diff --git a/client/rest-high-level/src/main/java/org/elasticsearch/client/MLRequestConverters.java b/client/rest-high-level/src/main/java/org/elasticsearch/client/MLRequestConverters.java
index 2b6571272f1eb..e3fa747e9ed6f 100644
--- a/client/rest-high-level/src/main/java/org/elasticsearch/client/MLRequestConverters.java
+++ b/client/rest-high-level/src/main/java/org/elasticsearch/client/MLRequestConverters.java
@@ -58,6 +58,7 @@
import org.elasticsearch.client.ml.PutDatafeedRequest;
import org.elasticsearch.client.ml.PutFilterRequest;
import org.elasticsearch.client.ml.PutJobRequest;
+import org.elasticsearch.client.ml.RevertModelSnapshotRequest;
import org.elasticsearch.client.ml.StartDatafeedRequest;
import org.elasticsearch.client.ml.StopDatafeedRequest;
import org.elasticsearch.client.ml.UpdateDatafeedRequest;
@@ -409,6 +410,21 @@ static Request updateModelSnapshot(UpdateModelSnapshotRequest updateModelSnapsho
return request;
}
+ static Request revertModelSnapshot(RevertModelSnapshotRequest revertModelSnapshotsRequest) throws IOException {
+ String endpoint = new EndpointBuilder()
+ .addPathPartAsIs("_xpack")
+ .addPathPartAsIs("ml")
+ .addPathPartAsIs("anomaly_detectors")
+ .addPathPart(revertModelSnapshotsRequest.getJobId())
+ .addPathPartAsIs("model_snapshots")
+ .addPathPart(revertModelSnapshotsRequest.getSnapshotId())
+ .addPathPart("_revert")
+ .build();
+ Request request = new Request(HttpPost.METHOD_NAME, endpoint);
+ request.setEntity(createEntity(revertModelSnapshotsRequest, REQUEST_BODY_CONTENT_TYPE));
+ return request;
+ }
+
static Request getOverallBuckets(GetOverallBucketsRequest getOverallBucketsRequest) throws IOException {
String endpoint = new EndpointBuilder()
.addPathPartAsIs("_xpack")
diff --git a/client/rest-high-level/src/main/java/org/elasticsearch/client/MachineLearningClient.java b/client/rest-high-level/src/main/java/org/elasticsearch/client/MachineLearningClient.java
index 817f22fb4ce3e..a17791a751056 100644
--- a/client/rest-high-level/src/main/java/org/elasticsearch/client/MachineLearningClient.java
+++ b/client/rest-high-level/src/main/java/org/elasticsearch/client/MachineLearningClient.java
@@ -75,6 +75,8 @@
import org.elasticsearch.client.ml.PutFilterResponse;
import org.elasticsearch.client.ml.PutJobRequest;
import org.elasticsearch.client.ml.PutJobResponse;
+import org.elasticsearch.client.ml.RevertModelSnapshotRequest;
+import org.elasticsearch.client.ml.RevertModelSnapshotResponse;
import org.elasticsearch.client.ml.StartDatafeedRequest;
import org.elasticsearch.client.ml.StartDatafeedResponse;
import org.elasticsearch.client.ml.StopDatafeedRequest;
@@ -513,6 +515,47 @@ public void deleteModelSnapshotAsync(DeleteModelSnapshotRequest request, Request
Collections.emptySet());
}
+ /**
+ * Reverts to a particular Machine Learning Model Snapshot
+ *
+ * For additional info
+ * see
+ * ML Revert Model Snapshot documentation
+ *
+ * @param request The request to revert to a previous model snapshot
+ * @param options Additional request options (e.g. headers), use {@link RequestOptions#DEFAULT} if nothing needs to be customized
+ * @return action acknowledgement
+ * @throws IOException when there is a serialization issue sending the request or receiving the response
+ */
+ public RevertModelSnapshotResponse revertModelSnapshot(RevertModelSnapshotRequest request, RequestOptions options) throws IOException {
+ return restHighLevelClient.performRequestAndParseEntity(request,
+ MLRequestConverters::revertModelSnapshot,
+ options,
+ RevertModelSnapshotResponse::fromXContent,
