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SPL(Structured Process Language) A programming language specially for structured data computing.

There is a newer version: 20241126

package com.scudata.common;

/**
 *	ByteMap --- ʹ??byte??Ϊkey????????Map
 */
import java.io.*;

public interface IByteMap
	extends ICloneable,Externalizable {
	/**
	 * ȷ?????????ٵ???ָ??ֵ
	 * @param minCapacity ָ??????С????
	 */
	public void ensureCapacity(int minCapacity);

	/*
	 * ????Ԫ?ظ???
	 */
	public short size();

	/*
	 * ????Ƿ?Ϊ??
	 */
	public boolean isEmpty();

	/**
	 * ????????????ʵ?ʴ?С
	 */
	public void trimToSize();

	/*
	 * ???Map???Ƿ???ָ??value
	 * @param value ??Ҫ???ҵ?value
	 * @see ByteMap#containsKey
	 */
	public boolean contains(Object value);

	/*
	 * ???Map???Ƿ???ָ????key
	 * @param key Ҫ???ҵ?key
	 * @see ByteMap#contains
	 */
	public boolean containsKey(byte key);

	/*
	 * ȡMap????ָ??key??Ӧ??value
	 * @param key ָ????key
	 * @see ByteMap#put
	 */
	public Object get(byte key);

	/*
	 * ??ָ????key??ָ????value????Map
	 * @param key ָ????key
	 * @see ByteMap#get
	 */
	public Object put(byte key, Object value);

	/**
	 * ??????һ??ByteMap?е?????????뱾ByteMap??key???ظ??򸲸?
	 * @param bam ??һ??ByteMap
	 */
	public void putAll(IByteMap bm);

	/*
	 * ???߶?Ӧ??ָ??key??Ԫ?أ???ָ????key?????ڣ???ֱ?ӷ???
	 * @param key ָ????key
	 * @return ָ??key??Ӧ??value????key?????ڣ??򷵻?null
	 */
	public Object remove(byte key);

	/**
	 * ??ָ????key??value׷?ӵ???ByteMap?У?ע??˷???????????ͬkey????
	 * @param key ָ????key
	 * @param value ָ????value
	 */
	public void add(byte key, Object value);

	/**
	 * ????һ??ByteMap?е???׷?ӵ???ByteMap??;ע??˷???????????ͬkey????
	 * @param bm ??һ??ByteMap
	 */
	public void addAll(IByteMap bm);

	/*
	 * ????λ??ɾ????
	 * @param index λ??
	 * @return ????ָ??λ?õ?value
	 */
	public Object removeEntry(int index);

	/*
	 * ????λ??ȡ?ö?Ӧ??key
	 * @param index λ??
	 */
	public byte getKey(int index);

	/*
	 * ????λ??ȡ?ö?Ӧ??value
	 * @param index λ??
	 */
	public Object getValue(int index);

	/*
	 * ȡMap????ָ??key??Ӧ??index,????Ҳ???ָ????key?򷵻?-1
	 * @param key ָ????key
	 */
	public int getIndex(byte key);

	/*
	 * ??ָ????index??Ӧ??value????Map
	 * @param index ָ????index
	 * @see ByteMap#setValue
	 */
	public void setValue(int index,Object value);

	/**
	 * ??????ظ????ֻ???????һ??
	 */
	public void purgeDupKeys();

	/**
	 * ???ֵΪnull????
	 */
	public void purgeNullValues();

	/*
	 * ???Map
	 */
	public void clear();

	/*************************???¼̳???Externalizable************************/
	/**
	 * д???ݵ???
	 *@param out ?????
	 */
	public void writeExternal(ObjectOutput out) throws IOException;

	/**
	 * ?????ж?????
	 *@param in ??????
	 */
	public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException;

	/*************************???¼̳???ICloneable************************/
	/**
	 * ??ȿ?¡
	 *@return ??¡???Ķ???
	 */
	public Object deepClone();

}