org.exolab.castor.persist.spi
public interface LogInterceptor
The log interceptor is used for tracing persistence activity for performance tuning, viewing the generated SQL statements, and tracing messages that are not bubbled up to the application layer.
Version: $Revision: 1.2 $ $Date: 2004/05/03 22:25:38 $
Method Summary | |
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void | creating(Object objClass, Object identity)
Called to indicate that an object of the given type and identity
is about to be created in persistent storage.
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void | exception(Exception except)
Reports an exception of some sort that is not delivered to the
application. |
PrintWriter | getPrintWriter()
Returns the PrintWriter for this LogInterceptor |
void | loading(Object objClass, Object identity)
Called to indicate that an object of the given type and identity
is about to be loaded into memory.
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void | message(String message)
Reports a message of some sort that is not delivered to the
application. |
void | queryStatement(String statement)
Reports a statement that will be used with the persistent
engine to conduct a query.
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void | removing(Object objClass, Object identity)
Called to indicate that an object of the given type and identity
is about to be deleted from persistent storage.
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void | storeStatement(String statement)
Reports a statement that will be used with the persistent
engine.
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void | storing(Object objClass, Object identity)
Called to indicate that an object of the given type and identity
is about to be stored in persistent storage.
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This method is called when the cache engine decides to explicitly create the specified object in persistent storage, either in response to a create method or upon transaction commit. It is called prior to the creation.
Parameters: objClass The type of the object identity The object identity
Parameters: except The exception
This method is called when the cache engine decides to explicitly load the specified object from persistent storage and not use a cached copy. It is called prior to the retrieval.
Parameters: objClass The type of the object identity The object identity
Parameters: message The reported message
The SQL engine uses this method to report select statements when running new queries.
Parameters: statement The query statement
This method is called when the cache engine decides to explicitly delete the specified object from persistent storage, either in response to a delete method or upon transaction commit. It is called prior to the deletion.
Parameters: objClass The type of the object identity The object identity
The SQL engine uses this method to report all the select, update, insert statements it creates upon initialization.
Parameters: statement The storage statement
This method is called when the cache engine decides to explicitly store the specified object in persistent storage, after detecting a modification in this object. It is called prior to storage.
Parameters: objClass The type of the object identity The object identity