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15cd367be5
alien nodes : restore and move implementation and unit test git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@21744 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
72 lines
2.6 KiB
Java
72 lines
2.6 KiB
Java
package org.alfresco.repo.transfer;
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import org.alfresco.service.cmr.repository.ChildAssociationRef;
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import org.alfresco.service.cmr.repository.NodeRef;
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/**
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* This class groups together the business logic for alien nodes which are
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* transferred nodes that contain children from another repository.
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* <p>
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* Alien nodes cannot be deleted through the transfer service, instead they are
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* "pruned"
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*
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* <p>
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* This class owns the aspect trx:alien (TransferModel.ASPECT_ALIEN)
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*/
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public interface AlienProcessor
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{
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/**
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* Prune the given node of aliens from the specified repositoryId.
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* <p>
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* So any children that are only invaded by the specified repository are deleted.
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* <p>
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* Folders which are invaded by more than one repository will remain.
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*
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* @param parentNodeRef the root to prune
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* @param fromRepositoryId the repositoryId to prune.
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*/
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public void pruneNode(NodeRef parentNodeRef, String fromRepositoryId);
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/**
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* Has the node been invaded by aliens ?
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* @param nodeRef the node to check
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* @return true the node has been invaded by aliens.
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*/
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public boolean isAlien(NodeRef nodeRef);
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/**
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* Called before creating a child of a transferred node.
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* <p>
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* When a new node is created as a child of a Transferred or Alien node then
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* the new node needs to be marked as an alien.
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* <p>
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* Then the tree needs to be walked upwards to mark all parent
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* transferred nodes as alien.
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*
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* @param childAssocRef the association ref to the new node
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* @param repositoryId - the repositoryId of the system who owns the new node.
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* @param isNewNode - is this a new nide
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*/
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public void onCreateChild(ChildAssociationRef childAssocRef, String repositoryId, boolean isNewNode);
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/**
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* Called when an alien node has been moved from one parent to another.
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* <p>
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* If the new parent is transferred or alien may make the new parent an alien.
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* <p>
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* The alien node may also stop being an alien node.
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*/
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public void afterMoveAlien(ChildAssociationRef newAssocRef);
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/**
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* Called before deleting an alien node.
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* <p>
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* The tree needs to be walked upwards to take account of the removed alien node.
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*
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* @param nodeBeingDeleted node about to be deleted
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* @param oldRef null if the deleted node is still "in place" and readable else the old ref prior to
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* the node being moved.
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*/
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public void beforeDeleteAlien(NodeRef deletedNodeRef, ChildAssociationRef oldRef);
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}
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