Sets.java
/*
* Copyright (c) 2021 Mārtiņš Avots (Martins Avots) and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0, or the MIT License,
* which is available at https://spdx.org/licenses/MIT.html.
*
* SPDX-License-Identifier: EPL-2.0 OR MIT
*/
package net.splitcells.dem.data.set;
import net.splitcells.dem.Dem;
import net.splitcells.dem.environment.resource.ResourceI;
import java.util.Collection;
import java.util.stream.Collector;
import static java.util.Arrays.asList;
import static net.splitcells.dem.Dem.configValue;
import static net.splitcells.dem.data.set.SetFI_configured.setFiConfigured;
public class Sets extends ResourceI<SetF> {
public Sets() {
super(() -> setFiConfigured());
}
public static <T> Collector<T, ?, Set<T>> toSetOfUniques() {
return Collector.of(
Sets::<T>setOfUniques,
Set::addAll,
(a, b) -> {
a.addAll(b);
return a;
}
);
}
@SafeVarargs
public static <T> Set<T> merge(Collection<T>... collections) {
final var rVal = configValue(Sets.class).<T>set();
for (Collection<T> collection : collections) {
rVal.addAll(collection);
}
return rVal;
}
public static <T> Set<T> setOfUniques() {
return configValue(Sets.class).<T>set();
}
@SafeVarargs
public static <T> Set<T> setOfUniques(T... args) {
return setOfUniques(asList(args));
}
public static <T> Set<T> setOfUniques(Collection<T> arg) {
final var rVal = configValue(Sets.class).<T>set();
rVal.addAll(arg);
return rVal;
}
}