DryRun has been implemented as transaction rollback

src/main/java/org/gcube/informationsystem/resourceregistry/instances/base/ElementManagement.java

@@ -165,7 +165,6 @@ public abstract class ElementManagement<El extends OElement, T extends Type> {
 		this.dryRun = dryRun;
 	}
 
-	
 	protected void setAsEntryPoint() {
 		this.entryPoint = true;
 	}

src/main/java/org/gcube/informationsystem/resourceregistry/instances/model/entities/EntityManagement.java

@@ -301,9 +301,7 @@ public abstract class EntityManagement<E extends Entity, ET extends EntityType>
 	
 	protected void reallyAddToContext()
 			throws ContextException, ResourceRegistryException {
-		if(!dryRun) {
 		targetSecurityContext.addElement(getElement(), oDatabaseDocument);
-		}
 		
 		/* 
 		 * DO NOT UNCOMMENT
@@ -331,10 +329,8 @@ public abstract class EntityManagement<E extends Entity, ET extends EntityType>
 		try {
 			setOperation(Operation.ADD_TO_CONTEXT);
 			reallyAddToContext();
-			if(!dryRun) {
 			HeaderUtility.updateModifiedByAndLastUpdate(element);
 			element.save();
-			}
 			affectedInstances.put(uuid, serializeSelfAsJsonNode());
 			sanityCheck();
 		} catch(ResourceRegistryException e) {
@@ -359,7 +355,11 @@ public abstract class EntityManagement<E extends Entity, ET extends EntityType>
 			
 			internalAddToContext();
 			
+			if(!dryRun) {
 				oDatabaseDocument.commit();
+			}else {
+				oDatabaseDocument.rollback();
+			}
 			logger.info("{} with UUID {} successfully added to Context with UUID {}", typeName, uuid, contextUUID);
 		} catch(ResourceRegistryException e) {
 			logger.error("Unable to add {} with UUID {} to Context with UUID {} - Reason is {}", typeName, uuid, contextUUID, e.getMessage());
@@ -390,10 +390,8 @@ public abstract class EntityManagement<E extends Entity, ET extends EntityType>
 		try {
 			setOperation(Operation.REMOVE_FROM_CONTEXT);
 			reallyRemoveFromContext();
-			if(!dryRun) {
 			HeaderUtility.updateModifiedByAndLastUpdate(element);
 			element.save();
-			}
 			affectedInstances.put(uuid, serializeSelfAsJsonNode());
 			sanityCheck();
 		} catch(ResourceRegistryException e) {
@@ -404,7 +402,7 @@ public abstract class EntityManagement<E extends Entity, ET extends EntityType>
 		}
 	}
 	
-	protected Map<UUID,JsonNode> reallyRemoveFromContext()
+	protected void reallyRemoveFromContext()
 			throws ContextException, ResourceRegistryException {
 		
 		if(honourPropagationConstraintsInContextSharing) {
@@ -420,17 +418,14 @@ public abstract class EntityManagement<E extends Entity, ET extends EntityType>
 			}
 		}
 		
-		if(!dryRun) {
 		targetSecurityContext.removeElement(getElement(), oDatabaseDocument);
-		}
+		
 		/* 
 		 * DO NOT UNCOMMENT
 		 * the instance is added internalAddToContext() function after 
 		 * the update of Header metadata i.e. modifiedBy, lastUpdateTime 
 		 * affectedInstances.put(uuid, serializeSelfOnly());
 		 */
-		
-		return affectedInstances;
 	}
 	
 	public void removeFromContext(UUID contextUUID)
@@ -448,7 +443,11 @@ public abstract class EntityManagement<E extends Entity, ET extends EntityType>
 			
 			internalRemoveFromContext();
 			
+			if(!dryRun) {
 				oDatabaseDocument.commit();
+			}else {
+				oDatabaseDocument.rollback();
+			}
 			logger.info("{} with UUID {} successfully removed from Context with UUID {}", typeName, uuid, contextUUID);
 		} catch(ResourceRegistryException e) {
 			logger.error("Unable to remove {} with UUID {} from Context with UUID {}", typeName, uuid, contextUUID);
@@ -498,7 +497,7 @@ public abstract class EntityManagement<E extends Entity, ET extends EntityType>
 		}
 	}
 	
