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/*
 * Copyright 2004-2014 ICEsoft Technologies Canada Corp.
 *
 * 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 org.icefaces.ace.model.dataview;

/**
 * Implementors of this interface should return an iterator over the current
 * 'page' of Objects, starting at the firstIndex.
 */
public abstract class DataViewDataModel implements IndexedIterable {
    abstract public Object getDataByIndex(int index);;
    abstract public int length();

    int pageStartIndex;
    int pageSize = -1; // negative implies max size

    public void setPageStartIndex(int index) {
        pageStartIndex = index;
    }

    public int getPageStartIndex() {
        return pageStartIndex;
    }

    public void setPageSize(int size) {
        pageSize = size;
    }

    public int getPageSize() {
        return pageSize;
    }
}
    

    

    

            

    

            



    
    






    
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