| /* |
| * 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.compat.hbase; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Optional; |
| |
| import org.apache.hadoop.hbase.client.Mutation; |
| import org.apache.hadoop.hbase.coprocessor.ObserverContext; |
| import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessor; |
| import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessorEnvironment; |
| import org.apache.hadoop.hbase.coprocessor.RegionServerObserver; |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos; |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos; |
| |
| /** |
| * Replication Sink compat endpoint that helps attach WAL attributes to |
| * mutation. In order to do so, this endpoint utilizes regionserver hook |
| * {@link #preReplicationSinkBatchMutate(ObserverContext, AdminProtos.WALEntry, Mutation)} |
| */ |
| public class ReplicationSinkCompatEndpoint |
| implements RegionServerCoprocessor, RegionServerObserver { |
| |
| @Override |
| public Optional<RegionServerObserver> getRegionServerObserver() { |
| return Optional.of(this); |
| } |
| |
| @Override |
| public void preReplicationSinkBatchMutate( |
| ObserverContext<RegionServerCoprocessorEnvironment> ctx, AdminProtos.WALEntry walEntry, |
| Mutation mutation) throws IOException { |
| RegionServerObserver.super.preReplicationSinkBatchMutate(ctx, walEntry, mutation); |
| List<WALProtos.Attribute> attributeList = walEntry.getKey().getExtendedAttributesList(); |
| attachWALExtendedAttributesToMutation(mutation, attributeList); |
| } |
| |
| private void attachWALExtendedAttributesToMutation(Mutation mutation, |
| List<WALProtos.Attribute> attributeList) { |
| if (attributeList != null) { |
| for (WALProtos.Attribute attribute : attributeList) { |
| mutation.setAttribute(attribute.getKey(), attribute.getValue().toByteArray()); |
| } |
| } |
| } |
| } |