org.apache.geode.redis.internal.executor.transactions.MultiExecutor Maven / Gradle / Ivy

/*
 * 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.
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package org.apache.geode.redis.internal.executor.transactions;

import org.apache.geode.cache.CacheTransactionManager;
import org.apache.geode.cache.TransactionId;
import org.apache.geode.redis.internal.Command;
import org.apache.geode.redis.internal.Coder;
import org.apache.geode.redis.internal.ExecutionHandlerContext;
import org.apache.geode.redis.internal.RedisConstants;

public class MultiExecutor extends TransactionExecutor {

  @Override
  public void executeCommand(Command command, ExecutionHandlerContext context) {

    CacheTransactionManager txm = context.getCacheTransactionManager();

    command.setResponse(Coder.getSimpleStringResponse(context.getByteBufAllocator(), "OK"));

    if (context.hasTransaction()) {
      throw new IllegalStateException(RedisConstants.ERROR_NESTED_MULTI);
    }

    txm.begin();

    TransactionId id = txm.suspend();

    context.setTransactionID(id);

  }

}