User: user57
Date: 01/10/02 14:34:56
Added: src/main/org/jboss/survey/ejb/session
SequenceGeneratorBean.java
SurveyManagementBean.java
Log:
o moved jboss-website/website/survey to jboss-website/survey (it's own
module)
Revision Changes Path
1.1
website-survey/src/main/org/jboss/survey/ejb/session/SequenceGeneratorBean.java
Index: SequenceGeneratorBean.java
===================================================================
/*
* JBoss, the OpenSource J2EE webOS
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package org.jboss.survey.ejb.session;
import java.rmi.RemoteException;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.ejb.CreateException;
import javax.ejb.EJBException;
import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;
import org.jboss.survey.ejb.Debug;
import org.jboss.survey.exception.ServiceUnavailableException;
/**
* Encapsulates the retrival of DB data
*
* @author Andreas Schaefer
* @version $Revision: 1.1 $
*
* @ejb:bean name="jboss/survey/SequenceGenerator"
* display-name="Generates unique Identifier for an Entity"
* type="Stateless"
* jndi-name="ejb/jboss/survey/SequenceGenerator"
* @ejb:env-entry name="DataSource_Name"
* value="SurveyDS"
* @ejb:resource_ref res-name="jdbc/SurveyDS"
*/
public class SequenceGeneratorBean
implements SessionBean
{
// -------------------------------------------------------------------------
// Static
// -------------------------------------------------------------------------
// -------------------------------------------------------------------------
// Members
// -------------------------------------------------------------------------
private SessionContext mContext;
// Only for test purposes
private int mNextNumber = 0;
// -------------------------------------------------------------------------
// Methods
// -------------------------------------------------------------------------
/**
* Delivers the next sequence number from the given Sequence Name
*
* @param pSequenceName Name of the Sequence Generator
*
* @return Next sequence number
*
* @throws RemoteException
*
* @ejb:interface-method view-type="remote"
**/
public int getNextNumber( String pSequenceName )
throws
ServiceUnavailableException,
RemoteException
{
Connection aConnection = null;
Statement aStatement = null;
try
{
// Get the Home Interface
Context aJNDIContext = new InitialContext();
String lDataSourceName = (String) aJNDIContext.lookup(
"java:comp/env/DataSource_Name"
);
// Get the Datasource
DataSource aSource = (DataSource) aJNDIContext.lookup( "java:/" +
lDataSourceName );
// Get JDBC Connection, create statement and get the result to return
aConnection = aSource.getConnection();
aStatement = aConnection.createStatement();
String aSql = "SELECT Nextval( '" + pSequenceName + "' ) ";
if( Debug.LEVEL >= Debug.REGULAR ) System.err.println( "Sql Statement: " +
aSql );
ResultSet aResult = aStatement.executeQuery( aSql );
if( aResult.next() )
{
return aResult.getInt( 1 );
}
else
{
return -1;
}
/* AS Hypersonic Way
// Get the Home Interface
Context aJNDIContext = new InitialContext();
// Get the Datasource
DataSource aSource = (DataSource) aJNDIContext.lookup( "java:/DefaultDS" );
// Get JDBC Connection, create statement and get the result to return
aConnection = aSource.getConnection();
aStatement = aConnection.createStatement();
//AS This is only working for a demo because two threads could get the same
//AS Sequence Number because of multi threading
String aSql = "SELECT MAX( id ) FROM " + pSequenceName;
if( Debug.LEVEL >= Debug.REGULAR ) System.err.println( "Sql Statement: " +
aSql );
ResultSet aResult = aStatement.executeQuery( aSql );
int lResult = -1;
if( aResult.next() ) {
lResult = aResult.getInt( 1 );
if( Debug.LEVEL >= Debug.REGULAR ) System.out.println( "Found maximum ID
ffrom Survey: " + lResult );
if( lResult <= 0 ) {
lResult = 1;
}
}
return lResult + 1;
*/
}
catch( SQLException se )
{
se.printStackTrace( System.err );
throw new ServiceUnavailableException ( "Sequence number is broken" );
}
catch( NamingException ne )
{
ne.printStackTrace( System.err );
throw new ServiceUnavailableException ( "JNDI Lookup broken" );
}
finally
{
try
{
if( aStatement != null )
{
aStatement.close();
}
if( aConnection != null )
{
aConnection.close();
}
}
catch( Exception e )
{
e.printStackTrace( System.err );
try
{
if( aConnection != null )
{
aConnection.close();
}
}
catch( Exception e2 )
{
e2.printStackTrace( System.err );
}
}
}
}
/**
* Create the Session Bean
*
* @throws CreateException
*
* @ejb:create-method view-type="remote"
**/
public void ejbCreate()
throws
CreateException
{
}
/**
* Describes the instance and its content for debugging purpose
*
* @return Debugging information about the instance and its content
**/
public String toString()
{
return "SequenceGeneratorBean [ " + " ]";
}
// -------------------------------------------------------------------------
// Framework Callbacks
// -------------------------------------------------------------------------
/**
* Set the associated session context. The container invokes this method on
* an instance after the instance has been created.
