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The MyBatis SQL mapper framework makes it easier to use a relational database with object-oriented applications. MyBatis couples objects with stored procedures or SQL statements using a XML descriptor or annotations. Simplicity is the biggest advantage of the MyBatis data mapper over object relational mapping tools.

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/*
 *    Copyright 2009-2023 the original author or authors.
 *
 *    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
 *
 *       https://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 org.apache.ibatis.executor;

import java.sql.BatchUpdateException;
import java.util.List;

/**
 * This exception is thrown if a java.sql.BatchUpdateException is caught during the execution of any nested
 * batch. The exception contains the java.sql.BatchUpdateException that is the root cause, as well as the results from
 * any prior nested batch that executed successfully.
 *
 * @author Jeff Butler
 */
public class BatchExecutorException extends ExecutorException {

  private static final long serialVersionUID = 154049229650533990L;
  private final List successfulBatchResults;
  private final BatchUpdateException batchUpdateException;
  private final BatchResult batchResult;

  public BatchExecutorException(String message, BatchUpdateException cause, List successfulBatchResults,
      BatchResult batchResult) {
    super(message + " Cause: " + cause, cause);
    this.batchUpdateException = cause;
    this.successfulBatchResults = successfulBatchResults;
    this.batchResult = batchResult;
  }

  /**
   * Returns the BatchUpdateException that caused the nested executor to fail. That exception contains an array of row
   * counts that can be used to determine exactly which statement of the executor caused the failure (or failures).
   *
   * @return the root BatchUpdateException
   */
  public BatchUpdateException getBatchUpdateException() {
    return batchUpdateException;
  }

  /**
   * Returns a list of BatchResult objects. There will be one entry in the list for each successful sub-executor
   * executed before the failing executor.
   *
   * @return the previously successful executor results (maybe an empty list if no executor has executed successfully)
   */
  public List getSuccessfulBatchResults() {
    return successfulBatchResults;
  }

  /**
   * Returns the SQL statement that caused the failure (not the parameterArray).
   *
   * @return the failing SQL string
   */
  public String getFailingSqlStatement() {
    return batchResult.getSql();
  }

  /**
   * Returns the statement id of the statement that caused the failure.
   *
   * @return the statement id
   */
  public String getFailingStatementId() {
    return batchResult.getMappedStatement().getId();
  }
}