org.firebirdsql.management

## Interface BackupManager

- All Superinterfaces:
    ServiceManager
  All Known Implementing Classes:
    FBBackupManager, FBBackupManagerBase, FBStreamingBackupManager

      public interface BackupManager
      extends ServiceManager

  Implements the backup and restore functionality of Firebird Services API.
  Author:
    Roman Rokytskyy, Steven Jardine

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static int` | `BACKUP_CONVERT` Backup external files as tables.
    `static int` | `BACKUP_EXPAND` No data compression.
    `static int` | `BACKUP_IGNORE_CHECKSUMS` Ignore checksums.
    `static int` | `BACKUP_IGNORE_LIMBO` Ignore in-limbo transactions.
    `static int` | `BACKUP_METADATA_ONLY` Backup metadata only.
    `static int` | `BACKUP_NO_GARBAGE_COLLECT` Do not collect garbage during backup.
    `static int` | `BACKUP_NON_TRANSPORTABLE` Use non-transportable backup format.
    `static int` | `BACKUP_OLD_DESCRIPTIONS` Save old style metadata descriptions.
    `static int` | `RESTORE_DEACTIVATE_INDEX` Deactivate indices during restore.
    `static int` | `RESTORE_NO_SHADOW` Do not restore shadow database.
    `static int` | `RESTORE_NO_VALIDITY` Do not restore validity constraints.
    `static int` | `RESTORE_ONE_AT_A_TIME` Commit after completing restore of each table.
    `static int` | `RESTORE_USE_ALL_SPACE` Do not reserve 20% on each page for the future versions, useful for read-only databases.

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addBackupPath(java.lang.String path)` Add backup file to the list.
    `void` | `addBackupPath(java.lang.String path, int size)` Add the file to the backup of the specified size.
    `void` | `addRestorePath(java.lang.String path, int size)` Add the file to the multi-file database of the specified size for restore operation.
    `void` | `backupDatabase()` Perform the backup operation.
    `void` | `backupDatabase(int options)` Perform the backup operation.
    `void` | `backupMetadata()` Perform the backup operation, metadata only.
    `void` | `clearBackupPaths()` Clear the information about backup paths.
    `void` | `clearRestorePaths()` Clear the information about restore paths.
    `void` | `restoreDatabase()` Perform the restore operation.
    `void` | `restoreDatabase(int options)` Perform the restore operation.
    `void` | `setBackupPath(java.lang.String backupPath)` Sets the location of the backup file.
    `void` | `setDatabase(java.lang.String path)` Set the path to the database.
    `void` | `setRestorePageBufferCount(int bufferCount)` Set the default number of pages to be buffered (cached) by default in a restored database.
    `void` | `setRestorePageSize(int pageSize)` Set the page size that will be used for a restored database.
    `void` | `setRestoreReadOnly(boolean readOnly)` Set the read-only attribute on a restored database.
    `void` | `setRestoreReplace(boolean replace)` Set the restore operation to create a new database, as opposed to overwriting an existing database.
    `void` | `setVerbose(boolean verbose)` Set whether the operations of this `BackupManager` will result in verbose logging to the configured logger.

    - ### Methods inherited from interface org.firebirdsql.management.ServiceManager

      `getCharSet, getDatabase, getDbCryptConfig, getHost, getLogger, getPassword, getPort, getServerVersion, getUser, getWireCrypt, setCharSet, setDbCryptConfig, setHost, setLogger, setPassword, setPort, setUser, setWireCrypt`

- - ### Field Detail

    - #### BACKUP_IGNORE_CHECKSUMS

          static final int BACKUP_IGNORE_CHECKSUMS

      Ignore checksums.
      See Also:
        Constant Field Values

    - #### BACKUP_IGNORE_LIMBO

          static final int BACKUP_IGNORE_LIMBO

      Ignore in-limbo transactions.
      See Also:
        Constant Field Values

    - #### BACKUP_METADATA_ONLY

          static final int BACKUP_METADATA_ONLY

      Backup metadata only.
      See Also:
        Constant Field Values

    - #### BACKUP_NO_GARBAGE_COLLECT

          static final int BACKUP_NO_GARBAGE_COLLECT

      Do not collect garbage during backup.
      See Also:
        Constant Field Values

    - #### BACKUP_OLD_DESCRIPTIONS

          static final int BACKUP_OLD_DESCRIPTIONS

      Save old style metadata descriptions.
      See Also:
        Constant Field Values

    - #### BACKUP_NON_TRANSPORTABLE

          static final int BACKUP_NON_TRANSPORTABLE

      Use non-transportable backup format.
      See Also:
        Constant Field Values

    - #### BACKUP_CONVERT

          static final int BACKUP_CONVERT

      Backup external files as tables.
      See Also:
        Constant Field Values

    - #### BACKUP_EXPAND

          static final int BACKUP_EXPAND

      No data compression.
      See Also:
        Constant Field Values

    - #### RESTORE_DEACTIVATE_INDEX

          static final int RESTORE_DEACTIVATE_INDEX

      Deactivate indices during restore.
      See Also:
        Constant Field Values

    - #### RESTORE_NO_SHADOW

          static final int RESTORE_NO_SHADOW

      Do not restore shadow database.
      See Also:
        Constant Field Values

    - #### RESTORE_NO_VALIDITY

          static final int RESTORE_NO_VALIDITY

      Do not restore validity constraints.
      See Also:
        Constant Field Values

