iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/common/schematree/IMeasurementSchemaInfo.java

/*
 * 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.iotdb.db.queryengine.common.schematree;

import org.apache.iotdb.commons.schema.view.LogicalViewSchema;
import org.apache.iotdb.tsfile.write.schema.IMeasurementSchema;
import org.apache.iotdb.tsfile.write.schema.MeasurementSchema;

import java.util.Map;

public interface IMeasurementSchemaInfo {

  String getName();

  IMeasurementSchema getSchema();

  /**
   * If the IMeasurementSchema is MeasurementSchema, return itself; else return null.
   *
   * @return measurementSchema or null if IMeasurementSchema is not MeasurementSchema
   */
  MeasurementSchema getSchemaAsMeasurementSchema();

  LogicalViewSchema getSchemaAsLogicalViewSchema();

  Map<String, String> getTagMap();

  String getAlias();

  boolean isLogicalView();
}