+ Collections.emptySet());
+ }
+
+ /**
+ * Reverts to a particular Machine Learning Model Snapshot asynchronously and notifies the listener on completion
+ *
+ * For additional info
+ * see
+ * ML Revert Model Snapshot documentation
+ *
+ * @param request The request to revert to a previous model snapshot
+ * @param options Additional request options (e.g. headers), use {@link RequestOptions#DEFAULT} if nothing needs to be customized
+ * @param listener Listener to be notified upon request completion
+ */
+ public void revertModelSnapshotAsync(RevertModelSnapshotRequest request, RequestOptions options,
+ ActionListener listener) {
+ restHighLevelClient.performRequestAsyncAndParseEntity(request,
+ MLRequestConverters::revertModelSnapshot,
+ options,
+ RevertModelSnapshotResponse::fromXContent,
+ listener,
+ Collections.emptySet());
+ }
+
/**
* Creates a new Machine Learning Datafeed
*
diff --git a/client/rest-high-level/src/main/java/org/elasticsearch/client/ml/RevertModelSnapshotRequest.java b/client/rest-high-level/src/main/java/org/elasticsearch/client/ml/RevertModelSnapshotRequest.java
new file mode 100644
index 0000000000000..3a38cd86a0565
--- /dev/null
+++ b/client/rest-high-level/src/main/java/org/elasticsearch/client/ml/RevertModelSnapshotRequest.java
@@ -0,0 +1,120 @@
+/*
+ * 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.client.ml;
+
+import org.elasticsearch.action.ActionRequest;
+import org.elasticsearch.action.ActionRequestValidationException;
+import org.elasticsearch.client.ml.job.config.Job;
+import org.elasticsearch.client.ml.job.process.ModelSnapshot;
+import org.elasticsearch.common.ParseField;
+import org.elasticsearch.common.xcontent.ConstructingObjectParser;
+import org.elasticsearch.common.xcontent.ToXContentObject;
+import org.elasticsearch.common.xcontent.XContentBuilder;
+
+import java.io.IOException;
+import java.util.Objects;
+
+/**
+ * A request to revert to a specific model snapshot for a given job
+ */
+public class RevertModelSnapshotRequest extends ActionRequest implements ToXContentObject {
+
+
+ public static final ParseField DELETE_INTERVENING = new ParseField("delete_intervening_results");
+
+ public static final ConstructingObjectParser PARSER = new ConstructingObjectParser<>(
+ "revert_model_snapshots_request", a -> new RevertModelSnapshotRequest((String) a[0], (String) a[1]));
+
+
+ static {
+ PARSER.declareString(ConstructingObjectParser.constructorArg(), Job.ID);
+ PARSER.declareString(ConstructingObjectParser.constructorArg(), ModelSnapshot.SNAPSHOT_ID);
+ PARSER.declareBoolean(RevertModelSnapshotRequest::setDeleteInterveningResults, DELETE_INTERVENING);
+ }
+
+ private final String jobId;
+ private final String snapshotId;
+ private Boolean deleteInterveningResults;
+
+ /**
+ * Constructs a request to revert to a given model snapshot
+ * @param jobId id of the job for which to revert the model snapshot
+ * @param snapshotId id of the snapshot to which to revert
+ */
+ public RevertModelSnapshotRequest(String jobId, String snapshotId) {
+ this.jobId = Objects.requireNonNull(jobId, "[" + Job.ID + "] must not be null");
+ this.snapshotId = Objects.requireNonNull(snapshotId, "[" + ModelSnapshot.SNAPSHOT_ID + "] must not be null");
+ }
+
+ public String getJobId() {
+ return jobId;
+ }
+
+ public String getSnapshotId() {
+ return snapshotId;
+ }
+
+ public Boolean getDeleteInterveningResults() {
+ return deleteInterveningResults;
+ }
+
+ /**
+ * Sets the request flag that indicates whether or not intervening results should be deleted.
