| /* |
| * Copyright 2015 Webindex authors (see AUTHORS) |
| * |
| * Licensed 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 webindex.data.fluo; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import com.google.common.collect.Sets.SetView; |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.fluo.recipes.accumulo.export.AccumuloExport; |
| import webindex.core.Constants; |
| import webindex.core.models.Link; |
| import webindex.core.models.Page; |
| |
| public class PageExport implements AccumuloExport<String> { |
| |
| private String json; |
| private List<Link> addedLinks; |
| private List<Link> deletedLinks; |
| |
| public PageExport() {} |
| |
| public PageExport(String json, SetView<Link> addedLinks, SetView<Link> deletedLinks) { |
| this.json = json; |
| this.addedLinks = new ArrayList<>(addedLinks); |
| this.deletedLinks = new ArrayList<>(deletedLinks); |
| } |
| |
| @Override |
| public Collection<Mutation> toMutations(String referencingUri, long seq) { |
| |
| ArrayList<Mutation> mutations = new ArrayList<>(addedLinks.size() + deletedLinks.size() + 1); |
| |
| Mutation jsonMutation = new Mutation("p:" + referencingUri); |
| if (json.equals(Page.DELETE_JSON)) { |
| jsonMutation.putDelete(Constants.PAGE, Constants.CUR, seq); |
| } else { |
| jsonMutation.put(Constants.PAGE, Constants.CUR, seq, json); |
| } |
| mutations.add(jsonMutation); |
| |
| // invert links on export |
| for (Link link : addedLinks) { |
| Mutation m = new Mutation("p:" + link.getPageID()); |
| m.put(Constants.INLINKS, referencingUri, seq, link.getAnchorText()); |
| mutations.add(m); |
| } |
| |
| for (Link link : deletedLinks) { |
| Mutation m = new Mutation("p:" + link.getPageID()); |
| m.putDelete(Constants.INLINKS, referencingUri, seq); |
| mutations.add(m); |
| } |
| |
| return mutations; |
| } |
| |
| } |