@Override
public boolean isCompatible(MarketDataSpecification marketDataSpec) {
if (!(marketDataSpec instanceof CombinedMarketDataSpecification)) {
return false;
}
CombinedMarketDataSpecification combinedMarketDataSpec =
(CombinedMarketDataSpecification) marketDataSpec;
return _preferred.isCompatible(combinedMarketDataSpec.getPreferredSpecification())
&& _fallBack.isCompatible(combinedMarketDataSpec.getFallbackSpecification());
}
@Override
public MarketDataSnapshot snapshot(MarketDataSpecification marketDataSpec) {
CombinedMarketDataSpecification combinedSpec = (CombinedMarketDataSpecification) marketDataSpec;
Map<MarketDataProvider, MarketDataSnapshot> snapByProvider =
new HashMap<MarketDataProvider, MarketDataSnapshot>();
snapByProvider.put(_preferred, _preferred.snapshot(combinedSpec.getPreferredSpecification()));
snapByProvider.put(_fallBack, _fallBack.snapshot(combinedSpec.getFallbackSpecification()));
MarketDataSnapshot preferredSnap = snapByProvider.get(_preferred);
return new CombinedMarketDataSnapshot(preferredSnap, snapByProvider, this);
}