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

Example 26 with CayenneRuntimeException

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

the class FullRowReader method readRow.

@Override
public DataRow readRow(ResultSet resultSet) {
    try {
        DataRow dataRow = new DataRow(mapCapacity);
        int resultWidth = labels.length;
        // process result row columns,
        for (int i = 0; i < resultWidth; i++) {
            // note: jdbc column indexes start from 1, not 0 unlike
            // everywhere else
            Object val = converters[i].materializeObject(resultSet, i + 1, types[i]);
            dataRow.put(labels[i], val);
        }
        postprocessRow(resultSet, dataRow);
        return dataRow;
    } catch (CayenneRuntimeException cex) {
        // rethrow unmodified
        throw cex;
    } catch (Exception otherex) {
        throw new CayenneRuntimeException("Exception materializing column.", Util.unwindException(otherex));
    }
}

Example 27 with CayenneRuntimeException

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

the class EJBQLIdentifierColumnsTranslator method addPrefetchedColumnsIfAny.

private void addPrefetchedColumnsIfAny(final String visitedIdentifier) {
    PrefetchTreeNode prefetchTree = context.getCompiledExpression().getPrefetchTree();
    if (prefetchTree != null) {
        for (PrefetchTreeNode prefetch : prefetchTree.adjacentJointNodes()) {
            ClassDescriptor descriptor = context.getEntityDescriptor(prefetch.getEjbqlPathEntityId());
            if (visitedIdentifier.equals(prefetch.getEjbqlPathEntityId())) {
                DbEntity table = descriptor.getRootDbEntities().iterator().next();
                ObjEntity objectEntity = descriptor.getEntity();
                prefetch.setEntityName(objectEntity.getName());
                Expression prefetchExp = ExpressionFactory.exp(prefetch.getPath());
                Expression dbPrefetch = objectEntity.translateToDbPath(prefetchExp);
                DbRelationship r = null;
                for (PathComponent<DbAttribute, DbRelationship> component : table.resolvePath(dbPrefetch, context.getMetadata().getPathSplitAliases())) {
                    r = component.getRelationship();
                }
                if (r == null) {
                    throw new CayenneRuntimeException("Invalid joint prefetch '%s' for entity: %s", prefetch, objectEntity.getName());
                }
                for (DbAttribute attribute : r.getTargetEntity().getAttributes()) {
                    appendColumn(prefetch.getEjbqlPathEntityId() + "." + prefetch.getPath(), attribute, "", prefetch.getPath() + "." + attribute.getName(), null);
                }
            }
        }
    }
}

Example 28 with CayenneRuntimeException

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

the class EJBQLIdentifierColumnsTranslator method visitIdentifier.

@Override
public boolean visitIdentifier(EJBQLExpression expression) {
    Map<String, String> xfields = null;
    if (context.isAppendingResultColumns()) {
        xfields = context.nextEntityResult().getFields();
    }
    // assign whatever we have to a final ivar so that it can be accessed
    // within
    // the inner class
    final Map<String, String> fields = xfields;
    final String idVar = expression.getText();
    // append all table columns ... the trick is to follow the algorithm for
    // describing the fields in the expression compiler, so that we could
    // assign
    // columns labels from FieldResults in the order we encounter them
    // here...
    // TODO: andrus 2008/02/17 - this is a bit of a hack, think of a better
    // solution
    ClassDescriptor descriptor = context.getEntityDescriptor(idVar);
    PropertyVisitor visitor = new PropertyVisitor() {

        public boolean visitAttribute(AttributeProperty property) {
            ObjAttribute oa = property.getAttribute();
            Iterator<?> dbPathIterator = oa.getDbPathIterator();
            EJBQLJoinAppender joinAppender = null;
            String marker = null;
            EJBQLTableId lhsId = new EJBQLTableId(idVar);
            while (dbPathIterator.hasNext()) {
                Object pathPart = dbPathIterator.next();
                if (pathPart == null) {
                    throw new CayenneRuntimeException("ObjAttribute has no component: %s", oa.getName());
                } else if (pathPart instanceof DbRelationship) {
                    if (marker == null) {
                        marker = EJBQLJoinAppender.makeJoinTailMarker(idVar);
                        joinAppender = context.getTranslatorFactory().getJoinAppender(context);
                    }
                    DbRelationship dr = (DbRelationship) pathPart;
                    EJBQLTableId rhsId = new EJBQLTableId(lhsId, dr.getName());
                    joinAppender.appendOuterJoin(marker, lhsId, rhsId);
                    lhsId = rhsId;
                } else if (pathPart instanceof DbAttribute) {
                    appendColumn(idVar, oa, (DbAttribute) pathPart, fields, oa.getType());
                }
            }
            return true;
        }

        public boolean visitToMany(ToManyProperty property) {
            visitRelationship(property);
            return true;
        }

        public boolean visitToOne(ToOneProperty property) {
            visitRelationship(property);
            return true;
        }

        private void visitRelationship(ArcProperty property) {
            ObjRelationship rel = property.getRelationship();
            DbRelationship dbRel = rel.getDbRelationships().get(0);
            for (DbJoin join : dbRel.getJoins()) {
                DbAttribute src = join.getSource();
                appendColumn(idVar, null, src, fields);
            }
        }
    };
    // EJBQL queries are polymorphic by definition - there is no distinction
    // between
    // inheritance/no-inheritance fetch
    descriptor.visitAllProperties(visitor);
    // append id columns ... (some may have been appended already via
    // relationships)
    DbEntity table = descriptor.getEntity().getDbEntity();
    for (DbAttribute pk : table.getPrimaryKeys()) {
        appendColumn(idVar, null, pk, fields);
    }
    // append inheritance discriminator columns...
    for (ObjAttribute column : descriptor.getDiscriminatorColumns()) {
        appendColumn(idVar, column, column.getDbAttribute(), fields);
    }
    addPrefetchedColumnsIfAny(idVar);
    return false;
}

Example 29 with CayenneRuntimeException

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

the class JettyHttpClientConnectionProvider method initJettyHttpClient.

protected HttpClient initJettyHttpClient() {
    try {
        HttpClient httpClient = new HttpClient(new SslContextFactory());
        httpClient.start();
        return httpClient;
    } catch (Exception e) {
        throw new CayenneRuntimeException("Exception while starting Jetty HttpClient.", e);
    }
}

Example 30 with CayenneRuntimeException

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

the class ClientChannel method setupRemoteChannelListener.

/**
 * Starts up an EventBridge to listen for remote updates. Returns true if the listener
 * was setup, false if not. False can be returned if the underlying connection doesn't
 * support events of if there is no EventManager available.
 */
protected boolean setupRemoteChannelListener() throws CayenneRuntimeException {
    if (eventManager == null) {
        return false;
    }
    EventBridge bridge = connection.getServerEventBridge();
    if (bridge == null) {
        return false;
    }
    try {
        // make sure events are sent on behalf of this channel...and received from all
        bridge.startup(eventManager, EventBridge.RECEIVE_LOCAL_EXTERNAL, null, this);
    } catch (Exception e) {
        throw new CayenneRuntimeException("Error starting EventBridge " + bridge, e);
    }
    this.remoteChannelListener = bridge;
    return true;
}