* <p>This method is called with no transaction context.
*
* @param aContext A SessionContext interface for the instance. The instance
* should store the reference to the context in an instance variable.
* @throws EJBException Should something go wrong while seting the context,
* an EJBException will be thrown.
**/
public void setSessionContext( SessionContext aContext )
throws EJBException
{
mContext = aContext;
}
/**
* The activate method is called when the instance is activated from its
* "passive" state. The instance should acquire any resource that it has
* released earlier in the ejbPassivate() method.
* <p>This method is called with no transaction context.
*
* @throws EJBException Thrown by the method to indicate a failure caused
* by a system-level error
**/
public void ejbActivate()
throws EJBException
{
}
/**
* The passivate method is called before the instance enters the "passive"
* state. The instance should release any resources that it can re-acquire
* later in the ejbActivate() method.
* <p>After the passivate method completes, the instance must be in a state
* that allows the container to use the Java Serialization protocol to
* externalize and store away the instance's state.
* <p>This method is called with no transaction context.
*
* @throws EJBException Thrown by the method to indicate a failure caused
* by a system-level error
**/
public void ejbPassivate()
throws EJBException
{
}
/**
* A container invokes this method before it ends the life of the session
* object. This happens as a result of a client's invoking a remove
* operation, or when a container decides to terminate the session object
* after a timeout.
* <p>This method is called with no transaction context.
*
* @throws EJBException Thrown by the method to indicate a failure caused
* by a system-level error
**/
public void ejbRemove()
throws EJBException
{
}
}
// ----------------------------------------------------------------------------
// EOF
1.1
website-survey/src/main/org/jboss/survey/ejb/session/SurveyManagementBean.java
Index: SurveyManagementBean.java
===================================================================
// ----------------------------------------------------------------------------
// File: SurveyManagementBean.java
// Copyright ( c ) 2001 eBuilt, Inc. All rights reserved.
// Version: $Revision: 1.1 $
// Last Checked In: $Date: 2001/10/02 21:34:56 $
// Last Checked In By: $Author: user57 $
// ----------------------------------------------------------------------------
package org.jboss.survey.ejb.session;
import org.jboss.survey.ejb.Debug;
import org.jboss.survey.ejb.entity.Survey;
import org.jboss.survey.ejb.entity.SurveyBean;
import org.jboss.survey.ejb.entity.SurveyData;
import org.jboss.survey.ejb.entity.SurveyHome;
import org.jboss.survey.ejb.entity.SurveyPK;
import org.jboss.survey.ejb.entity.User;
import org.jboss.survey.ejb.entity.UserBean;
import org.jboss.survey.ejb.entity.UserData;
import org.jboss.survey.ejb.entity.UserHome;
import org.jboss.survey.ejb.entity.UserPK;
import org.jboss.survey.exception.InvalidValueException;
import org.jboss.survey.exception.ServiceUnavailableException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.rmi.RemoteException;
import javax.mail.Session;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.InternetAddress;
import javax.mail.Transport;
import javax.mail.Address;
import javax.mail.Message;
import javax.ejb.CreateException;
import javax.ejb.EJBException;
import javax.ejb.FinderException;
import javax.ejb.RemoveException;
import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
/**
* Contains all the business logic around the Surveys management.
