| /* |
| * 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.hugegraph.auth; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hugegraph.backend.id.Id; |
| import org.apache.hugegraph.schema.EdgeLabel; |
| import org.apache.tinkerpop.gremlin.structure.Edge; |
| import org.apache.tinkerpop.gremlin.structure.Graph.Hidden; |
| import org.apache.tinkerpop.gremlin.structure.T; |
| |
| import org.apache.hugegraph.HugeGraphParams; |
| import org.apache.hugegraph.auth.SchemaDefine.Relationship; |
| |
| public class HugeBelong extends Relationship { |
| |
| private static final long serialVersionUID = -7242751631755533423L; |
| |
| private final Id user; |
| private final Id group; |
| private String description; |
| |
| public HugeBelong(Id user, Id group) { |
| this.user = user; |
| this.group = group; |
| this.description = null; |
| } |
| |
| @Override |
| public ResourceType type() { |
| return ResourceType.GRANT; |
| } |
| |
| @Override |
| public String label() { |
| return P.BELONG; |
| } |
| |
| @Override |
| public String sourceLabel() { |
| return P.USER; |
| } |
| |
| @Override |
| public String targetLabel() { |
| return P.GROUP; |
| } |
| |
| @Override |
| public Id source() { |
| return this.user; |
| } |
| |
| @Override |
| public Id target() { |
| return this.group; |
| } |
| |
| public String description() { |
| return this.description; |
| } |
| |
| public void description(String description) { |
| this.description = description; |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("HugeBelong(%s->%s)%s", |
| this.user, this.group, this.asMap()); |
| } |
| |
| @Override |
| protected boolean property(String key, Object value) { |
| if (super.property(key, value)) { |
| return true; |
| } |
| switch (key) { |
| case P.DESCRIPTION: |
| this.description = (String) value; |
| break; |
| default: |
| throw new AssertionError("Unsupported key: " + key); |
| } |
| return true; |
| } |
| |
| @Override |
| protected Object[] asArray() { |
| List<Object> list = new ArrayList<>(10); |
| |
| list.add(T.label); |
| list.add(P.BELONG); |
| |
| if (this.description != null) { |
| list.add(P.DESCRIPTION); |
| list.add(this.description); |
| } |
| |
| return super.asArray(list); |
| } |
| |
| @Override |
| public Map<String, Object> asMap() { |
| Map<String, Object> map = new HashMap<>(); |
| |
| map.put(Hidden.unHide(P.USER), this.user); |
| map.put(Hidden.unHide(P.GROUP), this.group); |
| |
| if (this.description != null) { |
| map.put(Hidden.unHide(P.DESCRIPTION), this.description); |
| } |
| |
| return super.asMap(map); |
| } |
| |
| public static HugeBelong fromEdge(Edge edge) { |
| HugeBelong belong = new HugeBelong((Id) edge.outVertex().id(), |
| (Id) edge.inVertex().id()); |
| return fromEdge(edge, belong); |
| } |
| |
| public static Schema schema(HugeGraphParams graph) { |
| return new Schema(graph); |
| } |
| |
| public static final class P { |
| |
| public static final String BELONG = Hidden.hide("belong"); |
| |
| public static final String LABEL = T.label.getAccessor(); |
| |
| public static final String USER = HugeUser.P.USER; |
| public static final String GROUP = HugeGroup.P.GROUP; |
| |
| public static final String DESCRIPTION = "~belong_description"; |
| |
| public static String unhide(String key) { |
| final String prefix = Hidden.hide("belong_"); |
| if (key.startsWith(prefix)) { |
| return key.substring(prefix.length()); |
| } |
| return key; |
| } |
| } |
| |
| public static final class Schema extends SchemaDefine { |
| |
| public Schema(HugeGraphParams graph) { |
| super(graph, P.BELONG); |
| } |
| |
| @Override |
| public void initSchemaIfNeeded() { |
| if (this.existEdgeLabel(this.label)) { |
| return; |
| } |
| |
| String[] properties = this.initProperties(); |
| |
| // Create edge label |
| EdgeLabel label = this.schema().edgeLabel(this.label) |
| .sourceLabel(P.USER) |
| .targetLabel(P.GROUP) |
| .properties(properties) |
| .nullableKeys(P.DESCRIPTION) |
| .enableLabelIndex(true) |
| .build(); |
| this.graph.schemaTransaction().addEdgeLabel(label); |
| } |
| |
| private String[] initProperties() { |
| List<String> props = new ArrayList<>(); |
| |
| props.add(createPropertyKey(P.DESCRIPTION)); |
| |
| return super.initProperties(props); |
| } |
| } |
| } |