forked from apache/atlas
-
Notifications
You must be signed in to change notification settings - Fork 9
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
3 changed files
with
127 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
116 changes: 116 additions & 0 deletions
116
.../org/apache/atlas/repository/store/graph/v2/preprocessor/lineage/LineagePreProcessor.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| /** | ||
| * 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.v2.preprocessor.lineage; | ||
|
|
||
|
|
||
| import org.apache.atlas.RequestContext; | ||
| import org.apache.atlas.exception.AtlasBaseException; | ||
| import org.apache.atlas.model.instance.AtlasEntity; | ||
| import org.apache.atlas.model.instance.AtlasStruct; | ||
| import org.apache.atlas.model.instance.EntityMutations; | ||
| import org.apache.atlas.repository.graphdb.AtlasGraph; | ||
| import org.apache.atlas.repository.graphdb.AtlasVertex; | ||
| import org.apache.atlas.repository.store.graph.AtlasEntityStore; | ||
| import org.apache.atlas.repository.store.graph.v2.AtlasEntityStream; | ||
| import org.apache.atlas.repository.store.graph.v2.EntityGraphRetriever; | ||
| import org.apache.atlas.repository.store.graph.v2.EntityMutationContext; | ||
| import org.apache.atlas.repository.store.graph.v2.EntityStream; | ||
| import org.apache.atlas.repository.store.graph.v2.preprocessor.PreProcessor; | ||
| import org.apache.atlas.type.AtlasTypeRegistry; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import java.util.Map; | ||
|
|
||
| import static org.apache.atlas.repository.Constants.*; | ||
| import static org.apache.atlas.repository.Constants.NAME; | ||
|
|
||
| public class LineagePreProcessor implements PreProcessor { | ||
| private static final Logger LOG = LoggerFactory.getLogger(LineagePreProcessor.class); | ||
|
|
||
| private final AtlasTypeRegistry typeRegistry; | ||
| private final EntityGraphRetriever entityRetriever; | ||
| private AtlasEntityStore entityStore; | ||
|
|
||
|
|
||
| public LineagePreProcessor(AtlasTypeRegistry typeRegistry, EntityGraphRetriever entityRetriever, AtlasGraph graph, AtlasEntityStore entityStore) { | ||
| this.entityRetriever = entityRetriever; | ||
| this.typeRegistry = typeRegistry; | ||
| this.entityStore = entityStore; | ||
| } | ||
|
|
||
| @Override | ||
| public void processAttributes(AtlasStruct entityStruct, EntityMutationContext context, | ||
| EntityMutations.EntityOperation operation) throws AtlasBaseException { | ||
| if (LOG.isDebugEnabled()) { | ||
| LOG.debug("LineageProcessPreProcessor.processAttributes: pre processing {}, {}", entityStruct.getAttribute(QUALIFIED_NAME), operation); | ||
| } | ||
|
|
||
| AtlasEntity entity = (AtlasEntity) entityStruct; | ||
| AtlasVertex vertex = context.getVertex(entity.getGuid()); | ||
|
|
||
| switch (operation) { | ||
| case CREATE: | ||
| processCreateLineageProcess(entity); | ||
| break; | ||
| case UPDATE: | ||
| processUpdateLineageProcess(entity, vertex, context); | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| private void processCreateLineageProcess(AtlasEntity entity) { | ||
| // check if connection lineage exists | ||
| Map<String, Object> relAttrValues = entity.getRelationshipAttributes(); | ||
|
|
||
| relAttrValues.get("outputs"); | ||
| relAttrValues.get("inputs"); | ||
|
|
||
|
|
||
| // if not exist create lineage process | ||
| } | ||
|
|
||
| private void processUpdateLineageProcess(AtlasEntity entity, AtlasVertex vertex, EntityMutationContext context) { | ||
| // check if connection lineage exists | ||
|
|
||
| // if not exist update lineage process | ||
|
|
||
| } | ||
|
|
||
| private void createConnectionProcessEntity(AtlasEntity entity, String connectionProcessName, String connectionProcessQn, Map<String, Object> relAttrValues) throws AtlasBaseException { | ||
| AtlasEntity processEntity = new AtlasEntity(); | ||
| processEntity.setTypeName(PROCESS_ENTITY_TYPE); | ||
| processEntity.setAttribute(NAME, connectionProcessName); | ||
| processEntity.setAttribute(QUALIFIED_NAME, connectionProcessQn + "/process"); | ||
| processEntity.setRelationshipAttributes(relAttrValues); | ||
|
|
||
| try { | ||
| RequestContext.get().setSkipAuthorizationCheck(true); | ||
| AtlasEntity.AtlasEntitiesWithExtInfo processExtInfo = new AtlasEntity.AtlasEntitiesWithExtInfo(); | ||
| processExtInfo.addEntity(processEntity); | ||
| EntityStream entityStream = new AtlasEntityStream(processExtInfo); | ||
| entityStore.createOrUpdate(entityStream, false); // adding new process | ||
| } finally { | ||
| RequestContext.get().setSkipAuthorizationCheck(false); | ||
| } | ||
| } | ||
|
|
||
| private void updateConnectionProcessEntity(AtlasEntity processEntity) throws AtlasBaseException{ | ||
|
|
||
| } | ||
| } |