Examples with GraphDef com.alibaba.maxgraph.sdkcommon.schema.GraphDef used on opensource projects

Example 11 with GraphDef

use of com.alibaba.maxgraph.sdkcommon.schema.GraphDef in project GraphScope by alibaba.

the class ClientService method getSchema.

@Override
public void getSchema(GetSchemaRequest request, StreamObserver<GetSchemaResponse> observer) {
    GraphDef graphDef = this.snapshotCache.getSnapshotWithSchema().getGraphDef();
    observer.onNext(GetSchemaResponse.newBuilder().setGraphDef(graphDef.toProto()).build());
    observer.onCompleted();
}

Example 12 with GraphDef

use of com.alibaba.maxgraph.sdkcommon.schema.GraphDef in project GraphScope by alibaba.

the class SchemaManager method submitBatchDdl.

public void submitBatchDdl(String requestId, String sessionId, DdlRequestBatch ddlRequestBatch, CompletionCallback<Long> callback) {
    logger.info("submitBatchDdl requestId [" + requestId + "], sessionId [" + sessionId + "]");
    if (!ready) {
        callback.onError(new IllegalStateException("SchemaManager is recovering"));
        return;
    }
    this.singleThreadExecutor.execute(() -> {
        try {
            if (!ready) {
                callback.onError(new IllegalStateException("SchemaManager is recovering"));
                return;
            }
            GraphDef tmpGraphDef = this.graphDefRef.get();
            DdlResult ddlResult = this.ddlExecutors.executeDdlRequestBatch(ddlRequestBatch, tmpGraphDef, this.partitionCount);
            GraphDef graphDefResult = ddlResult.getGraphDef();
            List<Operation> ddlOperations = ddlResult.getDdlOperations();
            this.snapshotManager.lockWriteSnapshot();
            BatchId batchId;
            try {
                long currentWriteSnapshotId = this.snapshotManager.getCurrentWriteSnapshotId();
                OperationBatch operationBatch = OperationBatch.newBuilder(ddlOperations).setLatestSnapshotId(currentWriteSnapshotId).build();
                batchId = this.ddlWriter.writeOperations(requestId, operationBatch);
            } finally {
                this.snapshotManager.unlockWriteSnapshot();
            }
            long snapshotId = batchId.getSnapshotId();
            CompletableFuture<Void> future = new CompletableFuture<>();
            this.snapshotManager.addSnapshotListener(snapshotId, () -> {
                this.graphDefRef.set(graphDefResult);
                future.complete(null);
            });
            future.get();
            callback.onCompleted(snapshotId);
        } catch (Exception e) {
            logger.error("Error in Ddl requestId [" + requestId + "], sessionId [" + sessionId + "]", e);
            this.ready = false;
            callback.onError(e);
            this.singleThreadExecutor.execute(() -> recover());
        }
    });
}

Example 13 with GraphDef

use of com.alibaba.maxgraph.sdkcommon.schema.GraphDef in project GraphScope by alibaba.

the class BackupManagerTest method testBackupManager.

