objectiterator.java

来自「java 的源代码」· Java 代码 · 共 89 行

package com.reddragon2046.base.utilities.data.adapters;

import com.reddragon2046.base.utilities.data.InputIterator;
import com.reddragon2046.base.utilities.data.RandomAccessIterator;
import java.io.Serializable;

// Referenced classes of package com.reddragon2046.base.utilities.data.adapters:
//            AbstractArrayIterator, ObjectArray

public final class ObjectIterator extends AbstractArrayIterator
    implements RandomAccessIterator, Serializable
{

    public static ObjectIterator begin(Object array[])
    {
        return new ObjectIterator(new ObjectArray(array), 0);
    }

    public static ObjectIterator end(Object array[])
    {
        return new ObjectIterator(new ObjectArray(array), array.length);
    }

    public ObjectIterator()
    {
        this(new ObjectArray(), 0);
    }

    public ObjectIterator(ObjectIterator iterator)
    {
        super(iterator.getContainer(), iterator.getInternalIndex());
        buffer = iterator.buffer;
    }

    public ObjectIterator(Object array[], int index)
    {
        this(new ObjectArray(array), index);
        buffer = array;
    }

    public ObjectIterator(ObjectArray array, int index)
    {
        super(array, index);
    }

    public Object clone()
    {
        return new ObjectIterator(this);
    }

    public boolean equals(Object object)
    {
        return (object instanceof ObjectIterator) && equals((ObjectIterator)object);
    }

    public boolean equals(ObjectIterator iterator)
    {
        return iterator.getInternalIndex() == getInternalIndex() && iterator.getContainer() == getContainer();
    }

    public int hashCode()
    {
        return System.identityHashCode(getContainer()) ^ getInternalIndex();
    }

    public Object get(int offset)
    {
        return buffer[getInternalIndex() + offset];
    }

    public void put(Object object)
    {
        put(0, object);
    }

    public void put(int offset, Object object)
    {
        buffer[getInternalIndex() + offset] = object;
    }

    public boolean isCompatibleWith(InputIterator iterator)
    {
        return (iterator instanceof ObjectIterator) && buffer == ((ObjectIterator)iterator).buffer;
    }

    private Object buffer[];
    static final long serialVersionUID = 0x244b1fe4281c7fcfL;
}