File: HashMethod.java

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//start of HashMethod.java
//TEXT_STYLE:CODE=Shift_JIS(Japanese):RET_CODE=CRLF

/**
 * HashMethod.java
 * 
 * Copyright (C) 2002  Michel Ishizuka  All rights reserved.
 * 
 * ȉ̏ɓӂȂ΃\[XƃoCi`̍ĔzzƎgp
 * ύX̗Lɂ炸‚B
 * 
 * PD\[XR[h̍ĔzzɂĒ쌠\ ̏̃Xg
 *     щL̐ێȂĂ͂ȂȂB
 * 
 * QDoCi`̍ĔzzɂĒ쌠\ ̏̃Xg
 *     щL̐gp ̑̔zz
 *     ܂ގɋLqȂ΂ȂȂB
 * 
 * ̃\tgEFA͐Β˔ڂɂĖۏ؂Œ񋟂A̖
 * IBłƂۏ؁AilLƂۏ؂ɂƂǂ܂炸A
 * Ȃ閾IшÎIȕۏ؂ȂB
 * Β˔ڂ ̃\tgEFA̎gpɂ钼ړIAԐړIA
 * IAȁAT^IȁA邢͕KRIȑQ(gpɂf[^
 * AƖ̒f〈܂Ăv̈⎸A֐i
 * T[rX̓l邪AĂꂾɌ肳Ȃ
 * Q)ɑ΂āAȂ鎖Ԃ̌ƂȂƂĂA_̐
 * C△ߎӔC܂ ȂӔC낤ƂAƂꂪs
 * ŝׂ߂łƂĂA܂͂̂悤ȑQ̉”\
 * ĂƂĂ؂̐ӔC𕉂Ȃ̂ƂB
 */

package jp.gr.java_conf.dangan.util.lha;

//import classes and interfaces

//import exceptions


/**
 * nbV֐񋟂C^[tFCXB<br>
 * <br>
 * RXgN^̌`
 * <pre>
 * HashMethod( byte[] TextBuffer )
 * 
 * <strong>p[^:</strong>
 *   TextBuffer     - LZSSk{f[^̓obt@
 * </pre>
 * ̂悤Ȍ`ɑ邱ƁB<br>
 * ܂Alj̈Ƃ肽ꍇ
 * <pre>
 * HashMethod( byte[] TextBuffer,
 *             Object ExtraData1,
 *             Object ExtraData2 )
 * </pre>
 * ̂悤Ȍ`pB<br>
 * ȂARXgN^̈`FbN͒lj̈ꍇɂ‚čs΂悢B
 * 
 * <pre>
 * -- revision history --
 * $Log: HashMethod.java,v $
 * Revision 1.0  2002/08/05 00:00:00  dangan
 * add to version cotrol
 * [change]
 *     requiredSize()  hashRequires() ɖOύXB
 *     size()  tableSize() OύXB
 * [maintanance]
 *     \[X
 *     ^up~
 *     CZX̏C
 *
 * </pre>
 * 
 * @author  $Author: dangan $
 * @version $Revision: 1.0 $
 */
public interface HashMethod{


    //------------------------------------------------------------------
    //  original method
    //------------------------------------------------------------------
    //  public abstract int hash( int position )
    //  public abstract int hashRequires()
    //  public abstract int tableSize()
    //------------------------------------------------------------------
    /**
     * nbV֐B
     * RXgN^œnꂽ TextBuffer 
     * position ̃f[^p^ hashl𐶐B
     *
     * @param position f[^p^̊Jnʒu
     * 
     * @return nbVl
     */
    public abstract int hash( int position );

    /**
     * nbV֐
     * nbVl𐶐邽߂ɎgpoCg𓾂B
     * 
     * @return nbV֐nbVl
     *         邽߂ɎgpoCg
     */
    public abstract int hashRequires();

    /**
     *  HashMethod gꍇ 
     * HashTable ̃TCY𓾂B
     * 
     * @return  HashMethod gꍇ HashTable ̃TCY
     */
    public abstract int tableSize();

}
//end of HashMethod.java