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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.termvectors;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.action.*;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.collect.Iterators;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentParser;
import java.io.IOException;
import java.util.*;
public class MultiTermVectorsRequest extends ActionRequest<MultiTermVectorsRequest> implements Iterable<TermVectorsRequest>, CompositeIndicesRequest, RealtimeRequest {
String preference;
List<TermVectorsRequest> requests = new ArrayList<>();
final Set<String> ids = new HashSet<>();
public MultiTermVectorsRequest add(TermVectorsRequest termVectorsRequest) {
requests.add(termVectorsRequest);
return this;
}
public MultiTermVectorsRequest add(String index, @Nullable String type, String id) {
requests.add(new TermVectorsRequest(index, type, id));
return this;
}
@Override
public ActionRequestValidationException validate() {
ActionRequestValidationException validationException = null;
if (requests.isEmpty()) {
validationException = ValidateActions.addValidationError("multi term vectors: no documents requested", validationException);
} else {
for (int i = 0; i < requests.size(); i++) {
TermVectorsRequest termVectorsRequest = requests.get(i);
ActionRequestValidationException validationExceptionForDoc = termVectorsRequest.validate();
if (validationExceptionForDoc != null) {
validationException = ValidateActions.addValidationError("at multi term vectors for doc " + i,
validationExceptionForDoc);
}
}
}
return validationException;
}
@Override
public List<? extends IndicesRequest> subRequests() {
return requests;
}
@Override
public Iterator<TermVectorsRequest> iterator() {
return Collections.unmodifiableCollection(requests).iterator();
}
public boolean isEmpty() {
return requests.isEmpty() && ids.isEmpty();
}
public List<TermVectorsRequest> getRequests() {
return requests;
}
public void add(TermVectorsRequest template, BytesReference data) throws Exception {
XContentParser.Token token;
String currentFieldName = null;
if (data.length() > 0) {
try (XContentParser parser = XContentFactory.xContent(data).createParser(data)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token == XContentParser.Token.START_ARRAY) {
if ("docs".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
if (token != XContentParser.Token.START_OBJECT) {
throw new IllegalArgumentException("docs array element should include an object");
}
TermVectorsRequest termVectorsRequest = new TermVectorsRequest(template);
TermVectorsRequest.parseRequest(termVectorsRequest, parser);
add(termVectorsRequest);
}
} else if ("ids".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
if (!token.isValue()) {
throw new IllegalArgumentException("ids array element should only contain ids");
}
ids.add(parser.text());
}
} else {
throw new ElasticsearchParseException("no parameter named [{}] and type ARRAY", currentFieldName);
}
} else if (token == XContentParser.Token.START_OBJECT && currentFieldName != null) {
if ("parameters".equals(currentFieldName)) {
TermVectorsRequest.parseRequest(template, parser);
} else {
throw new ElasticsearchParseException("no parameter named [{}] and type OBJECT", currentFieldName);
}
} else if (currentFieldName != null) {
throw new ElasticsearchParseException("_mtermvectors: Parameter [{}] not supported", currentFieldName);
}
}
}
}
for (String id : ids) {
TermVectorsRequest curRequest = new TermVectorsRequest(template);
curRequest.id(id);
requests.add(curRequest);
}
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
preference = in.readOptionalString();
int size = in.readVInt();
requests = new ArrayList<>(size);
for (int i = 0; i < size; i++) {
requests.add(TermVectorsRequest.readTermVectorsRequest(in));
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeOptionalString(preference);
out.writeVInt(requests.size());
for (TermVectorsRequest termVectorsRequest : requests) {
termVectorsRequest.writeTo(out);
}
}
public void ids(String[] ids) {
for (String id : ids) {
this.ids.add(id.replaceAll("\\s", ""));
}
}
public int size() {
return requests.size();
}
@Override
public MultiTermVectorsRequest realtime(Boolean realtime) {
for (TermVectorsRequest request : requests) {
request.realtime(realtime);
}
return this;
}
}
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