*
* @author Andreas Schaefer
* @version $Revision: 1.1 $
*
* @ejb:bean name="jboss/survey/SurveyManagement"
* display-name="JBoss Survey Business Logic Session Bean"
* type="Stateless"
* jndi-name="ejb/jboss/survey/SurveyManagement"
* @ejb:ejb-ref ejb-name="jboss/survey/Survey"
* @ejb:ejb-ref ejb-name="jboss/survey/User"
* @ejb:resource-ref res-name="mail/Mail"
* res-type="javax.mail.Session"
* res-auth="Container"
*
* @--ejb:jndi-name ejb/jboss/survey/SurveyManagement
* @jboss:resource-manager res-man-class="javax.mail.Session"
* res-man-jndi-name="mail/Mail"
* res-man-name="Mail"
**/
public class SurveyManagementBean
implements SessionBean
{
// -------------------------------------------------------------------------
// Static
// -------------------------------------------------------------------------
// -------------------------------------------------------------------------
// Members
// -------------------------------------------------------------------------
private SessionContext mContext;
// -------------------------------------------------------------------------
// Methods
// -------------------------------------------------------------------------
/**
* Returns the all the available Surveys
*
* @return Survey Value Object List
*
* @throws ServiceUnavailable If the service is unaccessible or unusable
* @throws RemoteException Necessary for a EJB
*
* @ejb:interface-method view-type="remote"
**/
public Collection getSurveys()
throws
ServiceUnavailableException,
RemoteException
{
try {
// Get the Home Interface
Context aJNDIContext = new InitialContext();
SurveyHome aHome = (SurveyHome) aJNDIContext.lookup(
"java:comp/env/ejb/jboss/survey/Survey" );
Iterator i = ( (Collection) aHome.findAll() ).iterator();
Collection lReturn = new ArrayList();
while( i.hasNext() ) {
Survey lSurvey = (Survey) i.next();
lReturn.add( lSurvey.getValueObject() );
}
return lReturn;
}
catch( NamingException ne ) {
throw new ServiceUnavailableException( "Service Lookup is broken" );
}
catch( FinderException fe ) {
throw new ServiceUnavailableException( "Could not find all Surveys" );
}
}
/**
* Returns the requested Survey
*
* @param pSurveyId Id of the requested Survey
*
* @return Survey Value Object
*
* @throws InvalidValueException If the requested Survey could not be found
* @throws ServiceUnavailable If the service is unaccessible or unusable
* @throws RemoteException Necessary for a EJB
*
* @ejb:interface-method view-type="remote"
**/
public SurveyData getSurvey( int pSurveyId )
throws
InvalidValueException,
ServiceUnavailableException,
RemoteException
{
try {
// Get the Home Interface
Context aJNDIContext = new InitialContext();
SurveyHome aHome = (SurveyHome) aJNDIContext.lookup(
"java:comp/env/ejb/jboss/survey/Survey" );
// Get the pae by its id
Survey aSurvey = (Survey) aHome.findByPrimaryKey( new SurveyPK( pSurveyId )
);
return aSurvey.getValueObject();
}
catch( NamingException ne ) {
throw new ServiceUnavailableException( "Service Lookup is broken" );
}
catch( FinderException fe ) {
throw new InvalidValueException( "id.invalid", new String[] { "Survey",
"Id" } );
}
}
/**
* Saves the given Survey (either create or edit the existing one)
*
* @param pSurvey Survey Value Object containing the Survey Information
*
* @return Updated Survey Data
*
* @throws InvalidValueException If the given Survey content is invalid
* @throws ServiceUnavailable If the service is unaccessible or unusable
* @throws RemoteException Necessary for a EJB
*
* @ejb:interface-method view-type="remote"
**/
public SurveyData saveSurvey( SurveyData pSurvey )
throws
InvalidValueException,
ServiceUnavailableException,
RemoteException
{
try {
// Get the Home Interface
Context aJNDIContext = new InitialContext();
SurveyHome aHome = (SurveyHome) aJNDIContext.lookup(
"java:comp/env/ejb/jboss/survey/Survey" );
// Get the Entity Bean and save the Survey
Survey aSurvey;
if( pSurvey.getId() <= 0 ) {
aSurvey = aHome.create( pSurvey );
} else {
SurveyPK aPK = new SurveyPK( pSurvey.getId() );
aSurvey = (Survey) aHome.findByPrimaryKey( aPK );
aSurvey.setValueObject( pSurvey );
}
try {
UserHome aUserHome = (UserHome) aJNDIContext.lookup(
