| /** |
| * 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 com.google.inject.Inject; |
| import org.apache.atlas.AtlasErrorCode; |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.typedef.AtlasEntityDef; |
| import org.apache.atlas.repository.Constants; |
| import org.apache.atlas.repository.graphdb.AtlasVertex; |
| import org.apache.atlas.repository.store.graph.AtlasEntityDefStore; |
| import org.apache.atlas.type.AtlasEntityType; |
| 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; |
| |
| /** |
| * EntityDef store in v1 format. |
| */ |
| public class AtlasEntityDefStoreV1 extends AtlasAbstractDefStoreV1 implements AtlasEntityDefStore { |
| private static final Logger LOG = LoggerFactory.getLogger(AtlasEntityDefStoreV1.class); |
| |
| @Inject |
| public AtlasEntityDefStoreV1(AtlasTypeDefGraphStoreV1 typeDefStore, AtlasTypeRegistry typeRegistry) { |
| super(typeDefStore, typeRegistry); |
| } |
| |
| @Override |
| public AtlasVertex preCreate(AtlasEntityDef entityDef) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.preCreate({})", entityDef); |
| } |
| |
| validateType(entityDef); |
| |
| AtlasType type = typeRegistry.getType(entityDef.getName()); |
| |
| if (type.getTypeCategory() != org.apache.atlas.model.TypeCategory.ENTITY) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_MATCH_FAILED, entityDef.getName(), TypeCategory.CLASS.name()); |
| } |
| |
| AtlasVertex ret = typeDefStore.findTypeVertexByName(entityDef.getName()); |
| |
| if (ret != null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_ALREADY_EXISTS, entityDef.getName()); |
| } |
| |
| ret = typeDefStore.createTypeVertex(entityDef); |
| |
| updateVertexPreCreate(entityDef, (AtlasEntityType)type, ret); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasEntityDefStoreV1.preCreate({}): {}", entityDef, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasEntityDef create(AtlasEntityDef entityDef, Object preCreateResult) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.create({}, {})", entityDef, preCreateResult); |
| } |
| |
| AtlasVertex vertex; |
| |
| if (preCreateResult == null || !(preCreateResult instanceof AtlasVertex)) { |
| vertex = preCreate(entityDef); |
| } else { |
| vertex = (AtlasVertex)preCreateResult; |
| } |
| |
| updateVertexAddReferences(entityDef, vertex); |
| |
| AtlasEntityDef ret = toEntityDef(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasEntityDefStoreV1.create({}, {}): {}", entityDef, preCreateResult, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public List<AtlasEntityDef> getAll() throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.getAll()"); |
| } |
| |
| List<AtlasEntityDef> ret = new ArrayList<>(); |
| Iterator<AtlasVertex> vertices = typeDefStore.findTypeVerticesByCategory(TypeCategory.CLASS); |
| |
| while (vertices.hasNext()) { |
| ret.add(toEntityDef(vertices.next())); |
| } |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasEntityDefStoreV1.getAll(): count={}", ret.size()); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasEntityDef getByName(String name) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.getByName({})", name); |
| } |
| |
| AtlasVertex vertex = typeDefStore.findTypeVertexByNameAndCategory(name, TypeCategory.CLASS); |
| |
| if (vertex == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_NAME_NOT_FOUND, name); |
| } |
| |
| vertex.getProperty(Constants.TYPE_CATEGORY_PROPERTY_KEY, TypeCategory.class); |
| |
| AtlasEntityDef ret = toEntityDef(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasEntityDefStoreV1.getByName({}): {}", name, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasEntityDef getByGuid(String guid) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.getByGuid({})", guid); |
| } |
| |
| AtlasVertex vertex = typeDefStore.findTypeVertexByGuidAndCategory(guid, TypeCategory.CLASS); |
| |
| if (vertex == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_GUID_NOT_FOUND, guid); |
| } |
| |
| AtlasEntityDef ret = toEntityDef(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasEntityDefStoreV1.getByGuid({}): {}", guid, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasEntityDef update(AtlasEntityDef entityDef) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.update({})", entityDef); |
| } |
| |
| validateType(entityDef); |
| |
| AtlasEntityDef ret = StringUtils.isNotBlank(entityDef.getGuid()) ? updateByGuid(entityDef.getGuid(), entityDef) |
| : updateByName(entityDef.getName(), entityDef); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasEntityDefStoreV1.update({}): {}", entityDef, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasEntityDef updateByName(String name, AtlasEntityDef entityDef) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.updateByName({}, {})", name, entityDef); |
| } |
| |
| validateType(entityDef); |
| |
| AtlasType type = typeRegistry.getType(entityDef.getName()); |
