/*
* 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.string;
import java.util.ArrayList;
import java.util.Collection;
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.ExecutionHandlerContext;
import org.apache.geode.redis.internal.RedisConstants.ArityDef;
public class MGetExecutor extends StringExecutor {
@Override
public void executeCommand(Command command, ExecutionHandlerContext context) {
List<byte[]> commandElems = command.getProcessedCommand();
Region<ByteArrayWrapper, ByteArrayWrapper> r = context.getRegionProvider().getStringsRegion();
if (commandElems.size() < 2) {
command.setResponse(Coder.getErrorResponse(context.getByteBufAllocator(), ArityDef.MGET));
return;
}
Collection<ByteArrayWrapper> keys = new ArrayList<ByteArrayWrapper>();
for (int i = 1; i < commandElems.size(); i++) {
byte[] keyArray = commandElems.get(i);
ByteArrayWrapper key = new ByteArrayWrapper(keyArray);
/*
* try { checkDataType(key, RedisDataType.REDIS_STRING, context); } catch
* (RedisDataTypeMismatchException e) { keys.ad continue; }
*/
keys.add(key);
}
Map<ByteArrayWrapper, ByteArrayWrapper> results = r.getAll(keys);
Collection<ByteArrayWrapper> values = new ArrayList<ByteArrayWrapper>();
/*
* This is done to preserve order in the output
*/
for (ByteArrayWrapper key : keys)
values.add(results.get(key));
command.setResponse(Coder.getBulkStringArrayResponse(context.getByteBufAllocator(), values));
}
}