| /** |
| * 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.discovery; |
| |
| import org.apache.atlas.repository.graphdb.AtlasVertex; |
| import org.apache.atlas.utils.AtlasPerfTracer; |
| import org.apache.commons.collections.CollectionUtils; |
| import org.apache.commons.collections.MapUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| |
| public class TermSearchProcessor extends SearchProcessor { |
| private static final Logger LOG = LoggerFactory.getLogger(TermSearchProcessor.class); |
| private static final Logger PERF_LOG = AtlasPerfTracer.getPerfLogger("TermSearchProcessor"); |
| |
| public static final String ATLAS_GLOSSARY_TERM_ENTITY_TYPE = "AtlasGlossaryTerm"; |
| public static final String ATLAS_GLOSSARY_TERM_ATTR_QNAME = "qualifiedName"; |
| public static final String ATLAS_GLOSSARY_TERM_ATTR_ASSIGNED_ENTITIES = "assignedEntities"; |
| public static final String ATLAS_GLOSSARY_TERM_ATTR_MEANINGS = "meanings"; |
| |
| final List<AtlasVertex> assignedEntities; |
| |
| public TermSearchProcessor(SearchContext context, List<AtlasVertex> assignedEntities) { |
| super(context); |
| |
| this.assignedEntities = assignedEntities; |
| } |
| |
| @Override |
| public List<AtlasVertex> execute() { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> TermSearchProcessor.execute({})", context); |
| } |
| |
| List<AtlasVertex> ret = new ArrayList<>(); |
| AtlasPerfTracer perf = null; |
| |
| if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) { |
| perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "TermSearchProcessor.execute(" + context + ")"); |
| } |
| |
| //marker functionality will not work when there is need to fetch Term vertices and get entities from it |
| try { |
| if (CollectionUtils.isNotEmpty(assignedEntities)) { |
| LinkedHashMap<Integer, AtlasVertex> offsetEntityVertexMap = new LinkedHashMap<>(); |
| |
| final int startIdx = context.getSearchParameters().getOffset(); |
| final int limit = context.getSearchParameters().getLimit(); |
| final List<AtlasVertex> tmpList = new ArrayList<>(assignedEntities); |
| |
| for (int i = 0; i < tmpList.size(); i++) { |
| offsetEntityVertexMap.put(i, tmpList.get(i)); |
| } |
| |
| offsetEntityVertexMap = super.filter(offsetEntityVertexMap); |
| |
| collectResultVertices(ret, startIdx, limit, 0, offsetEntityVertexMap, null); |
| } |
| } finally { |
| AtlasPerfTracer.log(perf); |
| } |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== TermSearchProcessor.execute({}): ret.size()={}", context, ret.size()); |
| } |
| |
| return ret; |
| } |
| |
| //this filter is never used |
| @Override |
| public LinkedHashMap<Integer, AtlasVertex> filter(LinkedHashMap<Integer, AtlasVertex> offsetEntityVertexMap) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> TermSearchProcessor.filter({})", offsetEntityVertexMap.size()); |
| } |
| |
| if (MapUtils.isNotEmpty(offsetEntityVertexMap)) { |
| if (CollectionUtils.isEmpty(assignedEntities)) { |
| offsetEntityVertexMap.clear(); |
| } else { |
| offsetEntityVertexMap.entrySet().stream(). |
| filter(o -> { |
| if (o instanceof AtlasVertex) { |
| AtlasVertex entityVertex = (AtlasVertex) o; |
| |
| for (AtlasVertex assignedEntity : assignedEntities) { |
| if (assignedEntity.getId().equals(entityVertex.getId())) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| }).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (x, y) -> y, LinkedHashMap::new)); |
| } |
| } |
| |
| offsetEntityVertexMap = super.filter(offsetEntityVertexMap); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== TermSearchProcessor.filter(): ret.size()={}", offsetEntityVertexMap.size()); |
| } |
| |
| return offsetEntityVertexMap; |
| } |
| |
| @Override |
| public long getResultCount() { |
| return assignedEntities != null ? assignedEntities.size() : -1; |
| } |
| } |