com.ibm.di.config.interfaces
Class TDIPropertyStore

java.lang.Object
  com.ibm.di.config.interfaces.TDIPropertyStore

All Implemented Interfaces:

java.io.Serializable, java.util.Iterator

public class TDIPropertyStore
extends java.lang.Object
implements java.util.Iterator, java.io.Serializable

Represents a property store

See Also:

Serialized Form

Field Summary

static Log	logger This is the logger object used by this class and other configuration drivers.
static java.lang.String	PROTECT_VAL_PREFIX

Constructor Summary

TDIPropertyStore()

TDIPropertyStore(PropertyStoreConfig psc)
Constructor for the TDIPropertyStore object

TDIPropertyStore(PropertyStoreConfig psc, TDIProperties context)
Constructor for the TDIPropertyStore object

Method Summary

boolean	accepts(java.lang.String propertyName) Returns true if we accept this propertyname.
boolean	canDelete() Returns true if the connector supports Delete mode and is not readonly
boolean	canIterate() Returns true if the connector supports Iterator mode
boolean	canRead() Returns true if the connector supports Lookup mode
boolean	canWrite() Returns true if the connector supports Update mode and is not readonly
void	commit() Flushes cached changes to target system
java.util.Iterator	entries() Returns an Iterator over all property Entries
java.lang.Exception	getException() Returns the last Exception thrown by the connector while iterating
java.lang.String	getName() Gets the short name of this TDIPropertyStore
java.lang.Object	getProperty(java.lang.String key) Returns the named property
Entry	getPropertyEntry(java.lang.String key) Returns the Entry object for a key.
boolean	hasNext() Returns true if the Iterator has more values.
void	initialize(TDIProperties context) Initializes data structures.
boolean	isModified() Returns true if the properties have been modified, but not saved yet
java.util.Iterator	keys() Returns an Iterator over all property keys
void	log(java.lang.String msg) Logs a message.
void	logerror(java.lang.String msg, java.lang.Exception err) Logs an error message.
java.lang.Object	next() Return the next value from an Iterator.
void	reconnect() Reinitializes the connector.
void	reload() Reloads the information from the connector
void	remove() Dummy method to implement Iterator.
void	removeProperty(java.lang.String key) Removes a named property.
void	setModified(boolean modified) Sets the modified flag.
void	setProperty(Entry entry) Sets a named property to the given value.
void	setProperty(java.lang.String key, java.lang.Object value) Sets the named property to the given value
void	setProperty(java.lang.String key, java.lang.Object value, boolean protect) Sets the named property to the given value, with optional protection
boolean	supportsMode(java.lang.String mode) Returns true if the connector supports this mode
void	terminate() Terminates the connector
java.util.Iterator	values() Returns an Iterator over all property values

Methods inherited from class java.lang.Object

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

Field Detail

logger

public static final Log logger

This is the logger object used by this class and other configuration drivers.

PROTECT_VAL_PREFIX

public static final java.lang.String PROTECT_VAL_PREFIX

See Also:

Constant Field Values

Constructor Detail

TDIPropertyStore

public TDIPropertyStore()

TDIPropertyStore

public TDIPropertyStore(PropertyStoreConfig psc)
                 throws java.lang.Exception

Constructor for the TDIPropertyStore object

Parameters:

psc - Configuration of the property store

Throws:

java.lang.Exception - if the operation does not succeed

TDIPropertyStore

public TDIPropertyStore(PropertyStoreConfig psc,
                        TDIProperties context)
                 throws java.lang.Exception

Constructor for the TDIPropertyStore object

Parameters:

psc - The PropertyStoreConfig

context - The TDIProperties context

Throws:

java.lang.Exception

Method Detail

initialize

public void initialize(TDIProperties context)
                throws java.lang.Exception

Initializes data structures. Load and initialize the connector, and read data if they should be read initially.

Parameters:

context - The TDIProperties context. Not used.

Throws:

java.lang.Exception - If any problem occurs during loading or initializing the connector.

log

public void log(java.lang.String msg)

Logs a message.

Parameters:

msg - The message to log

logerror

public void logerror(java.lang.String msg,
                     java.lang.Exception err)

Logs an error message.

Parameters:

msg - The message to log

err - The Exception

reload

public void reload()

Reloads the information from the connector

reconnect

public void reconnect()
               throws java.lang.Exception

Reinitializes the connector.

