traderbean.html

ejb20_src_basic.rar

<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#examples.ejb20.basic.statefulSession.TraderBean.VERBOSE">Constant Field Values</A></DL>
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<B>Constructor Detail</B></FONT></TD>
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<A NAME="TraderBean()"><!-- --></A><H3>
TraderBean</H3>
<PRE>
public <B>TraderBean</B>()</PRE>
<DL>
</DL>

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<B>Method Detail</B></FONT></TD>
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<A NAME="buy(java.lang.String, java.lang.String, int)"><!-- --></A><H3>
buy</H3>
<PRE>
public <A HREF="../../../../examples/ejb20/basic/statefulSession/TradeResult.html">TradeResult</A> <B>buy</B>(java.lang.String&nbsp;customerName,
                       java.lang.String&nbsp;stockSymbol,
                       int&nbsp;shares)
                throws <A HREF="../../../../examples/ejb20/basic/statefulSession/ProcessingErrorException.html">ProcessingErrorException</A></PRE>
<DL>
<DD>Buys shares of a stock for a named customer.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>customerName</CODE> - String Customer name<DD><CODE>stockSymbol</CODE> - String Stock symbol<DD><CODE>shares</CODE> - int Number of shares to buy
<DT><B>Returns:</B><DD>TradeResult Trade Result
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../examples/ejb20/basic/statefulSession/ProcessingErrorException.html">ProcessingErrorException</A></CODE> - if there is an error while buying the shares</DL>
</DD>
</DL>
<HR>

<A NAME="ejbActivate()"><!-- --></A><H3>
ejbActivate</H3>
<PRE>
public void <B>ejbActivate</B>()</PRE>
<DL>
<DD>This method is required by the EJB Specification,
 but is not used by this example.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>ejbActivate</CODE> in interface <CODE>javax.ejb.SessionBean</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="ejbCreate()"><!-- --></A><H3>
ejbCreate</H3>
<PRE>
public void <B>ejbCreate</B>()
               throws javax.ejb.CreateException</PRE>
<DL>
<DD>This method corresponds to the create method in the home interface
 "TraderHome.java".
 The parameter sets of the two methods are identical. When the client calls
 <code>TraderHome.create()</code>, the container allocates an instance of 
 the EJBean and calls <code>ejbCreate()</code>.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>javax.ejb.CreateException</CODE> - if there is a problem creating the bean<DT><B>See Also:</B><DD><A HREF="../../../../examples/ejb20/basic/statefulSession/Trader.html"><CODE>Trader</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="ejbPassivate()"><!-- --></A><H3>
ejbPassivate</H3>
<PRE>
public void <B>ejbPassivate</B>()</PRE>
<DL>
<DD>This method is required by the EJB Specification,
 but is not used by this example.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>ejbPassivate</CODE> in interface <CODE>javax.ejb.SessionBean</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="ejbRemove()"><!-- --></A><H3>
ejbRemove</H3>
<PRE>
public void <B>ejbRemove</B>()</PRE>
<DL>
<DD>This method is required by the EJB Specification,
 but is not used by this example.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>ejbRemove</CODE> in interface <CODE>javax.ejb.SessionBean</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getBalance()"><!-- --></A><H3>
getBalance</H3>
<PRE>
public double <B>getBalance</B>()</PRE>
<DL>
<DD>Returns the current balance of a trading session.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>double Balance</DL>
</DD>
</DL>
<HR>

<A NAME="getStockPrice(java.lang.String)"><!-- --></A><H3>
getStockPrice</H3>
<PRE>
public double <B>getStockPrice</B>(java.lang.String&nbsp;stockSymbol)
                     throws <A HREF="../../../../examples/ejb20/basic/statefulSession/ProcessingErrorException.html">ProcessingErrorException</A></PRE>
<DL>
<DD>Returns the stock price for a given stock.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>stockSymbol</CODE> - String Stock symbol
<DT><B>Returns:</B><DD>double Stock price
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../examples/ejb20/basic/statefulSession/ProcessingErrorException.html">ProcessingErrorException</A></CODE> - if there is an error while checking the price</DL>
</DD>
</DL>
<HR>

<A NAME="sell(java.lang.String, java.lang.String, int)"><!-- --></A><H3>
sell</H3>
<PRE>
public <A HREF="../../../../examples/ejb20/basic/statefulSession/TradeResult.html">TradeResult</A> <B>sell</B>(java.lang.String&nbsp;customerName,
                        java.lang.String&nbsp;stockSymbol,
                        int&nbsp;shares)
                 throws <A HREF="../../../../examples/ejb20/basic/statefulSession/ProcessingErrorException.html">ProcessingErrorException</A></PRE>
<DL>
<DD>Sells shares of a stock for a named customer.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>customerName</CODE> - String Customer name<DD><CODE>stockSymbol</CODE> - String Stock symbol<DD><CODE>shares</CODE> - int Number of shares to buy
<DT><B>Returns:</B><DD>TradeResult Trade Result
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../examples/ejb20/basic/statefulSession/ProcessingErrorException.html">ProcessingErrorException</A></CODE> - if there is an error while selling the shares</DL>
</DD>
</DL>
<HR>

<A NAME="setSessionContext(javax.ejb.SessionContext)"><!-- --></A><H3>
setSessionContext</H3>
<PRE>
public void <B>setSessionContext</B>(javax.ejb.SessionContext&nbsp;ctx)</PRE>
<DL>
<DD>Sets the session context.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>setSessionContext</CODE> in interface <CODE>javax.ejb.SessionBean</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ctx</CODE> - SessionContext Context for session</DL>
</DD>
</DL>
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