org.elasticsearch.action.admin.indices.validate.query.QueryExplanation 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.indices.validate.query;
import org.elasticsearch.Version;
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.ToXContentFragment;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import java.io.IOException;
import java.util.Objects;
import static org.elasticsearch.common.xcontent.ConstructingObjectParser.constructorArg;
import static org.elasticsearch.common.xcontent.ConstructingObjectParser.optionalConstructorArg;
public class QueryExplanation implements Writeable, ToXContentFragment {
public static final String INDEX_FIELD = "index";
public static final String SHARD_FIELD = "shard";
public static final String VALID_FIELD = "valid";
public static final String ERROR_FIELD = "error";
public static final String EXPLANATION_FIELD = "explanation";
public static final int RANDOM_SHARD = -1;
static final ConstructingObjectParser PARSER = new ConstructingObjectParser<>(
"query_explanation",
true,
a -> {
int shard = RANDOM_SHARD;
if (a[1] != null) {
shard = (int)a[1];
}
return new QueryExplanation(
(String)a[0],
shard,
(boolean)a[2],
(String)a[3],
(String)a[4]
);
}
);
static {
PARSER.declareString(optionalConstructorArg(), new ParseField(INDEX_FIELD));
PARSER.declareInt(optionalConstructorArg(), new ParseField(SHARD_FIELD));
PARSER.declareBoolean(constructorArg(), new ParseField(VALID_FIELD));
PARSER.declareString(optionalConstructorArg(), new ParseField(EXPLANATION_FIELD));
PARSER.declareString(optionalConstructorArg(), new ParseField(ERROR_FIELD));
}
private String index;
private int shard = RANDOM_SHARD;
private boolean valid;
private String explanation;
private String error;
public QueryExplanation(StreamInput in) throws IOException {
if (in.getVersion().onOrAfter(Version.V_6_4_0)) {
index = in.readOptionalString();
} else {
index = in.readString();
}
shard = in.readInt();
valid = in.readBoolean();
explanation = in.readOptionalString();
error = in.readOptionalString();
}
public QueryExplanation(String index, int shard, boolean valid, String explanation,
String error) {
this.index = index;
this.shard = shard;
this.valid = valid;
this.explanation = explanation;
this.error = error;
}
public String getIndex() {
return this.index;
}
public int getShard() {
return this.shard;
}
public boolean isValid() {
return this.valid;
}
public String getError() {
return this.error;
}
public String getExplanation() {
return this.explanation;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
if (out.getVersion().onOrAfter(Version.V_6_4_0)) {
out.writeOptionalString(index);
} else {
out.writeString(index);
}
out.writeInt(shard);
out.writeBoolean(valid);
out.writeOptionalString(explanation);
out.writeOptionalString(error);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
if (getIndex() != null) {
builder.field(INDEX_FIELD, getIndex());
}
if(getShard() >= 0) {
builder.field(SHARD_FIELD, getShard());
}
builder.field(VALID_FIELD, isValid());
if (getError() != null) {
builder.field(ERROR_FIELD, getError());
}
if (getExplanation() != null) {
builder.field(EXPLANATION_FIELD, getExplanation());
}
return builder;
}
public static QueryExplanation 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;
QueryExplanation other = (QueryExplanation) o;
return Objects.equals(getIndex(), other.getIndex()) &&
Objects.equals(getShard(), other.getShard()) &&
Objects.equals(isValid(), other.isValid()) &&
Objects.equals(getError(), other.getError()) &&
Objects.equals(getExplanation(), other.getExplanation());
}
@Override
public int hashCode() {
return Objects.hash(getIndex(), getShard(), isValid(), getError(), getExplanation());
}
}