/*
* 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.carrotsearch.hppc.IntArrayList;
import com.carrotsearch.hppc.LongArrayList;
import org.elasticsearch.Version;
import org.elasticsearch.action.support.single.shard.SingleShardOperationRequest;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.lucene.uid.Versions;
import org.elasticsearch.index.VersionType;
import org.elasticsearch.search.fetch.source.FetchSourceContext;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class MultiGetShardRequest extends SingleShardOperationRequest<MultiGetShardRequest> {
private int shardId;
private String preference;
Boolean realtime;
boolean refresh;
boolean ignoreErrorsOnGeneratedFields = false;
IntArrayList locations;
List<MultiGetRequest.Item> items;
MultiGetShardRequest() {
}
MultiGetShardRequest(MultiGetRequest multiGetRequest, String index, int shardId) {
super(multiGetRequest, index);
this.shardId = shardId;
locations = new IntArrayList();
items = new ArrayList<>();
preference = multiGetRequest.preference;
realtime = multiGetRequest.realtime;
refresh = multiGetRequest.refresh;
ignoreErrorsOnGeneratedFields = multiGetRequest.ignoreErrorsOnGeneratedFields;
}
public int shardId() {
return this.shardId;
}
/**
* Sets the preference to execute the search. Defaults to randomize across shards. Can be set to
* <tt>_local</tt> to prefer local shards, <tt>_primary</tt> to execute only on primary shards, or
* a custom value, which guarantees that the same order will be used across different requests.
*/
public MultiGetShardRequest preference(String preference) {
this.preference = preference;
return this;
}
public String preference() {
return this.preference;
}
public boolean realtime() {
return this.realtime == null ? true : this.realtime;
}
public MultiGetShardRequest realtime(Boolean realtime) {
this.realtime = realtime;
return this;
}
public MultiGetShardRequest ignoreErrorsOnGeneratedFields(Boolean ignoreErrorsOnGeneratedFields) {
this.ignoreErrorsOnGeneratedFields = ignoreErrorsOnGeneratedFields;
return this;
}
public boolean refresh() {
return this.refresh;
}
public MultiGetShardRequest refresh(boolean refresh) {
this.refresh = refresh;
return this;
}
void add(int location, MultiGetRequest.Item item) {
this.locations.add(location);
this.items.add(item);
}
@Override
public String[] indices() {
String[] indices = new String[items.size()];
for (int i = 0; i < indices.length; i++) {
indices[i] = items.get(i).index();
}
return indices;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
int size = in.readVInt();
locations = new IntArrayList(size);
items = new ArrayList<>(size);
if (in.getVersion().onOrAfter(Version.V_1_4_0_Beta1)) {
for (int i = 0; i < size; i++) {
locations.add(in.readVInt());
items.add(MultiGetRequest.Item.readItem(in));
}
} else {
List<String> types = new ArrayList<>(size);
List<String> ids = new ArrayList<>(size);
List<String[]> fields = new ArrayList<>(size);
LongArrayList versions = new LongArrayList(size);
List<VersionType> versionTypes = new ArrayList<>(size);
List<FetchSourceContext> fetchSourceContexts = new ArrayList<>(size);
for (int i = 0; i < size; i++) {
locations.add(in.readVInt());
if (in.readBoolean()) {
types.add(in.readSharedString());
} else {
types.add(null);
}
ids.add(in.readString());
int size1 = in.readVInt();
if (size1 > 0) {
String[] fieldsArray = new String[size1];
for (int j = 0; j < size1; j++) {
fieldsArray[j] = in.readString();
}
fields.add(fieldsArray);
} else {
fields.add(null);
}
versions.add(Versions.readVersionWithVLongForBW(in));
versionTypes.add(VersionType.fromValue(in.readByte()));
fetchSourceContexts.add(FetchSourceContext.optionalReadFromStream(in));
}
for (int i = 0; i < size; i++) {
//before 1.4 we have only one index, the concrete one
MultiGetRequest.Item item = new MultiGetRequest.Item(index, types.get(i), ids.get(i))
.fields(fields.get(i)).version(versions.get(i)).versionType(versionTypes.get(i))
.fetchSourceContext(fetchSourceContexts.get(i));
items.add(item);
}
}
preference = in.readOptionalString();
refresh = in.readBoolean();
byte realtime = in.readByte();
if (realtime == 0) {
this.realtime = false;
} else if (realtime == 1) {
this.realtime = true;
}
if(in.getVersion().onOrAfter(Version.V_1_4_0_Beta1)) {
ignoreErrorsOnGeneratedFields = in.readBoolean();
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeVInt(locations.size());
if (out.getVersion().onOrAfter(Version.V_1_4_0_Beta1)) {
for (int i = 0; i < locations.size(); i++) {
out.writeVInt(locations.get(i));
items.get(i).writeTo(out);
}
} else {
for (int i = 0; i < locations.size(); i++) {
out.writeVInt(locations.get(i));
MultiGetRequest.Item item = items.get(i);
if (item.type() == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
out.writeSharedString(item.type());
}
out.writeString(item.id());
if (item.fields() == null) {
out.writeVInt(0);
} else {
out.writeVInt(item.fields().length);
for (String field : item.fields()) {
out.writeString(field);
}
}
Versions.writeVersionWithVLongForBW(item.version(), out);
out.writeByte(item.versionType().getValue());
FetchSourceContext.optionalWriteToStream(item.fetchSourceContext(), out);
}
}
out.writeOptionalString(preference);
out.writeBoolean(refresh);
if (realtime == null) {
out.writeByte((byte) -1);
} else if (!realtime) {
out.writeByte((byte) 0);
} else {
out.writeByte((byte) 1);
}
if(out.getVersion().onOrAfter(Version.V_1_4_0_Beta1)) {
out.writeBoolean(ignoreErrorsOnGeneratedFields);
}
}
public boolean ignoreErrorsOnGeneratedFields() {
return ignoreErrorsOnGeneratedFields;
}
}