"java:comp/env/ejb/jboss/survey/User" );
User aUser = aUserHome.findByPrimaryKey( new UserPK( pSurvey.getUserId()
) );
UserData aUserData = aUser.getValueObject();
if( aUserData.getEmail() != null && !aUserData.getEmail().equals( "" ) )
{
Session lSession = (Session) new InitialContext().lookup( "java:Mail"
);;
MimeMessage lMessage = new MimeMessage( lSession );
lMessage.setFrom();
Address[] lTo = new InternetAddress[] {
new InternetAddress( aUserData.getEmail() )
};
lMessage.setRecipients( Message.RecipientType.TO, lTo );
lMessage.setSubject( "Thank you for your support" );
lMessage.setSentDate( new java.util.Date() );
lMessage.setContent(
"You added this information in our survey:\n " +
pSurvey + "\n\nSee you later, the JBoss Open-Source project.",
"text/plain"
);
Transport.send( lMessage );
}
}
catch( Exception e ) {
e.printStackTrace();
}
return aSurvey.getValueObject();
}
catch( NamingException ne ) {
ne.printStackTrace( System.err );
throw new ServiceUnavailableException( "Service Lookup is broken" );
}
catch( CreateException ce ) {
ce.printStackTrace();
throw new ServiceUnavailableException( "Survey could not be created" );
}
catch( FinderException fe ) {
throw new InvalidValueException( "id.invalid", new String[] { "Survey",
"Id" } );
}
}
/**
* Removes the given Survey
*
* @param pSurveyId Survey ID of the Survey to be delete
*
* @throws InvalidValueException If the given Survey ID is not valid or Survey not
found
* @throws ServiceUnavailable If the service is unaccessible or unusable
* @throws RemoteException Necessary for a EJB
*
* @ejb:interface-method view-type="remote"
**/
public void removeSurvey( int pSurveyId )
throws
InvalidValueException,
ServiceUnavailableException,
RemoteException
{
try {
if( pSurveyId <= 0 ) {
throw new InvalidValueException( "wrong.id", "Survey Id" );
}
// Get the Home Interface
Context aJNDIContext = new InitialContext();
SurveyHome aHome = (SurveyHome) aJNDIContext.lookup(
"java:comp/env/ejb/jboss/survey/Survey" );
// Get the Survey Bean and remove it
SurveyPK aPK = new SurveyPK( pSurveyId );
Survey aSurvey = (Survey) aHome.findByPrimaryKey( aPK );
// Now remove it
aSurvey.remove();
}
catch( NamingException ne ) {
throw new ServiceUnavailableException( "Service Lookup is broken" );
}
catch( FinderException fe ) {
throw new InvalidValueException( "id.invalid", new String[] { "Survey",
"Id" } );
}
catch( RemoveException re ) {
throw new ServiceUnavailableException( "Survey could not be removed" );
}
}
/**
* Returns the requested User
*
* @param pUserId Id of the requested User
*
* @return User Value Object
*
* @throws InvalidValueException If the requested User could not be found
* @throws ServiceUnavailable If the service is unaccessible or unusable
* @throws RemoteException Necessary for a EJB
*
* @ejb:interface-method view-type="remote"
**/
public UserData getUser( int pUserId )
throws
InvalidValueException,
ServiceUnavailableException,
RemoteException
{
try {
// Get the Home Interface
Context aJNDIContext = new InitialContext();
UserHome aHome = (UserHome) aJNDIContext.lookup(
"java:comp/env/ejb/jboss/survey/User" );
// Get the pae by its id
User aUser = (User) aHome.findByPrimaryKey( new UserPK( pUserId ) );
return aUser.getValueObject();
}
catch( NamingException ne ) {
throw new ServiceUnavailableException( "Service Lookup is broken" );
}
catch( FinderException fe ) {
throw new InvalidValueException( "id.invalid", new String[] { "User", "Id"
} );
}
}
/**
* Returns a list of Users according to the given Search Criteria
*
* @param pSupportCriteria
* @param pSizeCriteria
* @param pTypeCriteria
*
* @return List of found users which can be empty but never null
*
* @throws InvalidValueException If the requested User could not be found
* @throws ServiceUnavailable If the service is unaccessible or unusable
* @throws RemoteException Necessary for a EJB
*
* @ejb:interface-method view-type="remote"
**/
public Collection getUsers( int pSupportCriteria, int pSizeCriteria, int
pTypeCriteria )
throws
InvalidValueException,
ServiceUnavailableException,
RemoteException
{
try {
// Get the Home Interface
Context aJNDIContext = new InitialContext();
