Please wait. This can take some minutes ...
Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.elasticsearch.xpack.core.ml.job.process.autodetect.state.ModelSnapshot Maven / Gradle / Ivy
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0; you may not use this file except in compliance with the Elastic License
* 2.0.
*/
package org.elasticsearch.xpack.core.ml.job.process.autodetect.state;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.Version;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.bytes.BytesReference;
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.LoggingDeprecationHandler;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.ObjectParser.ValueType;
import org.elasticsearch.common.xcontent.ToXContentObject;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.xpack.core.common.time.TimeUtils;
import org.elasticsearch.xpack.core.ml.job.config.Job;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Objects;
/**
* ModelSnapshot Result POJO
*/
public class ModelSnapshot implements ToXContentObject, Writeable {
/**
* Field Names
*/
public static final ParseField TIMESTAMP = new ParseField("timestamp");
public static final ParseField DESCRIPTION = new ParseField("description");
public static final ParseField SNAPSHOT_DOC_COUNT = new ParseField("snapshot_doc_count");
public static final ParseField LATEST_RECORD_TIME = new ParseField("latest_record_time_stamp");
public static final ParseField LATEST_RESULT_TIME = new ParseField("latest_result_time_stamp");
public static final ParseField QUANTILES = new ParseField("quantiles");
public static final ParseField RETAIN = new ParseField("retain");
public static final ParseField MIN_VERSION = new ParseField("min_version");
// Used for QueryPage
public static final ParseField RESULTS_FIELD = new ParseField("model_snapshots");
/**
* Legacy type, now used only as a discriminant in the document ID
*/
public static final ParseField TYPE = new ParseField("model_snapshot");
public static final ObjectParser STRICT_PARSER = createParser(false);
public static final ObjectParser LENIENT_PARSER = createParser(true);
private static ObjectParser createParser(boolean ignoreUnknownFields) {
ObjectParser parser = new ObjectParser<>(TYPE.getPreferredName(), ignoreUnknownFields, Builder::new);
parser.declareString(Builder::setJobId, Job.ID);
parser.declareString(Builder::setMinVersion, MIN_VERSION);
parser.declareField(Builder::setTimestamp,
p -> TimeUtils.parseTimeField(p, TIMESTAMP.getPreferredName()), TIMESTAMP, ValueType.VALUE);
parser.declareString(Builder::setDescription, DESCRIPTION);
parser.declareString(Builder::setSnapshotId, ModelSnapshotField.SNAPSHOT_ID);
parser.declareInt(Builder::setSnapshotDocCount, SNAPSHOT_DOC_COUNT);
parser.declareObject(Builder::setModelSizeStats, ignoreUnknownFields ? ModelSizeStats.LENIENT_PARSER : ModelSizeStats.STRICT_PARSER,
ModelSizeStats.RESULT_TYPE_FIELD);
parser.declareField(Builder::setLatestRecordTimeStamp,
p -> TimeUtils.parseTimeField(p, LATEST_RECORD_TIME.getPreferredName()), LATEST_RECORD_TIME, ValueType.VALUE);
parser.declareField(Builder::setLatestResultTimeStamp,
p -> TimeUtils.parseTimeField(p, LATEST_RESULT_TIME.getPreferredName()), LATEST_RESULT_TIME, ValueType.VALUE);
parser.declareObject(Builder::setQuantiles, ignoreUnknownFields ? Quantiles.LENIENT_PARSER : Quantiles.STRICT_PARSER, QUANTILES);
parser.declareBoolean(Builder::setRetain, RETAIN);
return parser;
}
public static String EMPTY_SNAPSHOT_ID = "empty";
private final String jobId;
/**
* The minimum version a node should have to be able
* to read this model snapshot.
*/
private final Version minVersion;
/**
* This is model snapshot's creation wall clock time.
* Use {@code latestResultTimeStamp} if you need model time instead.
