/** * Returns all vertices that belong to the given graphs. * * @param graphIds graph identifiers * @return vertices that are contained in the graphs */ public Collection<V> getVerticesByGraphIds(GradoopIdSet graphIds) { Collection<V> result = Sets.newHashSetWithExpectedSize(graphIds.size()); for (V vertex : vertices.values()) { if (vertex.getGraphIds().containsAny(graphIds)) { result.add(vertex); } } return result; }
@Override protected V initFrom(V element) { return vertexFactory.initVertex( element.getId(), GradoopConstants.DEFAULT_VERTEX_LABEL, element.getGraphIds()); } }
@Override protected V initFrom(V element) { return vertexFactory.initVertex( element.getId(), GradoopConstants.DEFAULT_VERTEX_LABEL, element.getGraphIds()); } }
@Override public Vertex readRow(EPGMVertex origin) { return factory.initVertex( origin.getId(), origin.getLabel(), origin.getProperties(), origin.getGraphIds() ); }
@Nonnull @Override public Pair<Key, Value> toRow(@Nonnull EPGMVertex record) throws IOException { //write to content return new Pair<>(new Key(record.getId().toString()), new Value(KryoUtils.dumps(factory.initVertex( record.getId(), record.getLabel(), record.getProperties(), record.getGraphIds())))); }
@Override public Mutation writeRow( Mutation mutation, EPGMVertex record ) { mutation.put(AccumuloTables.KEY.LABEL, AccumuloTables.KEY.NONE, record.getLabel()); //encode properties value bytes as base64 string Iterable<String> keys = record.getPropertyKeys(); if (keys != null) { keys.forEach(key -> mutation.put( /*cf*/AccumuloTables.KEY.PROPERTY, /*cq*/key, /*value*/new Value(record.getPropertyValue(key).getRawBytes()))); } //write graph ids GradoopIdSet ids = record.getGraphIds(); if (ids != null) { ids.forEach( id -> mutation.put(AccumuloTables.KEY.GRAPH, id.toString(), AccumuloTables.KEY.NONE)); } return mutation; }
@Test public void createVertexPojoTest() { GradoopId vertexID = GradoopId.get(); String label = "A"; Properties props = Properties.create(); props.set("k1", "v1"); props.set("k2", "v2"); GradoopId graphId1 = GradoopId.get(); GradoopId graphId2 = GradoopId.get(); GradoopIdSet graphIds = new GradoopIdSet(); graphIds.add(graphId1); graphIds.add(graphId2); EPGMVertex vertex = new VertexFactory() .initVertex(vertexID, label, props, graphIds); assertThat(vertex.getId(), is(vertexID)); assertEquals(label, vertex.getLabel()); assertThat(vertex.getPropertyCount(), is(2)); assertThat(vertex.getPropertyValue("k1").getString(), Is.<Object>is("v1")); assertThat(vertex.getPropertyValue("k2").getString(), Is.<Object>is("v2")); assertThat(vertex.getGraphCount(), is(2)); assertTrue(vertex.getGraphIds().contains(graphId1)); assertTrue(vertex.getGraphIds().contains(graphId2)); }