+ * @param deleteInterveningResults Flag that indicates whether or not intervening results should be deleted.
+ */
+ public void setDeleteInterveningResults(Boolean deleteInterveningResults) {
+ this.deleteInterveningResults = deleteInterveningResults;
+ }
+
+ @Override
+ public ActionRequestValidationException validate() {
+ return null;
+ }
+
+ @Override
+ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
+ builder.startObject();
+ builder.field(Job.ID.getPreferredName(), jobId);
+ builder.field(ModelSnapshot.SNAPSHOT_ID.getPreferredName(), snapshotId);
+ if (deleteInterveningResults != null) {
+ builder.field(DELETE_INTERVENING.getPreferredName(), deleteInterveningResults);
+ }
+ builder.endObject();
+ return builder;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+ RevertModelSnapshotRequest request = (RevertModelSnapshotRequest) obj;
+ return Objects.equals(jobId, request.jobId)
+ && Objects.equals(snapshotId, request.snapshotId)
+ && Objects.equals(deleteInterveningResults, request.deleteInterveningResults);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(jobId, snapshotId, deleteInterveningResults);
+ }
+}
diff --git a/client/rest-high-level/src/main/java/org/elasticsearch/client/ml/RevertModelSnapshotResponse.java b/client/rest-high-level/src/main/java/org/elasticsearch/client/ml/RevertModelSnapshotResponse.java
new file mode 100644
index 0000000000000..575f38043b3c8
--- /dev/null
+++ b/client/rest-high-level/src/main/java/org/elasticsearch/client/ml/RevertModelSnapshotResponse.java
@@ -0,0 +1,92 @@
+/*
+ * 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.client.ml;
+
+import org.elasticsearch.action.ActionResponse;
+import org.elasticsearch.client.ml.job.process.ModelSnapshot;
+import org.elasticsearch.common.ParseField;
+import org.elasticsearch.common.xcontent.ConstructingObjectParser;
+import org.elasticsearch.common.xcontent.ToXContentObject;
+import org.elasticsearch.common.xcontent.XContentBuilder;
+import org.elasticsearch.common.xcontent.XContentParser;
+
+import java.io.IOException;
+
+import java.util.Objects;
+
+/**
+ * A response containing the reverted model snapshot
+ */
+public class RevertModelSnapshotResponse extends ActionResponse implements ToXContentObject {
+
+ private static final ParseField MODEL = new ParseField("model");
+
+ public static final ConstructingObjectParser PARSER =
+ new ConstructingObjectParser<>("revert_model_snapshot_response", true,
+ a -> new RevertModelSnapshotResponse((ModelSnapshot.Builder) a[0]));
+
+ static {
+ PARSER.declareObject(ConstructingObjectParser.constructorArg(), ModelSnapshot.PARSER, MODEL);
+ }
+
+ public static RevertModelSnapshotResponse fromXContent(XContentParser parser) throws IOException {
+ return PARSER.parse(parser, null);
+ }
+
+ public RevertModelSnapshotResponse(ModelSnapshot.Builder modelSnapshot) {
+ this.model = modelSnapshot.build();
+ }
+
+ private final ModelSnapshot model;
+
+ /**
+ * Get full information about the reverted model snapshot
+ * @return the reverted model snapshot.
