// Copyright 2001, FreeHEP.
package org.freehep.util.io;

/**
 * Keeps the actionCode and Length of a specific action. To be used in the
 * TaggedInputStream to return the actionCode and Length, and in the
 * TaggedOutputStream to write them.
 * 
 * @author Mark Donszelmann
 * @author Charles Loomis
 * @version $Id: ActionHeader.java 8584 2006-08-10 23:06:37Z duns $
 */
public class ActionHeader {

    int actionCode;

    long length;

    /**
     * Creates an action header
     * 
     * @param actionCode code for action
     * @param length total length of the tag
     */
    public ActionHeader(int actionCode, long length) {
        this.actionCode = actionCode;
        this.length = length;
    }

    /**
     * Sets the action code
     * 
     * @param actionCode new action code
     */
    public void setAction(int actionCode) {
        this.actionCode = actionCode;
    }

    /**
     * @return action code
     */
    public int getAction() {
        return actionCode;
    }

    /**
     * Sets the length of this tag
     * 
     * @param length new length
     */
    public void setLength(long length) {
        this.length = length;
    }

    /**
     * @return length of this tag
     */
    public long getLength() {
        return length;
    }
}