UserHome aHome = (UserHome) aJNDIContext.lookup(
"java:comp/env/ejb/jboss/survey/User" );
//AS ToDo: Right now I have no idea how to make this seach happeing except
// gettting all users and selected them here
Collection lUsers = aHome.findAll();
Iterator i = lUsers.iterator();
Collection lReturn = new ArrayList();
while( i.hasNext() ) {
UserData lUser = ( (User) i.next() ).getValueObject();
if( pSupportCriteria > 0 ) {
if( ( lUser.getSupport() & pSupportCriteria ) <= 0 ) {
i.remove();
continue;
}
}
if( pSizeCriteria > 0 ) {
switch( lUser.getNrOfEmployees() ) {
case 0:
if( ( pSizeCriteria & 1 ) == 0 ) {
i.remove();
continue;
}
break;
case 1:
if( ( pSizeCriteria & 2 ) == 0 ) {
i.remove();
continue;
}
break;
case 2:
if( ( pSizeCriteria & 4 ) == 0 ) {
i.remove();
continue;
}
break;
case 4:
if( ( pSizeCriteria & 8 ) == 0 ) {
i.remove();
continue;
}
break;
case 40:
if( ( pSizeCriteria & 16 ) == 0 ) {
i.remove();
continue;
}
break;
}
}
if( pTypeCriteria > 0 ) {
if( ( lUser.getIndustryType() & pTypeCriteria ) <= 0 ) {
i.remove();
continue;
}
}
lReturn.add( lUser );
}
return lReturn;
}
catch( NamingException ne ) {
throw new ServiceUnavailableException( "Service Lookup is broken" );
}
catch( FinderException fe ) {
throw new InvalidValueException( "id.invalid", new String[] { "User", "Id"
} );
}
}
/**
* Returns the requested User
*
* @param pEmail Email address of the user
* @param pPassword Password of the user
*
* @return User Value Object
*
* @throws InvalidValueException If the requested User could not be found
* @throws ServiceUnavailable If the service is unaccessible or unusable
* @throws RemoteException Necessary for a EJB
*
* @ejb:interface-method view-type="remote"
**/
public UserData getUser( String pEmail, String pPassword )
throws
InvalidValueException,
ServiceUnavailableException,
RemoteException
{
try {
// Get the Home Interface
Context aJNDIContext = new InitialContext();
UserHome aHome = (UserHome) aJNDIContext.lookup(
"java:comp/env/ejb/jboss/survey/User" );
// Get the pae by its id
User aUser = (User) aHome.findByEmailAndPassword( pEmail, pPassword );
return aUser.getValueObject();
}
catch( NamingException ne ) {
throw new ServiceUnavailableException( "Service Lookup is broken" );
}
catch( FinderException fe ) {
fe.printStackTrace();
throw new InvalidValueException( "user.notFound", new String[] { "User",
pEmail, pPassword } );
}
}
/**
* Saves the given User (either create or edit the existing one)
*
* @param pUser User Value Object containing the User Information
*
* @return Updated User Data
*
* @throws InvalidValueException If the given User content is invalid
* @throws ServiceUnavailable If the service is unaccessible or unusable
* @throws RemoteException Necessary for a EJB
*
* @ejb:interface-method view-type="remote"
**/
public UserData saveUser( UserData pUser )
throws
InvalidValueException,
ServiceUnavailableException,
RemoteException
{
try {
// Get the Home Interface
Context aJNDIContext = new InitialContext();
UserHome aHome = (UserHome) aJNDIContext.lookup(
"java:comp/env/ejb/jboss/survey/User" );
// Get the Entity Bean and save the User
User aUser;
if( pUser.getId() <= 0 ) {
aUser = aHome.create( pUser );
} else {
UserPK aPK = new UserPK( pUser.getId() );
aUser = (User) aHome.findByPrimaryKey( aPK );
aUser.setValueObject( pUser );
}
return aUser.getValueObject();
}
catch( NamingException ne ) {
ne.printStackTrace( System.err );
throw new ServiceUnavailableException( "Service Lookup is broken" );
}
catch( CreateException ce ) {
ce.printStackTrace();
throw new ServiceUnavailableException( "User could not be created" );
}
catch( FinderException fe ) {
throw new InvalidValueException( "id.invalid", new String[] { "User", "Id"
} );
}
}
/**
* Removes the given User
*
* @param pUserId User ID of the User to be delete
*
* @throws InvalidValueException If the given User ID is not valid or User not
found
* @throws ServiceUnavailable If the service is unaccessible or unusable
* @throws RemoteException Necessary for a EJB
*
* @ejb:interface-method view-type="remote"
**/
public void removeUser( int pUserId )
throws
InvalidValueException,
ServiceUnavailableException,
RemoteException
{
try {
