Bug 206861 The data set cache should handle IOException and the cancel request from customer
The data set data will be saved into disk file in the first query and it will be loaded in the later time. The processing of write disk file may be cancelled by customer request or IOException. Using the data from the bad file will cause error.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/cache/OdiAdapter.java
* Construction
	 * 
	 * @param customDataSet
	 */
	OdiAdapter( ResultSetCache resultSetCache )
	{
		assert resultSetCache != null;
		this.resultSetCache = resultSetCache;
	}
	/**
	 * Construction
	 * 
	 * @param customDataSet
	 */
	public OdiAdapter( IResultIterator resultSetCache )
	{
		assert resultSetCache != null;
		this.resultIterator = resultSetCache;
	}
	
	/**
	 * Construction
	 * 
	 * @param roReader
	 */
	OdiAdapter( ResultObjectReader roReader )
	{
		assert roReader != null;
		this.roReader = roReader;
	}