secondordersequence.java

来自「java 的源代码」· Java 代码 · 共 101 行

package com.reddragon2046.base.utilities.data;

import java.util.*;

// Referenced classes of package com.reddragon2046.base.utilities.data:
//            AbstractSequence, Sequence, Container, ForwardIterator

public abstract class SecondOrderSequence extends AbstractSequence
{

    public SecondOrderSequence(Sequence sequence)
    {
        m_sequence = sequence;
    }

    public boolean equals(Object object)
    {
        if(object == null)
            return false;
        if(object == this)
            return true;
        if(object.getClass().equals(getClass()))
        {
            SecondOrderSequence other = (SecondOrderSequence)object;
            return other.m_sequence.equals(m_sequence);
        } else
        {
            return false;
        }
    }

    protected Sequence getUnderlyingSequence()
    {
        return m_sequence;
    }

    public ListIterator listIterator()
    {
        return m_sequence.listIterator();
    }

    public ListIterator listIterator(int index)
    {
        return m_sequence.listIterator(index);
    }

    public void clear()
    {
        m_sequence.clear();
    }

    public int hashCode()
    {
        return getUnderlyingSequence().hashCode();
    }

    public boolean isEmpty()
    {
        return m_sequence.isEmpty();
    }

    public int size()
    {
        return m_sequence.size();
    }

    public int maxSize()
    {
        return m_sequence.maxSize();
    }

    public Object get(int index)
    {
        return m_sequence.get(index);
    }

    public ForwardIterator start()
    {
        return m_sequence.start();
    }

    public ForwardIterator finish()
    {
        return m_sequence.finish();
    }

    public void swap(SecondOrderSequence other)
    {
        Sequence tmp_sequence = m_sequence;
        m_sequence = other.m_sequence;
        other.m_sequence = tmp_sequence;
    }

    public void copy(SecondOrderSequence other)
    {
        m_sequence = (Sequence)other.m_sequence.clone();
    }

    private Sequence m_sequence;
}