/*
* Licensed 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 com.facebook.presto.hive;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.List;
import static java.util.Objects.requireNonNull;
import static java.util.stream.Collectors.toList;
public class HiveBucketHandle
{
private final List<HiveColumnHandle> columns;
private final int bucketCount;
@JsonCreator
public HiveBucketHandle(@JsonProperty("columns") List<HiveColumnHandle> columns, @JsonProperty("bucketCount") int bucketCount)
{
this.columns = requireNonNull(columns, "columns is null");
this.bucketCount = requireNonNull(bucketCount, "bucketCount is null");
}
@JsonProperty
public List<HiveColumnHandle> getColumns()
{
return columns;
}
@JsonProperty
public int getBucketCount()
{
return bucketCount;
}
public HiveBucketProperty toBucketProperty()
{
return new HiveBucketProperty(
columns.stream()
.map(HiveColumnHandle::getName)
.collect(toList()),
bucketCount);
}
}