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;
  
  import org.apache.calcite.sql.parser.SqlParserPos;
  import org.apache.calcite.sql.type.SqlTypeName;
  import org.apache.calcite.util.TimestampWithTimeZoneString;
  
  import static com.google.common.base.Preconditions.checkArgument;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * A SQL literal representing a TIMESTAMP WITH TIME ZONE value, for example <code>TIMESTAMP
   * '1969-07-21 03:15 GMT+00:00'</code>.
   *
   * <p>Create values using {@link SqlLiteral#createTimestamp}.
   */
  public class SqlTimestampTzLiteral extends SqlAbstractDateTimeLiteral {
    //~ Constructors -----------------------------------------------------------
  
    SqlTimestampTzLiteral(TimestampWithTimeZoneString ts, int precision, SqlParserPos pos) {
      super(ts, false, SqlTypeName.TIMESTAMP_TZ, precision, pos);
      checkArgument(this.precision >= 0);
    }
  
    //~ Methods ----------------------------------------------------------------
  
    @Override public SqlTimestampTzLiteral clone(SqlParserPos pos) {
      return new SqlTimestampTzLiteral(
          getTimestampTz(), precision, pos);
    }
  
    @Override public String toString() {
      return getTypeName() + " '" + toFormattedString() + "'";
    }
  
    @Override public String toFormattedString() {
      TimestampWithTimeZoneString ts = getTimestampTz();
      if (precision > 0) {
        ts = ts.round(precision);
      }
      return ts.toString(precision);
    }
  
    TimestampWithTimeZoneString getTimestampTz() {
      return (TimestampWithTimeZoneString) requireNonNull(value, "value");
    }
  
    @Override public void unparse(
        SqlWriter writer,
        int leftPrec,
        int rightPrec) {
      writer.getDialect().unparseDateTimeLiteral(writer, this, leftPrec, rightPrec);
    }
  }
  