vaadin-framework/test/servlet-containers/generic-ui/src/main/java/com/vaadin/tests/integration/push/BasicPushLongPolling.java

/*
 * Copyright 2000-2018 Vaadin Ltd.
 *
 * 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.
 */
package com.vaadin.tests.integration.push;

import com.vaadin.annotations.Push;
import com.vaadin.server.VaadinRequest;
import com.vaadin.shared.ui.ui.Transport;
import com.vaadin.shared.ui.ui.UIState.PushConfigurationState;

@Push(transport = Transport.LONG_POLLING)
public class BasicPushLongPolling extends BasicPush {

    @Override
    public void init(VaadinRequest request) {
        super.init(request);
        // Don't use fallback so we can easier detect if long polling fails
        getPushConfiguration().setParameter(
                PushConfigurationState.FALLBACK_TRANSPORT_PARAM, "none");
    }

}