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A universal transaction manager that achieves database-agnostic transactions and distributed transactions that span multiple databases

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package com.scalar.db.storage.cosmos;

import com.google.common.base.MoreObjects;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import javax.annotation.concurrent.NotThreadSafe;

/**
 * A metadata class for a table of ScalarDB to know the type of each column
 *
 * @author Yuji Ito
 */
@SuppressFBWarnings({"EI_EXPOSE_REP", "EI_EXPOSE_REP2"})
@NotThreadSafe
public class CosmosTableMetadata {
  private String id;
  private LinkedHashSet partitionKeyNames;
  private LinkedHashSet clusteringKeyNames;
  private Map clusteringOrders;
  private Set secondaryIndexNames;
  private Map columns;

  public CosmosTableMetadata() {}

  public void setId(String id) {
    this.id = id;
  }

  public void setPartitionKeyNames(List partitionKeyNames) {
    this.partitionKeyNames = new LinkedHashSet<>(partitionKeyNames);
  }

  public void setClusteringKeyNames(List clusteringKeyNames) {
    this.clusteringKeyNames = new LinkedHashSet<>(clusteringKeyNames);
  }

  public void setClusteringOrders(Map clusteringOrders) {
    this.clusteringOrders = clusteringOrders;
  }

  public void setSecondaryIndexNames(Set secondaryIndexNames) {
    this.secondaryIndexNames = secondaryIndexNames;
  }

  public void setColumns(Map columns) {
    this.columns = columns;
  }

  public String getId() {
    return id;
  }

  public LinkedHashSet getPartitionKeyNames() {
    return partitionKeyNames;
  }

  public LinkedHashSet getClusteringKeyNames() {
    return clusteringKeyNames;
  }

  public Map getClusteringOrders() {
    return clusteringOrders;
  }

  public Set getSecondaryIndexNames() {
    return secondaryIndexNames;
  }

  public Map getColumns() {
    return columns;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (!(o instanceof CosmosTableMetadata)) {
      return false;
    }
    CosmosTableMetadata that = (CosmosTableMetadata) o;
    return Objects.equals(id, that.id)
        && Objects.equals(partitionKeyNames, that.partitionKeyNames)
        && Objects.equals(clusteringKeyNames, that.clusteringKeyNames)
        && Objects.equals(clusteringOrders, that.clusteringOrders)
        && Objects.equals(secondaryIndexNames, that.secondaryIndexNames)
        && Objects.equals(columns, that.columns);
  }

  @Override
  public int hashCode() {
    return Objects.hash(
        id, partitionKeyNames, clusteringKeyNames, clusteringOrders, secondaryIndexNames, columns);
  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
        .add("id", id)
        .add("partitionKeyNames", partitionKeyNames)
        .add("clusteringKeyNames", clusteringKeyNames)
        .add("clusteringOrders", clusteringOrders)
        .add("secondaryIndexNames", secondaryIndexNames)
        .add("columns", columns)
        .toString();
  }
}