Java NeoServer类代码示例

import org.neo4j.server.NeoServer; //导入依赖的package包/类
/**
 * Neo4j Server bean.
 * Runs Neo4j server for integration tests and returns {@link GraphDatabaseService} instance.
 *
 * @return {@link GraphDatabaseService}
 */
@Bean(destroyMethod = "shutdown")
public GraphDatabaseService graphDatabaseService() {
    String homeDir = "./target";
    String configFile = "./src/test/resources/neo4j.conf";
    ServerBootstrapper serverBootstrapper = new CommunityBootstrapper();
    int i = serverBootstrapper.start(new File(homeDir), Optional.of(new File(configFile)));
    switch (i) {
        case ServerBootstrapper.OK:
            logger.debug("Server started");
            break;
        case ServerBootstrapper.GRAPH_DATABASE_STARTUP_ERROR_CODE:
            logger.error("Server failed to start: graph database startup error");
            break;
        case ServerBootstrapper.WEB_SERVER_STARTUP_ERROR_CODE:
            logger.error("Server failed to start: web server startup error");
            break;
        default:
            logger.error("Server failed to start: unknown error");
            break;
    }
    NeoServer neoServer = serverBootstrapper.getServer();
    return neoServer.getDatabase().getGraph();
}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Override
    public Collection<Injectable<?>> start(final NeoServer neoServer) {
        webServer = getWebServer(neoServer);

//        mutablizeRequestParameterMapFitler = new MutablizeRequestParameterMapFitler();
//        convertKafYaInParametersFilter = new ConvertKafYaInParametersFilter();
        beginTransactionFilter = new BeginTransactionFilter(neoServer.getDatabase().getGraph());
//
//        for (String path : mappings.get(MutablizeRequestParameterMapFitler.class)) {
//            webServer.addFilter(mutablizeRequestParameterMapFitler, path);
//        }
//
//        for (String path : mappings.get(ConvertKafYaInParametersFilter.class)) {
//            webServer.addFilter(convertKafYaInParametersFilter, path);
//        }

        for (String path : mappings.get(BeginTransactionFilter.class)) {
            webServer.addFilter(beginTransactionFilter, path);
        }

        return Collections.emptyList();
    }
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void shouldGetValidInfo() throws IOException {
	NeoServer server = CommunityServerBuilder.server().onPort(7577)
			.withThirdPartyJaxRsPackage("org.amanzi.neo4j.csvtreeloader", MOUNT_POINT).build();
	server.start();

	RestRequest restRequest = new RestRequest(server.baseUri().resolve(MOUNT_POINT), CLIENT);
	String query = "service/csvtree";
	JaxRsResponse response = restRequest.get(query);
	assertEquals(200, response.getStatus());
	System.out.println("Got Import response: " + response.getEntity());
	JsonNode tree = objectMapper.readTree(response.getEntity().toString());
	String version = tree.get("version").asText();
	assertTrue("Version should be valid string", version.length() >= 5);
	
	server.stop();
}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void shouldImportFromConfigCSV() throws IOException {
	NeoServer server = CommunityServerBuilder.server().onPort(7577)
			.withThirdPartyJaxRsPackage("org.amanzi.neo4j.csvtreeloader", MOUNT_POINT).build();
	server.start();
	
	String[] columnHeaders = new String[] { "Device.deviceid",
			"Version.version_name.GeoptimaVersion.Version%20Props", "Day..EventDay",
			"Date.time.ConfigCheck" };
	String[] leafProperties = new String[] { "Date.time", "UTC" };
	String leafPropertiesColumn = "Params";
	String treeSpec = "Device-versions->GeoptimaVersion-days->EventDay-checks->ConfigCheck";
	RestRequest restRequest = new RestRequest(server.baseUri().resolve(MOUNT_POINT), CLIENT);
	importFromCSV(restRequest, "samples/short_config.csv", columnHeaders, leafProperties, leafPropertiesColumn, treeSpec, 200, 5, true);
	server.stop();
}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
public static void main(String[] args) throws IOException {
PropertiesConfiguration config = PropertiesHolder.getInstance();
String outputFolderPath = config.getString("output.folder");
  
