| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.atlas.repository.impexp; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import org.apache.atlas.AtlasErrorCode; |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.impexp.AtlasImportResult; |
| import org.apache.atlas.model.typedef.AtlasBusinessMetadataDef; |
| import org.apache.atlas.model.typedef.AtlasClassificationDef; |
| import org.apache.atlas.model.typedef.AtlasEntityDef; |
| import org.apache.atlas.model.typedef.AtlasEnumDef; |
| import org.apache.atlas.model.typedef.AtlasRelationshipDef; |
| import org.apache.atlas.model.typedef.AtlasStructDef; |
| import org.apache.atlas.model.typedef.AtlasTypesDef; |
| import org.apache.atlas.store.AtlasTypeDefStore; |
| import org.apache.atlas.type.AtlasRelationshipType; |
| import org.apache.atlas.type.AtlasTypeRegistry; |
| import org.apache.atlas.type.AtlasTypeUtil; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class TypeAttributeDifference { |
| private static final Logger LOG = LoggerFactory.getLogger(TypeAttributeDifference.class); |
| |
| private final AtlasTypeDefStore typeDefStore; |
| private final AtlasTypeRegistry typeRegistry; |
| |
| public TypeAttributeDifference(AtlasTypeDefStore typeDefStore, AtlasTypeRegistry typeRegistry) { |
| this.typeDefStore = typeDefStore; |
| this.typeRegistry = typeRegistry; |
| } |
| |
| public void updateTypes(AtlasTypesDef typeDefinitionMap, AtlasImportResult result) throws AtlasBaseException { |
| updateEnumDef(typeDefinitionMap.getEnumDefs(), result); |
| updateStructDef(typeDefinitionMap.getStructDefs(), result); |
| updateClassificationDef(typeDefinitionMap.getClassificationDefs(), result); |
| updateEntityDef(typeDefinitionMap.getEntityDefs(), result); |
| updateRelationshipDefs(typeDefinitionMap.getRelationshipDefs(), result); |
| updateBusinessMetadataDefs(typeDefinitionMap.getBusinessMetadataDefs(), result); |
| } |
| |
| private void updateEntityDef(List<AtlasEntityDef> entityDefs, AtlasImportResult result) throws AtlasBaseException { |
| for (AtlasEntityDef def : entityDefs) { |
| AtlasEntityDef existing = typeRegistry.getEntityDefByName(def.getName()); |
| if (existing != null && addAttributes(existing, def)) { |
| typeDefStore.updateEntityDefByName(existing.getName(), existing); |
| result.incrementMeticsCounter("typedef:entitydef:update"); |
| } |
| } |
| } |
| |
| private void updateClassificationDef(List<AtlasClassificationDef> classificationDefs, AtlasImportResult result) throws AtlasBaseException { |
| for (AtlasClassificationDef def : classificationDefs) { |
| AtlasClassificationDef existing = typeRegistry.getClassificationDefByName(def.getName()); |
| if (existing != null && addAttributes(existing, def)) { |
| typeDefStore.updateClassificationDefByName(existing.getName(), existing); |
| result.incrementMeticsCounter("typedef:classification:update"); |
| } |
| } |
| } |
| |
| private void updateEnumDef(List<AtlasEnumDef> enumDefs, AtlasImportResult result) throws AtlasBaseException { |
| for (AtlasEnumDef def : enumDefs) { |
| AtlasEnumDef existing = typeRegistry.getEnumDefByName(def.getName()); |
| if (existing != null && addElements(existing, def)) { |
| typeDefStore.updateEnumDefByName(existing.getName(), existing); |
| result.incrementMeticsCounter("typedef:enum:update"); |
| } else { |
| |
| } |
| } |
| } |
| |
| private void updateStructDef(List<AtlasStructDef> structDefs, AtlasImportResult result) throws AtlasBaseException { |
| for (AtlasStructDef def : structDefs) { |
| AtlasStructDef existing = typeRegistry.getStructDefByName(def.getName()); |
| if (existing != null && addAttributes(existing, def)) { |
| typeDefStore.updateStructDefByName(existing.getName(), existing); |
| result.incrementMeticsCounter("typedef:struct:update"); |
| } |
| } |
| } |
| |
| private void updateRelationshipDefs(List<AtlasRelationshipDef> relationshipDefs, AtlasImportResult result) throws AtlasBaseException { |
| for (AtlasRelationshipDef def : relationshipDefs) { |
