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Elasticsearch Expanded Pack Plugin - Core
/*
* 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.watcher.transport.actions;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.action.ActionType;
import org.elasticsearch.common.ParseField;
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.ConstructingObjectParser;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.ToXContentFragment;
import org.elasticsearch.common.xcontent.ToXContentObject;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.XContentParser.Token;
import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.search.searchafter.SearchAfterBuilder;
import org.elasticsearch.search.sort.FieldSortBuilder;
import org.elasticsearch.xpack.core.watcher.support.xcontent.XContentSource;
import org.elasticsearch.xpack.core.watcher.watch.WatchStatus;
import java.io.IOException;
import java.util.List;
import java.util.Objects;
import static org.elasticsearch.common.xcontent.ConstructingObjectParser.optionalConstructorArg;
import static org.elasticsearch.index.query.AbstractQueryBuilder.parseInnerQueryBuilder;
public class QueryWatchesAction extends ActionType {
public static final QueryWatchesAction INSTANCE = new QueryWatchesAction();
public static final String NAME = "cluster:monitor/xpack/watcher/watch/query";
private QueryWatchesAction() {
super(NAME, Response::new);
}
public static class Request extends ActionRequest implements ToXContentObject {
public static final ParseField FROM_FIELD = new ParseField("from");
public static final ParseField SIZE_FIELD = new ParseField("size");
public static final ParseField QUERY_FIELD = new ParseField("query");
public static final ParseField SORT_FIELD = new ParseField("sort");
public static final ParseField SEARCH_AFTER_FIELD = new ParseField("search_after");
@SuppressWarnings("unchecked")
private static final ConstructingObjectParser PARSER = new ConstructingObjectParser<>(
"query_watches_request",
true,
(args, c) -> {
Integer from = (Integer) args[0];
Integer size = (Integer) args[1];
QueryBuilder query = (QueryBuilder) args[2];
List sort = (List) args[3];
SearchAfterBuilder searchAfter = (SearchAfterBuilder) args[4];
return new Request(from, size, query, sort, searchAfter);
}
);
static {
PARSER.declareInt(optionalConstructorArg(), FROM_FIELD);
PARSER.declareInt(optionalConstructorArg(), SIZE_FIELD);
PARSER.declareObject(optionalConstructorArg(), (p, c) -> parseInnerQueryBuilder(p), QUERY_FIELD);
PARSER.declareObjectArray(optionalConstructorArg(), (p, c) -> {
String fieldName = null;
FieldSortBuilder result = null;
for (Token token = p.nextToken(); token != Token.END_OBJECT; token = p.nextToken()) {
if (token == Token.FIELD_NAME) {
fieldName = p.currentName();
} else {
result = FieldSortBuilder.fromXContent(p, fieldName);
}
}
return result;
}, SORT_FIELD);
PARSER.declareField(optionalConstructorArg(), (p, c) -> SearchAfterBuilder.fromXContent(p), SEARCH_AFTER_FIELD,
ObjectParser.ValueType.VALUE_ARRAY);
}
public static Request fromXContent(XContentParser parser) throws IOException {
return PARSER.parse(parser, null);
}
private final Integer from;
private final Integer size;
private final QueryBuilder query;
private final List sorts;
private final SearchAfterBuilder searchAfter;
public Request(StreamInput in) throws IOException {
super(in);
from = in.readOptionalVInt();
size = in.readOptionalVInt();
query = in.readOptionalNamedWriteable(QueryBuilder.class);
if (in.readBoolean()) {
sorts = in.readList(FieldSortBuilder::new);
} else {
sorts = null;
}
searchAfter = in.readOptionalWriteable(SearchAfterBuilder::new);
}
public Request(Integer from,
Integer size,
QueryBuilder query,
List sorts,
SearchAfterBuilder searchAfter) {
this.from = from;
this.size = size;
this.query = query;
this.sorts = sorts;
this.searchAfter = searchAfter;
}
public Integer getFrom() {
return from;
}
public Integer getSize() {
return size;
}
public QueryBuilder getQuery() {
return query;
}
public List getSorts() {
return sorts;
}
public SearchAfterBuilder getSearchAfter() {
return searchAfter;
}
@Override
