fe/src/main/java/org/apache/impala/analysis/TableDataLayout.java

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// 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
//
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package org.apache.impala.analysis;

import java.util.ArrayList;
import java.util.List;

/**
 * Represents the PARTITION BY and PARTITIONED BY clauses of a DDL statement.
 */
class TableDataLayout {

  private final List<ColumnDef> partitionColDefs_;
  private final List<KuduPartitionParam> kuduPartitionParams_;

  private TableDataLayout(List<ColumnDef> partitionColumnDefs,
      List<KuduPartitionParam> partitionParams) {
    partitionColDefs_ = partitionColumnDefs;
    kuduPartitionParams_ = partitionParams;
  }

  static TableDataLayout createPartitionedLayout(List<ColumnDef> partitionColumnDefs) {
    return new TableDataLayout(partitionColumnDefs,
        new ArrayList<>());
  }

  static TableDataLayout createKuduPartitionedLayout(
      List<KuduPartitionParam> partitionParams) {
    return new TableDataLayout(new ArrayList<>(), partitionParams);
  }

  static TableDataLayout createEmptyLayout() {
    return new TableDataLayout(new ArrayList<>(), new ArrayList<>());
  }

  List<ColumnDef> getPartitionColumnDefs() { return partitionColDefs_; }
  List<KuduPartitionParam> getKuduPartitionParams() { return kuduPartitionParams_; }
}