public JSResultSetRow( ExprManager exprManager, IResultIterator odiResult, Scriptable scope )
public JSResultSetRow( IExecutorHelper helper )
	public JSResultSetRow( ExprManager exprManager, IResultIterator odiResult,			Scriptable scope )	{		this.exprManager = exprManager;		this.odiResult = odiResult;		this.currRowIndex = -1;		this.valueCacheMap = new HashMap( );		this.scope = scope;	}