| /** |
| * 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.audit; |
| |
| import com.google.inject.Inject; |
| import org.apache.atlas.AtlasException; |
| import org.apache.atlas.EntityAuditEvent; |
| import org.apache.atlas.RequestContext; |
| import org.apache.atlas.listener.EntityChangeListener; |
| import org.apache.atlas.typesystem.IStruct; |
| import org.apache.atlas.typesystem.ITypedReferenceableInstance; |
| import org.apache.atlas.typesystem.json.InstanceSerialization; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * Listener on entity create/update/delete, tag add/delete. Adds the corresponding audit event to the audit repository. |
| */ |
| public class EntityAuditListener implements EntityChangeListener { |
| private EntityAuditRepository auditRepository; |
| |
| @Inject |
| public EntityAuditListener(EntityAuditRepository auditRepository) { |
| this.auditRepository = auditRepository; |
| } |
| |
| @Override |
| public void onEntitiesAdded(Collection<ITypedReferenceableInstance> entities) throws AtlasException { |
| List<EntityAuditEvent> events = new ArrayList<>(); |
| long currentTime = RequestContext.get().getRequestTime(); |
| for (ITypedReferenceableInstance entity : entities) { |
| EntityAuditEvent event = createEvent(entity, currentTime, EntityAuditEvent.EntityAuditAction.ENTITY_CREATE, |
| "Created: " + InstanceSerialization.toJson(entity, true)); |
| events.add(event); |
| } |
| auditRepository.putEvents(events); |
| } |
| |
| private EntityAuditEvent createEvent(ITypedReferenceableInstance entity, long ts, |
| EntityAuditEvent.EntityAuditAction action, String details) |
| throws AtlasException { |
| return new EntityAuditEvent(entity.getId()._getId(), ts, RequestContext.get().getUser(), action, details, entity); |
| } |
| |
| @Override |
| public void onEntitiesUpdated(Collection<ITypedReferenceableInstance> entities) throws AtlasException { |
| List<EntityAuditEvent> events = new ArrayList<>(); |
| long currentTime = RequestContext.get().getRequestTime(); |
| for (ITypedReferenceableInstance entity : entities) { |
| EntityAuditEvent event = createEvent(entity, currentTime, EntityAuditEvent.EntityAuditAction.ENTITY_UPDATE, |
| "Updated: " + InstanceSerialization.toJson(entity, true)); |
| events.add(event); |
| } |
| auditRepository.putEvents(events); |
| } |
| |
| @Override |
| public void onTraitAdded(ITypedReferenceableInstance entity, IStruct trait) throws AtlasException { |
| EntityAuditEvent event = createEvent(entity, RequestContext.get().getRequestTime(), |
| EntityAuditEvent.EntityAuditAction.TAG_ADD, |
| "Added trait: " + InstanceSerialization.toJson(trait, true)); |
| auditRepository.putEvents(event); |
| } |
| |
| @Override |
| public void onTraitDeleted(ITypedReferenceableInstance entity, String traitName) throws AtlasException { |
| EntityAuditEvent event = createEvent(entity, RequestContext.get().getRequestTime(), |
| EntityAuditEvent.EntityAuditAction.TAG_DELETE, "Deleted trait: " + traitName); |
| auditRepository.putEvents(event); |
| } |
| |
| @Override |
| public void onEntitiesDeleted(Collection<ITypedReferenceableInstance> entities) throws AtlasException { |
| List<EntityAuditEvent> events = new ArrayList<>(); |
| long currentTime = RequestContext.get().getRequestTime(); |
| for (ITypedReferenceableInstance entity : entities) { |
| EntityAuditEvent event = createEvent(entity, currentTime, |
| EntityAuditEvent.EntityAuditAction.ENTITY_DELETE, "Deleted entity"); |
| events.add(event); |
| } |
| auditRepository.putEvents(events); |
| } |
| } |