/*
* 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.sortedset;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.geode.cache.Region;
import org.apache.geode.redis.internal.ByteArrayWrapper;
import org.apache.geode.redis.internal.Coder;
import org.apache.geode.redis.internal.Command;
import org.apache.geode.redis.internal.DoubleWrapper;
import org.apache.geode.redis.internal.ExecutionHandlerContext;
import org.apache.geode.redis.internal.RedisDataType;
import org.apache.geode.redis.internal.RedisConstants.ArityDef;
public class ZAddExecutor extends SortedSetExecutor {
private final String ERROR_NOT_NUMERICAL = "The inteded score is not a float";
@Override
public void executeCommand(Command command, ExecutionHandlerContext context) {
List<byte[]> commandElems = command.getProcessedCommand();
if (commandElems.size() < 4 || commandElems.size() % 2 == 1) {
command.setResponse(Coder.getErrorResponse(context.getByteBufAllocator(), ArityDef.ZADD));
return;
}
ByteArrayWrapper key = command.getKey();
int numberOfAdds = 0;
if (commandElems.size() > 4) {
Map<ByteArrayWrapper, DoubleWrapper> map = new HashMap<ByteArrayWrapper, DoubleWrapper>();
for (int i = 2; i < commandElems.size(); i++) {
byte[] scoreArray = commandElems.get(i++);
byte[] memberArray = commandElems.get(i);
Double score;
try {
score = Coder.bytesToDouble(scoreArray);
} catch (NumberFormatException e) {
command.setResponse(
Coder.getErrorResponse(context.getByteBufAllocator(), ERROR_NOT_NUMERICAL));
return;
}
map.put(new ByteArrayWrapper(memberArray), new DoubleWrapper(score));
numberOfAdds++;
}
Region<ByteArrayWrapper, DoubleWrapper> keyRegion =
getOrCreateRegion(context, key, RedisDataType.REDIS_SORTEDSET);
keyRegion.putAll(map);
} else {
byte[] scoreArray = commandElems.get(2);
byte[] memberArray = commandElems.get(3);
Double score;
try {
score = Coder.bytesToDouble(scoreArray);
} catch (NumberFormatException e) {
command.setResponse(
Coder.getErrorResponse(context.getByteBufAllocator(), ERROR_NOT_NUMERICAL));
return;
}
Region<ByteArrayWrapper, DoubleWrapper> keyRegion =
getOrCreateRegion(context, key, RedisDataType.REDIS_SORTEDSET);
Object oldVal = keyRegion.put(new ByteArrayWrapper(memberArray), new DoubleWrapper(score));
if (oldVal == null)
numberOfAdds = 1;
}
command.setResponse(Coder.getIntegerResponse(context.getByteBufAllocator(), numberOfAdds));
}
}