Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.store.primitives.impl; |
| 17 | |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 18 | import java.util.Collection; |
| 19 | import java.util.Set; |
Madan Jampani | 86cb243 | 2016-02-17 11:07:56 -0800 | [diff] [blame] | 20 | import java.util.function.Function; |
| 21 | import java.util.stream.Collectors; |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 22 | |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 23 | import io.atomix.protocols.raft.cluster.RaftMember; |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 24 | import org.onosproject.cluster.PartitionId; |
| 25 | import org.onosproject.store.service.PartitionInfo; |
| 26 | |
| 27 | import com.google.common.base.MoreObjects; |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 28 | import com.google.common.collect.ImmutableSet; |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 29 | |
| 30 | /** |
| 31 | * Operational details for a {@code StoragePartition}. |
| 32 | */ |
| 33 | public class StoragePartitionDetails { |
| 34 | |
| 35 | private final PartitionId partitionId; |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 36 | private final Set<RaftMember> activeMembers; |
| 37 | private final Set<RaftMember> configuredMembers; |
| 38 | private final RaftMember leader; |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 39 | private final long leaderTerm; |
| 40 | |
| 41 | public StoragePartitionDetails(PartitionId partitionId, |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 42 | Collection<RaftMember> activeMembers, |
| 43 | Collection<RaftMember> configuredMembers, |
| 44 | RaftMember leader, |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 45 | long leaderTerm) { |
| 46 | this.partitionId = partitionId; |
| 47 | this.activeMembers = ImmutableSet.copyOf(activeMembers); |
| 48 | this.configuredMembers = ImmutableSet.copyOf(configuredMembers); |
| 49 | this.leader = leader; |
| 50 | this.leaderTerm = leaderTerm; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Returns the set of active members. |
| 55 | * @return active members |
| 56 | */ |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 57 | public Set<RaftMember> activeMembers() { |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 58 | return activeMembers; |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Returns the set of configured members. |
| 63 | * @return configured members |
| 64 | */ |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 65 | public Set<RaftMember> configuredMembers() { |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 66 | return configuredMembers; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Returns the partition leader. |
| 71 | * @return leader |
| 72 | */ |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 73 | public RaftMember leader() { |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 74 | return leader; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Returns the partition leader term. |
| 79 | * @return leader term |
| 80 | */ |
| 81 | public long leaderTerm() { |
| 82 | return leaderTerm; |
| 83 | } |
| 84 | |
| 85 | @Override |
| 86 | public String toString() { |
| 87 | return MoreObjects.toStringHelper(getClass()) |
| 88 | .add("activeMembers", activeMembers) |
| 89 | .add("configuredMembers", configuredMembers) |
| 90 | .add("leader", leader) |
| 91 | .add("leaderTerm", leaderTerm) |
| 92 | .toString(); |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Returns the details as an instance of {@code PartitionInfo}. |
| 97 | * @return partition info |
| 98 | */ |
| 99 | public PartitionInfo toPartitionInfo() { |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 100 | Function<RaftMember, String> memberToString = |
| 101 | m -> m == null ? "none" : m.memberId().toString(); |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 102 | return new PartitionInfo(partitionId.toString(), |
| 103 | leaderTerm, |
Madan Jampani | 86cb243 | 2016-02-17 11:07:56 -0800 | [diff] [blame] | 104 | activeMembers.stream().map(memberToString).collect(Collectors.toList()), |
| 105 | memberToString.apply(leader)); |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 106 | } |
| 107 | } |