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package org.openecomp.sdc.be.model.operations.api;
import fj.data.Either;
import org.openecomp.sdc.be.dao.graph.datatype.GraphNode;
import org.openecomp.sdc.be.dao.graph.datatype.GraphRelation;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import java.util.function.Function;
public interface DerivedFromOperation {
/**
*
* @param parentUniqueId the unique id of the object which is the parent of the derived from object
* @param derivedFromUniqueId the unique id of the derived from object
* @param nodeType the type of the derived from and its parent objects
* @return the status of the operation
*/
Either<GraphRelation, StorageOperationStatus> addDerivedFromRelation(String parentUniqueId, String derivedFromUniqueId, NodeTypeEnum nodeType);
/**
*
* @param uniqueId the id of the entity of which to fetch its derived from object
* @param nodeType the type of the derived from object
* @param clazz the class which represent the derived from object
* @return the derived from object or error status of operation failed
*/
<T extends GraphNode> Either<T, StorageOperationStatus> getDerivedFromChild(String uniqueId, NodeTypeEnum nodeType, Class<T> clazz);
/**
*
* @param uniqueId the id of the entity of which to remove its derived from object
* @param derivedFromUniqueId the unique id of the derived from object
* @param nodeType the type of the derived from and its parent objects
* @return the status of the remove operation. if no derived from relation exists the operation is successful.
*/
StorageOperationStatus removeDerivedFromRelation(String uniqueId, String derivedFromUniqueId, NodeTypeEnum nodeType);
/**
* Checks whether childCandidateType is derived from parentCandidateType
*/
public <T extends GraphNode> Either<Boolean, StorageOperationStatus> isTypeDerivedFrom(String childCandidateType, String parentCandidateType, String currentChildType,
NodeTypeEnum capabilitytype, Class<T> clazz,
Function<T, String> typeProvider);
/**
* Checks whether replacement of oldTypeParent hold in DERIVED FROM with newTypeParent is legal
*/
public <T extends GraphNode> StorageOperationStatus isUpdateParentAllowed(String oldTypeParent, String newTypeParent, String childType,
NodeTypeEnum capabilitytype, Class<T> clazz,
Function<T, String> typeProvider);
}
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