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.sql.validate;
  
  import org.apache.calcite.sql.SqlIdentifier;
  
  import java.util.List;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * An implementation of {@link SqlMoniker} that encapsulates the normalized name
   * information of a {@link SqlIdentifier}.
   */
  public class SqlIdentifierMoniker implements SqlMoniker {
    //~ Instance fields --------------------------------------------------------
  
    private final SqlIdentifier id;
  
    //~ Constructors -----------------------------------------------------------
  
    /**
     * Creates an SqlIdentifierMoniker.
     */
    public SqlIdentifierMoniker(SqlIdentifier id) {
      this.id = requireNonNull(id, "id");
    }
  
    //~ Methods ----------------------------------------------------------------
  
    @Override public SqlMonikerType getType() {
      return SqlMonikerType.COLUMN;
    }
  
    @Override public List<String> getFullyQualifiedNames() {
      return id.names;
    }
  
    @Override public SqlIdentifier toIdentifier() {
      return id;
    }
  
    @Override public String toString() {
      return id.toString();
    }
  
    @Override public String id() {
      return id.toString();
    }
  }
  