traderbean.html

ejb20_src_basic.rar

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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, int)"><!-- --></A><H3>
buy</H3>
<PRE>
public <A HREF="../../../../examples/ejb20/basic/statelessSession/TradeResult.html">TradeResult</A> <B>buy</B>(java.lang.String&nbsp;stockSymbol,
                       int&nbsp;shares)</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>stockSymbol</CODE> - String Stock symbol<DD><CODE>shares</CODE> - int Number of shares to buy
<DT><B>Returns:</B><DD>TradeResult Trade Result
                          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 tries to find an instance 
 in the pool. If an instance is found in the pool, it returns its remote 
 reference. Otherwise, it 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 communications or systems failure<DT><B>See Also:</B><DD><A HREF="../../../../examples/ejb20/basic/statelessSession/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="sell(java.lang.String, int)"><!-- --></A><H3>
sell</H3>
<PRE>
public <A HREF="../../../../examples/ejb20/basic/statelessSession/TradeResult.html">TradeResult</A> <B>sell</B>(java.lang.String&nbsp;stockSymbol,
                        int&nbsp;shares)</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>stockSymbol</CODE> - String Stock symbol<DD><CODE>shares</CODE> - int Number of shares to buy
<DT><B>Returns:</B><DD>TradeResult Trade Result
                          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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