Examples with ProcessorLoader com.alibaba.maxgraph.server.ProcessorLoader used on opensource projects

Example 1 with ProcessorLoader

use of com.alibaba.maxgraph.server.ProcessorLoader in project GraphScope by alibaba.

the class Frontend method initAndStartGremlinServer.

protected void initAndStartGremlinServer() throws Exception {
    SchemaFetcher schemaFetcher;
    String vineyardSchemaPath = this.instanceConfig.getVineyardSchemaPath();
    LOG.info("Read schema from vineyard schema file " + vineyardSchemaPath);
    schemaFetcher = new JsonFileSchemaFetcher(vineyardSchemaPath);
    this.remoteGraph = new RemoteGraph(this, schemaFetcher);
    this.remoteGraph.refresh();
    this.graph = new TinkerMaxGraph(instanceConfig, remoteGraph, new DefaultGraphDfs());
    this.graphGremlinServer = new MaxGraphServer(this.graph);
    int tmpGremlinServerPort = instanceConfig.getGremlinServerPort() > 0 ? instanceConfig.getGremlinServerPort() : 0;
    ProcessorLoader processorLoader;
    switch(instanceConfig.getGremlinServerMode()) {
        case TIMELY:
        case MIXED:
            {
                processorLoader = MixedProcessorLoader.newProcessorLoader(graph, this.instanceConfig, new ExecutorAddressFetcher(clientManager), schemaFetcher, new ZKStatementStore(instanceConfig), new MaxGraphRecordProcessorManager(this.graph, this), this.getFrontendQueryManager());
                break;
            }
        default:
            {
                processorLoader = GremlinProcessorLoader.newProcessorLoader();
                break;
            }
    }
    this.graphGremlinServer.start(tmpGremlinServerPort, processorLoader, instanceConfig.getInstanceAuthType() == 1);
    this.gremlinServerPort = tmpGremlinServerPort > 0 ? tmpGremlinServerPort : this.graphGremlinServer.getGremlinServerPort();
    LOG.info("gremlin server port:{}", this.gremlinServerPort);
}

Example 2 with ProcessorLoader

use of com.alibaba.maxgraph.server.ProcessorLoader in project GraphScope by alibaba.

the class ReadOnlyGraphServer method start.

@Override
public void start() {
    this.loadSettings();
    logger.info(GremlinServer.getHeader());
    this.settings.port = GremlinConfig.GREMLIN_PORT.get(this.configs);
    this.settings.host = "0.0.0.0";
    if (settings.gremlinPool == 0) {
        settings.gremlinPool = Runtime.getRuntime().availableProcessors();
    }
    if (StringUtils.equals(settings.channelizer, WsAndHttpChannelizer.class.getName())) {
        settings.channelizer = MaxGraphWsAndHttpSocketChannelizer.class.getName();
    } else {
        throw new IllegalArgumentException("Not support for channelizer=>" + settings.channelizer);
    }
    settings.writeBufferHighWaterMark = GremlinConfig.SERVER_WRITE_BUFFER_HIGH_WATER.get(this.configs);
    settings.writeBufferLowWaterMark = GremlinConfig.SERVER_WRITE_BUFFER_LOW_WATER.get(this.configs);
    this.server = new GremlinServer(settings);
    ServerGremlinExecutor serverGremlinExecutor = Utils.getFieldValue(GremlinServer.class, this.server, "serverGremlinExecutor");
    serverGremlinExecutor.getGraphManager().putGraph("graph", graph);
    serverGremlinExecutor.getGraphManager().putTraversalSource("g", graph.traversal());
    GremlinExecutor gremlinExecutor = Utils.getFieldValue(ServerGremlinExecutor.class, serverGremlinExecutor, "gremlinExecutor");
    Bindings globalBindings = Utils.getFieldValue(GremlinExecutor.class, gremlinExecutor, "globalBindings");
    globalBindings.put("graph", graph);
    globalBindings.put("g", graph.traversal());
    ProcessorLoader processorLoader = new ReadOnlyMaxGraphProcessorLoader(this.configs, this.graph, this.schemaFetcher, this.rpcAddressFetcher);
    try {
        processorLoader.loadProcessor(settings);
    } catch (Exception e) {
        throw new MaxGraphException(e);
    }
    try {
        this.server.start().exceptionally(t -> {
            logger.error("Gremlin Server was unable to start and will now begin" + " shutdown: {}", t.getMessage());
            this.server.stop().join();
            return null;
        }).join();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    logger.info("Gremlin Server started....");
}

Example 3 with ProcessorLoader

use of com.alibaba.maxgraph.server.ProcessorLoader in project GraphScope by alibaba.

the class GaiaGraphServer method start.

@Override
public void start(int port, ProcessorLoader processorLoader, boolean hasAuth) {
    logger.info(GremlinServer.getHeader());
    this.settings.port = instanceConfig.getGremlinServerPort();
    this.settings.host = "0.0.0.0";
    if (settings.gremlinPool == 0) {
        settings.gremlinPool = Runtime.getRuntime().availableProcessors();
    }
    this.server = new GremlinServer(settings);
    loadProcessor(gaiaConfig, broadcastProcessor, storeService);
    // bind g to traversal source
    Graph traversalGraph = TraversalSourceGraph.open(new BaseConfiguration());
    ServerGremlinExecutor serverGremlinExecutor = PlanUtils.getServerGremlinExecutor(this.server);
    serverGremlinExecutor.getGraphManager().putGraph("graph", traversalGraph);
    serverGremlinExecutor.getGraphManager().putTraversalSource("g", traversalGraph.traversal());
    Bindings globalBindings = PlanUtils.getGlobalBindings(server.getServerGremlinExecutor().getGremlinExecutor());
    globalBindings.put("graph", traversalGraph);
    globalBindings.put("g", traversalGraph.traversal());
    // start gremlin server
    try {
        server.start().exceptionally(t -> {
            logger.error("Gremlin Server was unable to start and will now begin" + " shutdown {}", t);
            server.stop().join();
            return null;
        }).join();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    logger.info("Gremlin Server started....");
}