/*
* 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.List;
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.Extendable;
import org.apache.geode.redis.internal.RedisConstants.ArityDef;
import org.apache.geode.redis.internal.executor.AbstractExecutor;
public class SetEXExecutor extends StringExecutor implements Extendable {
private final String ERROR_SECONDS_NOT_A_NUMBER =
"The expiration argument provided was not a number";
private final String ERROR_SECONDS_NOT_LEGAL = "The expiration argument must be greater than 0";
private final String SUCCESS = "OK";
private final int VALUE_INDEX = 3;
@Override
public void executeCommand(Command command, ExecutionHandlerContext context) {
List<byte[]> commandElems = command.getProcessedCommand();
Region<ByteArrayWrapper, ByteArrayWrapper> r = context.getRegionProvider().getStringsRegion();
if (commandElems.size() < 4) {
command.setResponse(Coder.getErrorResponse(context.getByteBufAllocator(), getArgsError()));
return;
}
ByteArrayWrapper key = command.getKey();
byte[] value = commandElems.get(VALUE_INDEX);
byte[] expirationArray = commandElems.get(2);
long expiration;
try {
expiration = Coder.bytesToLong(expirationArray);
} catch (NumberFormatException e) {
command.setResponse(
Coder.getErrorResponse(context.getByteBufAllocator(), ERROR_SECONDS_NOT_A_NUMBER));
return;
}
if (expiration <= 0) {
command.setResponse(
Coder.getErrorResponse(context.getByteBufAllocator(), ERROR_SECONDS_NOT_LEGAL));
return;
}
if (!timeUnitMillis())
expiration *= AbstractExecutor.millisInSecond;
checkAndSetDataType(key, context);
r.put(key, new ByteArrayWrapper(value));
context.getRegionProvider().setExpiration(key, expiration);
command.setResponse(Coder.getSimpleStringResponse(context.getByteBufAllocator(), SUCCESS));
}
protected boolean timeUnitMillis() {
return false;
}
@Override
public String getArgsError() {
return ArityDef.SETEX;
}
}