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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.get;
import com.google.common.collect.Iterators;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.action.percolate.PercolateResponse;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Streamable;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;
import java.io.IOException;
import java.util.Collections;
import java.util.Iterator;
public class MultiGetResponse extends ActionResponse implements Iterable, ToXContent {
/**
* Represents a failure.
*/
public static class Failure implements Streamable {
private String index;
private String type;
private String id;
private Throwable throwable;
Failure() {
}
public Failure(String index, String type, String id, Throwable throwable) {
this.index = index;
this.type = type;
this.id = id;
this.throwable = throwable;
}
/**
* The index name of the action.
*/
public String getIndex() {
return this.index;
}
/**
* The type of the action.
*/
public String getType() {
return type;
}
/**
* The id of the action.
*/
public String getId() {
return id;
}
/**
* The failure message.
*/
public String getMessage() {
return throwable != null ? throwable.getMessage() : null;
}
public static Failure readFailure(StreamInput in) throws IOException {
Failure failure = new Failure();
failure.readFrom(in);
return failure;
}
@Override
public void readFrom(StreamInput in) throws IOException {
index = in.readString();
type = in.readOptionalString();
id = in.readString();
throwable = in.readThrowable();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(index);
out.writeOptionalString(type);
out.writeString(id);
out.writeThrowable(throwable);
}
public Throwable getFailure() {
return throwable;
}
}
private MultiGetItemResponse[] responses;
MultiGetResponse() {
}
public MultiGetResponse(MultiGetItemResponse[] responses) {
this.responses = responses;
}
public MultiGetItemResponse[] getResponses() {
return this.responses;
}
@Override
public Iterator iterator() {
return Iterators.forArray(responses);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startArray(Fields.DOCS);
for (MultiGetItemResponse response : responses) {
if (response.isFailed()) {
builder.startObject();
Failure failure = response.getFailure();
builder.field(Fields._INDEX, failure.getIndex());
builder.field(Fields._TYPE, failure.getType());
builder.field(Fields._ID, failure.getId());
ElasticsearchException.renderThrowable(builder, params, failure.getFailure());
builder.endObject();
} else {
GetResponse getResponse = response.getResponse();
builder.startObject();
getResponse.toXContent(builder, params);
builder.endObject();
}
}
builder.endArray();
return builder;
}
static final class Fields {
static final XContentBuilderString DOCS = new XContentBuilderString("docs");
static final XContentBuilderString _INDEX = new XContentBuilderString("_index");
static final XContentBuilderString _TYPE = new XContentBuilderString("_type");
static final XContentBuilderString _ID = new XContentBuilderString("_id");
static final XContentBuilderString ERROR = new XContentBuilderString("error");
static final XContentBuilderString ROOT_CAUSE = new XContentBuilderString("root_cause");
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
responses = new MultiGetItemResponse[in.readVInt()];
for (int i = 0; i < responses.length; i++) {
responses[i] = MultiGetItemResponse.readItemResponse(in);
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeVInt(responses.length);
for (MultiGetItemResponse response : responses) {
response.writeTo(out);
}
}
}