| /* |
| * 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.master.procedure; |
| |
| import org.apache.commons.lang3.builder.ToStringBuilder; |
| import org.apache.commons.lang3.builder.ToStringStyle; |
| import org.apache.hadoop.hbase.master.procedure.PeerProcedureInterface.PeerOperationType; |
| import org.apache.hadoop.hbase.procedure2.LockStatus; |
| import org.apache.hadoop.hbase.procedure2.Procedure; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| @InterfaceAudience.Private |
| class PeerQueue extends Queue<String> { |
| |
| public PeerQueue(String peerId, LockStatus lockStatus) { |
| super(peerId, lockStatus); |
| } |
| |
| @Override |
| public boolean requireExclusiveLock(Procedure<?> proc) { |
| return requirePeerExclusiveLock((PeerProcedureInterface) proc); |
| } |
| |
| private static boolean requirePeerExclusiveLock(PeerProcedureInterface proc) { |
| // These procedures will only be used as sub procedures, and if they are scheduled, it always |
| // means that the root procedure holds the xlock, so we do not need to hold any locks. |
| return proc.getPeerOperationType() != PeerOperationType.REFRESH |
| && proc.getPeerOperationType() != PeerOperationType.RECOVER_STANDBY |
| && proc.getPeerOperationType() != PeerOperationType.SYNC_REPLICATION_REPLAY_WAL |
| && proc.getPeerOperationType() != PeerOperationType.SYNC_REPLICATION_REPLAY_WAL_REMOTE; |
| } |
| |
| @Override |
| public String toString() { |
| return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).appendSuper(super.toString()) |
| .build(); |
| } |
| } |