public ChainExecutionsLoadedEvent(HashMap executionsByDataset, HashMap executionsByChain,HashMap executionsByID) {
public ChainExecutionsLoadedEvent(LinkedHashMap executionsByDataset, LinkedHashMap executionsByChain,LinkedHashMap executionsByID) {
    public ChainExecutionsLoadedEvent(HashMap executionsByDataset,    			HashMap executionsByChain,HashMap executionsByID) {   		super();   		setSource(executionsByDataset);   		this.executionsByChain = executionsByChain;   		this.executionsByID = executionsByID;    }