+ */
+ public ModelSnapshot getModel() {
+ return model;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(model);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+ RevertModelSnapshotResponse other = (RevertModelSnapshotResponse) obj;
+ return Objects.equals(model, other.model);
+ }
+
+ @Override
+ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
+ builder.startObject();
+ if (model != null) {
+ builder.field(MODEL.getPreferredName(), model);
+ }
+ builder.endObject();
+ return builder;
+ }
+}
diff --git a/client/rest-high-level/src/test/java/org/elasticsearch/client/MLRequestConvertersTests.java b/client/rest-high-level/src/test/java/org/elasticsearch/client/MLRequestConvertersTests.java
index f741aef511f98..112a1d1ac82f0 100644
--- a/client/rest-high-level/src/test/java/org/elasticsearch/client/MLRequestConvertersTests.java
+++ b/client/rest-high-level/src/test/java/org/elasticsearch/client/MLRequestConvertersTests.java
@@ -54,6 +54,7 @@
import org.elasticsearch.client.ml.PutDatafeedRequest;
import org.elasticsearch.client.ml.PutFilterRequest;
import org.elasticsearch.client.ml.PutJobRequest;
+import org.elasticsearch.client.ml.RevertModelSnapshotRequest;
import org.elasticsearch.client.ml.StartDatafeedRequest;
import org.elasticsearch.client.ml.StartDatafeedRequestTests;
import org.elasticsearch.client.ml.StopDatafeedRequest;
@@ -445,6 +446,24 @@ public void testUpdateModelSnapshot() throws IOException {
}
}
+ public void testRevertModelSnapshot() throws IOException {
+ String jobId = randomAlphaOfLength(10);
+ String snapshotId = randomAlphaOfLength(10);
+ RevertModelSnapshotRequest revertModelSnapshotRequest = new RevertModelSnapshotRequest(jobId, snapshotId);
+ if (randomBoolean()) {
+ revertModelSnapshotRequest.setDeleteInterveningResults(randomBoolean());
+ }
+
+ Request request = MLRequestConverters.revertModelSnapshot(revertModelSnapshotRequest);
+ assertEquals(HttpPost.METHOD_NAME, request.getMethod());
+ assertEquals("/_xpack/ml/anomaly_detectors/" + jobId + "/model_snapshots/" + snapshotId + "/_revert",
+ request.getEndpoint());
+ try (XContentParser parser = createParser(JsonXContent.jsonXContent, request.getEntity().getContent())) {
+ RevertModelSnapshotRequest parsedRequest = RevertModelSnapshotRequest.PARSER.apply(parser, null);
+ assertThat(parsedRequest, equalTo(revertModelSnapshotRequest));
+ }
+ }
+
public void testGetOverallBuckets() throws IOException {
String jobId = randomAlphaOfLength(10);
GetOverallBucketsRequest getOverallBucketsRequest = new GetOverallBucketsRequest(jobId);
diff --git a/client/rest-high-level/src/test/java/org/elasticsearch/client/MachineLearningIT.java b/client/rest-high-level/src/test/java/org/elasticsearch/client/MachineLearningIT.java
index d2def3ec68e31..dca9914412e18 100644
--- a/client/rest-high-level/src/test/java/org/elasticsearch/client/MachineLearningIT.java
+++ b/client/rest-high-level/src/test/java/org/elasticsearch/client/MachineLearningIT.java
@@ -72,6 +72,8 @@
import org.elasticsearch.client.ml.PutFilterResponse;
import org.elasticsearch.client.ml.PutJobRequest;
import org.elasticsearch.client.ml.PutJobResponse;
+import org.elasticsearch.client.ml.RevertModelSnapshotRequest;
+import org.elasticsearch.client.ml.RevertModelSnapshotResponse;
import org.elasticsearch.client.ml.StartDatafeedRequest;
import org.elasticsearch.client.ml.StartDatafeedResponse;
import org.elasticsearch.client.ml.StopDatafeedRequest;
@@ -96,6 +98,7 @@
import org.elasticsearch.client.ml.job.config.JobState;
import org.elasticsearch.client.ml.job.config.JobUpdate;
import org.elasticsearch.client.ml.job.config.MlFilter;
