| /** |
| * 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 java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.SortedMap; |
| import java.util.TreeMap; |
| |
| import org.apache.atlas.AtlasException; |
| import org.apache.atlas.EntityAuditEvent; |
| |
| import com.google.inject.Singleton; |
| |
| /** |
| * Entity audit repository where audit events are stored in-memory. Used only for integration tests |
| */ |
| @Singleton |
| public class InMemoryEntityAuditRepository implements EntityAuditRepository { |
| private TreeMap<String, EntityAuditEvent> auditEvents = new TreeMap<>(); |
| |
| @Override |
| public void putEvents(EntityAuditEvent... events) throws AtlasException { |
| putEvents(Arrays.asList(events)); |
| } |
| |
| @Override |
| public synchronized void putEvents(List<EntityAuditEvent> events) throws AtlasException { |
| for (EntityAuditEvent event : events) { |
| String rowKey = event.getEntityId() + (Long.MAX_VALUE - event.getTimestamp()); |
| event.setEventKey(rowKey); |
| auditEvents.put(rowKey, event); |
| } |
| } |
| |
| //synchronized to avoid concurrent modification exception that occurs if events are added |
| //while we are iterating through the map |
| @Override |
| public synchronized List<EntityAuditEvent> listEvents(String entityId, String startKey, short maxResults) |
| throws AtlasException { |
| List<EntityAuditEvent> events = new ArrayList<>(); |
| String myStartKey = startKey; |
| if (myStartKey == null) { |
| myStartKey = entityId; |
| } |
| SortedMap<String, EntityAuditEvent> subMap = auditEvents.tailMap(myStartKey); |
| for (EntityAuditEvent event : subMap.values()) { |
| if (events.size() < maxResults && event.getEntityId().equals(entityId)) { |
| events.add(event); |
| } |
| } |
| return events; |
| } |
| |
| @Override |
| public long repositoryMaxSize() throws AtlasException { |
| return -1; |
| } |
| |
| @Override |
| public List<String> getAuditExcludeAttributes(String entityType) throws AtlasException { |
| return null; |
| } |
| } |