| /** |
| * 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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.store.graph.v1; |
| |
| |
| import org.apache.atlas.AtlasErrorCode; |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.typedef.AtlasClassificationDef; |
| import org.apache.atlas.repository.Constants; |
| import org.apache.atlas.repository.graphdb.AtlasVertex; |
| import org.apache.atlas.repository.store.graph.AtlasClassificationDefStore; |
| import org.apache.atlas.type.AtlasClassificationType; |
| import org.apache.atlas.type.AtlasType; |
| import org.apache.atlas.type.AtlasTypeRegistry; |
| import org.apache.atlas.typesystem.types.DataTypes.TypeCategory; |
| import org.apache.commons.lang.StringUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * ClassificationDef store in v1 format. |
| */ |
| public class AtlasClassificationDefStoreV1 extends AtlasAbstractDefStoreV1 implements AtlasClassificationDefStore { |
| private static final Logger LOG = LoggerFactory.getLogger(AtlasClassificationDefStoreV1.class); |
| |
| private static final String TRAIT_NAME_REGEX = "[a-zA-Z][a-zA-Z0-9_ .]*"; |
| |
| private static final Pattern TRAIT_NAME_PATTERN = Pattern.compile(TRAIT_NAME_REGEX); |
| |
| public AtlasClassificationDefStoreV1(AtlasTypeDefGraphStoreV1 typeDefStore, AtlasTypeRegistry typeRegistry) { |
| super(typeDefStore, typeRegistry); |
| } |
| |
| @Override |
| public AtlasVertex preCreate(AtlasClassificationDef classificationDef) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.preCreate({})", classificationDef); |
| } |
| |
| validateType(classificationDef); |
| |
| AtlasType type = typeRegistry.getType(classificationDef.getName()); |
| |
| if (type.getTypeCategory() != org.apache.atlas.model.TypeCategory.CLASSIFICATION) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_MATCH_FAILED, classificationDef.getName(), TypeCategory.TRAIT.name()); |
| } |
| |
| AtlasVertex ret = typeDefStore.findTypeVertexByName(classificationDef.getName()); |
| |
| if (ret != null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_ALREADY_EXISTS, classificationDef.getName()); |
| } |
| |
| ret = typeDefStore.createTypeVertex(classificationDef); |
| |
| updateVertexPreCreate(classificationDef, (AtlasClassificationType)type, ret); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.preCreate({}): {}", classificationDef, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasClassificationDef create(AtlasClassificationDef classificationDef, Object preCreateResult) |
| throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.create({}, {})", classificationDef, preCreateResult); |
| } |
| |
| AtlasVertex vertex; |
| |
| if (preCreateResult == null || !(preCreateResult instanceof AtlasVertex)) { |
| vertex = preCreate(classificationDef); |
| } else { |
| vertex = (AtlasVertex)preCreateResult; |
| } |
| |
| updateVertexAddReferences(classificationDef, vertex); |
| |
| AtlasClassificationDef ret = toClassificationDef(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.create({}, {}): {}", classificationDef, preCreateResult, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public List<AtlasClassificationDef> getAll() throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.getAll()"); |
| } |
| |
| List<AtlasClassificationDef> ret = new ArrayList<>(); |
| |
| Iterator<AtlasVertex> vertices = typeDefStore.findTypeVerticesByCategory(TypeCategory.TRAIT); |
| while (vertices.hasNext()) { |
| ret.add(toClassificationDef(vertices.next())); |
| } |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.getAll(): count={}", ret.size()); |
| } |
| return ret; |
| } |
| |
| @Override |
| public AtlasClassificationDef getByName(String name) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.getByName({})", name); |
| } |
| |
| AtlasVertex vertex = typeDefStore.findTypeVertexByNameAndCategory(name, TypeCategory.TRAIT); |
| |
| if (vertex == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_NAME_NOT_FOUND, name); |
| } |
| |
| vertex.getProperty(Constants.TYPE_CATEGORY_PROPERTY_KEY, TypeCategory.class); |
| |
| AtlasClassificationDef ret = toClassificationDef(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.getByName({}): {}", name, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasClassificationDef getByGuid(String guid) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.getByGuid({})", guid); |
| } |
| |
| AtlasVertex vertex = typeDefStore.findTypeVertexByGuidAndCategory(guid, TypeCategory.TRAIT); |
| |
| if (vertex == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_GUID_NOT_FOUND, guid); |
| } |
| |
| AtlasClassificationDef ret = toClassificationDef(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.getByGuid({}): {}", guid, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasClassificationDef update(AtlasClassificationDef classifiDef) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.update({})", classifiDef); |
| } |
| |
| validateType(classifiDef); |
| |
| AtlasClassificationDef ret = StringUtils.isNotBlank(classifiDef.getGuid()) |
| ? updateByGuid(classifiDef.getGuid(), classifiDef) : updateByName(classifiDef.getName(), classifiDef); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.update({}): {}", classifiDef, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasClassificationDef updateByName(String name, AtlasClassificationDef classificationDef) |
| throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.updateByName({}, {})", name, classificationDef); |
| } |
| |
| validateType(classificationDef); |
| |
| AtlasType type = typeRegistry.getType(classificationDef.getName()); |
| |
| if (type.getTypeCategory() != org.apache.atlas.model.TypeCategory.CLASSIFICATION) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_MATCH_FAILED, classificationDef.getName(), TypeCategory.TRAIT.name()); |
