server/src/main/java/org/apache/iotdb/db/utils/TimePartitionUtils.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
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 */
package org.apache.iotdb.db.utils;

import org.apache.iotdb.common.rpc.thrift.TTimePartitionSlot;
import org.apache.iotdb.commons.utils.TestOnly;
import org.apache.iotdb.db.conf.IoTDBDescriptor;
import org.apache.iotdb.db.conf.ServerConfigConsistent;

public class TimePartitionUtils {
  @ServerConfigConsistent
  public static long timePartitionIntervalForRouting =
      convertMilliWithPrecision(
          IoTDBDescriptor.getInstance().getConfig().getTimePartitionIntervalForRouting() * 1000L);

  public static TTimePartitionSlot getTimePartitionForRouting(long time) {
    TTimePartitionSlot timePartitionSlot = new TTimePartitionSlot();
    timePartitionSlot.setStartTime(time - time % timePartitionIntervalForRouting);
    return timePartitionSlot;
  }

  public static long convertMilliWithPrecision(long milliTime) {
    long result = milliTime;
    String timePrecision = IoTDBDescriptor.getInstance().getConfig().getTimestampPrecision();
    switch (timePrecision) {
      case "ns":
        result = milliTime * 1000_000L;
        break;
      case "us":
        result = milliTime * 1000L;
        break;
      default:
        break;
    }
    return result;
  }

  @TestOnly
  public static void setTimePartitionIntervalForRouting(long timePartitionIntervalForRouting) {
    TimePartitionUtils.timePartitionIntervalForRouting = timePartitionIntervalForRouting;
  }
}