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fix/LaggingReplicaReassignmentGoal: store state in clusterModel
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57 changes: 57 additions & 0 deletions
57
...se-control/src/main/java/com/linkedin/kafka/cruisecontrol/model/PartitionInfoWrapper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * Copyright 2017 LinkedIn Corp. Licensed under the BSD 2-Clause License (the "License"). See License in the project root for license information. | ||
| */ | ||
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| package com.linkedin.kafka.cruisecontrol.model; | ||
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| import java.util.Arrays; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
| import org.apache.kafka.common.Node; | ||
| import org.apache.kafka.common.PartitionInfo; | ||
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| public class PartitionInfoWrapper { | ||
| PartitionInfo _pi; | ||
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| public PartitionInfoWrapper(PartitionInfo pi) { | ||
| this._pi = pi; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (o == this) { | ||
| return true; | ||
| } | ||
| if (!(o instanceof PartitionInfoWrapper)) { | ||
| return false; | ||
| } | ||
| PartitionInfoWrapper partitionInfoWrapperObj = (PartitionInfoWrapper) o; | ||
| PartitionInfo p2 = partitionInfoWrapperObj._pi; | ||
| if (_pi.topic().equals(p2.topic()) && _pi.partition() == p2.partition() | ||
| && _pi.leader().id() == p2.leader().id() && _pi.inSyncReplicas().length == p2.inSyncReplicas().length) { | ||
| Set<Integer> p2ISRSet = Arrays.stream(p2.inSyncReplicas()).map(isr -> isr.id()).collect(Collectors.toSet()); | ||
| if (Arrays.stream(_pi.inSyncReplicas()).allMatch(isr -> p2ISRSet.contains(isr.id()))) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| final int prime = 31; | ||
| int result = 1; | ||
| result = prime * result + ((_pi.topic() == null) ? 0 : _pi.topic().hashCode()); | ||
| result = prime * result + _pi.partition(); | ||
| result = prime * result + ((_pi.leader() == null) ? 0 : _pi.leader().id()); | ||
| for (Node n: _pi.inSyncReplicas()) { | ||
| result = prime * result + n.id(); | ||
| } | ||
| return result; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return _pi.toString(); | ||
| } | ||
| } |
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