+import org.elasticsearch.client.ml.job.process.ModelSnapshot;
import org.elasticsearch.client.ml.job.stats.JobStats;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.XContentType;
@@ -1115,6 +1118,28 @@ public void createModelSnapshot(String jobId, String snapshotId) throws IOExcept
highLevelClient().index(indexRequest, RequestOptions.DEFAULT);
}
+ public void createModelSnapshots(String jobId, List snapshotIds) throws IOException {
+ Job job = MachineLearningIT.buildJob(jobId);
+ highLevelClient().machineLearning().putJob(new PutJobRequest(job), RequestOptions.DEFAULT);
+
+ for(String snapshotId : snapshotIds) {
+ String documentId = jobId + "_model_snapshot_" + snapshotId;
+ IndexRequest indexRequest = new IndexRequest(".ml-anomalies-shared", "doc", documentId);
+ indexRequest.setRefreshPolicy(WriteRequest.RefreshPolicy.IMMEDIATE);
+ indexRequest.source("{\"job_id\":\"" + jobId + "\", \"timestamp\":1541587919000, " +
+ "\"description\":\"State persisted due to job close at 2018-11-07T10:51:59+0000\", " +
+ "\"snapshot_id\":\"" + snapshotId + "\", \"snapshot_doc_count\":1, \"model_size_stats\":{" +
+ "\"job_id\":\"" + jobId + "\", \"result_type\":\"model_size_stats\",\"model_bytes\":51722, " +
+ "\"total_by_field_count\":3, \"total_over_field_count\":0, \"total_partition_field_count\":2," +
+ "\"bucket_allocation_failures_count\":0, \"memory_status\":\"ok\", \"log_time\":1541587919000, " +
+ "\"timestamp\":1519930800000}, \"latest_record_time_stamp\":1519931700000," +
+ "\"latest_result_time_stamp\":1519930800000, \"retain\":false, " +
+ "\"quantiles\":{\"job_id\":\""+jobId+"\", \"timestamp\":1541587919000, " +
+ "\"quantile_state\":\"state\"}}", XContentType.JSON);
+ highLevelClient().index(indexRequest, RequestOptions.DEFAULT);
+ }
+ }
+
public void testDeleteModelSnapshot() throws IOException {
String jobId = "test-delete-model-snapshot";
String snapshotId = "1541587919";
@@ -1166,4 +1191,36 @@ public void testUpdateModelSnapshot() throws Exception {
assertEquals("Updated description",
getModelSnapshotsResponse2.snapshots().get(0).getDescription());
}
+
+ public void testRevertModelSnapshot() throws IOException {
+ String jobId = "test-revert-model-snapshot";
+
+ List snapshotIds = new ArrayList<>();
+
+ String snapshotId1 = "1541587919";
+ String snapshotId2 = "1541588919";
+ String snapshotId3 = "1541589919";
+
+ snapshotIds.add(snapshotId1);
+ snapshotIds.add(snapshotId2);
+ snapshotIds.add(snapshotId3);
+
+ createModelSnapshots(jobId, snapshotIds);
+
+ MachineLearningClient machineLearningClient = highLevelClient().machineLearning();
+
+ for (String snapshotId : snapshotIds){
+ RevertModelSnapshotRequest request = new RevertModelSnapshotRequest(jobId, snapshotId);
+ if (randomBoolean()) {
+ request.setDeleteInterveningResults(randomBoolean());
+ }
+
+ RevertModelSnapshotResponse response = execute(request, machineLearningClient::revertModelSnapshot,
+ machineLearningClient::revertModelSnapshotAsync);
+
+ ModelSnapshot model = response.getModel();
+
+ assertEquals(snapshotId, model.getSnapshotId());
+ }
+ }
}
diff --git a/client/rest-high-level/src/test/java/org/elasticsearch/client/documentation/MlClientDocumentationIT.java b/client/rest-high-level/src/test/java/org/elasticsearch/client/documentation/MlClientDocumentationIT.java
index 82f1f6d176ac4..12c0035672a53 100644
--- a/client/rest-high-level/src/test/java/org/elasticsearch/client/documentation/MlClientDocumentationIT.java
+++ b/client/rest-high-level/src/test/java/org/elasticsearch/client/documentation/MlClientDocumentationIT.java
@@ -88,6 +88,8 @@
