/*
* 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;
import java.util.List;
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.RegionProvider;
public class ExpireAtExecutor extends AbstractExecutor implements Extendable {
private final String ERROR_TIMESTAMP_NOT_USABLE = "The timestamp specified must be numeric";
private final int TIMESTAMP_INDEX = 2;
private final int SET = 1;
private final int NOT_SET = 0;
@Override
public void executeCommand(Command command, ExecutionHandlerContext context) {
List<byte[]> commandElems = command.getProcessedCommand();
if (commandElems.size() < 3) {
command.setResponse(Coder.getErrorResponse(context.getByteBufAllocator(), getArgsError()));
return;
}
RegionProvider rC = context.getRegionProvider();
ByteArrayWrapper wKey = command.getKey();
byte[] timestampByteArray = commandElems.get(TIMESTAMP_INDEX);
long timestamp;
try {
timestamp = Coder.bytesToLong(timestampByteArray);
} catch (NumberFormatException e) {
command.setResponse(
Coder.getErrorResponse(context.getByteBufAllocator(), ERROR_TIMESTAMP_NOT_USABLE));
return;
}
if (!timeUnitMillis())
timestamp = timestamp * millisInSecond;
long currentTimeMillis = System.currentTimeMillis();
if (timestamp <= currentTimeMillis) {
command.setResponse(Coder.getIntegerResponse(context.getByteBufAllocator(), NOT_SET));
return;
}
long delayMillis = timestamp - currentTimeMillis;
boolean expirationSet = false;
if (rC.hasExpiration(wKey))
expirationSet = rC.modifyExpiration(wKey, delayMillis);
else
expirationSet = rC.setExpiration(wKey, delayMillis);
if (expirationSet)
command.setResponse(Coder.getIntegerResponse(context.getByteBufAllocator(), SET));
else
command.setResponse(Coder.getIntegerResponse(context.getByteBufAllocator(), NOT_SET));
}
protected boolean timeUnitMillis() {
return false;
}
@Override
public String getArgsError() {
return ArityDef.EXPIREAT;
}
}