      File storeDir = new File(outputFolderPath + File.separator + "graph-db");

      ServerBootstrapper serverBootstrapper = new CommunityBootstrapper();
      serverBootstrapper.start(
          storeDir,
          Optional.empty(), // omit configfile, properties follow
          Pair.of("dbms.connector.http.address","127.0.0.1:7474"),
          Pair.of("dbms.connector.http.enabled", "true"),
          Pair.of("dbms.connector.bolt.enabled", "true"),

          // allow the shell connections via port 1337 (default)
          Pair.of("dbms.shell.enabled", "true"),
          Pair.of("dbms.shell.host", "127.0.0.1"),
          Pair.of("dbms.shell.port", "1337"),
          Pair.of("dbms.security.auth_enabled", "false")
      );
      // ^^ serverBootstrapper.start() also registered shutdown hook!

      NeoServer neoServer = serverBootstrapper.getServer();

      System.out.println("Press ENTER to quit.");
      System.in.read();

      neoServer.stop();
  }
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void shouldImportFromCSV() throws IOException {
	NeoServer server = CommunityServerBuilder.server().onPort(7577)
			.withThirdPartyJaxRsPackage("org.amanzi.neo4j.csvtreeloader", MOUNT_POINT).build();
	server.start();

	String[] columnHeaders = new String[] { "DeviceID", "Day..EventDay", "Date.time.Event" };
	String[] leafProperties = new String[] { "Date", "Path", "UTC" };
	String leafPropertiesColumn = "Params";
	RestRequest restRequest = new RestRequest(server.baseUri().resolve(MOUNT_POINT), CLIENT);
	importFromCSV(restRequest, "non-existant.csv", columnHeaders, leafProperties, leafPropertiesColumn, null, 404, 0, true);
	importFromCSV(restRequest, "samples/353333333333333.csv", columnHeaders, leafProperties, leafPropertiesColumn, null, 200, 122, false);
	//importFromCSV(restRequest, "samples/load_config_access.csv", columnHeaders, leafProperties, leafPropertiesColumn, 200, 1000, false);
	server.stop();
}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void shouldManageInvalidRequests() throws IOException {
	NeoServer server = CommunityServerBuilder.server().onPort(7577)
			.withThirdPartyJaxRsPackage("org.amanzi.neo4j.csvtreeloader", MOUNT_POINT).build();
	server.start();

	RestRequest restRequest = new RestRequest(server.baseUri().resolve(MOUNT_POINT), CLIENT);
	importFromCSV(restRequest, null, null, null, null, null, 404, 0, false);
	importFromCSV(restRequest, "samples/353333333333333.csv", null, null, null, null, 200, 122, false);
	server.stop();		
}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void shouldReturnFriends() throws IOException {
    NeoServer server = ServerBuilder.server()
            .withThirdPartyJaxRsPackage("org.neo4j.example.unmanagedextension", MOUNT_POINT)
            .build();
    server.start();
    populateDb(server.getDatabase().getGraph());
    RestRequest restRequest = new RestRequest(server.baseUri().resolve(MOUNT_POINT), CLIENT);
    JaxRsResponse response = restRequest.get("service/friends/B");
    System.out.println(response.getEntity());
    List list = objectMapper.readValue(response.getEntity(), List.class);
    assertEquals(new HashSet<String>(Arrays.asList("A", "C")), new HashSet<String>(list));
    server.stop();
}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void shouldReturnConnectedComponentCount() throws IOException {
    NeoServer server = ServerBuilder.server()
            .withThirdPartyJaxRsPackage("org.neo4j.hwp", MOUNT_POINT)
            .build();
    server.start();
    populateDb(server.getDatabase().getGraph());
    RestRequest restRequest = new RestRequest(server.baseUri().resolve(MOUNT_POINT), CLIENT);
    JaxRsResponse response = restRequest.get("service/hwp/A");

    System.out.println(response.getEntity());
    assertEquals("{\"weight\":8,\"nodes\":[{\"id\":1,\"weight\":1,\"name\":\"A\"},{\"id\":6,\"weight\":4,\"name\":\"AB\"},{\"id\":7,\"weight\":3,\"name\":\"AAA\"}]}", response.getEntity());
    server.stop();

