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

Example 16 with CayenneRuntimeException

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

the class HierarchicalObjectResolverNode method objectsFromDataRows.

@Override
List<Persistent> objectsFromDataRows(List<? extends DataRow> rows) {
    if (rows == null || rows.size() == 0) {
        return new ArrayList<>(1);
    }
    List<Persistent> results = new ArrayList<>(rows.size());
    for (DataRow row : rows) {
        // determine entity to use
        ClassDescriptor classDescriptor = descriptorResolutionStrategy.descriptorForRow(row);
        // not using DataRow.createObjectId for performance reasons -
        // ObjectResolver
        // has all needed metadata already cached.
        ObjectId anId = createObjectId(row, classDescriptor.getEntity(), null);
        Persistent object = objectFromDataRow(row, anId, classDescriptor);
        if (object == null) {
            throw new CayenneRuntimeException("Can't build Object from row: %s", row);
        }
        // keep the dupe objects (and data rows) around, as there maybe an
        // attached
        // joint prefetch...
        results.add(object);
        node.getParentAttachmentStrategy().linkToParent(row, object);
    }
    // now deal with snapshots
    // TODO: refactoring: dupes will clutter the lists and cause extra
    // processing...
    // removal of dupes happens only downstream, as we need the objects
    // matching
    // fetched rows for joint prefetch resolving... maybe pushback unique
    // and
    // non-unique lists to the "node", instead of returning a single list
    // from this
    // method
    cache.snapshotsUpdatedForObjects(results, rows, refreshObjects);
    return results;
}

Example 17 with CayenneRuntimeException

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

the class IncrementalFaultList method checkPageResultConsistency.

/**
 * @since 3.0
 */
void checkPageResultConsistency(List<?> objects, List<?> ids) {
    if (objects.size() < ids.size()) {
        // find missing ids
        StringBuilder buffer = new StringBuilder();
        buffer.append("Some ObjectIds are missing from the database. ");
        buffer.append("Expected ").append(ids.size()).append(", fetched ").append(objects.size());
        boolean first = true;
        for (Object id : ids) {
            boolean found = false;
            for (Object object : objects) {
                if (helper.replacesObject(object, id)) {
                    found = true;
                    break;
                }
            }
            if (!found) {
                if (first) {
                    first = false;
                } else {
                    buffer.append(", ");
                }
                buffer.append(id.toString());
            }
        }
        throw new CayenneRuntimeException(buffer.toString());
    } else if (objects.size() > ids.size()) {
        throw new CayenneRuntimeException("Expected %d objects, retrieved %d", ids.size(), objects.size());
    }
}

Example 18 with CayenneRuntimeException

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

the class JoinedIdParentAttachementStrategy method linkToParent.

public void linkToParent(DataRow row, Persistent object) {
    Persistent parentObject = null;
    for (ObjEntity entity : sourceEntities) {
        if (entity.isAbstract()) {
            continue;
        }
        ObjectId id = node.getResolver().createObjectId(row, entity, relatedIdPrefix);
        if (id == null) {
            throw new CayenneRuntimeException("Can't build ObjectId from row: %s, entity: %s, prefix: %s", row, entity.getName(), relatedIdPrefix);
        }
        parentObject = (Persistent) graphManager.getNode(id);
        if (parentObject != null) {
            break;
        }
    }
    node.linkToParent(object, parentObject);
}

Example 19 with CayenneRuntimeException

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

the class ObjectDiff method addDiff.

void addDiff(NodeDiff diff, ObjectStore parent) {
    boolean addDiff = true;
    if (diff instanceof ArcOperation) {
        ArcOperation arcDiff = (ArcOperation) diff;
        Object targetId = arcDiff.getTargetNodeId();
        String arcId = arcDiff.getArcId().toString();
        ArcProperty property = (ArcProperty) getClassDescriptor().getProperty(arcId);
        if (property == null && arcId.startsWith(ASTDbPath.DB_PREFIX)) {
            addPhantomFkDiff(arcDiff);
            addDiff = false;
        } else if (property instanceof ToManyProperty) {
            // record flattened op changes
            ObjRelationship relationship = property.getRelationship();
            if (relationship.isFlattened()) {
                if (flatIds == null) {
                    flatIds = new HashMap<>();
                }
                ArcOperation oldOp = flatIds.put(arcDiff, arcDiff);
                // "delete" cancels "create" and vice versa...
                if (oldOp != null && oldOp.isDelete() != arcDiff.isDelete()) {
                    addDiff = false;
                    flatIds.remove(arcDiff);
                    if (otherDiffs != null) {
                        otherDiffs.remove(oldOp);
                    }
                }
            } else if (property.getComplimentaryReverseArc() == null) {
                // register complimentary arc diff
                String arc = ASTDbPath.DB_PREFIX + property.getComplimentaryReverseDbRelationshipPath();
                ArcOperation complimentartyOp = new ArcOperation(targetId, arcDiff.getNodeId(), arc, arcDiff.isDelete());
                parent.registerDiff(targetId, complimentartyOp);
            }
        } else if (property instanceof ToOneProperty) {
            if (currentArcSnapshot == null) {
                currentArcSnapshot = new HashMap<>();
            }
            currentArcSnapshot.put(arcId, targetId);
        } else {
            String message = (property == null) ? "No property for arcId " + arcId : "Unrecognized property for arcId " + arcId + ": " + property;
            throw new CayenneRuntimeException(message);
        }
    }
    if (addDiff) {
        if (otherDiffs == null) {
            otherDiffs = new ArrayList<>(3);
        }
        otherDiffs.add(diff);
    }
}

Example 20 with CayenneRuntimeException

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

the class ObjectResolver method createObjectId.

ObjectId createObjectId(DataRow dataRow, ObjEntity objEntity, String namePrefix) {
    Collection<DbAttribute> pk = objEntity == this.descriptor.getEntity() ? this.primaryKey : objEntity.getDbEntity().getPrimaryKeys();
    boolean prefix = namePrefix != null && namePrefix.length() > 0;
    if (pk.size() == 1) {
        DbAttribute attribute = pk.iterator().next();
        String key = (prefix) ? namePrefix + attribute.getName() : attribute.getName();
        Object val = dataRow.get(key);
        // this is possible when processing left outer joint prefetches
        if (val == null) {
            if (!dataRow.containsKey(key)) {
                throw new CayenneRuntimeException("No PK column '%s' found in data row.", key);
            }
            return null;
        }
        // PUT without a prefix
        return new ObjectId(objEntity.getName(), attribute.getName(), val);
    }
    // ... handle generic case - PK.size > 1
    Map<String, Object> idMap = new HashMap<>(pk.size() * 2);
    for (final DbAttribute attribute : pk) {
        String key = (prefix) ? namePrefix + attribute.getName() : attribute.getName();
        Object val = dataRow.get(key);
        // this is possible when processing left outer joint prefetches
        if (val == null) {
            if (!dataRow.containsKey(key)) {
                throw new CayenneRuntimeException("No PK column '%s' found in data row.", key);
            }
            return null;
        }
        // PUT without a prefix
        idMap.put(attribute.getName(), val);
    }
    return new ObjectId(objEntity.getName(), idMap);
}