| /* |
| * |
| * 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.hadoop.hbase.replication.regionserver; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.classification.InterfaceAudience; |
| import org.apache.hadoop.hbase.HBaseInterfaceAudience; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.coprocessor.BaseRegionObserver; |
| import org.apache.hadoop.hbase.coprocessor.ObserverContext; |
| import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment; |
| import org.apache.hadoop.hbase.regionserver.HRegionServer; |
| import org.apache.hadoop.hbase.util.Pair; |
| |
| /** |
| * An Observer to facilitate replication operations |
| */ |
| |
| @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG) |
| public class ReplicationObserver extends BaseRegionObserver { |
| private static final Log LOG = LogFactory.getLog(ReplicationObserver.class); |
| |
| @Override |
| public void preCommitStoreFile(final ObserverContext<RegionCoprocessorEnvironment> ctx, |
| final byte[] family, final List<Pair<Path, Path>> pairs) throws IOException { |
| RegionCoprocessorEnvironment env = ctx.getEnvironment(); |
| Configuration c = env.getConfiguration(); |
| if (pairs == null |
| || pairs.isEmpty() |
| || !c.getBoolean(HConstants.REPLICATION_BULKLOAD_ENABLE_KEY, |
| HConstants.REPLICATION_BULKLOAD_ENABLE_DEFAULT)) { |
| LOG.debug("Skipping recording bulk load entries in preCommitStoreFile for bulkloaded " |
| + "data replication."); |
| return; |
| } |
| HRegionServer rs = (HRegionServer) env.getRegionServerServices(); |
| Replication rep = (Replication) rs.getReplicationSourceService(); |
| rep.addHFileRefsToQueue(env.getRegionInfo().getTable(), family, pairs); |
| } |
| } |