src/dxapi/native/tickdb/http/xml/stream/describe_stream_request.cpp

/*
 * Copyright 2021 EPAM Systems, Inc
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. Licensed 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.
 */

#include "tickdb/common.h"

#include "describe_stream_request.h"

using namespace std;
using namespace tinyxml2;
using namespace DxApi;
using namespace DxApiImpl;


DescribeStreamRequest::DescribeStreamRequest(const DxApi::TickStream *stream)
    : StreamRequest(stream, "describeStream")
{
}

using namespace XmlGen;
using namespace XmlParse;

bool DescribeStreamRequest::describe(std::string &ddl) {
    ddl.clear();
    if (!executeAndParseResponse())
        return false;

    XMLElement *rootElement = response_.root();

    if (!nameEquals(rootElement, "describeStreamResponse")) {
        return false;
    }

    XMLElement *spacesElement = rootElement->FirstChildElement("ddl");

    if (NULL != spacesElement) {
        ddl.append(spacesElement->GetText());
        return true;
    }

    return false;
}