本文整理匯總了Java中com.google.common.collect.ListMultimap.containsKey方法的典型用法代碼示例。如果您正苦於以下問題：Java ListMultimap.containsKey方法的具體用法？Java ListMultimap.containsKey怎麽用？Java ListMultimap.containsKey使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類com.google.common.collect.ListMultimap的用法示例。
在下文中一共展示了ListMultimap.containsKey方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: getMappings
import com.google.common.collect.ListMultimap; //導入方法依賴的package包/類
public <T extends CompleteWork> ListMultimap<Integer, T> getMappings(
final List<NodeEndpoint> endpoints, final List<T> units) throws PhysicalOperatorSetupException {
verify(endpoints, units, units.size() >= endpoints.size(), "There should be at least one work unit for each hard affinity node.");
// First, group endpoints by hostname. There could be multiple endpoints on same host
final ListMultimap<String, Integer> endpointsOnHostMap = ArrayListMultimap.create();
int index = 0;
for(NodeEndpoint incoming : endpoints) {
endpointsOnHostMap.put(incoming.getAddress(), index);
index++;
}
// Convert the multi-map <String,Integer> into a map <String, Iterator<Integer>>
final Map<String, Iterator<Integer>> endpointIteratorOnHostMap = Maps.newHashMap();
for(Map.Entry<String, Collection<Integer>> entry: endpointsOnHostMap.asMap().entrySet()) {
endpointIteratorOnHostMap.put(entry.getKey(), Iterables.cycle(entry.getValue()).iterator());
}
final ListMultimap<Integer, T> mappings = ArrayListMultimap.create();
for(T unit: units) {
final List<EndpointAffinity> affinities = unit.getAffinity();
verify(endpoints, units, affinities.size() == 1,
"Expected the hard affinity work unit to have affinity to only one endpoint");
final EndpointAffinity endpointAffinity = affinities.get(0);
final String host = endpointAffinity.getEndpoint().getAddress();
final Iterator<Integer> endpointsOnHost = endpointIteratorOnHostMap.get(host);
if (endpointsOnHost == null) {
verify(endpoints, units, false, "There are no endpoints in assigned list running on host %s", host);
}
final int endpointId = endpointIteratorOnHostMap.get(host).next();
mappings.put(endpointId, unit);
}
// Go through the mappings and make sure at least one unit for every assigned endpoint,
// otherwise we will end up with fragments that don't have any work assigned. If an assignment is not present for
// endpoint, throw an exception
for(int i = 0; i < endpoints.size(); i++) {
if (!mappings.containsKey(i)) {
verify(endpoints, units, false, "Endpoint %s has no assigned work.", endpoints.get(i));
}
}
return mappings;
}