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Elasticsearch subproject :server
/*
* 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.main;
import org.elasticsearch.Build;
import org.elasticsearch.Version;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.cluster.ClusterName;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.ObjectParser;
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;
public class MainResponse extends ActionResponse implements ToXContentObject {
private String nodeName;
private Version version;
private ClusterName clusterName;
private String clusterUuid;
private Build build;
MainResponse() {}
MainResponse(StreamInput in) throws IOException {
super(in);
nodeName = in.readString();
version = Version.readVersion(in);
clusterName = new ClusterName(in);
clusterUuid = in.readString();
build = Build.readBuild(in);
if (in.getVersion().before(Version.V_7_0_0)) {
in.readBoolean();
}
}
public MainResponse(String nodeName, Version version, ClusterName clusterName, String clusterUuid, Build build) {
this.nodeName = nodeName;
this.version = version;
this.clusterName = clusterName;
this.clusterUuid = clusterUuid;
this.build = build;
}
public String getNodeName() {
return nodeName;
}
public Version getVersion() {
return version;
}
public ClusterName getClusterName() {
return clusterName;
}
public String getClusterUuid() {
return clusterUuid;
}
public Build getBuild() {
return build;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(nodeName);
Version.writeVersion(version, out);
clusterName.writeTo(out);
out.writeString(clusterUuid);
Build.writeBuild(build, out);
if (out.getVersion().before(Version.V_7_0_0)) {
out.writeBoolean(true);
}
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject();
builder.field("name", nodeName);
builder.field("cluster_name", clusterName.value());
builder.field("cluster_uuid", clusterUuid);
builder.startObject("version")
.field("number", build.getQualifiedVersion())
.field("build_flavor", build.flavor().displayName())
.field("build_type", build.type().displayName())
.field("build_hash", build.hash())
.field("build_date", build.date())
.field("build_snapshot", build.isSnapshot())
.field("lucene_version", version.luceneVersion.toString())
.field("minimum_wire_compatibility_version", version.minimumCompatibilityVersion().toString())
.field("minimum_index_compatibility_version", version.minimumIndexCompatibilityVersion().toString())
.endObject();
builder.field("tagline", "You Know, for Search");
builder.endObject();
return builder;
}
private static final ObjectParser PARSER = new ObjectParser<>(MainResponse.class.getName(), true,
MainResponse::new);
static {
PARSER.declareString((response, value) -> response.nodeName = value, new ParseField("name"));
PARSER.declareString((response, value) -> response.clusterName = new ClusterName(value), new ParseField("cluster_name"));
PARSER.declareString((response, value) -> response.clusterUuid = value, new ParseField("cluster_uuid"));
PARSER.declareString((response, value) -> {}, new ParseField("tagline"));
PARSER.declareObject((response, value) -> {
final String buildFlavor = (String) value.get("build_flavor");
final String buildType = (String) value.get("build_type");
response.build =
new Build(
/*
* Be lenient when reading on the wire, the enumeration values from other versions might be different than what
* we know.
*/
buildFlavor == null ? Build.Flavor.UNKNOWN : Build.Flavor.fromDisplayName(buildFlavor, false),
buildType == null ? Build.Type.UNKNOWN : Build.Type.fromDisplayName(buildType, false),
(String) value.get("build_hash"),
(String) value.get("build_date"),
(boolean) value.get("build_snapshot"),
(String) value.get("number")
);
response.version = Version.fromString(
((String) value.get("number"))
.replace("-SNAPSHOT", "")
.replaceFirst("-(alpha\\d+|beta\\d+|rc\\d+)", "")
);
}, (parser, context) -> parser.map(), new ParseField("version"));
}
public static MainResponse fromXContent(XContentParser parser) {
return PARSER.apply(parser, null);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
MainResponse other = (MainResponse) o;
return Objects.equals(nodeName, other.nodeName) &&
Objects.equals(version, other.version) &&
Objects.equals(clusterUuid, other.clusterUuid) &&
Objects.equals(build, other.build) &&
Objects.equals(clusterName, other.clusterName);
}
@Override
public int hashCode() {
return Objects.hash(nodeName, version, clusterUuid, build, clusterName);
}
@Override
public String toString() {
return "MainResponse{" +
"nodeName='" + nodeName + '\'' +
", version=" + version +
", clusterName=" + clusterName +
", clusterUuid='" + clusterUuid + '\'' +
", build=" + build +
'}';
}
}