Package org.apache.cayenne

Examples of org.apache.cayenne.CayenneException

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        String template = extractTemplateString();

        // sanity check - misconfigured templates
        if (template == null) {
            throw new CayenneException("No template string configured for adapter "
                    + getAdapter().getClass().getName());
        }

        boolean loggable = QueryLogger.isLoggable();
        int size = query.parametersSize();
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     * set up.
     */
    public void execute() throws CayenneException {
        // sanity check
        if (sourceNode == null) {
            throw new CayenneException("Can't port data, source node is null.");
        }

        if (destinationNode == null) {
            throw new CayenneException("Can't port data, destination node is null.");
        }

        // the simple equality check may actually detect problems with misconfigred nodes
        // it is not as dumb as it may look at first
        if (sourceNode == destinationNode) {
            throw new CayenneException(
                    "Can't port data, source and target nodes are the same.");
        }

        if (entities == null || entities.isEmpty()) {
            return;
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        }
        else if (query instanceof UpdateBatchQuery) {
            queryBuilder = new LOBUpdateBatchQueryBuilder(getAdapter());
        }
        else {
            throw new CayenneException(
                    "Unsupported batch type for special LOB processing: " + query);
        }

        queryBuilder.setTrimFunction(OracleAdapter.TRIM_FUNCTION);
        queryBuilder.setNewBlobFunction(OracleAdapter.NEW_BLOB_FUNCTION);
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                result = internalPerformIteratedQuery(query);
            }
            catch (Exception e) {
                Transaction.bindThreadTransaction(null);
                tx.setRollbackOnly();
                throw new CayenneException(e);
            }
            finally {
                // note: we are keeping the transaction bound to the current thread on
                // success - iterator will unbind it. Unsetting a transaction here would
                // result in some strangeness, at least on Ingres
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        }
        else if (query instanceof DeleteBatchQuery) {
            return new DeleteBatchQueryBuilder(getAdapter());
        }
        else {
            throw new CayenneException("Unsupported batch query: " + query);
        }
    }
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    public LimitResultIterator(ResultIterator wrappedIterator, int offset, int fetchLimit)
            throws CayenneException {

        if (wrappedIterator == null) {
            throw new CayenneException("Null wrapped iterator.");
        }
        this.wrappedIterator = wrappedIterator;
        this.offset = offset;
        this.fetchLimit = fetchLimit;
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        return nextRow;
    }

    public Map nextDataRow() throws CayenneException {
        if (!hasNextRow()) {
            throw new CayenneException(
                    "An attempt to read uninitialized row or past the end of the iterator.");
        }
        Map<String, Object> row = readDataRow();
        checkNextRow();
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        return row;
    }

    public Object nextId(DbEntity entity) throws CayenneException {
        if (!hasNextRow()) {
            throw new CayenneException(
                    "An attempt to read uninitialized row or past the end of the iterator.");
        }

        Object id = readId(entity);
        checkNextId(entity);
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    }

    public Map<String, Object> nextObjectId(DbEntity entity) throws CayenneException {

        if (!hasNextRow()) {
            throw new CayenneException(
                    "An attempt to read uninitialized row or past the end of the iterator.");
        }

        checkNextObjectId(entity);
        return nextDataObjectIds;
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        wrappedIterator.skipDataRow();
    }

    void checkNextId(DbEntity entity) throws CayenneException {
        if (entity == null) {
            throw new CayenneException("Null DbEntity, can't create id.");
        }
        nextRow = false;
        if (wrappedIterator.hasNextRow()) {
            nextRow = true;
        }
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Related Classes of org.apache.cayenne.CayenneException

  • org.apache.cayenne.access.DataContext
  • org.apache.cayenne.access.DataPort
  • org.apache.cayenne.access.DefaultResultIterator
  • org.apache.cayenne.access.InternalTransaction
  • org.apache.cayenne.access.jdbc.BatchAction
  • org.apache.cayenne.access.jdbc.DistinctResultIterator
  • org.apache.cayenne.access.jdbc.EntityRowReader
  • org.apache.cayenne.access.jdbc.FullRowReader
  • org.apache.cayenne.access.jdbc.IdRowReader
  • org.apache.cayenne.access.jdbc.JDBCResultIterator
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