com.google.gwt.view.client.AsyncDataProvider.java Source code

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Here is the source code for com.google.gwt.view.client.AsyncDataProvider.java

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/*
 * Copyright 2010 Google Inc.
 *
 * 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.google.gwt.view.client;

import java.util.List;

/**
 * An implementation of {@link AbstractDataProvider} that allows the data to be
 * modified.
 *
 * <p>
 * <h3>Example</h3>
 * {@example com.google.gwt.examples.view.AsyncDataProviderExample}
 * </p>
 *
 * @param <T> the data type of records in the list
 */
public abstract class AsyncDataProvider<T> extends AbstractDataProvider<T> {

    /**
     * Constructs an AsyncDataProvider without a key provider.
     */
    protected AsyncDataProvider() {
        super(null);
    }

    /**
     * Constructs an AsyncDataProvider with the given key provider.
     *
     * @param keyProvider an instance of ProvidesKey<T>, or null if the record
     *        object should act as its own key
     */
    protected AsyncDataProvider(ProvidesKey<T> keyProvider) {
        super(keyProvider);
    }

    @Override
    public void updateRowCount(int size, boolean exact) {
        super.updateRowCount(size, exact);
    }

    @Override
    public void updateRowData(int start, List<T> values) {
        super.updateRowData(start, values);
    }
}