harry-integration/src/harry/model/sut/injvm/MixedInJvmSutConfiguration.java

/*
 *  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 harry.model.sut.injvm;


import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Consumer;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeName;
import org.apache.cassandra.distributed.UpgradeableCluster;
import org.apache.cassandra.distributed.api.ICluster;
import org.apache.cassandra.distributed.api.IInstanceConfig;
import org.apache.cassandra.distributed.api.IUpgradeableInstance;
import org.apache.cassandra.distributed.shared.Versions;

@JsonTypeName("mixed_in_jvm")
public class MixedInJvmSutConfiguration extends InJvmSutBase.InJvmSutBaseConfiguration<IUpgradeableInstance, ICluster<IUpgradeableInstance>>
    {
        public final String initial_version;
        public final List<String> versions;

        private final Versions.Version initialVersion;
        private final List<Versions.Version> upgradeVersions;

        @JsonCreator
        public MixedInJvmSutConfiguration(@JsonProperty(value = "nodes", defaultValue = "3") int nodes,
                                          @JsonProperty(value = "worker_threads", defaultValue = "10") int worker_threads,
                                          @JsonProperty(value = "initial_version") String initial_version,
                                          @JsonProperty(value = "versions") List<String> versions,
                                          @JsonProperty("root") String root)
        {
            super(nodes, worker_threads, root);

            this.initial_version = initial_version;
            this.versions = versions;
            Versions allVersions = Versions.find();

            this.initialVersion = allVersions.get(initial_version);
            this.upgradeVersions = new ArrayList<>();
            for (String version : versions)
                upgradeVersions.add(allVersions.get(version));
        }

        protected ICluster<IUpgradeableInstance> cluster(Consumer<IInstanceConfig> cfg, int nodes, File root)
        {
            try
            {
                return UpgradeableCluster.build()
                                         .withConfig(cfg)
                                         .withNodes(nodes)
                                         .withRoot(root)
                                         .withVersion(initialVersion)
                                         .createWithoutStarting();
            }
            catch (IOException e)
            {
                throw new IllegalStateException(e);
            }
        }

        protected InJvmSutBase<IUpgradeableInstance, ICluster<IUpgradeableInstance>> sut(ICluster<IUpgradeableInstance> cluster)
        {
            return new MixedVersionInJvmSut(cluster, initialVersion, upgradeVersions);
        }
    }