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Fix ShardFollowNodeTask.Status equals and hash code #33189

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Merged
merged 4 commits into from
Aug 28, 2018
Merged

Fix ShardFollowNodeTask.Status equals and hash code #33189

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49475f4
Fix ShardFollowNodeTask.Status equals and hash code
jasontedor Aug 28, 2018
bb600a9
Require non-null
jasontedor Aug 28, 2018
89ddfb4
Merge branch 'ccr' into fix-status-equals-hash-code
jasontedor Aug 28, 2018
eb9d7b6
A little trickier!
jasontedor Aug 28, 2018
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26 changes: 22 additions & 4 deletions x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/action/ShardFollowNodeTask.java
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Original file line number Diff line number Diff line change
Expand Up @@ -687,7 +687,7 @@ public NavigableMap<Long, ElasticsearchException> fetchExceptions() {
this.numberOfSuccessfulBulkOperations = numberOfSuccessfulBulkOperations;
this.numberOfFailedBulkOperations = numberOfFailedBulkOperations;
this.numberOfOperationsIndexed = numberOfOperationsIndexed;
this.fetchExceptions = fetchExceptions;
this.fetchExceptions = Objects.requireNonNull(fetchExceptions);
}

public Status(final StreamInput in) throws IOException {
Expand Down Expand Up @@ -821,7 +821,15 @@ public boolean equals(final Object o) {
operationsReceived == that.operationsReceived &&
totalTransferredBytes == that.totalTransferredBytes &&
numberOfSuccessfulBulkOperations == that.numberOfSuccessfulBulkOperations &&
numberOfFailedBulkOperations == that.numberOfFailedBulkOperations;
numberOfFailedBulkOperations == that.numberOfFailedBulkOperations &&
numberOfOperationsIndexed == that.numberOfOperationsIndexed &&
/*
* ElasticsearchException does not implement equals so we will assume the fetch exceptions are equal if they are equal
* up to the key set and their messages. Note that we are relying on the fact that the fetch exceptions are ordered by
* keys.
*/
fetchExceptions.keySet().equals(that.fetchExceptions.keySet()) &&
getFetchExceptionMessages(this).equals(getFetchExceptionMessages(that));
}

@Override
Expand All @@ -843,8 +851,18 @@ public int hashCode() {
operationsReceived,
totalTransferredBytes,
numberOfSuccessfulBulkOperations,
numberOfFailedBulkOperations);

numberOfFailedBulkOperations,
numberOfOperationsIndexed,
/*
* ElasticsearchException does not implement hash code so we will compute the hash code based on the key set and the
* messages. Note that we are relying on the fact that the fetch exceptions are ordered by keys.
*/
fetchExceptions.keySet(),
getFetchExceptionMessages(this));
}

private static List<String> getFetchExceptionMessages(final Status status) {
return status.fetchExceptions().values().stream().map(ElasticsearchException::getMessage).collect(Collectors.toList());
}

public String toString() {
Expand Down