Examples of org.eclipse.persistence.queries.DeleteObjectQuery

org.eclipse.persistence.queries.DeleteObjectQuery

Purpose: Used for deleting objects.

Responsibilities: Extract primary key from object and delete it. @author Yvon Lavoie @since TOPLink/Java 1.0

     * INTERNAL:
     * An object was removed to the collection during an update, delete it if private.
     */
    protected void objectRemovedDuringUpdate(ObjectLevelModifyQuery query, Object objectDeleted, Map extraData) throws DatabaseException, OptimisticLockException {
        // Delete must not be done for uow or cascaded queries and we must cascade to cascade policy.
        DeleteObjectQuery deleteQuery = new DeleteObjectQuery();
        deleteQuery.setIsExecutionClone(true);
        prepareModifyQueryForDelete(query, deleteQuery, objectDeleted, extraData);
        ContainerPolicy.copyMapDataToRow(extraData, deleteQuery.getTranslationRow());
        query.getSession().executeQuery(deleteQuery, deleteQuery.getTranslationRow());
        
        if (containerPolicy.shouldIncludeKeyInDeleteEvent()){
            query.getSession().deleteObject(containerPolicy.keyFromEntry(objectDeleted));
        }
    }

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                    ((UnitOfWorkImpl)session).getCascadeDeleteObjects().add(object);
                }
            }
            for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
                Object wrappedObject = cp.nextEntry(iter, session);
                DeleteObjectQuery deleteQuery = new DeleteObjectQuery();
                deleteQuery.setIsExecutionClone(true);
                Map extraData = null;
                if (this.listOrderField != null) {
                    extraData = new DatabaseRecord(1);
                    extraData.put(this.listOrderField, index++);
                }
                prepareModifyQueryForDelete(query, deleteQuery, wrappedObject, extraData);
                session.executeQuery(deleteQuery, deleteQuery.getTranslationRow());
                cp.propogatePreDelete(query, wrappedObject);
            }
            if (!session.isUnitOfWork()) {
                // This deletes any objects on the database, as the collection in memory may has been changed.
                // This is not required for unit of work, as the update would have already deleted these objects,

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    public void setDeleteSQLString(String sqlString) {
        if (sqlString == null) {
            return;
        }


        DeleteObjectQuery query = new DeleteObjectQuery();
        query.setSQLString(sqlString);
        setDeleteQuery(query);
    }

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     */
    public void setDeleteCall(Call call) {
        if (call == null) {
            return;
        }
        DeleteObjectQuery query = new DeleteObjectQuery();
        query.setCall(call);
        setDeleteQuery(query);
    }

View Full Code Here

     * INTERNAL:
     * An object was removed to the collection during an update, delete it if private.
     */
    protected void objectRemovedDuringUpdate(ObjectLevelModifyQuery query, Object objectDeleted, Map extraData) throws DatabaseException, OptimisticLockException {
        // Delete must not be done for uow or cascaded queries and we must cascade to cascade policy.
        DeleteObjectQuery deleteQuery = new DeleteObjectQuery();
        deleteQuery.setIsExecutionClone(true);
        prepareModifyQueryForDelete(query, deleteQuery, objectDeleted, extraData);
        ContainerPolicy.copyMapDataToRow(extraData, deleteQuery.getTranslationRow());
        query.getSession().executeQuery(deleteQuery, deleteQuery.getTranslationRow());
        
        if (containerPolicy.shouldIncludeKeyInDeleteEvent()){
            query.getSession().deleteObject(containerPolicy.keyFromEntry(objectDeleted));
        }
    }

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                    ((UnitOfWorkImpl)session).getCascadeDeleteObjects().add(object);
                }
            }
            for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
                Object wrappedObject = cp.nextEntry(iter, session);
                DeleteObjectQuery deleteQuery = new DeleteObjectQuery();
                deleteQuery.setIsExecutionClone(true);
                Map extraData = null;
                if (this.listOrderField != null) {
                    extraData = new DatabaseRecord(1);
                    extraData.put(this.listOrderField, index++);
                }
                prepareModifyQueryForDelete(query, deleteQuery, wrappedObject, extraData);
                session.executeQuery(deleteQuery, deleteQuery.getTranslationRow());
                cp.propogatePreDelete(query, wrappedObject);
            }
            if (!session.isUnitOfWork()) {
                // This deletes any objects on the database, as the collection in memory may has been changed.
                // This is not required for unit of work, as the update would have already deleted these objects,

View Full Code Here


        if (!usesFieldLocking()) {
            //do not reset the query if we are using field locking
            if (!queryManager.hasDeleteQuery()) {
                // Prepare delete query always.
                queryManager.setDeleteQuery(new DeleteObjectQuery());
            }
            queryManager.getDeleteQuery().setModifyRow(new DatabaseRecord());
        }


        if (queryManager.hasUpdateQuery()) {

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        if (!usesFieldLocking()) {
            //do not reset the query if we are using field locking
            if (!queryManager.hasDeleteQuery()) {
                // Prepare delete query always.
                queryManager.setDeleteQuery(new DeleteObjectQuery());
            }
            queryManager.getDeleteQuery().setModifyRow(new DatabaseRecord());
        }


        if (queryManager.hasUpdateQuery()) {

View Full Code Here

     * INTERNAL:
     * An object was removed to the collection during an update, delete it if private.
     */
    protected void objectRemovedDuringUpdate(ObjectLevelModifyQuery query, Object objectDeleted, Map extraData) throws DatabaseException, OptimisticLockException {
        // Delete must not be done for uow or cascaded queries and we must cascade to cascade policy.
        DeleteObjectQuery deleteQuery = new DeleteObjectQuery();
        deleteQuery.setIsExecutionClone(true);
        prepareModifyQueryForDelete(query, deleteQuery, objectDeleted, extraData);
        ContainerPolicy.copyMapDataToRow(extraData, deleteQuery.getTranslationRow());
        query.getSession().executeQuery(deleteQuery, deleteQuery.getTranslationRow());
        
        if (containerPolicy.shouldIncludeKeyInDeleteEvent()){
            query.getSession().deleteObject(containerPolicy.keyFromEntry(objectDeleted));
        }
    }

View Full Code Here

                    ((UnitOfWorkImpl)session).getCascadeDeleteObjects().add(object);
                }
            }
            for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
                Object wrappedObject = cp.nextEntry(iter, session);
                DeleteObjectQuery deleteQuery = new DeleteObjectQuery();
                deleteQuery.setIsExecutionClone(true);
                Map extraData = null;
                if (this.listOrderField != null) {
                    extraData = new DatabaseRecord(1);
                    extraData.put(this.listOrderField, index++);
                }
                prepareModifyQueryForDelete(query, deleteQuery, wrappedObject, extraData);
                session.executeQuery(deleteQuery, deleteQuery.getTranslationRow());
                cp.propogatePreDelete(query, wrappedObject);
            }
            if (!session.isUnitOfWork()) {
                // This deletes any objects on the database, as the collection in memory may has been changed.
                // This is not required for unit of work, as the update would have already deleted these objects,

View Full Code Here

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