/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.geode.redis.internal.executor.set;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.geode.redis.internal.ByteArrayWrapper;
import org.apache.geode.redis.internal.RedisConstants.ArityDef;
public class SUnionExecutor extends SetOpExecutor {
@Override
protected boolean isStorage() {
return false;
}
@Override
protected Set<ByteArrayWrapper> setOp(Set<ByteArrayWrapper> firstSet,
List<Set<ByteArrayWrapper>> setList) {
Set<ByteArrayWrapper> addSet = firstSet;
for (Set<ByteArrayWrapper> set : setList) {
if (addSet == null) {
addSet = new HashSet<ByteArrayWrapper>(set);
continue;
}
addSet.addAll(set);
}
return addSet;
}
@Override
public String getArgsError() {
return ArityDef.SUNION;
}
}