content: /*
   * 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.cql3.functions.types;
  
  import java.util.Arrays;
  import java.util.List;
  
  /**
   * A vector type.
   */
  public class VectorType extends DataType
  {
      private final DataType subtype;
      private final int dimensions;
  
      VectorType(DataType subtype, int dimensions)
      {
          super(Name.VECTOR);
          assert dimensions > 0 : "vectors may only have positive dimensions; given " + dimensions;
          this.subtype = subtype;
          this.dimensions = dimensions;
      }
  
      public DataType getSubtype()
      {
          return this.subtype;
      }
  
      public int getDimensions()
      {
          return this.dimensions;
      }
  
      @Override
      public List<DataType> getTypeArguments()
      {
          return Arrays.asList(subtype, DataType.cint());
      }
  
      @Override
      public boolean isFrozen()
      {
          return true;
      }
  
      @Override
      public boolean equals(Object o)
      {
          if (this == o) return true;
          if (o == null || getClass() != o.getClass()) return false;
  
          VectorType that = (VectorType) o;
  
          if (dimensions != that.dimensions) return false;
          if (!subtype.equals(that.subtype)) return false;
          return name == that.name;
      }
  
      @Override
      public int hashCode()
      {
          int result = name.hashCode();
          result = 31 * result + dimensions;
          result = 31 * result + subtype.hashCode();
          return result;
      }
  
      @Override
      public String toString()
      {
          return String.format("vector<%s, %d>", subtype, dimensions);
      }
  }
  