org.infinispan.interceptors.distribution.VersionedDistributionInterceptor Maven / Gradle / Ivy

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package org.infinispan.interceptors.distribution;

import org.infinispan.commands.tx.PrepareCommand;
import org.infinispan.context.impl.LocalTxInvocationContext;
import org.infinispan.context.impl.TxInvocationContext;
import org.infinispan.remoting.responses.Response;
import org.infinispan.remoting.transport.Address;
import org.infinispan.transaction.xa.CacheTransaction;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;

import java.util.Collection;
import java.util.Map;

import static org.infinispan.transaction.impl.WriteSkewHelper.readVersionsFromResponse;

/**
 * A version of the {@link TxDistributionInterceptor} that adds logic to handling prepares when entries are versioned.
 *
 * @author Manik Surtani
 * @deprecated Since 8.2, no longer public API.
 */
@Deprecated
public class VersionedDistributionInterceptor extends TxDistributionInterceptor {

   private static final Log log = LogFactory.getLog(VersionedDistributionInterceptor.class);

   @Override
   protected Log getLog() {
      return log;
   }

   @Override
   protected void prepareOnAffectedNodes(TxInvocationContext ctx, PrepareCommand command, Collection recipients) {
      // Perform the RPC
      try {
         Map resps = rpcManager.invokeRemotely(recipients, command, createPrepareRpcOptions());
         checkTxCommandResponses(resps, command, (LocalTxInvocationContext) ctx, recipients);

         // Now store newly generated versions from lock owners for use during the commit phase.
         CacheTransaction ct = ctx.getCacheTransaction();
         for (Response r : resps.values()) readVersionsFromResponse(r, ct);
      } finally {
         transactionRemotelyPrepared(ctx);
      }
   }
}