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Expose retention leases in shard stats #37991
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09c5efa
Expose retention leases in shard stats
jasontedor c78edb4
Fix formatting
jasontedor 7c78213
Remove debugging code
jasontedor bdfb2bc
Add a getter
jasontedor ad66152
Merge branch 'master' into retention-lease-stats
jasontedor e219371
Add tests
jasontedor 2429d7e
Rename field in output
jasontedor a06b86f
Missing newline
jasontedor 347d38b
Another missing newline
jasontedor 3635ee1
Fix imports
jasontedor 517d111
Tighter assertion
jasontedor 5c1c3d4
Use test infrastructure
jasontedor a948a95
Use single-node test case
jasontedor b064e7e
Fix imports
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124 changes: 124 additions & 0 deletions
124
server/src/main/java/org/elasticsearch/index/seqno/RetentionLeaseStats.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * Licensed to Elasticsearch under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch 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.elasticsearch.index.seqno; | ||
|
|
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| import org.elasticsearch.common.io.stream.StreamInput; | ||
| import org.elasticsearch.common.io.stream.StreamOutput; | ||
| import org.elasticsearch.common.io.stream.Writeable; | ||
| import org.elasticsearch.common.xcontent.ToXContentFragment; | ||
| import org.elasticsearch.common.xcontent.XContentBuilder; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.Collection; | ||
| import java.util.Objects; | ||
|
|
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| /** | ||
| * Represents retention lease stats. | ||
| */ | ||
| public final class RetentionLeaseStats implements ToXContentFragment, Writeable { | ||
|
|
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| private final Collection<RetentionLease> leases; | ||
|
|
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| /** | ||
| * The underlying retention leases backing this stats object. | ||
| * | ||
| * @return the leases | ||
| */ | ||
| public Collection<RetentionLease> leases() { | ||
| return leases; | ||
| } | ||
|
|
||
| /** | ||
| * Constructs a new retention lease stats object from the specified leases. | ||
| * | ||
| * @param leases the leases | ||
| */ | ||
| public RetentionLeaseStats(final Collection<RetentionLease> leases) { | ||
| this.leases = Objects.requireNonNull(leases); | ||
| } | ||
|
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| /** | ||
| * Constructs a new retention lease stats object from a stream. The retention lease stats should have been written via | ||
| * {@link #writeTo(StreamOutput)}. | ||
| * | ||
| * @param in the stream to construct the retention lease stats from | ||
| * @throws IOException if an I/O exception occurs reading from the stream | ||
| */ | ||
| public RetentionLeaseStats(final StreamInput in) throws IOException { | ||
| leases = in.readList(RetentionLease::new); | ||
| } | ||
|
|
||
| /** | ||
| * Writes a retention lease stats object to a stream in a manner suitable for later reconstruction via | ||
| * {@link #RetentionLeaseStats(StreamInput)} (StreamInput)}. | ||
| * | ||
| * @param out the stream to write the retention lease stats to | ||
| * @throws IOException if an I/O exception occurs writing to the stream | ||
| */ | ||
| @Override | ||
| public void writeTo(final StreamOutput out) throws IOException { | ||
| out.writeCollection(leases); | ||
| } | ||
|
|
||
| /** | ||
| * Converts the retention lease stats to {@link org.elasticsearch.common.xcontent.XContent} using the specified builder and pararms. | ||
| * | ||
| * @param builder the builder | ||
| * @param params the params | ||
| * @return the builder that these retention leases were converted to {@link org.elasticsearch.common.xcontent.XContent} into | ||
| * @throws IOException if an I/O exception occurs writing to the builder | ||
| */ | ||
| @Override | ||
| public XContentBuilder toXContent(final XContentBuilder builder, final Params params) throws IOException { | ||
| builder.startObject("retention_leases"); | ||
| { | ||
| builder.startArray("leases"); | ||
| { | ||
| for (final RetentionLease retentionLease : leases) { | ||
| builder.startObject(); | ||
| { | ||
| builder.field("id", retentionLease.id()); | ||
| builder.field("retaining_seq_no", retentionLease.retainingSequenceNumber()); | ||
| builder.field("timestamp", retentionLease.timestamp()); | ||
| builder.field("source", retentionLease.source()); | ||
| } | ||
| builder.endObject(); | ||
| } | ||
| } | ||
| builder.endArray(); | ||
| } | ||
| builder.endObject(); | ||
| return builder; | ||
| } | ||
|
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| final RetentionLeaseStats that = (RetentionLeaseStats) o; | ||
| return Objects.equals(leases, that.leases); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(leases); | ||
| } | ||
|
|
||
| } |
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