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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.indices;
import org.elasticsearch.common.ParsingException;
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.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.index.query.TermsQueryBuilder;
import java.io.IOException;
import java.util.Objects;
/**
* Encapsulates the parameters needed to fetch terms.
*/
public class TermsLookup implements Writeable, ToXContent {
private String index;
private final String type;
private final String id;
private final String path;
private String routing;
public TermsLookup(TermsLookup copy) {
this(copy.index, copy.type, copy.id, copy.path);
this.routing = copy.routing;
}
public TermsLookup(String index, String type, String id, String path) {
if (id == null) {
throw new IllegalArgumentException("[" + TermsQueryBuilder.NAME + "] query lookup element requires specifying the id.");
}
if (type == null) {
throw new IllegalArgumentException("[" + TermsQueryBuilder.NAME + "] query lookup element requires specifying the type.");
}
if (path == null) {
throw new IllegalArgumentException("[" + TermsQueryBuilder.NAME + "] query lookup element requires specifying the path.");
}
this.index = index;
this.type = type;
this.id = id;
this.path = path;
}
/**
* Read from a stream.
*/
public TermsLookup(StreamInput in) throws IOException {
type = in.readString();
id = in.readString();
path = in.readString();
index = in.readOptionalString();
routing = in.readOptionalString();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(type);
out.writeString(id);
out.writeString(path);
out.writeOptionalString(index);
out.writeOptionalString(routing);
}
public String index() {
return index;
}
public TermsLookup index(String index) {
this.index = index;
return this;
}
public String type() {
return type;
}
public String id() {
return id;
}
public String path() {
return path;
}
public String routing() {
return routing;
}
public TermsLookup routing(String routing) {
this.routing = routing;
return this;
}
public static TermsLookup parseTermsLookup(XContentParser parser) throws IOException {
String index = null;
String type = null;
String id = null;
String path = null;
String routing = null;
XContentParser.Token token;
String currentFieldName = "";
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token.isValue()) {
switch (currentFieldName) {
case "index":
index = parser.textOrNull();
break;
case "type":
type = parser.text();
break;
case "id":
id = parser.text();
break;
case "routing":
routing = parser.textOrNull();
break;
case "path":
path = parser.text();
break;
default:
throw new ParsingException(parser.getTokenLocation(), "[" + TermsQueryBuilder.NAME +
"] query does not support [" + currentFieldName + "] within lookup element");
}
} else {
throw new ParsingException(parser.getTokenLocation(), "[" + TermsQueryBuilder.NAME + "] unknown token ["
+ token + "] after [" + currentFieldName + "]");
}
}
return new TermsLookup(index, type, id, path).routing(routing);
}
@Override
public String toString() {
return index + "/" + type + "/" + id + "/" + path;
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
if (index != null) {
builder.field("index", index);
}
builder.field("type", type);
builder.field("id", id);
builder.field("path", path);
if (routing != null) {
builder.field("routing", routing);
}
return builder;
}
@Override
public int hashCode() {
return Objects.hash(index, type, id, path, routing);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
TermsLookup other = (TermsLookup) obj;
return Objects.equals(index, other.index) &&
Objects.equals(type, other.type) &&
Objects.equals(id, other.id) &&
Objects.equals(path, other.path) &&
Objects.equals(routing, other.routing);
}
}
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