-	public boolean propertyMatchRequestedVlaue(OVertex v, String key, String requestedValue, Object instanceValue) throws SchemaException, ResourceRegistryException {
+	public boolean propertyMatchRequestedValue(OVertex v, String key, String requestedValue, Object instanceValue) throws SchemaException, ResourceRegistryException {
 		return requestedValue.compareTo(instanceValue.toString())==0;
 		
 		
@@ -585,7 +584,7 @@ public abstract class EntityManagement<E extends Entity, ET extends EntityType>
 						skip = true;
 						break;
 					}else {
-						skip = !propertyMatchRequestedVlaue(v, key, value, o);
+						skip = !propertyMatchRequestedValue(v, key, value, o);
 						if(skip) {
 							break;
 						}

src/main/java/org/gcube/informationsystem/resourceregistry/instances/model/entities/FacetManagement.java

@@ -1,8 +1,5 @@
 package org.gcube.informationsystem.resourceregistry.instances.model.entities;
 
-import java.util.Map;
-import java.util.UUID;
-
 import org.gcube.com.fasterxml.jackson.databind.JsonNode;
 import org.gcube.informationsystem.base.reference.AccessType;
 import org.gcube.informationsystem.model.reference.entities.Facet;
@@ -70,14 +67,14 @@ public class FacetManagement extends EntityManagement<Facet, FacetType> {
 	}
 	
 	@Override
-	protected Map<UUID,JsonNode> reallyRemoveFromContext()
+	protected void reallyRemoveFromContext()
 			throws ContextException, ResourceRegistryException {
 		if(entryPoint) {
 			OVertex oVertex = getElement().getVertices(ODirection.IN).iterator().next();
 			resourceManagement = new ResourceManagement();
 			resourceManagement.setElement(oVertex);
 		}
-		return super.reallyRemoveFromContext();
+		super.reallyRemoveFromContext();
 	}
 	
 	@Override

src/main/java/org/gcube/informationsystem/resourceregistry/instances/model/entities/ResourceManagement.java

@@ -249,9 +249,7 @@ public class ResourceManagement extends EntityManagement<Resource, ResourceType>
 	protected void reallyAddToContext()
 			throws ContextException, ResourceRegistryException {
 		
-		if(!dryRun) {
 		targetSecurityContext.addElement(getElement(), oDatabaseDocument);
-		}
 		
 		/* 
 		 * DO NOT UNCOMMENT

src/main/java/org/gcube/informationsystem/resourceregistry/instances/model/relations/RelationManagement.java

@@ -421,9 +421,8 @@ public abstract class RelationManagement<T extends EntityManagement<? extends En
 					targetEntityManagement.internalAddToContext();
 					affectedInstances.putAll(targetEntityManagement.getAffectedInstances());
 					
-					if(!dryRun) {
 					targetSecurityContext.addElement(getElement(), oDatabaseDocument);
-					}
+					
 					/* 
 					 * DO NOT UNCOMMENT
 					 * // affectedInstances.put(uuid, serializeSelfOnly());
@@ -440,9 +439,7 @@ public abstract class RelationManagement<T extends EntityManagement<? extends En
 					break;
 			}
 		}else {
-			if(!dryRun) {
 			targetSecurityContext.addElement(getElement(), oDatabaseDocument);
-			}
 			/* 
 			 * DO NOT UNCOMMENT
 			 * // affectedInstances.put(uuid, serializeSelfOnly());
@@ -461,10 +458,8 @@ public abstract class RelationManagement<T extends EntityManagement<? extends En
 			operation = Operation.ADD_TO_CONTEXT;
 			reallyAddToContext();
 			if(propagationConstraint.getAddConstraint()==PropagationConstraint.AddConstraint.propagate) {
-				if(!dryRun) {
 				HeaderUtility.updateModifiedByAndLastUpdate(element);
 				element.save();
-				}
 				affectedInstances.put(uuid, serializeSelfAsJsonNode());
 			}
 		} catch(ResourceRegistryException e) {
@@ -493,9 +488,8 @@ public abstract class RelationManagement<T extends EntityManagement<? extends En
 		targetEntityManagement.internalAddToContext();
 		affectedInstances.putAll(targetEntityManagement.getAffectedInstances());
 		