if( pUserId <= 0 ) {
throw new InvalidValueException( "wrong.id", "User Id" );
}
// Get the Home Interface
Context aJNDIContext = new InitialContext();
UserHome aHome = (UserHome) aJNDIContext.lookup(
"java:comp/env/ejb/jboss/survey/User" );
// Get the User Bean and remove it
UserPK aPK = new UserPK( pUserId );
User aUser = (User) aHome.findByPrimaryKey( aPK );
// Now remove it
aUser.remove();
}
catch( NamingException ne ) {
throw new ServiceUnavailableException( "Service Lookup is broken" );
}
catch( FinderException fe ) {
throw new InvalidValueException( "id.invalid", new String[] { "User", "Id"
} );
}
catch( RemoveException re ) {
throw new ServiceUnavailableException( "User could not be removed" );
}
}
/**
* Sends an email to the given User
*
* @ejb:interface-method view-type="remote"
**/
public void sendEmail(
String pFromAddress,
String pFromName,
String pToAddress,
String pSubject,
String pEmail
) throws
RemoteException
{
try {
Session lSession = (Session) new InitialContext().lookup( "java:Mail" );;
MimeMessage lMessage = new MimeMessage( lSession );
lMessage.setFrom(
new InternetAddress( pFromAddress )
);
Address[] lTo = new InternetAddress[] {
new InternetAddress( pToAddress )
};
lMessage.setRecipients( Message.RecipientType.TO, lTo );
lMessage.setSubject( pSubject );
lMessage.setSentDate( new java.util.Date() );
lMessage.setContent( pEmail, "text/plain" );
Transport.send( lMessage );
}
catch( Exception e ) {
throw new RemoteException( e.getMessage() );
}
}
/**
* Create the Session Bean
*
* @throws CreateException
*
* @ejb:create-method view-type="remote"
**/
public void ejbCreate()
throws
CreateException
{
}
/**
* Describes the instance and its content for debugging purpose
*
* @return Debugging information about the instance and its content
**/
public String toString()
{
return "SurveyManagementBean [ " + " ]";
}
// -------------------------------------------------------------------------
// Framework Callbacks
// -------------------------------------------------------------------------
/**
* Set the associated session context. The container invokes this method on
* an instance after the instance has been created.
* <p>This method is called with no transaction context.
*
* @param aContext A SessionContext interface for the instance. The instance
* should store the reference to the context in an instance variable.
* @throws EJBException Should something go wrong while seting the context,
* an EJBException will be thrown.
**/
public void setSessionContext( SessionContext aContext )
throws
EJBException
{
mContext = aContext;
}
/**
* The activate method is called when the instance is activated from its
* "passive" state. The instance should acquire any resource that it has
* released earlier in the ejbPassivate() method.
* <p>This method is called with no transaction context.
*
* @throws EJBException Thrown by the method to indicate a failure caused
* by a system-level error
**/
public void ejbActivate()
throws
EJBException
{
}
/**
* The passivate method is called before the instance enters the "passive"
* state. The instance should release any resources that it can re-acquire
* later in the ejbActivate() method.
* <p>After the passivate method completes, the instance must be in a state
* that allows the container to use the Java Serialization protocol to
* externalize and store away the instance's state.
* <p>This method is called with no transaction context.
*
* @throws EJBException Thrown by the method to indicate a failure caused
* by a system-level error
**/
public void ejbPassivate()
throws
EJBException
{
}
/**
* A container invokes this method before it ends the life of the session
* object. This happens as a result of a client's invoking a remove
* operation, or when a container decides to terminate the session object
* after a timeout.
* <p>This method is called with no transaction context.
*
* @throws EJBException Thrown by the method to indicate a failure caused
* by a system-level error
**/
public void ejbRemove()
throws
EJBException
{
}
}
// ----------------------------------------------------------------------------
// EOF
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