org.elasticsearch.action.termvectors.MultiTermVectorsRequest Maven / Gradle / Ivy
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.action.termvectors;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.CompositeIndicesRequest;
import org.elasticsearch.action.RealtimeRequest;
import org.elasticsearch.action.ValidateActions;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.core.Nullable;
import org.elasticsearch.xcontent.XContentParser;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
// It's not possible to suppress teh warning at #realtime(boolean) at a method-level.
@SuppressWarnings("unchecked")
public class MultiTermVectorsRequest extends ActionRequest
implements
Iterable,
CompositeIndicesRequest,
RealtimeRequest {
String preference;
List requests = new ArrayList<>();
final Set ids = new HashSet<>();
public MultiTermVectorsRequest(StreamInput in) throws IOException {
super(in);
preference = in.readOptionalString();
int size = in.readVInt();
requests = new ArrayList<>(size);
for (int i = 0; i < size; i++) {
requests.add(new TermVectorsRequest(in));
}
}
public MultiTermVectorsRequest() {}
public MultiTermVectorsRequest add(TermVectorsRequest termVectorsRequest) {
requests.add(termVectorsRequest);
return this;
}
public MultiTermVectorsRequest add(String index, String id) {
requests.add(new TermVectorsRequest(index, 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 Iterator iterator() {
return Collections.unmodifiableCollection(requests).iterator();
}
public boolean isEmpty() {
return requests.isEmpty() && ids.isEmpty();
}
public List getRequests() {
return requests;
}
public void add(TermVectorsRequest template, @Nullable XContentParser parser) throws IOException {
XContentParser.Token token;
String currentFieldName = null;
if (parser != null) {
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, parser.getRestApiVersion());
add(termVectorsRequest);
}
} else if ("ids".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
if (token.isValue() == false) {
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, parser.getRestApiVersion());
} 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 writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeOptionalString(preference);
out.writeCollection(requests);
}
public void ids(String[] ids) {
for (String id : ids) {
this.ids.add(id.replaceAll("\\s", ""));
}
}
public int size() {
return requests.size();
}
@Override
@SuppressWarnings("unchecked")
public MultiTermVectorsRequest realtime(boolean realtime) {
for (TermVectorsRequest request : requests) {
request.realtime(realtime);
}
return this;
}
}