vaadin-framework/uitest/src/main/java/com/vaadin/tests/components/table/AsyncPushUpdates.java

/*
 * Copyright 2000-2013 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.components.table;

import com.vaadin.annotations.Push;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.ui.Button;
import com.vaadin.v7.data.util.IndexedContainer;
import com.vaadin.v7.ui.Table;

/**
 * Test to see if VScrollTable handles Push updates correctly.
 *
 * @author Vaadin Ltd
 */
@Push
public class AsyncPushUpdates extends AbstractReindeerTestUI {

    public int clickCount = 0;

    public static final String VALUE_PROPERTY_ID = "value";

    private final IndexedContainer container = createContainer();
    private final Table table = new Table();

    @Override
    public void setup(VaadinRequest request) {
        table.setWidth("100%");
        table.setContainerDataSource(container);

        Button button = new Button("START");
        button.addClickListener(event -> {
            ++clickCount;

            container.removeAllItems();
            for (int i = 0; i < 100; i++) {
                container.getContainerProperty(container.addItem(),
                        VALUE_PROPERTY_ID).setValue("A" + i);
            }

            Runnable generateNewRows = new Runnable() {
                public int id = 0;

                @Override
                public void run() {
                    getSession().lock();
                    try {
                        Thread.sleep(500);
                        ++id;
                        container.removeAllItems();
                        for (int i = 0; i < 11; i++) {
                            container.getContainerProperty(
                                    container.addItem(), VALUE_PROPERTY_ID)
                            .setValue(clickCount + " - " + id
                                    + " - " + i);
                        }

                    } catch (InterruptedException e) {
                        // NOOP
                    } finally {
                        getSession().unlock();
                    }
                }
            };
            new Thread(generateNewRows).start();
        });
        addComponent(table);
        addComponent(button);
    }

    private static IndexedContainer createContainer() {
        IndexedContainer container = new IndexedContainer();
        container.addContainerProperty(VALUE_PROPERTY_ID, String.class, "");
        return container;
    }

    /*
     * (non-Javadoc)
     *
     * @see com.vaadin.tests.components.AbstractTestUI#getTestDescription()
     */
    @Override
    protected String getTestDescription() {
        return "Make sure there are no duplicates on the table.";
    }

    /*
     * (non-Javadoc)
     *
     * @see com.vaadin.tests.components.AbstractTestUI#getTicketNumber()
     */
    @Override
    protected Integer getTicketNumber() {
        return 13562;
    }

}