| AtlasRelationshipDef existing = typeRegistry.getRelationshipDefByName(def.getName()); |
| if (existing != null && addAttributes(existing, def)) { |
| typeDefStore.updateRelationshipDefByName(existing.getName(), existing); |
| result.incrementMeticsCounter("typedef:relationshipdef:update"); |
| } |
| } |
| } |
| |
| private void updateBusinessMetadataDefs(List<AtlasBusinessMetadataDef> businessMetadataDefs, AtlasImportResult result) throws AtlasBaseException { |
| for (AtlasBusinessMetadataDef def : businessMetadataDefs) { |
| AtlasBusinessMetadataDef existing = typeRegistry.getBusinessMetadataDefByName(def.getName()); |
| if (existing != null && addAttributes(existing, def)) { |
| typeDefStore.updateStructDefByName(existing.getName(), existing); |
| result.incrementMeticsCounter("typedef:businessmetadatadef:update"); |
| } |
| } |
| } |
| |
| @VisibleForTesting |
| boolean addElements(AtlasEnumDef existing, AtlasEnumDef incoming) throws AtlasBaseException { |
| return addElements(existing, getElementsAbsentInExisting(existing, incoming)); |
| } |
| |
| private boolean addAttributes(AtlasStructDef existing, AtlasStructDef incoming) throws AtlasBaseException { |
| return addAttributes(existing, getElementsAbsentInExisting(existing, incoming)); |
| } |
| |
| @VisibleForTesting |
| List<AtlasStructDef.AtlasAttributeDef> getElementsAbsentInExisting(AtlasStructDef existing, AtlasStructDef incoming) throws AtlasBaseException { |
| List<AtlasStructDef.AtlasAttributeDef> difference = new ArrayList<>(); |
| for (AtlasStructDef.AtlasAttributeDef attr : incoming.getAttributeDefs()) { |
| updateCollectionWithDifferingAttributes(difference, existing, attr); |
| } |
| |
| return difference; |
| } |
| |
| private void updateCollectionWithDifferingAttributes(List<AtlasStructDef.AtlasAttributeDef> difference, |
| AtlasStructDef existing, |
| AtlasStructDef.AtlasAttributeDef incoming) throws AtlasBaseException { |
| AtlasStructDef.AtlasAttributeDef existingAttribute = existing.getAttribute(incoming.getName()); |
| if (existingAttribute == null) { |
| AtlasRelationshipType relationshipType = AtlasTypeUtil.findRelationshipWithLegacyRelationshipEnd(existing.getName(), incoming.getName(), typeRegistry); |
| |
| if (relationshipType == null) { |
| difference.add(incoming); |
| } |
| } else { |
| if (!existingAttribute.getTypeName().equals(incoming.getTypeName())) { |
| LOG.error("Attribute definition difference found: {}, {}", existingAttribute, incoming); |
| throw new AtlasBaseException(AtlasErrorCode.INVALID_IMPORT_ATTRIBUTE_TYPE_CHANGED, existing.getName(), existingAttribute.getName(), existingAttribute.getTypeName(), incoming.getTypeName()); |
| } |
| } |
| } |
| |
| @VisibleForTesting |
| List<AtlasEnumDef.AtlasEnumElementDef> getElementsAbsentInExisting(AtlasEnumDef existing, AtlasEnumDef incoming) throws AtlasBaseException { |
| List<AtlasEnumDef.AtlasEnumElementDef> difference = new ArrayList<>(); |
| for (AtlasEnumDef.AtlasEnumElementDef ed : incoming.getElementDefs()) { |
| updateCollectionWithDifferingAttributes(existing, difference, ed); |
| } |
| |
| return difference; |
| } |
| |
| private void updateCollectionWithDifferingAttributes(AtlasEnumDef existing, List<AtlasEnumDef.AtlasEnumElementDef> difference, AtlasEnumDef.AtlasEnumElementDef ed) throws AtlasBaseException { |
| AtlasEnumDef.AtlasEnumElementDef existingElement = existing.getElement(ed.getValue()); |
| if (existingElement == null) { |
| difference.add(ed); |
| } |
| } |
| |
| private boolean addAttributes(AtlasStructDef def, List<AtlasStructDef.AtlasAttributeDef> list) { |
| for (AtlasStructDef.AtlasAttributeDef ad : list) { |
| def.addAttribute(ad); |
| } |
| |
| return list.size() > 0; |
| } |
| |
| private boolean addElements(AtlasEnumDef def, List<AtlasEnumDef.AtlasEnumElementDef> list) { |
| for (AtlasEnumDef.AtlasEnumElementDef ad : list) { |
| def.addElement(ad); |
| } |
| |
| return list.size() > 0; |
| } |
| } |