@Test
void testBackupManager() throws IOException, InterruptedException {
    // init config
    Configs configs = Configs.newBuilder().put(CommonConfig.STORE_NODE_COUNT.getKey(), "2").put(BackupConfig.BACKUP_ENABLE.getKey(), "true").put(BackupConfig.BACKUP_CREATION_BUFFER_MAX_COUNT.getKey(), "4").put(BackupConfig.BACKUP_GC_INTERVAL_HOURS.getKey(), "24").put(BackupConfig.BACKUP_AUTO_SUBMIT.getKey(), "false").put(BackupConfig.BACKUP_AUTO_SUBMIT_INTERVAL_HOURS.getKey(), "24").build();
    // init data
    long querySnapshotId = 10L;
    GraphDef graphDef = GraphDef.newBuilder().setVersion(10L).build();
    SnapshotWithSchema snapshotWithSchema = new SnapshotWithSchema(querySnapshotId, graphDef);
    List<Long> queueOffsets = new ArrayList<>();
    Map<Integer, Integer> partitionToBackupId1 = new HashMap<>();
    partitionToBackupId1.put(0, 1);
    partitionToBackupId1.put(1, 1);
    Map<Integer, Integer> partitionToBackupId2 = new HashMap<>();
    partitionToBackupId2.put(0, 2);
    partitionToBackupId2.put(1, 2);
    BackupInfo backupInfo1 = new BackupInfo(1, querySnapshotId, graphDef.toProto().toByteArray(), queueOffsets, partitionToBackupId1);
    BackupInfo backupInfo2 = new BackupInfo(2, querySnapshotId, graphDef.toProto().toByteArray(), queueOffsets, partitionToBackupId2);
    // mock MetaStore behaviours
    ObjectMapper objectMapper = new ObjectMapper();
    MetaStore mockMetaStore = mock(MetaStore.class);
    when(mockMetaStore.exists(anyString())).thenReturn(true);
    when(mockMetaStore.read(GLOBAL_BACKUP_ID_PATH)).thenReturn(objectMapper.writeValueAsBytes(0));
    when(mockMetaStore.read(BACKUP_INFO_PATH)).thenReturn(objectMapper.writeValueAsBytes(new ArrayList<BackupInfo>()));
    // mock MetaService behaviours
    MetaService mockMetaService = mock(MetaService.class);
    when(mockMetaService.getPartitionCount()).thenReturn(2);
    when(mockMetaService.getStoreIdByPartition(0)).thenReturn(0);
    when(mockMetaService.getStoreIdByPartition(1)).thenReturn(1);
    // mock SnapshotManager behaviours
    SnapshotManager mockSnapshotManager = mock(SnapshotManager.class);
    when(mockSnapshotManager.getQueueOffsets()).thenReturn(queueOffsets);
    // mock SchemaManager
    SchemaManager mockSchemaManager = mock(SchemaManager.class);
    when(mockSchemaManager.getGraphDef()).thenReturn(graphDef);
    // mock SnapshotCache
    SnapshotCache mockSnapshotCache = mock(SnapshotCache.class);
    when(mockSnapshotCache.getSnapshotWithSchema()).thenReturn(snapshotWithSchema);
    // mock StoreBackupTaskSender behaviours
    StoreBackupTaskSender mockStoreBackupTaskSender = mock(StoreBackupTaskSender.class);
    doAnswer(invocation -> {
        int partitionOrStoreId = invocation.getArgument(0);
        int globalBackupId = invocation.getArgument(1);
        CompletionCallback<StoreBackupId> callback = invocation.getArgument(2);
        StoreBackupId storeBackupId = new StoreBackupId(globalBackupId);
        storeBackupId.addPartitionBackupId(partitionOrStoreId, globalBackupId);
        callback.onCompleted(storeBackupId);
        return null;
    }).when(mockStoreBackupTaskSender).createStoreBackup(anyInt(), anyInt(), any());
    doAnswer(invocation -> {
        CompletionCallback<Void> callback = invocation.getArgument(3);
        callback.onCompleted(null);
        return null;
    }).when(mockStoreBackupTaskSender).restoreFromStoreBackup(anyInt(), any(), anyString(), any());
    doAnswer(invocation -> {
        CompletionCallback<Void> callback = invocation.getArgument(2);
        callback.onCompleted(null);
        return null;
    }).when(mockStoreBackupTaskSender).verifyStoreBackup(anyInt(), any(), any());
    BackupManager backupManager = new BackupManager(configs, mockMetaService, mockMetaStore, mockSnapshotManager, mockSchemaManager, mockSnapshotCache, mockStoreBackupTaskSender);
    backupManager.start();
    verify(mockSnapshotManager).addListener(any());
    // create the first backup
    CountDownLatch updateBackupIdLatch1 = new CountDownLatch(1);
    CountDownLatch updateBackupInfoByCreation1Latch = new CountDownLatch(1);
    doAnswer(invocation -> {
        updateBackupIdLatch1.countDown();
        return null;
    }).when(mockMetaStore).write(GLOBAL_BACKUP_ID_PATH, objectMapper.writeValueAsBytes(1));
    doAnswer(invocation -> {
        byte[] backupInfoBytes = invocation.getArgument(1);
        List<BackupInfo> backupInfoList = objectMapper.readValue(backupInfoBytes, new TypeReference<List<BackupInfo>>() {
        });
        assertEquals(backupInfoList.size(), 1);
        assertEquals(backupInfoList.get(0), backupInfo1);
        updateBackupInfoByCreation1Latch.countDown();
        return null;
    }).when(mockMetaStore).write(BACKUP_INFO_PATH, objectMapper.writeValueAsBytes(Collections.singletonList(backupInfo1)));
    int backupId1 = backupManager.createNewBackup();
    assertEquals(backupId1, 1);
    assertTrue(updateBackupIdLatch1.await(5L, TimeUnit.SECONDS));
    assertTrue(updateBackupInfoByCreation1Latch.await(5L, TimeUnit.SECONDS));
    // create the second backup
    CountDownLatch updateBackupIdLatch2 = new CountDownLatch(1);
    CountDownLatch updateBackupInfoByCreation2Latch = new CountDownLatch(1);
    doAnswer(invocation -> {
        updateBackupIdLatch2.countDown();
        return null;
    }).when(mockMetaStore).write(GLOBAL_BACKUP_ID_PATH, objectMapper.writeValueAsBytes(2));
    doAnswer(invocation -> {
        byte[] backupInfoBytes = invocation.getArgument(1);
        List<BackupInfo> backupInfoList = objectMapper.readValue(backupInfoBytes, new TypeReference<List<BackupInfo>>() {
        });
        backupInfoList.sort(new Comparator<BackupInfo>() {

