Examples with CayenneRuntimeException org.apache.cayenne.CayenneRuntimeException used on opensource projects

Example 6 with CayenneRuntimeException

use of org.apache.cayenne.CayenneRuntimeException in project cayenne by apache.

the class FileProjectSaver method createSaveUnit.

SaveUnit createSaveUnit(ConfigurationNode node, Resource targetResource, SaverDelegate delegate) {
    SaveUnit unit = new SaveUnit();
    unit.node = node;
    unit.delegate = delegate;
    unit.sourceConfiguration = node.acceptVisitor(resourceGetter);
    if (unit.sourceConfiguration == null) {
        unit.sourceConfiguration = targetResource;
    }
    // attempt to convert targetResource to a File... if that fails,
    // FileProjectSaver is not appropriate for handling a given project..
    URL targetUrl = targetResource.getURL();
    try {
        unit.targetFile = Util.toFile(targetUrl);
    } catch (IllegalArgumentException e) {
        throw new CayenneRuntimeException("Can't save configuration to the following location: '%s'. " + "Is this a valid file location?. (%s)", e, targetUrl, e.getMessage());
    }
    return unit;
}

Example 7 with CayenneRuntimeException

use of org.apache.cayenne.CayenneRuntimeException in project cayenne by apache.

the class ClientServerChannelQueryAction method interceptSinglePageQuery.

private boolean interceptSinglePageQuery() {
    // retrieve range from the previously cached list
    if (serverMetadata.getFetchOffset() >= 0 && serverMetadata.getFetchLimit() > 0 && serverMetadata.getCacheKey() != null) {
        List cachedList = channel.getQueryCache().get(serverMetadata);
        if (cachedList == null) {
            // attempt to refetch... respawn the action...
            Query originatingQuery = serverMetadata.getOriginatingQuery();
            if (originatingQuery != null) {
                ClientServerChannelQueryAction subaction = new ClientServerChannelQueryAction(channel, originatingQuery);
                subaction.execute();
                cachedList = channel.getQueryCache().get(serverMetadata);
                if (cachedList == null) {
                    throw new CayenneRuntimeException("No cached list for %s", serverMetadata.getCacheKey());
                }
            } else {
                return !DONE;
            }
        }
        int startIndex = serverMetadata.getFetchOffset();
        int endIndex = startIndex + serverMetadata.getFetchLimit();
        // send back just one page... query sender will figure out where it fits in
        // the incremental list
        this.response = new ListResponse(new ArrayList<>(cachedList.subList(startIndex, endIndex)));
        return DONE;
    }
    return !DONE;
}

Example 8 with CayenneRuntimeException

use of org.apache.cayenne.CayenneRuntimeException in project cayenne by apache.

the class DataContext method objectFromDataRow.

/**
 * Creates a DataObject from DataRow.
 *
 * @see DataRow
 * @since 3.1
 */
public <T extends Persistent> T objectFromDataRow(Class<T> objectClass, DataRow dataRow) {
    ObjEntity entity = this.getEntityResolver().getObjEntity(objectClass);
    if (entity == null) {
        throw new CayenneRuntimeException("Unmapped Java class: %s", objectClass);
    }
    ClassDescriptor descriptor = getEntityResolver().getClassDescriptor(entity.getName());
    List<T> list = objectsFromDataRows(descriptor, Collections.singletonList(dataRow));
    return list.get(0);
}

Example 9 with CayenneRuntimeException

use of org.apache.cayenne.CayenneRuntimeException in project cayenne by apache.

the class DataDomain method lookupDataNode.

/**
 * Returns a DataNode that should handle queries for all entities in a
 * DataMap.
 *
 * @since 1.1
 */
public DataNode lookupDataNode(DataMap map) {
    DataNode node = nodesByDataMapName.get(map.getName());
    if (node == null) {
        // linked...
        for (DataNode n : getDataNodes()) {
            for (DataMap m : n.getDataMaps()) {
                if (m == map) {
                    nodesByDataMapName.put(map.getName(), n);
                    node = n;
                    break;
                }
            }
            if (node != null) {
                break;
            }
        }
        if (node == null) {
            if (defaultNode != null) {
                nodesByDataMapName.put(map.getName(), defaultNode);
                node = defaultNode;
            } else {
                throw new CayenneRuntimeException("No DataNode configured for DataMap '%s'" + " and no default DataNode set", map.getName());
            }
        }
    }
    return node;
}

Example 10 with CayenneRuntimeException

use of org.apache.cayenne.CayenneRuntimeException in project cayenne by apache.

the class DataDomainFlushAction method runQueries.

private void runQueries() {
    DataDomainFlushObserver observer = new DataDomainFlushObserver(domain.getJdbcEventLogger());
    try {
        DataNode lastNode = null;
        DbEntity lastEntity = null;
        int rangeStart = 0;
        int len = queries.size();
        for (int i = 0; i < len; i++) {
            BatchQuery query = (BatchQuery) queries.get(i);
            if (query.getDbEntity() != lastEntity) {
                lastEntity = query.getDbEntity();
                DataNode node = domain.lookupDataNode(lastEntity.getDataMap());
                if (node != lastNode) {
                    if (i - rangeStart > 0) {
                        lastNode.performQueries(queries.subList(rangeStart, i), observer);
                    }
                    rangeStart = i;
                    lastNode = node;
                }
            }
        }
        // process last segment of the query list...
        lastNode.performQueries(queries.subList(rangeStart, len), observer);
    } catch (Throwable th) {
        BaseTransaction.getThreadTransaction().setRollbackOnly();
        throw new CayenneRuntimeException("Transaction was rolledback.", th);
    }
}