org.apache.druid.timeline.partition.NumberedOverwritePartialShardSpec Maven / Gradle / Ivy

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A module that is everything required to understands Druid Segments

There is a newer version: 30.0.1

/*
 * 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.druid.timeline.partition;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.annotations.VisibleForTesting;

public class NumberedOverwritePartialShardSpec implements PartialShardSpec
{
  private final int startRootPartitionId;
  private final int endRootPartitionId;
  private final short minorVersion;

  @JsonCreator
  public NumberedOverwritePartialShardSpec(
      @JsonProperty("startRootPartitionId") int startRootPartitionId,
      @JsonProperty("endRootPartitionId") int endRootPartitionId,
      @JsonProperty("minorVersion") short minorVersion
  )
  {
    this.startRootPartitionId = startRootPartitionId;
    this.endRootPartitionId = endRootPartitionId;
    this.minorVersion = minorVersion;
  }

  @VisibleForTesting
  public NumberedOverwritePartialShardSpec(int startRootPartitionId, int endRootPartitionId, int minorVersion)
  {
    this(startRootPartitionId, endRootPartitionId, (short) minorVersion);
  }

  @JsonProperty
  public int getStartRootPartitionId()
  {
    return startRootPartitionId;
  }

  @JsonProperty
  public int getEndRootPartitionId()
  {
    return endRootPartitionId;
  }

  @JsonProperty
  public short getMinorVersion()
  {
    return minorVersion;
  }

  @Override
  public ShardSpec complete(ObjectMapper objectMapper, int partitionId, int numCorePartitions)
  {
    return new NumberedOverwriteShardSpec(
        partitionId,
        startRootPartitionId,
        endRootPartitionId,
        minorVersion
    );
  }

  @Override
  public Class getShardSpecClass()
  {
    return NumberedOverwriteShardSpec.class;
  }

  @Override
  public boolean useNonRootGenerationPartitionSpace()
  {
    return true;
  }
}