public class DataMigrationRepository
extends java.lang.Object

Repository for mongo data migration

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`bulkReplaceUnits(java.util.List<Unit> updatedUnits)`	Replaces all units in unordered bulk mode
`void`	`bulkUpgradeObjectGroups(java.util.List<java.lang.String> objectGroupIds)`	Replaces all GOT in unordered bulk mode
`java.util.Map<java.lang.String,Unit>`	`getUnitGraphByIds(java.util.Collection<java.lang.String> unitIds)`	Returns units graph by Ids
`CloseableIterator<java.util.List<java.lang.String>>`	`selectObjectGroupBulk()`	Returns all object group ids to migrate by chunks of (at most) BULK_SIZE.
`CloseableIterator<java.util.List<Unit>>`	`selectUnitBulkInTopDownHierarchyLevel()`	Returns all unit ids to migrate sorted by top-down hierarchy level, by chunks of (at most) BULK_SIZE.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

selectUnitBulkInTopDownHierarchyLevel
```
public CloseableIterator<java.util.List<Unit>> selectUnitBulkInTopDownHierarchyLevel()
```
Returns all unit ids to migrate sorted by top-down hierarchy level, by chunks of (at most) BULK_SIZE.

public java.util.Map<java.lang.String,Unit> getUnitGraphByIds(java.util.Collection<java.lang.String> unitIds)

Returns units graph by Ids

public void bulkReplaceUnits(java.util.List<Unit> updatedUnits)

Replaces all units in unordered bulk mode

selectObjectGroupBulk
```
public CloseableIterator<java.util.List<java.lang.String>> selectObjectGroupBulk()
```
Returns all object group ids to migrate by chunks of (at most) BULK_SIZE.

public void bulkUpgradeObjectGroups(java.util.List<java.lang.String> objectGroupIds)

Replaces all GOT in unordered bulk mode

Class DataMigrationRepository