*/
private final Date timestamp;
private final String description;
private final String snapshotId;
private final int snapshotDocCount;
private final ModelSizeStats modelSizeStats;
private final Date latestRecordTimeStamp;
private final Date latestResultTimeStamp;
private final Quantiles quantiles;
private final boolean retain;
private ModelSnapshot(String jobId, Version minVersion, Date timestamp, String description, String snapshotId, int snapshotDocCount,
ModelSizeStats modelSizeStats, Date latestRecordTimeStamp, Date latestResultTimeStamp, Quantiles quantiles,
boolean retain) {
this.jobId = jobId;
this.minVersion = minVersion;
this.timestamp = timestamp;
this.description = description;
this.snapshotId = snapshotId;
this.snapshotDocCount = snapshotDocCount;
this.modelSizeStats = modelSizeStats;
this.latestRecordTimeStamp = latestRecordTimeStamp;
this.latestResultTimeStamp = latestResultTimeStamp;
this.quantiles = quantiles;
this.retain = retain;
}
public ModelSnapshot(StreamInput in) throws IOException {
jobId = in.readString();
if (in.getVersion().onOrAfter(Version.V_7_0_0)) {
minVersion = Version.readVersion(in);
} else {
minVersion = Version.CURRENT.minimumCompatibilityVersion();
}
timestamp = in.readBoolean() ? new Date(in.readVLong()) : null;
description = in.readOptionalString();
snapshotId = in.readOptionalString();
snapshotDocCount = in.readInt();
modelSizeStats = in.readOptionalWriteable(ModelSizeStats::new);
latestRecordTimeStamp = in.readBoolean() ? new Date(in.readVLong()) : null;
latestResultTimeStamp = in.readBoolean() ? new Date(in.readVLong()) : null;
quantiles = in.readOptionalWriteable(Quantiles::new);
retain = in.readBoolean();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(jobId);
if (out.getVersion().onOrAfter(Version.V_7_0_0)) {
Version.writeVersion(minVersion, out);
}
if (timestamp != null) {
out.writeBoolean(true);
out.writeVLong(timestamp.getTime());
} else {
out.writeBoolean(false);
}
out.writeOptionalString(description);
out.writeOptionalString(snapshotId);
out.writeInt(snapshotDocCount);
out.writeOptionalWriteable(modelSizeStats);
if (latestRecordTimeStamp != null) {
out.writeBoolean(true);
out.writeVLong(latestRecordTimeStamp.getTime());
} else {
out.writeBoolean(false);
}
if (latestResultTimeStamp != null) {
out.writeBoolean(true);
out.writeVLong(latestResultTimeStamp.getTime());
} else {
out.writeBoolean(false);
}
out.writeOptionalWriteable(quantiles);
out.writeBoolean(retain);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject();
builder.field(Job.ID.getPreferredName(), jobId);
builder.field(MIN_VERSION.getPreferredName(), minVersion);
if (timestamp != null) {
builder.timeField(TIMESTAMP.getPreferredName(), TIMESTAMP.getPreferredName() + "_string", timestamp.getTime());
}
if (description != null) {
builder.field(DESCRIPTION.getPreferredName(), description);
}
if (snapshotId != null) {
builder.field(ModelSnapshotField.SNAPSHOT_ID.getPreferredName(), snapshotId);
}
builder.field(SNAPSHOT_DOC_COUNT.getPreferredName(), snapshotDocCount);
if (modelSizeStats != null) {
builder.field(ModelSizeStats.RESULT_TYPE_FIELD.getPreferredName(), modelSizeStats);
}
if (latestRecordTimeStamp != null) {
builder.timeField(LATEST_RECORD_TIME.getPreferredName(), LATEST_RECORD_TIME.getPreferredName() + "_string",
latestRecordTimeStamp.getTime());
}
if (latestResultTimeStamp != null) {
builder.timeField(LATEST_RESULT_TIME.getPreferredName(), LATEST_RESULT_TIME.getPreferredName() + "_string",
latestResultTimeStamp.getTime());
}
if (quantiles != null) {
builder.field(QUANTILES.getPreferredName(), quantiles);
}
builder.field(RETAIN.getPreferredName(), retain);
builder.endObject();
return builder;
}
public String getJobId() {
return jobId;
}
public Version getMinVersion() {
return minVersion;
}
public Date getTimestamp() {
return timestamp;
}
public String getDescription() {
return description;
}
public String getSnapshotId() {
return snapshotId;
}
public int getSnapshotDocCount() {
return snapshotDocCount;
}
public ModelSizeStats getModelSizeStats() {
return modelSizeStats;
}
public Quantiles getQuantiles() {
return quantiles;
}
public Date getLatestRecordTimeStamp() {
return latestRecordTimeStamp;
}
public Date getLatestResultTimeStamp() {
return latestResultTimeStamp;
}
public boolean isRetain() {
return retain;
}
@Override
public int hashCode() {
return Objects.hash(jobId, minVersion, timestamp, description, snapshotId, quantiles, snapshotDocCount, modelSizeStats,
latestRecordTimeStamp, latestResultTimeStamp, retain);
}
/**
* Compare all the fields.
