| /* |
| * 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 org.apache.cassandra.spark; |
| |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.math.BigInteger; |
| import java.nio.ByteBuffer; |
| import java.nio.file.Path; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.UUID; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.stream.Collectors; |
| |
| import com.google.common.util.concurrent.ThreadFactoryBuilder; |
| |
| import org.apache.cassandra.bridge.CassandraBridge; |
| import org.apache.cassandra.bridge.CassandraBridgeFactory; |
| import org.apache.cassandra.bridge.CassandraVersion; |
| import org.apache.cassandra.spark.cdc.CommitLogProvider; |
| import org.apache.cassandra.spark.cdc.TableIdLookup; |
| import org.apache.cassandra.spark.data.BasicSupplier; |
| import org.apache.cassandra.spark.data.CqlTable; |
| import org.apache.cassandra.spark.data.DataLayer; |
| import org.apache.cassandra.spark.data.SSTablesSupplier; |
| import org.apache.cassandra.spark.data.partitioner.Partitioner; |
| import org.apache.cassandra.spark.sparksql.filters.PartitionKeyFilter; |
| import org.apache.cassandra.spark.sparksql.filters.SparkRangeFilter; |
| import org.apache.cassandra.spark.utils.test.TestSSTable; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class TestDataLayer extends DataLayer |
| { |
| public static final ExecutorService FILE_IO_EXECUTOR = |
| Executors.newFixedThreadPool(1, new ThreadFactoryBuilder().setNameFormat("test-file-io-%d") |
| .setDaemon(true) |
| .build()); |
| |
| @NotNull |
| CassandraBridge bridge; |
| @NotNull |
| Collection<Path> dataDbFiles; |
| @Nullable |
| CqlTable table; |
| final String jobId; |
| |
| public TestDataLayer(@NotNull CassandraBridge bridge, |
| @NotNull Collection<Path> dataDbFiles, |
| @Nullable CqlTable table) |
| { |
| this.bridge = bridge; |
| this.dataDbFiles = dataDbFiles; |
| this.table = table; |
| this.jobId = UUID.randomUUID().toString(); |
| } |
| |
| @Override |
| public CassandraBridge bridge() |
| { |
| return bridge; |
| } |
| |
| @Override |
| public int partitionCount() |
| { |
| return 0; |
| } |
| |
| @Override |
| public CqlTable cqlTable() |
| { |
| return table; |
| } |
| |
| @Override |
| public boolean isInPartition(int partitionId, BigInteger token, ByteBuffer key) |
| { |
| return true; |
| } |
| |
| @Override |
| public CommitLogProvider commitLogs(int partitionId) |
| { |
| throw new UnsupportedOperationException("Test CommitLogProvider not implemented yet"); |
| } |
| |
| @Override |
| public TableIdLookup tableIdLookup() |
| { |
| throw new UnsupportedOperationException("Test TableIdLookup not implemented yet"); |
| } |
| |
| @Override |
| protected ExecutorService executorService() |
| { |
| return FILE_IO_EXECUTOR; |
| } |
| |
| @Override |
| @NotNull |
| public SSTablesSupplier sstables(int partitionId, |
| @Nullable SparkRangeFilter sparkRangeFilter, |
| @NotNull List<PartitionKeyFilter> partitionKeyFilters) |
| { |
| return new BasicSupplier(dataDbFiles.stream() |
| .map(TestSSTable::at) |
| .collect(Collectors.toSet())); |
| } |
| |
| @Override |
| public Partitioner partitioner() |
| { |
| return Partitioner.Murmur3Partitioner; |
| } |
| |
| @Override |
| public String jobId() |
| { |
| return jobId; |
| } |
| |
| private void writeObject(ObjectOutputStream out) throws IOException |
| { |
| // Falling back to JDK serialization |
| out.writeObject(version()); |
| out.writeObject(dataDbFiles); |
| bridge.javaSerialize(out, table); // Delegate (de-)serialization of version-specific objects to the Cassandra Bridge |
| } |
| |
| @SuppressWarnings("unchecked") |
| private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException |
| { |
| // Falling back to JDK deserialization |
| bridge = CassandraBridgeFactory.get((CassandraVersion) in.readObject()); |
| dataDbFiles = (Collection<Path>) in.readObject(); |
| table = bridge.javaDeserialize(in, CqlTable.class); // Delegate (de-)serialization of version-specific objects to the Cassandra Bridge |
| } |
| } |