org.apache.wicket.markup.html.navigation.paging.IPageable.java Source code

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Here is the source code for org.apache.wicket.markup.html.navigation.paging.IPageable.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.wicket.markup.html.navigation.paging;

import org.apache.wicket.util.io.IClusterable;

/**
 * Components that implement this interface will be pageable, they should return the pagecount so
 * that an object/component knows how many pages it can use for the setCurrentPage method.
 * 
 * The PageableListView is one example that is Pageable. But also a Form could be pageable so that
 * you can scroll to sets of records that you display in that form with any navigator you want.
 * 
 * @author jcompagner
 */
public interface IPageable extends IClusterable {
    /**
     * @return The current page that is or will be rendered (page number is zero-based)
     */
    long getCurrentPage();

    /**
     * Sets the a page that should be rendered (page number is zero-based)
     * 
     * @param page
     *            The page that should be rendered.
     */
    void setCurrentPage(long page);

    /**
     * Gets the total number of pages this pageable object has.
     * 
     * @return The total number of pages this pageable object has
     */
    long getPageCount();
}