    - #### RESTORE_ONE_AT_A_TIME

          static final int RESTORE_ONE_AT_A_TIME

      Commit after completing restore of each table.
      See Also:
        Constant Field Values

    - #### RESTORE_USE_ALL_SPACE

          static final int RESTORE_USE_ALL_SPACE

      Do not reserve 20% on each page for the future versions, useful for read-only databases.
      See Also:
        Constant Field Values

  - ### Method Detail

    - #### setBackupPath

          void setBackupPath(java.lang.String backupPath)

      Sets the location of the backup file. This method is used to set the path to the backup consisting of a single file. It is not possible to add multiple files or specify the max. size of the file using this method. It is also not possible to call `addBackupPath(String, int)` method after calling this one.
      Parameters:
        `backupPath` - the location of the backup file.
      See Also:
        `for multi-file backups.`

    - #### addBackupPath

          void addBackupPath(java.lang.String path,
                             int size)

      Add the file to the backup of the specified size. Firebird allows splitting the backup into multiple files, limiting the size of the backup file. This can be useful for example for creating a backup on CD or DVD.
      Parameters:
        `path` - path to the backup file.
        `size` - max size of the file in bytes.

    - #### addBackupPath

          void addBackupPath(java.lang.String path)

      Add backup file to the list. This method is used only during restoring the database to specify multi-file backups. The call is equivalent to passing the size -1 to `addBackupPath(String, int)` call.

      If application invokes backup operation, an error is generated in that call.

      Parameters:
        `path` - path to the backup file.

    - #### clearBackupPaths

          void clearBackupPaths()

      Clear the information about backup paths. This method undoes all parameters set in the `addBackupPath(String, int)` or `addBackupPath(String)` methods.

    - #### setDatabase

          void setDatabase(java.lang.String path)

      Set the path to the database. This method is used both for backup and restore operation.
      Specified by:
        `setDatabase` in interface `ServiceManager`
      Parameters:
        `path` - path to the database file.

        In case of backup, value specifies the path of the existing database on the server that will be backed up.

        In case of restore, value specifies the path of the single-file database where the backup will be restored to.

    - #### addRestorePath

          void addRestorePath(java.lang.String path,
                              int size)

      Add the file to the multi-file database of the specified size for restore operation.
      Parameters:
        `path` - path to the backup file.
        `size` - max size of the database file in pages.

    - #### clearRestorePaths

          void clearRestorePaths()

      Clear the information about restore paths. This method undoes all parameters set in the `addRestorePath(String, int)` or `setDatabase(String)` methods.

    - #### backupDatabase

          void backupDatabase()
                       throws java.sql.SQLException

      Perform the backup operation.
      Throws:
        `java.sql.SQLException` - if a database error occurs during the backup

    - #### backupMetadata

          void backupMetadata()
                       throws java.sql.SQLException

      Perform the backup operation, metadata only.
      Throws:
        `java.sql.SQLException` - if a database error occurs during the backup

    - #### backupDatabase

          void backupDatabase(int options)
                       throws java.sql.SQLException

      Perform the backup operation.
      Parameters:
        `options` - a bitmask combination of the `BACKUP_*` constants for the backup operation
      Throws:
        `java.sql.SQLException` - if a database error occurs during the backup

    - #### setVerbose

          void setVerbose(boolean verbose)

      Set whether the operations of this `BackupManager` will result in verbose logging to the configured logger.
      Parameters:
        `verbose` - If `true`, operations will be logged verbosely, otherwise they will not be logged verbosely

    - #### setRestorePageBufferCount

          void setRestorePageBufferCount(int bufferCount)

      Set the default number of pages to be buffered (cached) by default in a restored database.
      Parameters:
        `bufferCount` - The page-buffer size to be used, a positive value

    - #### setRestorePageSize

          void setRestorePageSize(int pageSize)

      Set the page size that will be used for a restored database. The value for `pageSize` must be one of: 1024, 2048, 4096, 8192 or 16384. The default value depends on the Firebird version.
      Parameters:
        `pageSize` - The page size to be used in a restored database, one of 1024, 2048, 4196, 8192 or 16384
      See Also:
        `PageSizeConstants`

    - #### setRestoreReplace

          void setRestoreReplace(boolean replace)

      Set the restore operation to create a new database, as opposed to overwriting an existing database.
      Parameters:
        `replace` - If `true`, the restore operation will attempt to create a new database if it does not exit or overwrite an existing one when it exists, `false` when restore should fail if database already exist (if it doesn't, a database will be successfully created).

    - #### setRestoreReadOnly

          void setRestoreReadOnly(boolean readOnly)

      Set the read-only attribute on a restored database.
      Parameters:
        `readOnly` - If `true`, a restored database will be read-only, otherwise it will be read-write.

    - #### restoreDatabase

          void restoreDatabase()
                        throws java.sql.SQLException

      Perform the restore operation.
      Throws:
        `java.sql.SQLException` - if a database error occurs during the restore

    - #### restoreDatabase

          void restoreDatabase(int options)
                        throws java.sql.SQLException

      Perform the restore operation.
      Parameters:
        `options` - A bitmask combination of `RESTORE_*` constants
      Throws:
        `java.sql.SQLException` - if a database error occurs during the restore

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