public ActionRequestValidationException validate() {
return null;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeOptionalVInt(from);
out.writeOptionalVInt(size);
out.writeOptionalNamedWriteable(query);
if (sorts != null) {
out.writeBoolean(true);
out.writeList(sorts);
} else {
out.writeBoolean(false);
}
out.writeOptionalWriteable(searchAfter);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params params) throws IOException {
builder.startObject();
if (from != null) {
builder.field(FROM_FIELD.getPreferredName(), from);
}
if (size != null) {
builder.field(SIZE_FIELD.getPreferredName(), size);
}
if (query != null) {
builder.field(QUERY_FIELD.getPreferredName(), query);
}
if (sorts != null) {
builder.startArray(SORT_FIELD.getPreferredName());
for (FieldSortBuilder sort : sorts) {
sort.toXContent(builder, params);
}
builder.endArray();
}
if (searchAfter != null) {
builder.array(SEARCH_AFTER_FIELD.getPreferredName(), searchAfter.getSortValues());
}
return builder.endObject();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Request request = (Request) o;
return Objects.equals(from, request.from) &&
Objects.equals(size, request.size) &&
Objects.equals(query, request.query) &&
Objects.equals(sorts, request.sorts) &&
Objects.equals(searchAfter, request.searchAfter);
}
@Override
public int hashCode() {
return Objects.hash(from, size, query, sorts, searchAfter);
}
}
public static class Response extends ActionResponse implements ToXContentObject {
private final List- watches;
private final long watchTotalCount;
public Response(long watchTotalCount, List
- watches) {
this.watches = watches;
this.watchTotalCount = watchTotalCount;
}
public Response(StreamInput in) throws IOException {
super(in);
watches = in.readList(Item::new);
watchTotalCount = in.readVLong();
}
public List
- getWatches() {
return watches;
}
public long getWatchTotalCount() {
return watchTotalCount;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeList(watches);
out.writeVLong(watchTotalCount);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject();
builder.field("count", watchTotalCount);
builder.startArray("watches");
for (Item watch : watches) {
builder.startObject();
watch.toXContent(builder, params);
builder.endObject();
}
builder.endArray();
return builder.endObject();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Response response = (Response) o;
return watchTotalCount == response.watchTotalCount &&
watches.equals(response.watches);
}
@Override
public int hashCode() {
return Objects.hash(watches, watchTotalCount);
}
public static class Item implements Writeable, ToXContentFragment {
private final String id;
private final XContentSource source;
private final WatchStatus status;
private final long seqNo;
private final long primaryTerm;
public Item(String id, XContentSource source, WatchStatus status, long seqNo, long primaryTerm) {
this.id = id;
this.source = source;
this.status = status;
this.seqNo = seqNo;
this.primaryTerm = primaryTerm;
}
public String getId() {
return id;
}
public XContentSource getSource() {
return source;
}
public WatchStatus getStatus() {
return status;
}
public long getSeqNo() {
return seqNo;
}
public long getPrimaryTerm() {
return primaryTerm;
}
public Item(StreamInput in) throws IOException {
id = in.readString();
source = XContentSource.readFrom(in);
status = new WatchStatus(in);
seqNo = in.readZLong();
primaryTerm = in.readVLong();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(id);
XContentSource.writeTo(source, out);
status.writeTo(out);
out.writeZLong(seqNo);
out.writeVLong(primaryTerm);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.field("_id", id);
builder.field("watch", source, params);
builder.field("status", status, params);
builder.field("_seq_no", seqNo);
builder.field("_primary_term", primaryTerm);
return builder;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Item item = (Item) o;
return seqNo == item.seqNo &&
primaryTerm == item.primaryTerm &&
id.equals(item.id) &&
source.equals(item.source);
}
@Override
public int hashCode() {
return Objects.hash(id, source, seqNo, primaryTerm);
}
}
}
}