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Java Source Code / Java Documentation » Database ORM » JPOX » org.jpox.store

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Class Diagram

Java Document (Java Doc)

org.jpox.store .AutoStartMechanism

All known Subclasses:   org.jpox.store .AbstractAutoStartMechanism,
AutoStartMechanism
public interface AutoStartMechanism (Code)
Interface defining an Auto-Start Mechanism. An Auto-Start Mechanism is a means of auto-populating the classes supported by a StoreManager.
If the user changes their persistence definition a problem can occur when starting up JPOX. JPOX loads up its existing data from a repository (e.g the table "JPOX_TABLES" for SchemaTableAutoStarter) and finds that a table/class required by the repository data no longer exists. There are 3 options for what JPOX will do in this situation.

Checked will mean that JPOX will throw an exception and the user will be expected to manually fix their datastore mismatch (perhaps by removing the existing tables).

Quiet (the default) will simply remove the entry from the repository and continue without exception.

Ignored will simply continue without doing anything.

Implementations must have a public constructor taking the arguments StoreManager and ClassLoaderResolver
version:
   $Revision: 1.6 $

Field Summary
final public static String MODE_CHECKED

final public static String MODE_IGNORED

final public static String MODE_QUIET

final public static String NONE


Method Summary
void addClass(StoreData data)
     Method to add a class/field (with its data) to the currently-supported list.
void close()
     Closes a transaction for writing (add/delete) classes to the auto start mechanism.
void deleteAllClasses()
     Method to delete all classes that are currently listed as supported in the internal storage.
void deleteClass(String name)
     Method to delete a class/field that is currently listed as supported in the internal storage. It does not drop the schema of the DatastoreClass neither the contents of it.
Collection getAllClassData()
     Accessor for the data for the classes that are currently auto started.
String getMode()
     Accessor for the mode of operation.
String getStorageDescription()
     Utility to return a description of the storage for this mechanism.
public boolean isOpen()
     Whether it's open for writing (add/delete) classes to the auto start mechanism.
void open()
     Starts a transaction for writing (add/delete) classes to the auto start mechanism.
void setMode(String mode)
     Mutator for the mode of operation.

Field Detail
MODE_CHECKED
final public static String MODE_CHECKED(Code)
mechanism is in Checked mode *

MODE_IGNORED
final public static String MODE_IGNORED(Code)
mechanism is in Ignored mode *

MODE_QUIET
final public static String MODE_QUIET(Code)
mechanism is in Quiet mode *

NONE
final public static String NONE(Code)
mechanism is disabled if None *

Method Detail
addClass
void addClass(StoreData data)(Code)
Method to add a class/field (with its data) to the currently-supported list.
Parameters:
  data - The data for the class.

close
void close()(Code)
Closes a transaction for writing (add/delete) classes to the auto start mechanism.

deleteAllClasses
void deleteAllClasses()(Code)
Method to delete all classes that are currently listed as supported in the internal storage. It does not drop the schema of the DatastoreClass neither the contents of it. It only removes the classes from the AutoStart mechanism.

deleteClass
void deleteClass(String name)(Code)
Method to delete a class/field that is currently listed as supported in the internal storage. It does not drop the schema of the DatastoreClass neither the contents of it. It only removes the class from the AutoStart mechanism. TODO Rename this method to allow for deleting fields
Parameters:
  name - The name of the class/field

getAllClassData
Collection getAllClassData() throws DatastoreInitialisationException(Code)
Accessor for the data for the classes that are currently auto started. Collection of StoreData elements
throws:
  DatastoreInitialisationException -

getMode
String getMode()(Code)
Accessor for the mode of operation. The mode of operation

getStorageDescription
String getStorageDescription()(Code)
Utility to return a description of the storage for this mechanism. The storage description.

isOpen
public boolean isOpen()(Code)
Whether it's open for writing (add/delete) classes to the auto start mechanism. whether this is open for writing

open
void open()(Code)
Starts a transaction for writing (add/delete) classes to the auto start mechanism.

setMode
void setMode(String mode)(Code)
Mutator for the mode of operation.
Parameters:
  mode - The mode of operation

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