org.apache.hudi.org.apache.hadoop.hbase.replication.NamespaceTableCfWALEntryFilter Maven / Gradle / Ivy
/**
* 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;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.wal.WAL.Entry;
import org.apache.hadoop.hbase.wal.WALEdit;
import org.apache.yetus.audience.InterfaceAudience;
/**
* Filter a WAL Entry by the peer config according to the table and family which it belongs to.
*
* @see ReplicationPeerConfig#needToReplicate(TableName, byte[])
*/
@InterfaceAudience.Private
public class NamespaceTableCfWALEntryFilter implements WALEntryFilter, WALCellFilter {
private final ReplicationPeer peer;
private BulkLoadCellFilter bulkLoadFilter = new BulkLoadCellFilter();
public NamespaceTableCfWALEntryFilter(ReplicationPeer peer) {
this.peer = peer;
}
@Override
public Entry filter(Entry entry) {
if (this.peer.getPeerConfig().needToReplicate(entry.getKey().getTableName())) {
return entry;
} else {
return null;
}
}
@Override
public Cell filterCell(final Entry entry, Cell cell) {
ReplicationPeerConfig peerConfig = this.peer.getPeerConfig();
TableName tableName = entry.getKey().getTableName();
if (CellUtil.matchingColumn(cell, WALEdit.METAFAMILY, WALEdit.BULK_LOAD)) {
// If the cell is about BULKLOAD event, unpack and filter it by BulkLoadCellFilter.
return bulkLoadFilter.filterCell(cell, fam -> !peerConfig.needToReplicate(tableName, fam));
} else {
return peerConfig.needToReplicate(tableName, CellUtil.cloneFamily(cell)) ? cell : null;
}
}
}