XSObjectListSequence.java

/**
 * Copyright 2015 Santhosh Kumar Tekuri
 *
 * The JLibs authors license 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 jlibs.xml.xsd.sequences;

import jlibs.core.graph.sequences.AbstractSequence;
import org.apache.xerces.xs.XSObject;
import org.apache.xerces.xs.XSObjectList;

/**
 * @author Santhosh Kumar T
 */
public class XSObjectListSequence<E extends XSObject> extends AbstractSequence<E>{
    private XSObjectList list;

    public XSObjectListSequence(XSObjectList list){
        this.list = list;
        _reset();
    }

    /*-------------------------------------------------[ Advancing ]---------------------------------------------------*/

    private int i;

    @Override
    @SuppressWarnings({"unchecked"})
    protected E findNext(){
        return (E)list.item(++i);
    }

    /*-------------------------------------------------[ Reuse ]---------------------------------------------------*/

    @Override
    public void reset(){
        super.reset();
        _reset();
    }

    private void _reset(){
        i = -1;
    }

    @Override
    public XSObjectListSequence<E> copy(){
        return new XSObjectListSequence<E>(list);
    }

    /*-------------------------------------------------[ Optimization ]---------------------------------------------------*/

    @Override
    public int length(){
        return list.getLength();
    }
}