iframe-proxy | Sunbelt Computer Software

48 lines (41 loc) · 1.58 KB

package scorekeep;
import com.amazonaws.services.dynamodbv2.AmazonDynamoDB;
import com.amazonaws.services.dynamodbv2.AmazonDynamoDBClientBuilder;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapperConfig;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapperConfig.TableNameOverride;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBScanExpression;
import java.util.List;
public class UserModel {
  /** AWS SDK credentials. */
  private AmazonDynamoDB client = AmazonDynamoDBClientBuilder.standard()
        .build();
  private DynamoDBMapperConfig mapperConfig = new DynamoDBMapperConfig(new TableNameOverride(System.getenv("USER_TABLE")));
  private DynamoDBMapper mapper = new DynamoDBMapper(client, mapperConfig);
  public void saveUser(User user) {
      mapper.save(user);
    } catch (Exception e) {
      throw e;
  public User loadUser(String userId) throws UserNotFoundException {
    User user = mapper.load(User.class, userId);
    if ( user == null ) {
      throw new UserNotFoundException(userId);
    return user;
  public List<User> loadUsers(){
    DynamoDBScanExpression scanExpression = new DynamoDBScanExpression();
    List<User> scanResult = mapper.scan(User.class, scanExpression);
    return scanResult;
  public void deleteUser(String userId) throws UserNotFoundException {
    User user = mapper.load(User.class, userId);
    if ( user == null ) {
      throw new UserNotFoundException(userId);
    mapper.delete(user);

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