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   * 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.cassandra.index.sai.utils;
  
  import java.nio.ByteBuffer;
  
  import org.apache.cassandra.db.Clustering;
  import org.apache.cassandra.db.DecoratedKey;
  import org.apache.cassandra.db.marshal.CompositeType;
  import org.apache.cassandra.db.marshal.Int32Type;
  import org.apache.cassandra.db.marshal.ReversedType;
  import org.apache.cassandra.db.marshal.UTF8Type;
  import org.apache.cassandra.dht.Murmur3Partitioner;
  import org.apache.cassandra.schema.TableMetadata;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotEquals;
  import static org.junit.Assert.assertTrue;
  
  public class AbstractPrimaryKeyTester extends SAIRandomizedTester
  {
      protected static final TableMetadata simplePartition = TableMetadata.builder("test", "test")
                                                                .partitioner(Murmur3Partitioner.instance)
                                                                .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                .build();
  
      protected static final TableMetadata compositePartition = TableMetadata.builder("test", "test")
                                                                   .partitioner(Murmur3Partitioner.instance)
                                                                   .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                   .addPartitionKeyColumn("pk2", Int32Type.instance)
                                                                   .build();
  
      protected static final TableMetadata simplePartitionSingleClusteringAsc = TableMetadata.builder("test", "test")
                                                                                   .partitioner(Murmur3Partitioner.instance)
                                                                                   .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                   .addClusteringColumn("ck1", UTF8Type.instance)
                                                                                   .build();
  
      protected static final TableMetadata simplePartitionStaticAndSingleClusteringAsc = TableMetadata.builder("test", "test")
                                                                                                      .partitioner(Murmur3Partitioner.instance)
                                                                                                      .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                                      .addStaticColumn("sk1", Int32Type.instance)
                                                                                                      .addClusteringColumn("ck1", UTF8Type.instance)
                                                                                                      .build();
  
      protected static final TableMetadata simplePartitionMultipleClusteringAsc = TableMetadata.builder("test", "test")
                                                                                     .partitioner(Murmur3Partitioner.instance)
                                                                                     .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                     .addClusteringColumn("ck1", UTF8Type.instance)
                                                                                     .addClusteringColumn("ck2", UTF8Type.instance)
                                                                                     .build();
  
      protected static final TableMetadata simplePartitionSingleClusteringDesc = TableMetadata.builder("test", "test")
                                                                                    .partitioner(Murmur3Partitioner.instance)
                                                                                    .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                    .addClusteringColumn("ck1", ReversedType.getInstance(UTF8Type.instance))
                                                                                    .build();
  
      protected static final TableMetadata simplePartitionMultipleClusteringDesc = TableMetadata.builder("test", "test")
                                                                                      .partitioner(Murmur3Partitioner.instance)
                                                                                      .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                      .addClusteringColumn("ck1", ReversedType.getInstance(UTF8Type.instance))
                                                                                      .addClusteringColumn("ck2", ReversedType.getInstance(UTF8Type.instance))
                                                                                      .build();
  
      protected static final TableMetadata compositePartitionSingleClusteringAsc = TableMetadata.builder("test", "test")
                                                                                      .partitioner(Murmur3Partitioner.instance)
                                                                                      .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                      .addPartitionKeyColumn("pk2", Int32Type.instance)
                                                                                      .addClusteringColumn("ck1", UTF8Type.instance)
                                                                                      .build();
  
      protected static final TableMetadata compositePartitionMultipleClusteringAsc = TableMetadata.builder("test", "test")
                                                                                        .partitioner(Murmur3Partitioner.instance)
                                                                                        .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                        .addPartitionKeyColumn("pk2", Int32Type.instance)
                                                                                        .addClusteringColumn("ck1", UTF8Type.instance)
                                                                                        .addClusteringColumn("ck2", UTF8Type.instance)
                                                                                        .build();
  
      protected static final TableMetadata compositePartitionSingleClusteringDesc = TableMetadata.builder("test", "test")
                                                                                       .partitioner(Murmur3Partitioner.instance)
                                                                                       .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                       .addPartitionKeyColumn("pk2", Int32Type.instance)
                                                                                       .addClusteringColumn("ck1", ReversedType.getInstance(UTF8Type.instance))
                                                                                       .build();
  
      protected static final TableMetadata compositePartitionMultipleClusteringDesc = TableMetadata.builder("test", "test")
                                                                                         .partitioner(Murmur3Partitioner.instance)
                                                                                         .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                         .addPartitionKeyColumn("pk2", Int32Type.instance)
                                                                                         .addClusteringColumn("ck1", ReversedType.getInstance(UTF8Type.instance))
                                                                                         .addClusteringColumn("ck2", ReversedType.getInstance(UTF8Type.instance))
                                                                                         .build();
  
      protected static final TableMetadata simplePartitionMultipleClusteringMixed = TableMetadata.builder("test", "test")
                                                                                       .partitioner(Murmur3Partitioner.instance)
                                                                                       .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                       .addClusteringColumn("ck1", UTF8Type.instance)
                                                                                       .addClusteringColumn("ck2", ReversedType.getInstance(UTF8Type.instance))
                                                                                       .build();
  
      protected static final TableMetadata compositePartitionMultipleClusteringMixed = TableMetadata.builder("test", "test")
                                                                                          .partitioner(Murmur3Partitioner.instance)
                                                                                          .addPartitionKeyColumn("pk1", Int32Type.instance)
                                                                                          .addPartitionKeyColumn("pk2", Int32Type.instance)
                                                                                          .addClusteringColumn("ck1", UTF8Type.instance)
                                                                                          .addClusteringColumn("ck2", ReversedType.getInstance(UTF8Type.instance))
                                                                                          .build();
  
      protected void assertCompareToAndEquals(PrimaryKey a, PrimaryKey b, int expected)
      {
          if (expected > 0)
          {
              assertTrue(a.compareTo(b) > 0);
              assertNotEquals(a, b);
          }
          else if (expected < 0)
          {
              assertTrue(a.compareTo(b) < 0);
              assertNotEquals(a, b);
          }
          else
          {
              assertEquals(0, a.compareTo(b));
              assertEquals(a, b);
          }
      }
  
      protected DecoratedKey makeKey(TableMetadata table, Object...partitionKeys)
      {
          ByteBuffer key;
          if (table.partitionKeyType instanceof CompositeType)
              key = ((CompositeType)table.partitionKeyType).decompose(partitionKeys);
          else
              key = table.partitionKeyType.decomposeUntyped(partitionKeys[0]);
          return table.partitioner.decorateKey(key);
      }
  
      protected Clustering<?> makeClustering(TableMetadata table, Object...clusteringKeys)
      {
          Clustering<?> clustering;
          if (table.comparator.size() == 0)
              clustering = Clustering.EMPTY;
          else
          {
              ByteBuffer[] values = new ByteBuffer[clusteringKeys.length];
              for (int index = 0; index < table.comparator.size(); index++)
                  values[index] = table.comparator.subtype(index).decomposeUntyped(clusteringKeys[index]);
              clustering = Clustering.make(values);
          }
          return clustering;
      }
  }
  