*/
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (other instanceof ModelSnapshot == false) {
return false;
}
ModelSnapshot that = (ModelSnapshot) other;
return Objects.equals(this.jobId, that.jobId)
&& Objects.equals(this.minVersion, that.minVersion)
&& Objects.equals(this.timestamp, that.timestamp)
&& Objects.equals(this.description, that.description)
&& Objects.equals(this.snapshotId, that.snapshotId)
&& this.snapshotDocCount == that.snapshotDocCount
&& Objects.equals(this.modelSizeStats, that.modelSizeStats)
&& Objects.equals(this.quantiles, that.quantiles)
&& Objects.equals(this.latestRecordTimeStamp, that.latestRecordTimeStamp)
&& Objects.equals(this.latestResultTimeStamp, that.latestResultTimeStamp)
&& this.retain == that.retain;
}
public List stateDocumentIds() {
List stateDocumentIds = new ArrayList<>(snapshotDocCount);
// The state documents count suffices are 1-based
for (int i = 1; i <= snapshotDocCount; i++) {
stateDocumentIds.add(ModelState.documentId(jobId, snapshotId, i));
}
return stateDocumentIds;
}
public boolean isTheEmptySnapshot() {
return isTheEmptySnapshot(snapshotId);
}
public static boolean isTheEmptySnapshot(String snapshotId) {
return EMPTY_SNAPSHOT_ID.equals(snapshotId);
}
public static String documentIdPrefix(String jobId) {
return jobId + "_" + TYPE + "_";
}
public static String annotationDocumentId(ModelSnapshot snapshot) {
return "annotation_for_" + documentId(snapshot);
}
public static String documentId(ModelSnapshot snapshot) {
return documentId(snapshot.getJobId(), snapshot.getSnapshotId());
}
/**
* This is how the IDs were formed in v5.4
*/
public static String v54DocumentId(ModelSnapshot snapshot) {
return v54DocumentId(snapshot.getJobId(), snapshot.getSnapshotId());
}
public static String documentId(String jobId, String snapshotId) {
return documentIdPrefix(jobId) + snapshotId;
}
/**
* This is how the IDs were formed in v5.4
*/
public static String v54DocumentId(String jobId, String snapshotId) {
return jobId + "-" + snapshotId;
}
public static ModelSnapshot fromJson(BytesReference bytesReference) {
try (InputStream stream = bytesReference.streamInput();
XContentParser parser = XContentFactory.xContent(XContentType.JSON)
.createParser(NamedXContentRegistry.EMPTY, LoggingDeprecationHandler.INSTANCE, stream)) {
return LENIENT_PARSER.apply(parser, null).build();
} catch (IOException e) {
throw new ElasticsearchParseException("failed to parse modelSnapshot", e);
}
}
public static class Builder {
private String jobId;
// Stored snapshot documents created prior to 6.3.0 will have no
// value for min_version.
private Version minVersion = Version.V_6_3_0;
private Date timestamp;
private String description;
private String snapshotId;
private int snapshotDocCount;
private ModelSizeStats modelSizeStats;
private Date latestRecordTimeStamp;
private Date latestResultTimeStamp;
private Quantiles quantiles;
private boolean retain;
public Builder() {
}
public Builder(String jobId) {
this();
this.jobId = jobId;
}
public Builder(ModelSnapshot modelSnapshot) {
this.jobId = modelSnapshot.jobId;
this.timestamp = modelSnapshot.timestamp;
this.description = modelSnapshot.description;
this.snapshotId = modelSnapshot.snapshotId;
this.snapshotDocCount = modelSnapshot.snapshotDocCount;
this.modelSizeStats = modelSnapshot.modelSizeStats;
this.latestRecordTimeStamp = modelSnapshot.latestRecordTimeStamp;
this.latestResultTimeStamp = modelSnapshot.latestResultTimeStamp;
this.quantiles = modelSnapshot.quantiles;
this.retain = modelSnapshot.retain;
this.minVersion = modelSnapshot.minVersion;
}
public Builder setJobId(String jobId) {
this.jobId = jobId;
return this;
}
public Builder setMinVersion(Version minVersion) {
this.minVersion = minVersion;
return this;
}
public Builder setMinVersion(String minVersion) {
this.minVersion = Version.fromString(minVersion);
return this;
}
public Builder setTimestamp(Date timestamp) {
this.timestamp = timestamp;
return this;
}
public Builder setDescription(String description) {
this.description = description;
return this;
}
public Builder setSnapshotId(String snapshotId) {
this.snapshotId = snapshotId;
return this;
}
public Builder setSnapshotDocCount(int snapshotDocCount) {
this.snapshotDocCount = snapshotDocCount;
return this;
}
public Builder setModelSizeStats(ModelSizeStats.Builder modelSizeStats) {
this.modelSizeStats = modelSizeStats.build();
return this;
}
public Builder setModelSizeStats(ModelSizeStats modelSizeStats) {
this.modelSizeStats = modelSizeStats;
return this;
}
public Builder setLatestRecordTimeStamp(Date latestRecordTimeStamp) {
this.latestRecordTimeStamp = latestRecordTimeStamp;
return this;
}
public Builder setLatestResultTimeStamp(Date latestResultTimeStamp) {
this.latestResultTimeStamp = latestResultTimeStamp;
return this;
}
public Builder setQuantiles(Quantiles quantiles) {
this.quantiles = quantiles;
return this;
}
public Builder setRetain(boolean value) {
this.retain = value;
return this;
}
public ModelSnapshot build() {
return new ModelSnapshot(jobId, minVersion, timestamp, description, snapshotId, snapshotDocCount, modelSizeStats,
latestRecordTimeStamp, latestResultTimeStamp, quantiles, retain);
}
}
public static ModelSnapshot emptySnapshot(String jobId) {
return new ModelSnapshot(jobId, Version.CURRENT, new Date(), "empty snapshot", EMPTY_SNAPSHOT_ID, 0,
new ModelSizeStats.Builder(jobId).build(), null, null, null, false);
}
}