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package org.infinispan.client.hotrod.impl.operations;

import java.util.Map;
import java.util.concurrent.TimeUnit;

import org.infinispan.client.hotrod.exceptions.InvalidResponseException;
import org.infinispan.client.hotrod.impl.ClientStatistics;
import org.infinispan.client.hotrod.impl.InternalRemoteCache;
import org.infinispan.client.hotrod.impl.protocol.Codec;
import org.infinispan.client.hotrod.impl.protocol.HotRodConstants;
import org.infinispan.client.hotrod.impl.transport.netty.ByteBufUtil;
import org.infinispan.client.hotrod.impl.transport.netty.HeaderDecoder;

import io.netty.buffer.ByteBuf;
import io.netty.channel.Channel;

public class PutAllOperation extends AbstractCacheOperation {
   protected final Map map;
   protected final long lifespan;
   private final TimeUnit lifespanTimeUnit;
   protected final long maxIdle;
   private final TimeUnit maxIdleTimeUnit;

   public PutAllOperation(InternalRemoteCache remoteCache, Map map,
                          long lifespan, TimeUnit lifespanTimeUnit, long maxIdle, TimeUnit maxIdleTimeUnit) {
      super(remoteCache);
      this.map = map;
      this.lifespan = lifespan;
      this.lifespanTimeUnit = lifespanTimeUnit;
      this.maxIdle = maxIdle;
      this.maxIdleTimeUnit = maxIdleTimeUnit;
   }

   @Override
   public void writeOperationRequest(Channel channel, ByteBuf buf, Codec codec) {
      codec.writeExpirationParams(buf, lifespan, lifespanTimeUnit, maxIdle, maxIdleTimeUnit);
      ByteBufUtil.writeVInt(buf, map.size());
      for (Map.Entry entry : map.entrySet()) {
         ByteBufUtil.writeArray(buf, entry.getKey());
         ByteBufUtil.writeArray(buf, entry.getValue());
      }
   }

   @Override
   public Void createResponse(ByteBuf buf, short status, HeaderDecoder decoder, Codec codec, CacheUnmarshaller unmarshaller) {
      if (HotRodConstants.isSuccess(status)) {
         return null;
      }
      throw new InvalidResponseException("Unexpected response status: " + Integer.toHexString(status));
   }

   @Override
   public void handleStatsCompletion(ClientStatistics statistics, long startTime, short status, Void responseValue) {
      statistics.dataStore(startTime, map.size());
   }

   @Override
   public short requestOpCode() {
      return PUT_ALL_REQUEST;
   }

   @Override
   public short responseOpCode() {
      return PUT_ALL_RESPONSE;
   }
}