com.aliyun.odps.table.distribution.Distributions Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of odps-sdk-table-api Show documentation

The newest version!

/*
 * 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 com.aliyun.odps.table.distribution;

import java.util.List;

/**
 * Helper methods to create distributions.
 */
public class Distributions {

    private Distributions() {
    }

    public static UnspecifiedDistribution unspecified() {
        return new UnspecifiedDistribution();
    }

    public static ClusteredDistribution clustered(List clusterCols,
                                                  Distribution.Type clusterType) {
        return clustered(clusterCols, clusterType, -1);
    }

    public static ClusteredDistribution clustered(List clusterCols,
                                                  Distribution.Type clusterType,
                                                  Integer bucketsNumber) {
        return new ClusteredDistribution(clusterCols, clusterType, bucketsNumber);
    }
}