import org.elasticsearch.client.ml.PutFilterResponse;
import org.elasticsearch.client.ml.PutJobRequest;
import org.elasticsearch.client.ml.PutJobResponse;
+import org.elasticsearch.client.ml.RevertModelSnapshotRequest;
+import org.elasticsearch.client.ml.RevertModelSnapshotResponse;
import org.elasticsearch.client.ml.StartDatafeedRequest;
import org.elasticsearch.client.ml.StartDatafeedResponse;
import org.elasticsearch.client.ml.StopDatafeedRequest;
@@ -2049,6 +2051,82 @@ public void onFailure(Exception e) {
}
}
+ public void testRevertModelSnapshot() throws IOException, InterruptedException {
+ RestHighLevelClient client = highLevelClient();
+
+ String jobId = "test-revert-model-snapshot";
+ String snapshotId = "1541587919";
+ Job job = MachineLearningIT.buildJob(jobId);
+ client.machineLearning().putJob(new PutJobRequest(job), RequestOptions.DEFAULT);
+
+ // Let us index a snapshot
+ String documentId = jobId + "_model_snapshot_" + snapshotId;
+ IndexRequest indexRequest = new IndexRequest(".ml-anomalies-shared", "doc", documentId);
+ indexRequest.setRefreshPolicy(WriteRequest.RefreshPolicy.IMMEDIATE);
+ indexRequest.source("{\"job_id\":\"test-revert-model-snapshot\", \"timestamp\":1541587919000, " +
+ "\"description\":\"State persisted due to job close at 2018-11-07T10:51:59+0000\", " +
+ "\"snapshot_id\":\"1541587919\", \"snapshot_doc_count\":1, \"model_size_stats\":{" +
+ "\"job_id\":\"test-revert-model-snapshot\", \"result_type\":\"model_size_stats\",\"model_bytes\":51722, " +
+ "\"total_by_field_count\":3, \"total_over_field_count\":0, \"total_partition_field_count\":2," +
+ "\"bucket_allocation_failures_count\":0, \"memory_status\":\"ok\", \"log_time\":1541587919000, " +
+ "\"timestamp\":1519930800000}, \"latest_record_time_stamp\":1519931700000," +
+ "\"latest_result_time_stamp\":1519930800000, \"retain\":false, " +
+ "\"quantiles\":{\"job_id\":\"test-revert-model-snapshot\", \"timestamp\":1541587919000, " +
+ "\"quantile_state\":\"state\"}}", XContentType.JSON);
+ client.index(indexRequest, RequestOptions.DEFAULT);
+
+ {
+ // tag::revert-model-snapshot-request
+ RevertModelSnapshotRequest request = new RevertModelSnapshotRequest(jobId, snapshotId); // <1>
+ // end::revert-model-snapshot-request
+
+ // tag::revert-model-snapshot-delete-intervening-results
+ request.setDeleteInterveningResults(true); // <1>
+ // end::revert-model-snapshot-delete-intervening-results
+
+ // tag::revert-model-snapshot-execute
+ RevertModelSnapshotResponse response = client.machineLearning().revertModelSnapshot(request, RequestOptions.DEFAULT);
+ // end::revert-model-snapshot-execute
+
+ // tag::revert-model-snapshot-response
+ ModelSnapshot modelSnapshot = response.getModel(); // <1>
+ // end::revert-model-snapshot-response
+
+ assertEquals(snapshotId, modelSnapshot.getSnapshotId());
+ assertEquals("State persisted due to job close at 2018-11-07T10:51:59+0000", modelSnapshot.getDescription());
+ assertEquals(51722, modelSnapshot.getModelSizeStats().getModelBytes());
+ }
+ {
+ RevertModelSnapshotRequest request = new RevertModelSnapshotRequest(jobId, snapshotId);
+
+ // tag::revert-model-snapshot-execute-listener
+ ActionListener listener =
+ new ActionListener() {
+ @Override
+ public void onResponse(RevertModelSnapshotResponse revertModelSnapshotResponse) {
+ // <1>
+ }
+
+ @Override
+ public void onFailure(Exception e) {
+ // <2>
+ }
+ };
+ // end::revert-model-snapshot-execute-listener
+
+ // Replace the empty listener by a blocking listener in test
+ final CountDownLatch latch = new CountDownLatch(1);
+ listener = new LatchedActionListener<>(listener, latch);
+
+ // tag::revert-model-snapshot-execute-async