}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void shouldReturnConnectedComponentCount() throws IOException {
    NeoServer server = ServerBuilder.server()
            .withThirdPartyJaxRsPackage("org.neo4j.max_flow", MOUNT_POINT)
            .build();
    server.start();
    populateDb(server.getDatabase().getGraph());
    RestRequest restRequest = new RestRequest(server.baseUri().resolve(MOUNT_POINT), CLIENT);
    JaxRsResponse response = restRequest.get("service/max_flow/1/7");
    assertEquals("5", response.getEntity());
    server.stop();

}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void shouldReturnConnectedComponentCount() throws IOException {
    NeoServer server = ServerBuilder.server()
            .withThirdPartyJaxRsPackage("org.neo4j.cc", MOUNT_POINT)
            .build();
    server.start();
    populateDb(server.getDatabase().getGraph());
    RestRequest restRequest = new RestRequest(server.baseUri().resolve(MOUNT_POINT), CLIENT);
    JaxRsResponse response = restRequest.get("service/cc/KNOWS");
    assertEquals("2", response.getEntity());
    server.stop();

}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void should401WithBasicChallengeWhenASecurityRuleFails()
        throws Exception
{
    NeoServer server = ServerBuilder.server()
            .withSecurityRules(LockDownSecurityRule.class.getCanonicalName() ).build();
    server.start();

    RestRequest restRequest = new RestRequest(server.baseUri());
    String dummyText = "";
    JaxRsResponse response = restRequest.post("db/data/node/0/traverse/node", dummyText);
    assertTrue(response.getStatus() == 401);
    assertTrue(response.getHeaders().getFirst( "WWW-Authenticate" ).contains("Basic realm=\"WallyWorld\""));
    server.stop();
}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void should401WithBasicChallengeWhenASecurityRuleFailswithBatch()
        throws Exception
{
    NeoServer server = ServerBuilder.server()
            .withSecurityRules(LockDownSecurityRule.class.getCanonicalName() ).build();
    server.start();

    RestRequest restRequest = new RestRequest(server.baseUri());
    String dummyText = "[ {\n" +
            "  \"method\" : \"POST\",\n" +
            "  \"to\" : \"/node/0/traverse\",\n" +
            "  \"body\" : {\n" +
            "    \"return_filter\" : {\n" +
            "         \"body\" : \"position.length()<3;\",\n" +
            "         \"language\" : \"javascript\" },\n" +
            "    \"prune_evaluator\" : {\n" +
            "         \"name\" : \"none\",\n" +
            "         \"language\" : \"builtin\" }\n" +
            "  },\n" +
            "  \"id\" : 0 }]";

    JaxRsResponse response = restRequest.post("db/data/batch", dummyText);

    // We don't get a nice 200 with an error on the batch request
    // instead we get a 500 actual exception

    //System.out.println(response.getStatus());
    //System.out.println(response.getEntity().toString());
    //assertTrue(response.getStatus() == 401);
    //assertTrue(response.getHeaders().getFirst( "WWW-Authenticate" ).contains("Basic realm=\"WallyWorld\""));
    assertTrue(response.getStatus() == 500);
    server.stop();
}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
@Test
public void should200WithBasicChallengeWhenASecurityRuleSucceeds()
        throws Exception
{
    NeoServer server = ServerBuilder.server()
            .withSecurityRules(LockDownSecurityRule.class.getCanonicalName() ).build();
    server.start();

    RestRequest restRequest = new RestRequest(server.baseUri());

    JaxRsResponse response = restRequest.get("db/data/node/0");
    assertTrue(response.getStatus() == 200);
    server.stop();
}
 

import org.neo4j.server.NeoServer; //导入依赖的package包/类
private WebServer getWebServer(final NeoServer neoServer) {
    if (neoServer instanceof AbstractNeoServer) {
        return ((AbstractNeoServer) neoServer).getWebServer();
    }
    throw new IllegalArgumentException("expected AbstractNeoServer");
}