| /* |
| * 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.bookkeeper.clients; |
| |
| import static org.apache.bookkeeper.clients.impl.internal.ProtocolInternalUtils.createRootRangeException; |
| import static org.apache.bookkeeper.common.util.ListenableFutures.fromListenableFuture; |
| import static org.apache.bookkeeper.stream.protocol.util.ProtoUtils.createGetStreamRequest; |
| |
| import io.grpc.CallOptions; |
| import io.grpc.ManagedChannel; |
| import io.netty.buffer.ByteBuf; |
| import java.util.Optional; |
| import java.util.concurrent.CompletableFuture; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.bookkeeper.api.StorageClient; |
| import org.apache.bookkeeper.api.exceptions.ApiException; |
| import org.apache.bookkeeper.api.kv.PTable; |
| import org.apache.bookkeeper.api.kv.Table; |
| import org.apache.bookkeeper.clients.config.StorageClientSettings; |
| import org.apache.bookkeeper.clients.impl.kv.ByteBufTableImpl; |
| import org.apache.bookkeeper.clients.impl.kv.PByteBufSimpleTableImpl; |
| import org.apache.bookkeeper.clients.utils.GrpcUtils; |
| import org.apache.bookkeeper.common.concurrent.FutureUtils; |
| import org.apache.bookkeeper.common.util.ExceptionUtils; |
| import org.apache.bookkeeper.common.util.OrderedScheduler; |
| import org.apache.bookkeeper.common.util.SharedResourceManager.Resource; |
| import org.apache.bookkeeper.stream.proto.StorageType; |
| import org.apache.bookkeeper.stream.proto.StreamProperties; |
| import org.apache.bookkeeper.stream.proto.storage.RootRangeServiceGrpc; |
| import org.apache.bookkeeper.stream.proto.storage.RootRangeServiceGrpc.RootRangeServiceFutureStub; |
| import org.apache.bookkeeper.stream.proto.storage.StatusCode; |
| |
| /** |
| * The implementation of {@link StorageClient} client. |
| */ |
| @Slf4j |
| public class SimpleStorageClientImpl extends SimpleClientBase implements StorageClient { |
| |
| private static final String COMPONENT_NAME = SimpleStorageClientImpl.class.getSimpleName(); |
| |
| private final String defaultNamespace; |
| private final RootRangeServiceFutureStub rootRangeService; |
| |
| public SimpleStorageClientImpl(String namespaceName, |
| StorageClientSettings settings) { |
| super(settings); |
| this.defaultNamespace = namespaceName; |
| this.rootRangeService = GrpcUtils.configureGrpcStub( |
| RootRangeServiceGrpc.newFutureStub(channel), |
| Optional.empty()); |
| } |
| |
| public SimpleStorageClientImpl(String namespaceName, |
| StorageClientSettings settings, |
| Resource<OrderedScheduler> schedulerResource, |
| ManagedChannel channel) { |
| super(settings, schedulerResource, channel, false); |
| this.defaultNamespace = namespaceName; |
| this.rootRangeService = GrpcUtils.configureGrpcStub( |
| RootRangeServiceGrpc.newFutureStub(channel), |
| Optional.empty()); |
| } |
| |
| // |
| // Materialized Views |
| // |
| |
| @Override |
| public CompletableFuture<PTable<ByteBuf, ByteBuf>> openPTable(String tableName) { |
| return openPTable(defaultNamespace, tableName); |
| } |
| |
| @Override |
| public CompletableFuture<PTable<ByteBuf, ByteBuf>> openPTable(String namespaceName, |
| String tableName) { |
| return ExceptionUtils.callAndHandleClosedAsync( |
| COMPONENT_NAME, |
| isClosed(), |
| (future) -> openTableImpl(namespaceName, tableName, future)); |
| } |
| |
| @Override |
| public CompletableFuture<Table<ByteBuf, ByteBuf>> openTable(String table) { |
| return openTable(defaultNamespace, table); |
| } |
| |
| @Override |
| public CompletableFuture<Table<ByteBuf, ByteBuf>> openTable(String namespaceName, |
| String table) { |
| return openPTable(namespaceName, table) |
| .thenApply(pTable -> new ByteBufTableImpl(pTable)); |
| } |
| |
| private void openTableImpl(String namespaceName, |
| String streamName, |
| CompletableFuture<PTable<ByteBuf, ByteBuf>> future) { |
| CompletableFuture<StreamProperties> getStreamFuture = retryUtils.execute(() -> |
| fromListenableFuture(rootRangeService.getStream( |
| createGetStreamRequest(namespaceName, streamName))) |
| ).thenCompose(resp -> { |
| if (StatusCode.SUCCESS == resp.getCode()) { |
| StreamProperties streamProps = resp.getStreamProps(); |
| log.info("Retrieved table properties for table {}/{} : {}", |
| namespaceName, streamName, streamProps); |
| if (StorageType.TABLE != streamProps.getStreamConf().getStorageType()) { |
| return FutureUtils.exception(new ApiException( |
| "Can't open a non-table storage entity : " + streamProps.getStreamConf().getStorageType())); |
| } else { |
| return FutureUtils.value(streamProps); |
| } |
| } else { |
| return FutureUtils.exception(createRootRangeException(namespaceName, resp.getCode())); |
| } |
| }); |
| FutureUtils.proxyTo( |
| getStreamFuture.thenApply(streamProps -> |
| new PByteBufSimpleTableImpl(streamProps, managedChannel, CallOptions.DEFAULT, retryUtils)), |
| future); |
| } |
| |
| } |