package org.rosuda.ibase;

/** messages passed with NotifyAllDep
    @version $Id$ */
public class NotifyMsg {
    Object source;
    int    messageID;
    String cmd;
    Object[] par;

    public NotifyMsg(Object src, int msgid, String command, Object[] params) {
        source=src; messageID=msgid; cmd=command; par=params;	
    }

    public NotifyMsg(Object src, int msgid, String command) {
	this(src, msgid, command, null);
    }

    public NotifyMsg(Object src, int msgid) {
	this(src, msgid, null, null);
    }

    public NotifyMsg(Object src) {
        this(src, 0, null, null);
    }

    public Object getSource() {
        return source;
    }

    public int getMessageID() {
        return messageID;
    }

    public String getCommand() {
	return cmd;
    }

    public Object[] getParams() {
	return par;
    }

    public int parCount() {
	return (par==null)?0:par.length;
    }

    public Object parAt(int pos) {
	return (par==null||pos<0||pos>=par.length)?null:par[pos];
    }

    public int parI(int pos) {
	return (par==null||pos<0||pos>=par.length)?0:(((Number)par[pos]).intValue());
    }

    public double parD(int pos) {
	return (par==null||pos<0||pos>=par.length)?0:(((Number)par[pos]).doubleValue());
    }

    public String parS(int pos) {
	return (par==null||pos<0||pos>=par.length)?null:(par[pos].toString());
    }

    public String toString() {
        return "NotifyMsg["+messageID+"]from["+source+"]";
    }
}