+ client.machineLearning().revertModelSnapshotAsync(request, RequestOptions.DEFAULT, listener); // <1>
+ // end::revert-model-snapshot-execute-async
+
+ assertTrue(latch.await(30L, TimeUnit.SECONDS));
+ }
+ }
+
+
public void testUpdateModelSnapshot() throws IOException, InterruptedException {
RestHighLevelClient client = highLevelClient();
diff --git a/client/rest-high-level/src/test/java/org/elasticsearch/client/ml/RevertModelSnapshotRequestTests.java b/client/rest-high-level/src/test/java/org/elasticsearch/client/ml/RevertModelSnapshotRequestTests.java
new file mode 100644
index 0000000000000..5a9581df8f700
--- /dev/null
+++ b/client/rest-high-level/src/test/java/org/elasticsearch/client/ml/RevertModelSnapshotRequestTests.java
@@ -0,0 +1,50 @@
+/*
+ * 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.client.ml;
+
+import org.elasticsearch.common.xcontent.XContentParser;
+import org.elasticsearch.test.AbstractXContentTestCase;
+
+import java.io.IOException;
+
+
+public class RevertModelSnapshotRequestTests extends AbstractXContentTestCase {
+
+ @Override
+ protected RevertModelSnapshotRequest createTestInstance() {
+ String jobId = randomAlphaOfLengthBetween(1, 20);
+ String snapshotId = randomAlphaOfLengthBetween(1, 20);
+ RevertModelSnapshotRequest request = new RevertModelSnapshotRequest(jobId, snapshotId);
+ if (randomBoolean()) {
+ request.setDeleteInterveningResults(randomBoolean());
+ }
+
+ return request;
+ }
+
+ @Override
+ protected RevertModelSnapshotRequest doParseInstance(XContentParser parser) throws IOException {
+ return RevertModelSnapshotRequest.PARSER.apply(parser, null);
+ }
+
+ @Override
+ protected boolean supportsUnknownFields() {
+ return false;
+ }
+}
diff --git a/client/rest-high-level/src/test/java/org/elasticsearch/client/ml/RevertModelSnapshotResponseTests.java b/client/rest-high-level/src/test/java/org/elasticsearch/client/ml/RevertModelSnapshotResponseTests.java
new file mode 100644
index 0000000000000..9d46c51566b7e
--- /dev/null
+++ b/client/rest-high-level/src/test/java/org/elasticsearch/client/ml/RevertModelSnapshotResponseTests.java
@@ -0,0 +1,46 @@
+/*
+ * 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.client.ml;
+
+import org.elasticsearch.client.ml.job.process.ModelSnapshot;
+import org.elasticsearch.client.ml.job.process.ModelSnapshotTests;
+import org.elasticsearch.common.xcontent.XContentParser;
+import org.elasticsearch.test.AbstractXContentTestCase;
+
+import java.io.IOException;
+
+
+public class RevertModelSnapshotResponseTests extends AbstractXContentTestCase {
+
+ @Override
+ protected RevertModelSnapshotResponse createTestInstance() {
+ ModelSnapshot.Builder modelBuilder = ModelSnapshotTests.createRandomizedBuilder();
+ return new RevertModelSnapshotResponse(modelBuilder);
+ }
+
+ @Override
+ protected RevertModelSnapshotResponse doParseInstance(XContentParser parser) throws IOException {
+ return RevertModelSnapshotResponse.fromXContent(parser);
+ }
+
+ @Override
+ protected boolean supportsUnknownFields() {
+ return true;
+ }
+}
diff --git a/docs/java-rest/high-level/ml/revert-model-snapshot.asciidoc b/docs/java-rest/high-level/ml/revert-model-snapshot.asciidoc
new file mode 100644
index 0000000000000..7c45ce8ebf0a0
--- /dev/null
+++ b/docs/java-rest/high-level/ml/revert-model-snapshot.asciidoc
@@ -0,0 +1,46 @@
+--
+:api: revert-model-snapshot
+:request: RevertModelSnapshotRequest
+:response: RevertModelSnapshotResponse
+--
+[id="{upid}-{api}"]
+=== Revert Model Snapshot API
+
+The Revert Model Snapshot API provides the ability to revert to a previous {ml} model snapshot.
