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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.search;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.ToXContentObject;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import static org.elasticsearch.action.ValidateActions.addValidationError;
public class ClearScrollRequest extends ActionRequest implements ToXContentObject {
private List scrollIds;
public ClearScrollRequest() {}
public ClearScrollRequest(StreamInput in) throws IOException {
super(in);
scrollIds = Arrays.asList(in.readStringArray());
}
public List getScrollIds() {
return scrollIds;
}
public void setScrollIds(List scrollIds) {
this.scrollIds = scrollIds;
}
public void addScrollId(String scrollId) {
if (scrollIds == null) {
scrollIds = new ArrayList<>();
}
scrollIds.add(scrollId);
}
public List scrollIds() {
return scrollIds;
}
public void scrollIds(List scrollIds) {
this.scrollIds = scrollIds;
}
@Override
public ActionRequestValidationException validate() {
ActionRequestValidationException validationException = null;
if (scrollIds == null || scrollIds.isEmpty()) {
validationException = addValidationError("no scroll ids specified", validationException);
}
return validationException;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
if (scrollIds == null) {
out.writeVInt(0);
} else {
out.writeStringArray(scrollIds.toArray(new String[scrollIds.size()]));
}
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject();
builder.startArray("scroll_id");
for (String scrollId : scrollIds) {
builder.value(scrollId);
}
builder.endArray();
builder.endObject();
return builder;
}
public void fromXContent(XContentParser parser) throws IOException {
scrollIds = null;
if (parser.nextToken() != XContentParser.Token.START_OBJECT) {
throw new IllegalArgumentException("Malformed content, must start with an object");
} else {
XContentParser.Token token;
String currentFieldName = null;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if ("scroll_id".equals(currentFieldName)){
if (token == XContentParser.Token.START_ARRAY) {
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
if (token.isValue() == false) {
throw new IllegalArgumentException("scroll_id array element should only contain scroll_id");
}
addScrollId(parser.text());
}
} else {
if (token.isValue() == false) {
throw new IllegalArgumentException("scroll_id element should only contain scroll_id");
}
addScrollId(parser.text());
}
} else {
throw new IllegalArgumentException("Unknown parameter [" + currentFieldName
+ "] in request body or parameter is of the wrong type[" + token + "] ");
}
}
}
}
}