org.xmlBlaster.contrib.db
Class DbStorage

java.lang.Object
  org.xmlBlaster.contrib.db.DbStorage

public class DbStorage

extends java.lang.Object

DbStorage

Author:

Michele Laghi

Constructor Summary

DbStorage(I_Info info, I_DbPool pool, java.lang.String context)

Method Summary

boolean	addProperty(org.xmlBlaster.util.qos.ClientProperty prop) Adds a new property to the Table.
int	clean() Removes all the properties of this context.
java.util.Set	getKeys()
org.xmlBlaster.util.qos.ClientProperty	getProperty(java.lang.String key) Modifies an existing property.
boolean	modifyProperty(org.xmlBlaster.util.qos.ClientProperty prop) Modifies an existing property.
void	put(org.xmlBlaster.util.qos.ClientProperty prop) This method tries first to update the entry.
boolean	remove(java.lang.String key) Removes the property with the given key.

Methods inherited from class java.lang.Object

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

Constructor Detail

DbStorage

public DbStorage(I_Info info,
                 I_DbPool pool,
                 java.lang.String context)
          throws java.lang.Exception

Method Detail

addProperty

public boolean addProperty(org.xmlBlaster.util.qos.ClientProperty prop)
                    throws java.lang.Exception

Adds a new property to the Table. If the entry already exists, an exception is thrown.

Parameters:

prop -

Throws:

java.lang.Exception

modifyProperty

public boolean modifyProperty(org.xmlBlaster.util.qos.ClientProperty prop)
                       throws java.lang.Exception

Modifies an existing property. If the property does not exist, an exception is thrown.

Parameters:

prop -

Throws:

java.lang.Exception

getProperty

public org.xmlBlaster.util.qos.ClientProperty getProperty(java.lang.String key)
                                                   throws java.lang.Exception

Modifies an existing property. If the property does not exist, an exception is thrown.

Throws:

java.lang.Exception

remove

public boolean remove(java.lang.String key)
               throws java.lang.Exception

Removes the property with the given key. If none found, nothing happens.

Parameters:

key -

Returns:

true if the entry was removed, false otherwise (i.e. if the entry was not found).

Throws:

java.lang.Exception

clean

public int clean()
          throws java.lang.Exception

Removes all the properties of this context.

Returns:

the number of entries removed.

Throws:

java.lang.Exception

put

public void put(org.xmlBlaster.util.qos.ClientProperty prop)
         throws java.lang.Exception

This method tries first to update the entry. If an exception, then presumably the entry did not exist, so an insert is made. If this fails too, then an exception is thrown.

Parameters:

prop -

Throws:

java.lang.Exception

getKeys

public java.util.Set getKeys()
                      throws java.lang.Exception

Throws:

java.lang.Exception