{
			return false;
		}

		return true;
	}
	
	@Override
	public int hashCode()
	{
		if (identifier == null)
		{
			return 0;
		}
		
		return identifier.hashCode();
	}
}