Bug 213824 The data fetch setting in dataset(row limit number) isn't effect.
Steps To Reproduce: Please refer to issue #210606, the data fetch setting in dataset isn't effect. Thanks.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/DataSetCacheManager.java
{
		return this.dataSetDesign;
	}
	
	/**
	 * 
	 * @return
	 */
	public Collection getCurrentParameterHints()
	{
		if ( this.parameterHints != null )
			return this.parameterHints;
		else
			return new ArrayList();
	}
	
	/**
	 * 
	 * @return
	 */
	public Map getCurrentAppContext()
	{
		return this.appContext;
	}
	
	/**
	 * Enable cache on data set
	 * 
	 * @param cacheOption
	 */