-		if(!dryRun) {
 		targetSecurityContext.addElement(getElement(), oDatabaseDocument);
-		}
+		
 		affectedInstances.put(uuid, serializeSelfAsJsonNode());
 		
 		return affectedInstances;
@@ -516,7 +510,11 @@ public abstract class RelationManagement<T extends EntityManagement<? extends En
 			
 			sanityCheck();
 			
+			if(!dryRun) {
 				oDatabaseDocument.commit();
+			}else {
+				oDatabaseDocument.rollback();
+			}
 			logger.info("{} with UUID {} successfully added to Context with UUID {}", accessType.getName(), uuid,
 					contextUUID);
 		} catch(Exception e) {
@@ -570,9 +568,8 @@ public abstract class RelationManagement<T extends EntityManagement<? extends En
 		 * In any removeConstraint value the relation MUST be removed from context to
 		 * avoid to have edge having a source outside of the context.
 		 */
-		if(!dryRun) {
 		targetSecurityContext.removeElement(getElement(), oDatabaseDocument);
-		}
+		
 		affectedInstances.put(uuid, serializeSelfAsJsonNode());
 		
 		T targetEntityManagement = getTargetEntityManagement();
@@ -632,10 +629,8 @@ public abstract class RelationManagement<T extends EntityManagement<? extends En
 		try {
 			setOperation(Operation.REMOVE_FROM_CONTEXT);
 			reallyRemoveFromContext();
-			if(!dryRun) {
 			HeaderUtility.updateModifiedByAndLastUpdate(element);
 			element.save();
-			}
 			affectedInstances.put(uuid, serializeSelfAsJsonNode());
 		} catch(ResourceRegistryException e) {
 			throw e;
@@ -662,7 +657,11 @@ public abstract class RelationManagement<T extends EntityManagement<? extends En
 			
 			sanityCheck();
 			
+			if(!dryRun) {
 				oDatabaseDocument.commit();
+			}else {
+				oDatabaseDocument.rollback();
+			}
 			logger.info("{} with UUID {} successfully removed from Context with UUID {}", typeName, uuid, contextUUID);
 		} catch(ResourceRegistryException e) {
 			logger.error("Unable to remove {} with UUID {} from Context with UUID {}", typeName, uuid, contextUUID);
@@ -716,17 +715,20 @@ public abstract class RelationManagement<T extends EntityManagement<? extends En
 					Utility.toJsonString(element, true), removeConstraint, Utility.SHOULD_NOT_OCCUR_ERROR_MESSAGE);
 		}
 		
-		OVertex target = getTargetEntityManagement().getElement();
+		// pre-loading target entity because after deleting the relation we will not be able to get it
-		affectedInstances.put(uuid, serializeAsJsonNode());
+		T t = getTargetEntityManagement();
+		
+		affectedInstances.put(uuid, serializeSelfAsJsonNode());
 		element.delete();
 		
 		switch(removeConstraint) {
 			case cascade:
-				getTargetEntityManagement().internalDelete();
+				t.internalDelete();
 				break;
 			
 			case cascadeWhenOrphan:
-				Iterable<OEdge> iterable = target.getEdges(ODirection.IN);
+				OVertex target  = t.getElement();
+				Iterable<OEdge> iterable = t.getElement().getEdges(ODirection.IN);
 				Iterator<OEdge> iterator = iterable.iterator();
 				if(iterator.hasNext()) {
 					logger.trace("{} point to {} which is not orphan. Giving {} directive, it will be keep.", element,
@@ -742,6 +744,9 @@ public abstract class RelationManagement<T extends EntityManagement<? extends En
 			default:
 				break;
 		}
+		
+		affectedInstances.putAll(t.getAffectedInstances());
+		
 	}
 	
 	protected Collection<JsonNode> serializeEdges(Iterable<ODocument> edges, boolean postFilterPolymorphic)