Throws:

java.lang.Exception - If there is any problem with initializing the connector

terminate

public void terminate()
               throws java.lang.Exception

Terminates the connector

Throws:

java.lang.Exception - If there is a problem with terminating the connector

commit

public void commit()
            throws java.lang.Exception

Flushes cached changes to target system

Throws:

java.lang.Exception

canIterate

public boolean canIterate()

Returns true if the connector supports Iterator mode

Returns:

true if the connector supports Iterator mode

canWrite

public boolean canWrite()

Returns true if the connector supports Update mode and is not readonly

Returns:

true if the connector supports Update mode and is not readonly

canDelete

public boolean canDelete()

Returns true if the connector supports Delete mode and is not readonly

Returns:

true if the connector supports Delete mode and is not readonly

canRead

public boolean canRead()

Returns true if the connector supports Lookup mode

Returns:

true if the connector supports Lookup mode

accepts

public boolean accepts(java.lang.String propertyName)

Returns true if we accept this propertyname.

Parameters:

propertyName - Property name to check

Returns:

true if we accept this propertyname

getName

public java.lang.String getName()

Gets the short name of this TDIPropertyStore

Returns:

The name value

supportsMode

public boolean supportsMode(java.lang.String mode)

Returns true if the connector supports this mode

Parameters:

mode - The mode to check

Returns:

true if the connector supports this mode

getProperty

public java.lang.Object getProperty(java.lang.String key)
                             throws java.lang.Exception

Returns the named property

Parameters:

key - The property name to find

Returns:

The property value or null if not found

Throws:

java.lang.Exception - Any Exception thrown by the connector

getPropertyEntry

public Entry getPropertyEntry(java.lang.String key)
                       throws java.lang.Exception

Returns the Entry object for a key. The Entry object has at least two Attributes, a "key" Attribute and a "value" Attribute. If the value is protected, there will also be a "protect" Attribute.

Parameters:

key - The name of the attribute to find

Returns:

The Entry containing the name and value

Throws:

java.lang.Exception - Any Exception thrown by the connector

setProperty

public void setProperty(java.lang.String key,
                        java.lang.Object value)
                 throws java.lang.Exception

Sets the named property to the given value

Parameters:

key - The name of the property

value - The new property value, null means delete

Throws:

java.lang.Exception - If key is missing, or any Exception thrown by the connector

setProperty

public void setProperty(java.lang.String key,
                        java.lang.Object value,
                        boolean protect)
                 throws java.lang.Exception

Sets the named property to the given value, with optional protection

Parameters:

key - The name of the property

value - The new property value, null means delete

protect - True if the value should be protected (encrypted)

Throws:

java.lang.Exception - If key is missing, or any Exception thrown by the connector

setProperty

public void setProperty(Entry entry)
                 throws java.lang.Exception

Sets a named property to the given value. The Entry object must contains the "key" and "value" attributes and optionally "protect" (boolean)

Parameters:

entry - The Entry object containing property name and value

Throws:

java.lang.Exception - If key is missing, or any Exception thrown by the connector

removeProperty

public void removeProperty(java.lang.String key)
                    throws java.lang.Exception

Removes a named property.

Parameters:

key - The name of the property to remove

Throws:

java.lang.Exception - If key is missing, or the Property store is readonly, or any Exception thrown by the connector

keys

public java.util.Iterator keys()

Returns an Iterator over all property keys

Returns:

an Iterator over all property keys

values

public java.util.Iterator values()

Returns an Iterator over all property values

Returns:

an Iterator over all property values

entries

public java.util.Iterator entries()

Returns an Iterator over all property Entries

Returns:

an Iterator over all property Entries

hasNext

public boolean hasNext()

Returns true if the Iterator has more values. Only call this method if you have previously called keys(), values() or entries().

Specified by:

hasNext in interface java.util.Iterator

Returns:

true if the Iterator has a next

next

public java.lang.Object next()

Return the next value from an Iterator. Only call this method if you have previously called keys(), values() or entries(), and hasNext() returns true.

Specified by:

next in interface java.util.Iterator

Returns:

The next value for the Iterator, it will be an Entry if you have called entries().

remove

public void remove()

Dummy method to implement Iterator. This method does nothing.

Specified by:

remove in interface java.util.Iterator

getException

public java.lang.Exception getException()

Returns the last Exception thrown by the connector while iterating

Returns:

the last Exception thrown by the connector while iterating

isModified

public boolean isModified()

Returns true if the properties have been modified, but not saved yet

Returns:

true if the properties have been modified, but not saved yet

setModified

public void setModified(boolean modified)

Sets the modified flag. This can be useful if you want to force a save, or avoid a save