org.apache.hadoop.hbase.replication.regionserver.SyncReplicationPeerInfoProvider Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of hbase-server Show documentation
Show all versions of hbase-server Show documentation
Server functionality for HBase
/*
* 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.util.Optional;
import java.util.function.BiPredicate;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.replication.SyncReplicationState;
import org.apache.hadoop.hbase.util.Pair;
import org.apache.yetus.audience.InterfaceAudience;
/**
* Get the information for a sync replication peer.
*/
@InterfaceAudience.Private
public interface SyncReplicationPeerInfoProvider {
/**
* Return the peer id and remote WAL directory if the table is synchronously replicated and the
* state is {@link SyncReplicationState#ACTIVE}.
*/
Optional> getPeerIdAndRemoteWALDir(TableName table);
/**
* Check whether the given table is contained in a sync replication peer which can pass the state
* checker.
*
* Will call the checker with current sync replication state and new sync replication state.
*/
boolean checkState(TableName table,
BiPredicate checker);
}