io.druid.indexer.partitions.HashedPartitionsSpec Maven / Gradle / Ivy
/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets 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 io.druid.indexer.partitions;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.ImmutableList;
import io.druid.indexer.DetermineHashedPartitionsJob;
import io.druid.indexer.HadoopDruidIndexerConfig;
import io.druid.indexer.Jobby;
import javax.annotation.Nullable;
import java.util.List;
public class HashedPartitionsSpec extends AbstractPartitionsSpec
{
private static final List DEFAULT_PARTITION_DIMENSIONS = ImmutableList.of();
public static HashedPartitionsSpec makeDefaultHashedPartitionsSpec()
{
return new HashedPartitionsSpec(null, null, null, null, null);
}
@JsonIgnore
private final List partitionDimensions;
@JsonCreator
public HashedPartitionsSpec(
@JsonProperty("targetPartitionSize") @Nullable Long targetPartitionSize,
@JsonProperty("maxPartitionSize") @Nullable Long maxPartitionSize,
@JsonProperty("assumeGrouped") @Nullable Boolean assumeGrouped,
@JsonProperty("numShards") @Nullable Integer numShards,
@JsonProperty("partitionDimensions") @Nullable List partitionDimensions
)
{
super(targetPartitionSize, maxPartitionSize, assumeGrouped, numShards);
this.partitionDimensions = partitionDimensions == null ? DEFAULT_PARTITION_DIMENSIONS : partitionDimensions;
}
@Override
public Jobby getPartitionJob(HadoopDruidIndexerConfig config)
{
return new DetermineHashedPartitionsJob(config);
}
@Override
@JsonProperty
public List getPartitionDimensions()
{
return partitionDimensions;
}
}