content: /*
   * 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
   *
   * 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.pgasync;
  
  import java.util.function.Consumer;
  
  /**
   * Backend or client error. If the error is sent by backend, SQLSTATE error code
   * is available.
   *
   * @author Antti Laisi
   */
  public class SqlException extends RuntimeException {
  
      private static final long serialVersionUID = 1L;
      private static final int MAX_CAUSE_DEPTH = 100;
  
      final String code;
  
      public SqlException(String level, String code, String message) {
          super(level + ": SQLSTATE=" + code + ", MESSAGE=" + message);
          this.code = code;
      }
  
      public SqlException(String message) {
          super(message);
          this.code = null;
      }
  
      public SqlException(Throwable cause) {
          super(cause);
          this.code = null;
      }
  
      public String getCode() {
          return code;
      }
  
      @FunctionalInterface
      public interface CheckedRunnable {
  
          void run() throws Exception;
      }
  
      public static boolean ifCause(Throwable th, Consumer<SqlException> action, CheckedRunnable others) throws Exception {
          int depth = 1;
          while (depth++ < MAX_CAUSE_DEPTH && th != null && !(th instanceof SqlException)) {
              th = th.getCause();
          }
          if (th instanceof SqlException) {
              action.accept((SqlException) th);
              return true;
          } else {
              others.run();
              return false;
          }
      }
  }
  