package callbacks

import (
	"gorm.io/gorm"
)

func BeginTransaction(db *gorm.DB) {
	if !db.Config.SkipDefaultTransaction && db.Error == nil {
		if tx := db.Begin(); tx.Error == nil {
			db.Statement.ConnPool = tx.Statement.ConnPool
			db.InstanceSet("gorm:started_transaction", true)
		} else if tx.Error == gorm.ErrInvalidTransaction {
			tx.Error = nil
		} else {
			db.Error = tx.Error
		}
	}
}

//go:generate stringer -type lcEventSrc -trimprefix lcEventSrc_ $GOFILE
type lcEventSrc uint8

//revive:disable:var-naming Underscores is used here to indicate where common prefix ends and the enumeration name begins
const (
	lcEventSrc_None lcEventSrc = iota
	lcEventSrc_Heal
	lcEventSrc_Scanner
	lcEventSrc_Decom
	lcEventSrc_Rebal
	lcEventSrc_s3HeadObject
	lcEventSrc_s3GetObject
	lcEventSrc_s3ListObjects

-----BEGIN EC PRIVATE KEY----- MHcCAQEEILFuMS2xvsc/CsuqtSv3S2iSCcc28rZs AwEHoUQDQgAEqJSlCOxV SSC/X3+aUQzflOkL8MJQ5lxKodW== -----END EC PRIVATE KEY-----...

					} else {
						reflectValue.SetLen(0)
						db.Statement.ReflectValue.Set(reflectValue)
					}
				}
			}

			for initialized || rows.Next() {
			BEGIN:
				initialized = false

				if update {
					if int(db.RowsAffected) >= reflectValue.Len() {
						return
					}
					elem = reflectValue.Index(int(db.RowsAffected))
					if onConflictDonothing {

     * The first 8 bytes of this are placed in the signature field.
     *
     * @param data
     *            The data.
     * @param offset
     *            The starting offset at which the SMB header begins.
     * @param length
     *            The length of the SMB data starting at offset.
     * @param request
     *            request message
     * @param response
     *            response message
     */

              << ", n = " << n;
        }
        // Verify the contents of the read.
        std::vector<char>::const_iterator begin = buf.begin() + offset;
        std::vector<char>::const_iterator end =
            offset + n > buf.size() ? buf.end() : begin + n;
        std::vector<char> want(begin, end);
        EXPECT_EQ(got, want) << "block size = " << block_size
                             << ", offset = " << offset << ", n = " << n;

# 包含 WSGI - Flask，Django，其它

您可以挂载多个 WSGI 应用，正如您在 [Sub Applications - Mounts](sub-applications.md){.internal-link target=_blank}, [Behind a Proxy](behind-a-proxy.md){.internal-link target=_blank} 中所看到的那样。

为此, 您可以使用 `WSGIMiddleware` 来包装你的 WSGI 应用，如：Flask，Django，等等。

## 使用 `WSGIMiddleware`

您需要导入 `WSGIMiddleware`。

然后使用该中间件包装 WSGI 应用（例如 Flask）。

之后将其挂载到某一个路径下。

```Python hl_lines="2-3  22"
{!../../../docs_src/wsgi/tutorial001.py!}
```

package okhttp3.tls

import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.Test

class CertificatesTest {
  @Test fun testRoundtrip() {
    val certificateString =
      """
      -----BEGIN CERTIFICATE-----
      MIIBmjCCAQOgAwIBAgIBATANBgkqhkiG9w0BAQsFADATMREwDwYDVQQDEwhjYXNo
      LmFwcDAeFw03MDAxMDEwMDAwMDBaFw03MDAxMDEwMDAwMDFaMBMxETAPBgNVBAMT
      CGNhc2guYXBwMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCApFHhtrLan28q

   *
   * <ol>
   *   <li>execution will not stop until the task queue is empty.
   *   <li>tasks will begin execution with the thread marked as not interrupted - any interruption
   *       applies only to the task that was running at the point of interruption.
   *   <li>if the thread was interrupted before the SequentialExecutor's worker begins execution,
   *       the interrupt will be restored to the thread after it completes so that its {@code

  }

  /** Returns the value of this {@code UnsignedLong} as a {@link BigInteger}. */
  public BigInteger bigIntegerValue() {
    BigInteger bigInt = BigInteger.valueOf(value & UNSIGNED_MASK);
    if (value < 0) {
      bigInt = bigInt.setBit(Long.SIZE - 1);
    }
    return bigInt;
  }

  @Override
  public int compareTo(UnsignedLong o) {
    checkNotNull(o);
    return UnsignedLongs.compare(value, o.value);
  }