            @Override
            public int compare(BackupInfo o1, BackupInfo o2) {
                return o1.getGlobalBackupId() - o2.getGlobalBackupId();
            }
        });
        assertEquals(backupInfoList.size(), 2);
        assertEquals(backupInfoList.get(0), backupInfo1);
        assertEquals(backupInfoList.get(1), backupInfo2);
        updateBackupInfoByCreation2Latch.countDown();
        return null;
    }).when(mockMetaStore).write(BACKUP_INFO_PATH, objectMapper.writeValueAsBytes(Arrays.asList(backupInfo1, backupInfo2)));
    int backupId2 = backupManager.createNewBackup();
    assertEquals(backupId2, 2);
    assertTrue(updateBackupIdLatch2.await(5L, TimeUnit.SECONDS));
    assertTrue(updateBackupInfoByCreation2Latch.await(5L, TimeUnit.SECONDS));
    // get backup info list and check
    assertEquals(backupManager.getBackupInfoList().size(), 2);
    // verify backups
    try {
        backupManager.verifyBackup(backupId1);
        backupManager.verifyBackup(backupId2);
    } catch (Exception e) {
        fail("should not have thrown any exception during backup verification");
    }
    // restore from the second backup
    try {
        backupManager.restoreFromBackup(backupId2, "restore_meta", "restore_store");
        assertTrue(Files.exists(Paths.get("restore_meta", "query_snapshot_id")));
        assertTrue(Files.exists(Paths.get("restore_meta", "graph_def_proto_bytes")));
        assertTrue(Files.exists(Paths.get("restore_meta", "queue_offsets")));
    } catch (Exception e) {
        fail("should not have thrown any exception during backup restoring");
    } finally {
        FileUtils.deleteDirectory(new File("restore_meta"));
    }
    // purge 1 old backup
    CountDownLatch updateBackupInfoByPurgingLatch = new CountDownLatch(1);
    doAnswer(invocation -> {
        byte[] backupInfoBytes = invocation.getArgument(1);
        List<BackupInfo> backupInfoList = objectMapper.readValue(backupInfoBytes, new TypeReference<List<BackupInfo>>() {
        });
        assertEquals(backupInfoList.size(), 1);
        assertEquals(backupInfoList.get(0), backupInfo2);
        updateBackupInfoByPurgingLatch.countDown();
        return null;
    }).when(mockMetaStore).write(BACKUP_INFO_PATH, objectMapper.writeValueAsBytes(Collections.singletonList(backupInfo2)));
    backupManager.purgeOldBackups(1);
    assertTrue(updateBackupInfoByPurgingLatch.await(5L, TimeUnit.SECONDS));
    // get backup info list and check
    assertEquals(backupManager.getBackupInfoList().size(), 1);
    // delete the remaining backup '2'
    CountDownLatch updateBackupInfoByDeletionLatch = new CountDownLatch(1);
    doAnswer(invocation -> {
        byte[] backupInfoBytes = invocation.getArgument(1);
        List<BackupInfo> backupInfoList = objectMapper.readValue(backupInfoBytes, new TypeReference<List<BackupInfo>>() {
        });
        assertTrue(backupInfoList.isEmpty());
        updateBackupInfoByDeletionLatch.countDown();
        return null;
    }).when(mockMetaStore).write(BACKUP_INFO_PATH, objectMapper.writeValueAsBytes(new ArrayList<BackupInfo>()));
    backupManager.deleteBackup(2);
    assertTrue(updateBackupInfoByDeletionLatch.await(5L, TimeUnit.SECONDS));
    // get backup info list and check
    assertTrue(backupManager.getBackupInfoList().isEmpty());
    backupManager.stop();
    verify(mockSnapshotManager).removeListener(any());
}

