/*
 * Copyright 2008 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.gen2.table.client;

import com.google.gwt.gen2.table.client.TableModelHelper.*;

import java.util.*;

/**
 * A class to retrieve row data to be used in a table.
 *
 * @param <RowType> the data type of the row values
 */
public class IterableTableModel<RowType> extends TableModel<RowType> {
    /**
     * The values associated with each row.
     */
    private Iterable<RowType> rows;

    /**
     * Create a new {@link IterableTableModel}.
     *
     * @param rows the values associated with each row.
     */
    public IterableTableModel( Iterable<RowType> rows ) {
        this.rows = rows;
    }

    @Override
    public void requestRows( Request request, TableModel.Callback<RowType> callback ) {

        callback.onRowsReady( request, new Response<RowType>() {
            @Override
            public Iterator<RowType> getRowValues() {
                return rows.iterator();
            }
        } );
    }
}