| } |
| |
| AtlasVertex vertex = typeDefStore.findTypeVertexByNameAndCategory(name, TypeCategory.TRAIT); |
| |
| if (vertex == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_NAME_NOT_FOUND, name); |
| } |
| |
| updateVertexPreUpdate(classificationDef, (AtlasClassificationType)type, vertex); |
| updateVertexAddReferences(classificationDef, vertex); |
| |
| AtlasClassificationDef ret = toClassificationDef(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.updateByName({}, {}): {}", name, classificationDef, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasClassificationDef updateByGuid(String guid, AtlasClassificationDef classificationDef) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.updateByGuid({})", guid); |
| } |
| |
| validateType(classificationDef); |
| |
| AtlasType type = typeRegistry.getTypeByGuid(guid); |
| |
| if (type.getTypeCategory() != org.apache.atlas.model.TypeCategory.CLASSIFICATION) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_MATCH_FAILED, classificationDef.getName(), TypeCategory.TRAIT.name()); |
| } |
| |
| AtlasVertex vertex = typeDefStore.findTypeVertexByGuidAndCategory(guid, TypeCategory.TRAIT); |
| |
| if (vertex == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_GUID_NOT_FOUND, guid); |
| } |
| |
| updateVertexPreUpdate(classificationDef, (AtlasClassificationType)type, vertex); |
| updateVertexAddReferences(classificationDef, vertex); |
| |
| AtlasClassificationDef ret = toClassificationDef(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.updateByGuid({}): {}", guid, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasVertex preDeleteByName(String name) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.preDeleteByName({})", name); |
| } |
| |
| AtlasVertex ret = typeDefStore.findTypeVertexByNameAndCategory(name, TypeCategory.TRAIT); |
| |
| if (AtlasGraphUtilsV1.typeHasInstanceVertex(name)) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_HAS_REFERENCES, name); |
| } |
| |
| if (ret == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_NAME_NOT_FOUND, name); |
| } |
| |
| typeDefStore.deleteTypeVertexOutEdges(ret); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.preDeleteByName({}): ret=", name, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public void deleteByName(String name, Object preDeleteResult) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.deleteByName({})", name); |
| } |
| |
| AtlasVertex vertex; |
| |
| if (preDeleteResult == null || !(preDeleteResult instanceof AtlasVertex)) { |
| vertex = preDeleteByName(name); |
| } else { |
| vertex = (AtlasVertex)preDeleteResult; |
| } |
| |
| typeDefStore.deleteTypeVertex(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.deleteByName({})", name); |
| } |
| } |
| |
| @Override |
| public AtlasVertex preDeleteByGuid(String guid) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.preDeleteByGuid({})", guid); |
| } |
| |
| AtlasVertex ret = typeDefStore.findTypeVertexByGuidAndCategory(guid, TypeCategory.TRAIT); |
| |
| String typeName = AtlasGraphUtilsV1.getProperty(ret, Constants.TYPENAME_PROPERTY_KEY, String.class); |
| |
| if (AtlasGraphUtilsV1.typeHasInstanceVertex(typeName)) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_HAS_REFERENCES, typeName); |
| } |
| |
| if (ret == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_GUID_NOT_FOUND, guid); |
| } |
| |
| typeDefStore.deleteTypeVertexOutEdges(ret); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.preDeleteByGuid({}): ret=", guid, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public void deleteByGuid(String guid, Object preDeleteResult) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasClassificationDefStoreV1.deleteByGuid({})", guid); |
| } |
| |
| AtlasVertex vertex; |
| |
| if (preDeleteResult == null || !(preDeleteResult instanceof AtlasVertex)) { |
| vertex = preDeleteByGuid(guid); |
| } else { |
| vertex = (AtlasVertex)preDeleteResult; |
| } |
| |
| typeDefStore.deleteTypeVertex(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasClassificationDefStoreV1.deleteByGuid({})", guid); |
| } |
| } |
| |
| private void updateVertexPreCreate(AtlasClassificationDef classificationDef, |
| AtlasClassificationType classificationType, |
| AtlasVertex vertex) throws AtlasBaseException { |
| AtlasStructDefStoreV1.updateVertexPreCreate(classificationDef, classificationType, vertex, typeDefStore); |
| } |
| |
| private void updateVertexPreUpdate(AtlasClassificationDef classificationDef, |
| AtlasClassificationType classificationType, |
| AtlasVertex vertex) throws AtlasBaseException { |
| AtlasStructDefStoreV1.updateVertexPreUpdate(classificationDef, classificationType, vertex, typeDefStore); |
| } |
| |
| private void updateVertexAddReferences(AtlasClassificationDef classificationDef, AtlasVertex vertex) throws AtlasBaseException { |
| AtlasStructDefStoreV1.updateVertexAddReferences(classificationDef, vertex, typeDefStore); |
| |
| typeDefStore.createSuperTypeEdges(vertex, classificationDef.getSuperTypes(), TypeCategory.TRAIT); |
| } |
| |
| private AtlasClassificationDef toClassificationDef(AtlasVertex vertex) throws AtlasBaseException { |
| AtlasClassificationDef ret = null; |
| |
| if (vertex != null && typeDefStore.isTypeVertex(vertex, TypeCategory.TRAIT)) { |
| ret = new AtlasClassificationDef(); |
| |
| AtlasStructDefStoreV1.toStructDef(vertex, ret, typeDefStore); |
| |
| ret.setSuperTypes(typeDefStore.getSuperTypeNames(vertex)); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public boolean isValidName(String typeName) { |
| Matcher m = TRAIT_NAME_PATTERN.matcher(typeName); |
| |
| return m.matches(); |
| } |
| } |