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package oracle.toplink.essentials.exceptions;
import java.util.Vector;
import oracle.toplink.essentials.queryframework.*;
import oracle.toplink.essentials.exceptions.i18n.ExceptionMessageGenerator;
import oracle.toplink.essentials.sessions.SessionProfiler;
/**
* <p><b>Purpose</b>: This exception is used when TopLink's optimistic locking feature is used.
* It will be raised if the object being updated or deleted was changed or deleted from the database since
* it as last read.
*/
public class OptimisticLockException extends TopLinkException {
/** Store the query that raised the optimistic violation. */
protected transient ObjectLevelModifyQuery query;
// ERROR CODES
public final static int NO_VERSION_NUMBER_WHEN_DELETING = 5001;
public final static int OBJECT_CHANGED_SINCE_LAST_READ_WHEN_DELETING = 5003;
public final static int NO_VERSION_NUMBER_WHEN_UPDATING = 5004;
public final static int OBJECT_CHANGED_SINCE_LAST_READ_WHEN_UPDATING = 5006;
public final static int MUST_HAVE_MAPPING_WHEN_IN_OBJECT = 5007;
public final static int NEED_TO_MAP_JAVA_SQL_TIMESTAMP = 5008;
public final static int UNWRAPPING_OBJECT_DELETED_SINCE_LAST_READ = 5009;
public final static int OBJECT_CHANGED_SINCE_LAST_MERGE = 5010;
/**
* INTERNAL:
* TopLink exceptions should only be thrown by TopLink.
*/
protected OptimisticLockException(String theMessage) {
super(theMessage);
}
/**
* INTERNAL:
* TopLink exceptions should only be thrown by TopLink.
*/
protected OptimisticLockException(String theMessage, ObjectLevelModifyQuery query) {
super(theMessage);
this.query = query;
query.getSession().incrementProfile(SessionProfiler.OptimisticLockException);
}
/**
* PUBLIC:
* Return the object for which the problem was detected.
*/
public Object getObject() {
return getQuery().getObject();
}
/**
* PUBLIC:
* Return the query in which the problem was detected.
*/
public ObjectLevelModifyQuery getQuery() {
return query;
}
public static OptimisticLockException mustHaveMappingWhenStoredInObject(Class aClass) {
Object[] args = { aClass };
OptimisticLockException optimisticLockException = new OptimisticLockException(ExceptionMessageGenerator.buildMessage(OptimisticLockException.class, MUST_HAVE_MAPPING_WHEN_IN_OBJECT, args));
optimisticLockException.setErrorCode(MUST_HAVE_MAPPING_WHEN_IN_OBJECT);
return optimisticLockException;
}
public static OptimisticLockException noVersionNumberWhenDeleting(Object object, ObjectLevelModifyQuery query) {
Vector key = new Vector();
if (query.getSession() != null) {
key = query.getSession().keyFromObject(object);
}
Object[] args = { object, object.getClass().getName(), key, CR };
OptimisticLockException optimisticLockException = new OptimisticLockException(ExceptionMessageGenerator.buildMessage(OptimisticLockException.class, NO_VERSION_NUMBER_WHEN_DELETING, args), query);
optimisticLockException.setErrorCode(NO_VERSION_NUMBER_WHEN_DELETING);
return optimisticLockException;
}
public static OptimisticLockException noVersionNumberWhenUpdating(Object object, ObjectLevelModifyQuery query) {
Vector key = new Vector();
if (query.getSession() != null) {
key = query.getSession().keyFromObject(object);
}
Object[] args = { object, object.getClass().getName(), key, CR };
OptimisticLockException optimisticLockException = new OptimisticLockException(ExceptionMessageGenerator.buildMessage(OptimisticLockException.class, NO_VERSION_NUMBER_WHEN_UPDATING, args), query);
optimisticLockException.setErrorCode(NO_VERSION_NUMBER_WHEN_UPDATING);
return optimisticLockException;
}
public static OptimisticLockException objectChangedSinceLastReadWhenDeleting(Object object, ObjectLevelModifyQuery query) {
Vector key = new Vector();
if (query.getSession() != null) {
key = query.getSession().keyFromObject(object);
}
Object[] args = { object, object.getClass().getName(), key, CR };
OptimisticLockException optimisticLockException = new OptimisticLockException(ExceptionMessageGenerator.buildMessage(OptimisticLockException.class, OBJECT_CHANGED_SINCE_LAST_READ_WHEN_DELETING, args), query);
optimisticLockException.setErrorCode(OBJECT_CHANGED_SINCE_LAST_READ_WHEN_DELETING);
return optimisticLockException;
}
public static OptimisticLockException objectChangedSinceLastReadWhenUpdating(Object object, ObjectLevelModifyQuery query) {
Vector key = new Vector();
if (query.getSession() != null) {
key = query.getSession().keyFromObject(object);
}
Object[] args = { object, object.getClass().getName(), key, CR };
OptimisticLockException optimisticLockException = new OptimisticLockException(ExceptionMessageGenerator.buildMessage(OptimisticLockException.class, OBJECT_CHANGED_SINCE_LAST_READ_WHEN_UPDATING, args), query);
optimisticLockException.setErrorCode(OBJECT_CHANGED_SINCE_LAST_READ_WHEN_UPDATING);
return optimisticLockException;
}
public static OptimisticLockException objectChangedSinceLastMerge(Object object) {
Object[] args = { object, object.getClass().getName(), CR };
OptimisticLockException optimisticLockException = new OptimisticLockException(ExceptionMessageGenerator.buildMessage(OptimisticLockException.class, OBJECT_CHANGED_SINCE_LAST_MERGE, args));
optimisticLockException.setErrorCode(OBJECT_CHANGED_SINCE_LAST_MERGE);
return optimisticLockException;
}
public static OptimisticLockException unwrappingObjectDeletedSinceLastRead(Vector pkVector, String className) {
Object[] args = { pkVector, className };
OptimisticLockException optimisticLockException = new OptimisticLockException(ExceptionMessageGenerator.buildMessage(OptimisticLockException.class, UNWRAPPING_OBJECT_DELETED_SINCE_LAST_READ, args));
optimisticLockException.setErrorCode(UNWRAPPING_OBJECT_DELETED_SINCE_LAST_READ);
return optimisticLockException;
}
//For CR#2281
public static OptimisticLockException needToMapJavaSqlTimestampWhenStoredInObject() {
Object[] args = { };
OptimisticLockException optimisticLockException = new OptimisticLockException(ExceptionMessageGenerator.buildMessage(OptimisticLockException.class, NEED_TO_MAP_JAVA_SQL_TIMESTAMP, args));
optimisticLockException.setErrorCode(NEED_TO_MAP_JAVA_SQL_TIMESTAMP);
return optimisticLockException;
}
/**
* INTERNAL:
* Set the query in which the problem was detected.
*/
public void setQuery(ObjectLevelModifyQuery query) {
this.query = query;
}
}
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