| |
| if (type.getTypeCategory() != org.apache.atlas.model.TypeCategory.ENTITY) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_MATCH_FAILED, entityDef.getName(), TypeCategory.CLASS.name()); |
| } |
| |
| AtlasVertex vertex = typeDefStore.findTypeVertexByNameAndCategory(name, TypeCategory.CLASS); |
| |
| if (vertex == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_NAME_NOT_FOUND, name); |
| } |
| |
| updateVertexPreUpdate(entityDef, (AtlasEntityType)type, vertex); |
| updateVertexAddReferences(entityDef, vertex); |
| |
| AtlasEntityDef ret = toEntityDef(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasEntityDefStoreV1.updateByName({}, {}): {}", name, entityDef, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasEntityDef updateByGuid(String guid, AtlasEntityDef entityDef) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.updateByGuid({})", guid); |
| } |
| |
| validateType(entityDef); |
| |
| AtlasType type = typeRegistry.getTypeByGuid(guid); |
| |
| if (type.getTypeCategory() != org.apache.atlas.model.TypeCategory.ENTITY) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_MATCH_FAILED, entityDef.getName(), TypeCategory.CLASS.name()); |
| } |
| |
| AtlasVertex vertex = typeDefStore.findTypeVertexByGuidAndCategory(guid, TypeCategory.CLASS); |
| |
| if (vertex == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_GUID_NOT_FOUND, guid); |
| } |
| |
| updateVertexPreUpdate(entityDef, (AtlasEntityType)type, vertex); |
| updateVertexAddReferences(entityDef, vertex); |
| |
| AtlasEntityDef ret = toEntityDef(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasEntityDefStoreV1.updateByGuid({}): {}", guid, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasVertex preDeleteByName(String name) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.preDeleteByName({})", name); |
| } |
| |
| AtlasVertex ret = typeDefStore.findTypeVertexByNameAndCategory(name, TypeCategory.CLASS); |
| |
| 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("<== AtlasEntityDefStoreV1.preDeleteByName({}): {}", name, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public void deleteByName(String name, Object preDeleteResult) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.deleteByName({}, {})", name, preDeleteResult); |
| } |
| |
| AtlasVertex vertex; |
| |
| if (preDeleteResult == null || !(preDeleteResult instanceof AtlasVertex)) { |
| vertex = preDeleteByName(name); |
| } else { |
| vertex = (AtlasVertex)preDeleteResult; |
| } |
| |
| typeDefStore.deleteTypeVertex(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasEntityDefStoreV1.deleteByName({}, {})", name, preDeleteResult); |
| } |
| } |
| |
| @Override |
| public AtlasVertex preDeleteByGuid(String guid) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.preDeleteByGuid({})", guid); |
| } |
| |
| AtlasVertex ret = typeDefStore.findTypeVertexByGuidAndCategory(guid, TypeCategory.CLASS); |
| |
| 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("<== AtlasEntityDefStoreV1.preDeleteByGuid({}): {}", guid, ret); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public void deleteByGuid(String guid, Object preDeleteResult) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasEntityDefStoreV1.deleteByGuid({}, {})", guid, preDeleteResult); |
| } |
| |
| AtlasVertex vertex; |
| |
| if (preDeleteResult == null || !(preDeleteResult instanceof AtlasVertex)) { |
| vertex = preDeleteByGuid(guid); |
| } else { |
| vertex = (AtlasVertex)preDeleteResult; |
| } |
| |
| typeDefStore.deleteTypeVertex(vertex); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasEntityDefStoreV1.deleteByGuid({}, {})", guid, preDeleteResult); |
| } |
| } |
| |
| private void updateVertexPreCreate(AtlasEntityDef entityDef, AtlasEntityType entityType, AtlasVertex vertex) throws AtlasBaseException { |
| AtlasStructDefStoreV1.updateVertexPreCreate(entityDef, entityType, vertex, typeDefStore); |
| } |
| |
| private void updateVertexPreUpdate(AtlasEntityDef entityDef, AtlasEntityType entityType, AtlasVertex vertex) |
| throws AtlasBaseException { |
| AtlasStructDefStoreV1.updateVertexPreUpdate(entityDef, entityType, vertex, typeDefStore); |
| } |
| |
| private void updateVertexAddReferences(AtlasEntityDef entityDef, AtlasVertex vertex) throws AtlasBaseException { |
| AtlasStructDefStoreV1.updateVertexAddReferences(entityDef, vertex, typeDefStore); |
| |
| typeDefStore.createSuperTypeEdges(vertex, entityDef.getSuperTypes(), TypeCategory.CLASS); |
| } |
| |
| private AtlasEntityDef toEntityDef(AtlasVertex vertex) throws AtlasBaseException { |
| AtlasEntityDef ret = null; |
| |
| if (vertex != null && typeDefStore.isTypeVertex(vertex, TypeCategory.CLASS)) { |
| ret = new AtlasEntityDef(); |
| |
| AtlasStructDefStoreV1.toStructDef(vertex, ret, typeDefStore); |
| |
| ret.setSuperTypes(typeDefStore.getSuperTypeNames(vertex)); |
| } |
| |
| return ret; |
| } |
| } |