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Task cancellation monitoring service (opensearch-project#7642)
* Task cancellation monitoring service Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com> Signed-off-by: Rishab Nahata <rnnahata@amazon.com>
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server/src/main/java/org/opensearch/tasks/SearchShardTaskCancellationStats.java
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| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
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| package org.opensearch.tasks; | ||
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| import org.opensearch.common.io.stream.StreamInput; | ||
| import org.opensearch.common.io.stream.StreamOutput; | ||
| import org.opensearch.common.io.stream.Writeable; | ||
| import org.opensearch.core.xcontent.ToXContentObject; | ||
| import org.opensearch.core.xcontent.XContentBuilder; | ||
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| import java.io.IOException; | ||
| import java.util.Objects; | ||
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| /** | ||
| * Holds monitoring service stats specific to search shard task. | ||
| */ | ||
| public class SearchShardTaskCancellationStats implements ToXContentObject, Writeable { | ||
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| private final long currentLongRunningCancelledTaskCount; | ||
| private final long totalLongRunningCancelledTaskCount; | ||
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| public SearchShardTaskCancellationStats(long currentTaskCount, long totalTaskCount) { | ||
| this.currentLongRunningCancelledTaskCount = currentTaskCount; | ||
| this.totalLongRunningCancelledTaskCount = totalTaskCount; | ||
| } | ||
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| public SearchShardTaskCancellationStats(StreamInput in) throws IOException { | ||
| this.currentLongRunningCancelledTaskCount = in.readVLong(); | ||
| this.totalLongRunningCancelledTaskCount = in.readVLong(); | ||
| } | ||
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| // package private for testing | ||
| protected long getCurrentLongRunningCancelledTaskCount() { | ||
| return this.currentLongRunningCancelledTaskCount; | ||
| } | ||
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| // package private for testing | ||
| protected long getTotalLongRunningCancelledTaskCount() { | ||
| return this.totalLongRunningCancelledTaskCount; | ||
| } | ||
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| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException { | ||
| builder.startObject(); | ||
| builder.field("current_count_post_cancel", currentLongRunningCancelledTaskCount); | ||
| builder.field("total_count_post_cancel", totalLongRunningCancelledTaskCount); | ||
| return builder.endObject(); | ||
| } | ||
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeVLong(currentLongRunningCancelledTaskCount); | ||
| out.writeVLong(totalLongRunningCancelledTaskCount); | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| SearchShardTaskCancellationStats that = (SearchShardTaskCancellationStats) o; | ||
| return currentLongRunningCancelledTaskCount == that.currentLongRunningCancelledTaskCount | ||
| && totalLongRunningCancelledTaskCount == that.totalLongRunningCancelledTaskCount; | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(currentLongRunningCancelledTaskCount, totalLongRunningCancelledTaskCount); | ||
| } | ||
| } |
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