| /* |
| * 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.tinkerpop.gremlin.process.computer.bulkloading; |
| |
| import org.apache.commons.configuration.Configuration; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource; |
| import org.apache.tinkerpop.gremlin.structure.Edge; |
| import org.apache.tinkerpop.gremlin.structure.Graph; |
| import org.apache.tinkerpop.gremlin.structure.Vertex; |
| import org.apache.tinkerpop.gremlin.structure.VertexProperty; |
| |
| /** |
| * @author Daniel Kuppitz (http://gremlin.guru) |
| * @deprecated As of release 3.2.10, not directly replaced - consider graph provider specific bulk loading methods |
| */ |
| @Deprecated |
| public interface BulkLoader { |
| |
| /** |
| * Gets or creates a clone of the given vertex in the given graph. |
| * |
| * @param vertex The vertex to be cloned. |
| * @param graph The graph that holds the cloned vertex after this method was called. |
| * @param g A standard traversal source for the given graph. |
| * @return The cloned vertex. |
| */ |
| public Vertex getOrCreateVertex(final Vertex vertex, final Graph graph, final GraphTraversalSource g); |
| |
| /** |
| * Creates a clone of the given edge between the given in- and out-vertices. |
| * |
| * @param edge The edge to be cloned. |
| * @param outVertex The out-vertex in the given graph.. |
| * @param inVertex The in-vertex in the given graph. |
| * @param graph The graph that holds the cloned edge after this method was called. |
| * @param g A standard traversal source for the given graph. |
| * @return The cloned edge. |
| */ |
| public default Edge createEdge(final Edge edge, final Vertex outVertex, final Vertex inVertex, final Graph graph, final GraphTraversalSource g) { |
| final Edge result = outVertex.addEdge(edge.label(), inVertex); |
| edge.properties().forEachRemaining(property -> result.property(property.key(), property.value())); |
| return result; |
| } |
| |
| /** |
| * Gets or creates a clone of the given edge between the given in- and out-vertices. |
| * |
| * @param edge The edge to be cloned. |
| * @param outVertex The out-vertex in the given graph.. |
| * @param inVertex The in-vertex in the given graph. |
| * @param graph The graph that holds the cloned edge after this method was called. |
| * @param g A standard traversal source for the given graph. |
| * @return The cloned edge. |
| */ |
| public Edge getOrCreateEdge(final Edge edge, final Vertex outVertex, final Vertex inVertex, final Graph graph, final GraphTraversalSource g); |
| |
| /** |
| * Creates a clone of the given property for the given vertex. |
| * |
| * @param property The property to be cloned. |
| * @param vertex The vertex in the given graph.. |
| * @param graph The graph that holds the given vertex. |
| * @param g A standard traversal source for the given graph. |
| * @return The cloned property. |
| */ |
| public default VertexProperty createVertexProperty(final VertexProperty<?> property, final Vertex vertex, final Graph graph, final GraphTraversalSource g) { |
| final VertexProperty result = vertex.property(property.key(), property.value()); |
| property.properties().forEachRemaining(metaProperty -> result.property(metaProperty.key(), metaProperty.value())); |
| return result; |
| } |
| |
| /** |
| * Gets or creates a clone of the given property for the given vertex. |
| * |
| * @param property The property to be cloned. |
| * @param vertex The vertex in the given graph.. |
| * @param graph The graph that holds the given vertex. |
| * @param g A standard traversal source for the given graph. |
| * @return The cloned property. |
| */ |
| public VertexProperty getOrCreateVertexProperty(final VertexProperty<?> property, final Vertex vertex, final Graph graph, final GraphTraversalSource g); |
| |
| /** |
| * Get a vertex that matches the given vertex from the given graph. |
| * |
| * @param vertex The vertex to be matched. |
| * @param graph The graph that holds the given vertex. |
| * @param g A standard traversal source for the given graph. |
| * @return The matched vertex. |
| */ |
| public Vertex getVertex(final Vertex vertex, final Graph graph, final GraphTraversalSource g); |
| |
| /** |
| * Gets a vertex by its ID from the given graph. |
| * |
| * @param id The vertex ID. |
| * @param graph The graph that holds the vertex with the given ID. |
| * @param g A standard traversal source for the given graph. |
| * @return The vertex with the given ID. |
| */ |
| public default Vertex getVertexById(final Object id, final Graph graph, final GraphTraversalSource g) { |
| return g.V().hasId(id).next(); |
| } |
| |
| /** |
| * @return Whether to use user supplied identifiers or not. |
| */ |
| public boolean useUserSuppliedIds(); |
| |
| /** |
| * @return Whether to keep the original vertex identifiers in the target graph or not. |
| */ |
| public boolean keepOriginalIds(); |
| |
| /** |
| * @return The name of the vertex property that is used to store the original vertex id. |
| */ |
| public default String getVertexIdProperty() { |
| return BulkLoaderVertexProgram.DEFAULT_BULK_LOADER_VERTEX_ID; |
| } |
| |
| /** |
| * Configures the BulkLoader instance. |
| * |
| * @param configuration The BulkLoader configuration. |
| */ |
| public void configure(final Configuration configuration); |
| } |