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.calcite.runtime.rtti;
  
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  import java.util.Objects;
  
  /** Runtime type information about a base (primitive) SQL type. */
  public class BasicSqlTypeRtti extends RuntimeTypeInformation {
    public BasicSqlTypeRtti(RuntimeSqlTypeName typeName) {
      super(typeName);
      assert typeName.isScalar() : "Base SQL type must be a scalar type " + typeName;
    }
  
    @Override public boolean equals(@Nullable Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
  
      BasicSqlTypeRtti that = (BasicSqlTypeRtti) o;
      return typeName == that.typeName;
    }
  
    @Override public int hashCode() {
      return Objects.hashCode(typeName);
    }
  
    @Override public String getTypeString()  {
      switch (this.typeName) {
      case BOOLEAN:
        return "BOOLEAN";
      case TINYINT:
        return "TINYINT";
      case SMALLINT:
        return "SMALLINT";
      case INTEGER:
        return "INTEGER";
      case BIGINT:
        return "BIGINT";
      case UTINYINT:
        return "TINYINT UNSIGNED";
      case USMALLINT:
        return "SMALLINT UNSIGNED";
      case UINTEGER:
        return "INTEGER UNSIGNED";
      case UBIGINT:
        return "BIGINT UNSIGNED";
      case DECIMAL:
        return "DECIMAL";
      case REAL:
        return "REAL";
      case DOUBLE:
        return "DOUBLE";
      case DATE:
        return "DATE";
      case TIME:
        return "TIME";
      case TIME_WITH_LOCAL_TIME_ZONE:
        return "TIME_WITH_LOCAL_TIME_ZONE";
      case TIME_TZ:
        return "TIME_WITH_TIME_ZONE";
      case TIMESTAMP:
        return "TIMESTAMP";
      case TIMESTAMP_WITH_LOCAL_TIME_ZONE:
        return "TIMESTAMP_WITH_LOCAL_TIME_ZONE";
      case TIMESTAMP_TZ:
        return "TIMESTAMP_WITH_TIME_ZONE";
      case INTERVAL_LONG:
      case INTERVAL_SHORT:
        return "INTERVAL";
      case VARCHAR:
        return "VARCHAR";
      case VARBINARY:
        return "VARBINARY";
      case NULL:
        return "NULL";
      case GEOMETRY:
        return "GEOMETRY";
      case VARIANT:
        return "VARIANT";
      default:
        throw new RuntimeException("Unexpected type " + this.typeName);
      }
    }
  
    // This method is used to serialize the type in Java code implementations,
    // so it should produce a computation that reconstructs the type at runtime
    @Override public String toString() {
      return "new BasicSqlTypeRtti(" + this.getTypeString() + ")";
    }
  }
  