Example 14 with GraphDef

use of com.alibaba.maxgraph.sdkcommon.schema.GraphDef in project GraphScope by alibaba.

the class CoordinatorRpcTest method testFrontendSnapshotClient.

@Test
void testFrontendSnapshotClient() {
    FrontendSnapshotGrpc.FrontendSnapshotStub stub = mock(FrontendSnapshotGrpc.FrontendSnapshotStub.class);
    FrontendSnapshotClient client = new FrontendSnapshotClient(stub);
    GraphDef graphDef = GraphDef.newBuilder().build();
    doAnswer(invocationOnMock -> {
        AdvanceQuerySnapshotRequest req = invocationOnMock.getArgument(0);
        StreamObserver<AdvanceQuerySnapshotResponse> observer = invocationOnMock.getArgument(1);
        assertEquals(req.getGraphDef(), graphDef.toProto());
        assertEquals(req.getSnapshotId(), 10L);
        observer.onNext(AdvanceQuerySnapshotResponse.newBuilder().setPreviousSnapshotId(9L).build());
        return null;
    }).when(stub).advanceQuerySnapshot(any(), any());
    CompletionCallback completionCallback = mock(CompletionCallback.class);
    client.advanceQuerySnapshot(10L, graphDef, completionCallback);
    verify(completionCallback).onCompleted(9L);
}

Example 15 with GraphDef

use of com.alibaba.maxgraph.sdkcommon.schema.GraphDef in project GraphScope by alibaba.

the class LocalSnapshotListenerTest method testListener.

@Test
void testListener() {
    SchemaManager schemaManager = mock(SchemaManager.class);
    GraphDef graphDef = GraphDef.newBuilder().setVersion(3L).build();
    when(schemaManager.getGraphDef()).thenReturn(graphDef);
    SnapshotCache snapshotCache = mock(SnapshotCache.class);
    LocalSnapshotListener listener = new LocalSnapshotListener(schemaManager, snapshotCache);
    listener.snapshotAdvanced(10L, 10L);
    verify(snapshotCache).advanceQuerySnapshotId(eq(10L), eq(graphDef));
    listener.snapshotAdvanced(20L, 10L);
    verify(snapshotCache).advanceQuerySnapshotId(eq(20L), isNull());
}