Examples of org.exist.backup.SystemExport$CollectionCallback

org.exist.backup.SystemExport
Embedded database export tool class. Tries to export as much data as possible, even if parts of the collection hierarchy are corrupted or documents are no longer readable. Features:
- Descendant collections will be exported properly even if their ancestor collection is corrupted.
- Documents which are intact but belong to a destroyed collection will be stored into a special collection /db/__lost_and_found__.
- Damaged documents are detected by ConsistencyCheck and are removed from the backup.
- The format of the exported data is compatible with backups generated via the standard backup tool (Java admin client).
The class should be used in combination with {@link ConsistencyCheck}. The error lists returned by ConsistencyCheck can be passed to {@link #export(BackupHandler,org.exist.collections.Collection,BackupWriter,java.util.Date,BackupDescriptor,java.util.List,org.exist.dom.MutableDocumentSet)}.

            assertNotNull(broker);


            Collection root = broker.getCollection(col1uri);
          assertNotNull(root);


            SystemExport sysexport = new SystemExport( broker, null, null, true );
            file = sysexport.export( "backup", false, false, null );
        } finally {
          pool.release(broker);
        }
      
      clean();

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          builder.startDocument();
          builder.startElement(EXPORT_ELEMENT, null);
        }
        
        try {
          final SystemExport export = new SystemExport(context.getBroker(), new Callback(builder), null, true);
            export.export(dirOrFile, incremental, zip, null);
        } catch (final Exception e) {
            throw new XPathException(this, "restore failed with exception: " + e.getMessage(), e);
        }
        if (builder == null) {
          return Sequence.EMPTY_SEQUENCE;

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            }


            if (doBackup) {
                LOG.info("Starting backup...");


                final SystemExport sysexport = new SystemExport(broker, logCallback, monitor, false);
                lastExportedBackup = sysexport.export(exportDir, incremental, maxInc, createZip, errors);
                agentInstance.changeStatus(brokerPool, new TaskStatus(TaskStatus.Status.RUNNING_BACKUP));


                if (lastExportedBackup != null) {
                    LOG.info("Created backup to file: " + lastExportedBackup.getAbsolutePath());
                }

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        //set metas
        meta = docMD.put(KEY1, VALUE2);
        key3UUID = meta.getUUID();
  
            SystemExport sysexport = new SystemExport( broker, null, null, true );
            file = sysexport.export( "backup", false, false, null );
        } finally {
          pool.release(broker);
        }
      
      clean();

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