org.mmbase.module.core
Class TransactionManager

java.lang.Object
  org.mmbase.module.core.TransactionManager

All Implemented Interfaces:

TransactionManagerInterface

public class TransactionManager

extends Object

implements TransactionManagerInterface

Version:

$Id: TransactionManager.java,v 1.34 2006/07/06 11:24:44 michiel Exp $

Author:

Rico Jansen

Warning: No Java Documentation Available.

Field Summary

static String	EXISTS_NO
static String	EXISTS_NOLONGER
static String	EXISTS_YES
static int	I_EXISTS_NO
static int	I_EXISTS_NOLONGER
static int	I_EXISTS_YES
protected TransactionResolver	transactionResolver
protected Map	transactions

Constructor Summary

TransactionManager(MMBase mmbase, TemporaryNodeManagerInterface tmpn)

Method Summary

String	addNode(String transactionName, String owner, String tmpnumber)
String	cancel(Object user, String transactionName)
String	commit(Object user, String transactionName)
String	create(Object user, String transactionName) Deprecated. Use createTransaction(java.lang.String)
Collection	createTransaction(String transactionName) Creates transaction with given name.
String	deleteObject(String transactionName, String owner, String tmpnumber)
protected Collection	deleteTransaction(String transactionName) Removes the transaction with given name
String	findUserName(Object user)
Collection	get(Object user, String transactionName) Deprecated. use getTransaction(java.lang.String)
Vector	getNodes(Object user, String transactionName) Deprecated. use getTransaction(java.lang.String)
Collection	getTransaction(String transactionName) Returns transaction with given name.
String	removeNode(String transactionName, String owner, String tmpnumber)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EXISTS_NO

public static final String EXISTS_NO

See Also:

Constant Field Values

I_EXISTS_NO

public static final int I_EXISTS_NO

See Also:

Constant Field Values

EXISTS_YES

public static final String EXISTS_YES

See Also:

Constant Field Values

I_EXISTS_YES

public static final int I_EXISTS_YES

See Also:

Constant Field Values

EXISTS_NOLONGER

public static final String EXISTS_NOLONGER

See Also:

Constant Field Values

I_EXISTS_NOLONGER

public static final int I_EXISTS_NOLONGER

See Also:

Constant Field Values

transactions

protected Map transactions

transactionResolver

protected TransactionResolver transactionResolver

Constructor Detail

TransactionManager

public TransactionManager(MMBase mmbase,
                          TemporaryNodeManagerInterface tmpn)

Method Detail

getTransaction

public Collection getTransaction(String transactionName)
                          throws TransactionManagerException

Returns transaction with given name.

Parameters:

transactionName - The name of the transaction to return

Returns:

Collection containing the nodes in this transaction (as MMObjectNodes).

Throws:

TransactionManagerExcpeption - if the transaction with given name does not exist

TransactionManagerException

createTransaction

public Collection createTransaction(String transactionName)
                             throws TransactionManagerException

Creates transaction with given name.

Parameters:

transactionName - The name of the transaction to return

Returns:

Collection containing the nodes in this transaction (so, this is an empty collection)

Throws:

TransactionManagerExcpeption - if the transaction with given name existed already

TransactionManagerException

deleteTransaction

protected Collection deleteTransaction(String transactionName)

Removes the transaction with given name

Returns:

the collection with nodes from the removed transaction or null if no transaction with this name existed

getNodes

public Vector getNodes(Object user,
                       String transactionName)

Deprecated. use getTransaction(java.lang.String)

Specified by:

getNodes in interface TransactionManagerInterface

create

public String create(Object user,
                     String transactionName)
              throws TransactionManagerException

Deprecated. Use createTransaction(java.lang.String)

Creates a new transaction with given name

Specified by:

create in interface TransactionManagerInterface

Parameters:

user - This parameter is ignored (WTF!)

transactionName - The name of the transaction to create

Returns:

transactionName

Throws:

TransactionManagerExcpeption - if the transaction with given name already existed

TransactionManagerException

get

public Collection get(Object user,
                      String transactionName)
               throws TransactionManagerException

Deprecated. use getTransaction(java.lang.String)

Returns the (existing) transaction with given name.

Parameters:

user - This parameter is ignored (WTF!)

transactionName - The name of the transaction to return

Throws:

TransactionManagerExcpeption - if the transaction with given name does not exist

TransactionManagerException

addNode

public String addNode(String transactionName,
                      String owner,
                      String tmpnumber)
               throws TransactionManagerException

Specified by:

addNode in interface TransactionManagerInterface

Throws:

TransactionManagerException

removeNode

public String removeNode(String transactionName,
                         String owner,
                         String tmpnumber)
                  throws TransactionManagerException

Specified by:

removeNode in interface TransactionManagerInterface

Throws:

TransactionManagerException

deleteObject

public String deleteObject(String transactionName,
                           String owner,
                           String tmpnumber)
                    throws TransactionManagerException

Specified by:

deleteObject in interface TransactionManagerInterface

Throws:

TransactionManagerException

cancel

public String cancel(Object user,
                     String transactionName)
              throws TransactionManagerException

Specified by:

cancel in interface TransactionManagerInterface

Throws:

TransactionManagerException

commit

public String commit(Object user,
                     String transactionName)
              throws TransactionManagerException

Specified by:

commit in interface TransactionManagerInterface

Throws:

TransactionManagerException

findUserName

public String findUserName(Object user)

Specified by:

findUserName in interface TransactionManagerInterface