+It accepts a +{request}+ object and responds
+with a +{response}+ object.
+
+[id="{upid}-{api}-request"]
+==== Revert Model Snapshot Request
+
+A +{request}+ requires the following arguments:
+
+["source","java",subs="attributes,callouts,macros"]
+--------------------------------------------------
+include-tagged::{doc-tests-file}[{api}-request]
+--------------------------------------------------
+<1> Constructing a new request referencing existing `jobId` and `snapshotId` values.
+
+==== Optional Arguments
+
+The following arguments are optional:
+
+["source","java",subs="attributes,callouts,macros"]
+--------------------------------------------------
+include-tagged::{doc-tests-file}[{api}-delete-intervening-results]
+--------------------------------------------------
+<1> A flag indicating whether or not results in the period between the timestamp on the reverted snapshot and the latest results should be deleted
+
+
+include::../execution.asciidoc[]
+
+[id="{upid}-{api}-response"]
+==== Revert Job Response
+
+A +{response}+ contains the full representation of the reverted `ModelSnapshot`.
+
+["source","java",subs="attributes,callouts,macros"]
+--------------------------------------------------
+include-tagged::{doc-tests-file}[{api}-response]
+--------------------------------------------------
+<1> The reverted `ModelSnapshot`
diff --git a/docs/java-rest/high-level/supported-apis.asciidoc b/docs/java-rest/high-level/supported-apis.asciidoc
index c7420ee9b6eba..c54981d97c8dd 100644
--- a/docs/java-rest/high-level/supported-apis.asciidoc
+++ b/docs/java-rest/high-level/supported-apis.asciidoc
@@ -272,10 +272,11 @@ The Java High Level REST Client supports the following Machine Learning APIs:
* <<{upid}-delete-calendar>>
* <<{upid}-put-filter>>
* <<{upid}-get-filters>>
-* <<{upid}-delete-model-snapshot>>
* <<{upid}-update-filter>>
* <<{upid}-delete-filter>>
* <<{upid}-get-model-snapshots>>
+* <<{upid}-delete-model-snapshot>>
+* <<{upid}-revert-model-snapshot>>
* <<{upid}-update-model-snapshot>>
include::ml/put-job.asciidoc[]
@@ -309,11 +310,12 @@ include::ml/put-calendar-job.asciidoc[]
include::ml/delete-calendar-job.asciidoc[]
include::ml/delete-calendar.asciidoc[]
include::ml/put-filter.asciidoc[]
-include::ml/get-model-snapshots.asciidoc[]
include::ml/get-filters.asciidoc[]
-include::ml/delete-model-snapshot.asciidoc[]
include::ml/update-filter.asciidoc[]
include::ml/delete-filter.asciidoc[]
+include::ml/get-model-snapshots.asciidoc[]
+include::ml/delete-model-snapshot.asciidoc[]
+include::ml/revert-model-snapshot.asciidoc[]
include::ml/update-model-snapshot.asciidoc[]
== Migration APIs