| /* |
| * 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.phoenix.coprocessor; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| |
| import org.apache.hadoop.hbase.CoprocessorEnvironment; |
| import org.apache.hadoop.hbase.coprocessor.CoprocessorException; |
| import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor; |
| import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment; |
| import org.apache.hadoop.hbase.io.ImmutableBytesWritable; |
| import org.apache.phoenix.cache.GlobalCache; |
| import org.apache.phoenix.cache.TenantCache; |
| import org.apache.phoenix.coprocessor.ServerCachingProtocol.ServerCacheFactory; |
| import org.apache.phoenix.coprocessor.generated.ServerCachingProtos.AddServerCacheRequest; |
| import org.apache.phoenix.coprocessor.generated.ServerCachingProtos.AddServerCacheResponse; |
| import org.apache.phoenix.coprocessor.generated.ServerCachingProtos.RemoveServerCacheRequest; |
| import org.apache.phoenix.coprocessor.generated.ServerCachingProtos.RemoveServerCacheResponse; |
| import org.apache.phoenix.coprocessor.generated.ServerCachingProtos.ServerCachingService; |
| import org.apache.phoenix.hbase.index.util.ImmutableBytesPtr; |
| import org.apache.phoenix.protobuf.ProtobufUtil; |
| import org.apache.phoenix.util.ByteUtil; |
| import org.apache.phoenix.util.ScanUtil; |
| import org.apache.phoenix.util.ServerUtil; |
| |
| import com.google.protobuf.RpcCallback; |
| import com.google.protobuf.RpcController; |
| import com.google.protobuf.Service; |
| |
| /** |
| * |
| * Server-side implementation of {@link ServerCachingProtocol} |
| * |
| * |
| * @since 0.1 |
| */ |
| public class ServerCachingEndpointImpl extends ServerCachingService implements RegionCoprocessor |
| { |
| |
| private RegionCoprocessorEnvironment env; |
| |
| @Override |
| public Iterable<Service> getServices() { |
| return Collections.singleton(this); |
| } |
| |
| @Override |
| public void addServerCache(RpcController controller, AddServerCacheRequest request, |
| RpcCallback<AddServerCacheResponse> done) { |
| ImmutableBytesPtr tenantId = null; |
| if (request.hasTenantId()) { |
| tenantId = new ImmutableBytesPtr(request.getTenantId().toByteArray()); |
| } |
| TenantCache tenantCache = GlobalCache.getTenantCache(this.env, tenantId); |
| ImmutableBytesWritable cachePtr = |
| org.apache.phoenix.protobuf.ProtobufUtil |
| .toImmutableBytesWritable(request.getCachePtr()); |
| byte[] txState = request.hasTxState() ? request.getTxState().toByteArray() : ByteUtil.EMPTY_BYTE_ARRAY; |
| |
| try { |
| @SuppressWarnings("unchecked") |
| Class<ServerCacheFactory> serverCacheFactoryClass = |
| (Class<ServerCacheFactory>) Class.forName(request.getCacheFactory().getClassName()); |
| ServerCacheFactory cacheFactory = serverCacheFactoryClass.newInstance(); |
| tenantCache.addServerCache(new ImmutableBytesPtr(request.getCacheId().toByteArray()), |
| cachePtr, txState, cacheFactory, request.hasHasProtoBufIndexMaintainer() && request.getHasProtoBufIndexMaintainer(), |
| request.getUsePersistentCache(), request.hasClientVersion() ? request.getClientVersion() : ScanUtil.UNKNOWN_CLIENT_VERSION); |
| } catch (Throwable e) { |
| ProtobufUtil.setControllerException(controller, |
| ServerUtil.createIOException("Error when adding cache: ", e)); |
| } |
| AddServerCacheResponse.Builder responseBuilder = AddServerCacheResponse.newBuilder(); |
| responseBuilder.setReturn(true); |
| AddServerCacheResponse result = responseBuilder.build(); |
| done.run(result); |
| } |
| |
| @Override |
| public void removeServerCache(RpcController controller, RemoveServerCacheRequest request, |
| RpcCallback<RemoveServerCacheResponse> done) { |
| ImmutableBytesPtr tenantId = null; |
| if (request.hasTenantId()) { |
| tenantId = new ImmutableBytesPtr(request.getTenantId().toByteArray()); |
| } |
| TenantCache tenantCache = GlobalCache.getTenantCache(this.env, tenantId); |
| tenantCache.removeServerCache(new ImmutableBytesPtr(request.getCacheId().toByteArray())); |
| RemoveServerCacheResponse.Builder responseBuilder = RemoveServerCacheResponse.newBuilder(); |
| responseBuilder.setReturn(true); |
| RemoveServerCacheResponse result = responseBuilder.build(); |
| done.run(result); |
| } |
| |
| @Override |
| public void start(CoprocessorEnvironment env) throws IOException { |
| if (env instanceof RegionCoprocessorEnvironment) { |
| this.env = (RegionCoprocessorEnvironment) env; |
| } else { |
| throw new CoprocessorException("Must be loaded on a table region!"); |
| } |
| } |
| |
| @Override |
| public void stop(CoprocessorEnvironment arg0) throws IOException { |
| // nothing to do |
| } |
| |
| } |