| package com.gemstone.gemfire.internal.redis.executor.sortedset; |
| |
| import java.util.List; |
| |
| import com.gemstone.gemfire.cache.Region; |
| import com.gemstone.gemfire.internal.redis.ByteArrayWrapper; |
| import com.gemstone.gemfire.internal.redis.Coder; |
| import com.gemstone.gemfire.internal.redis.Command; |
| import com.gemstone.gemfire.internal.redis.DoubleWrapper; |
| import com.gemstone.gemfire.internal.redis.ExecutionHandlerContext; |
| import com.gemstone.gemfire.internal.redis.RedisConstants.ArityDef; |
| import com.gemstone.gemfire.internal.redis.RedisDataType; |
| |
| public class ZScoreExecutor extends SortedSetExecutor { |
| |
| @Override |
| public void executeCommand(Command command, ExecutionHandlerContext context) { |
| List<byte[]> commandElems = command.getProcessedCommand(); |
| |
| if (commandElems.size() < 3) { |
| command.setResponse(Coder.getErrorResponse(context.getByteBufAllocator(), ArityDef.ZSCORE)); |
| return; |
| } |
| |
| ByteArrayWrapper key = command.getKey(); |
| ByteArrayWrapper member = new ByteArrayWrapper(commandElems.get(2)); |
| |
| checkDataType(key, RedisDataType.REDIS_SORTEDSET, context); |
| Region<ByteArrayWrapper, DoubleWrapper> keyRegion = getRegion(context, key); |
| |
| if (keyRegion == null) { |
| command.setResponse(Coder.getNilResponse(context.getByteBufAllocator())); |
| return; |
| } |
| DoubleWrapper score = keyRegion.get(member); |
| if (score == null) { |
| command.setResponse(Coder.getNilResponse(context.getByteBufAllocator())); |
| return; |
| } |
| command.setResponse(Coder.getBulkStringResponse(context.getByteBufAllocator(), score.toString())); |
| } |
| |
| } |