org.elasticsearch.action.admin.cluster.snapshots.restore.RestoreSnapshotResponse Maven / Gradle / Ivy
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/*
* 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.action.admin.cluster.snapshots.restore;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.ConstructingObjectParser;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.ToXContentObject;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.snapshots.RestoreInfo;
import java.io.IOException;
import java.util.Objects;
import static org.elasticsearch.common.xcontent.ConstructingObjectParser.optionalConstructorArg;
/**
* Contains information about restores snapshot
*/
public class RestoreSnapshotResponse extends ActionResponse implements ToXContentObject {
@Nullable
private RestoreInfo restoreInfo;
RestoreSnapshotResponse(@Nullable RestoreInfo restoreInfo) {
this.restoreInfo = restoreInfo;
}
public RestoreSnapshotResponse(StreamInput in) throws IOException {
super(in);
restoreInfo = RestoreInfo.readOptionalRestoreInfo(in);
}
/**
* Returns restore information if snapshot was completed before this method returned, null otherwise
*
* @return restore information or null
*/
public RestoreInfo getRestoreInfo() {
return restoreInfo;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeOptionalWriteable(restoreInfo);
}
public RestStatus status() {
if (restoreInfo == null) {
return RestStatus.ACCEPTED;
}
return restoreInfo.status();
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params params) throws IOException {
builder.startObject();
if (restoreInfo != null) {
builder.field("snapshot");
restoreInfo.toXContent(builder, params);
} else {
builder.field("accepted", true);
}
builder.endObject();
return builder;
}
public static final ConstructingObjectParser PARSER = new ConstructingObjectParser<>(
"restore_snapshot", true, v -> {
RestoreInfo restoreInfo = (RestoreInfo) v[0];
Boolean accepted = (Boolean) v[1];
assert (accepted == null && restoreInfo != null) ||
(accepted != null && accepted && restoreInfo == null) :
"accepted: [" + accepted + "], restoreInfo: [" + restoreInfo + "]";
return new RestoreSnapshotResponse(restoreInfo);
});
static {
PARSER.declareObject(optionalConstructorArg(), (parser, context) -> RestoreInfo.fromXContent(parser), new ParseField("snapshot"));
PARSER.declareBoolean(optionalConstructorArg(), new ParseField("accepted"));
}
public static RestoreSnapshotResponse fromXContent(XContentParser parser) throws IOException {
return PARSER.parse(parser, null);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
RestoreSnapshotResponse that = (RestoreSnapshotResponse) o;
return Objects.equals(restoreInfo, that.restoreInfo);
}
@Override
public int hashCode() {
return Objects.hash(restoreInfo);
}
@Override
public String toString() {
return "RestoreSnapshotResponse{" + "restoreInfo=" + restoreInfo + '}';
}
}