Examples of org.apache.cayenne.util.GenericResponse

org.apache.cayenne.util.GenericResponse
A simple serializable implementation of QueryResponse. @since 1.2

            ObjectId targetId = sourceRow.createTargetObjectId(relationship
                    .getTargetEntityName(), dbRelationship);


            // null id means that FK is null...
            if (targetId == null) {
                this.response = new GenericResponse(Collections.EMPTY_LIST);
                return DONE;
            }


            DataRow targetRow = cache.getCachedSnapshot(targetId);


            DataRow resultRow;


            if (targetRow != null) {
                resultRow = targetRow;
            }
            // if no inheritance involved, we can return a valid partial row made from
            // the target Id alone...
            else if (domain.getEntityResolver().lookupInheritanceTree(
                    (ObjEntity) relationship.getTargetEntity()) == null) {


                resultRow = new DataRow(targetId.getIdSnapshot());
            }
            else {
                // can't guess the right target...
                return !DONE;
            }


            this.response = new GenericResponse(Collections.singletonList(resultRow));
            return DONE;
        }


        return !DONE;
    }

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        });
    }


    private void runQuery() {
        // reset
        this.fullResponse = new GenericResponse();
        this.response = this.fullResponse;
        this.queriesByNode = null;
        this.queriesByExecutedQueries = null;


        // whether this is null or not will driver further decisions on how to process

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            ObjectId targetId = sourceRow.createTargetObjectId(relationship
                    .getTargetEntityName(), dbRelationship);


            // null id means that FK is null...
            if (targetId == null) {
                this.response = new GenericResponse(Collections.EMPTY_LIST);
                return DONE;
            }


            DataRow targetRow = cache.getCachedSnapshot(targetId);


            if (targetRow != null) {
                this.response = new GenericResponse(Collections.singletonList(targetRow));
                return DONE;
            }


            ObjEntity targetEntity = (ObjEntity) relationship.getTargetEntity();


            // do not create a target hollow object for qualified entities or entities
            // involved in inheritance, as the target object may be null even for non-null
            // FK.
            if (context != null
                    && !isQualifiedEntity(targetEntity)
                    && domain.getEntityResolver().lookupInheritanceTree(targetEntity) == null) {


                // prevent passing partial snapshots to ObjectResolver per CAY-724. Create
                // a hollow object right here and skip object conversion downstream
                this.noObjectConversion = true;
                Object object = context.localObject(targetId, null);


                this.response = new GenericResponse(Collections.singletonList(object));
                return DONE;
            }
        }


        return !DONE;

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                if (domain.getSharedSnapshotCache() != null) {
                    domain.getSharedSnapshotCache().clear();
                }
                context.getQueryCache().clear();


                GenericResponse response = new GenericResponse();
                response.addUpdateCount(1);
                this.response = response;
                return DONE;
            }


            Collection<Persistent> objects = (Collection<Persistent>) refreshQuery
                    .getObjects();
            if (objects != null && !objects.isEmpty()) {


                Collection<ObjectId> ids = new ArrayList<ObjectId>(objects.size());
                for (final Persistent object : objects) {
                    ids.add(object.getObjectId());
                }


                if (domain.getSharedSnapshotCache() != null) {
                    // send an event for removed snapshots
                    domain.getSharedSnapshotCache().processSnapshotChanges(
                            context.getObjectStore(),
                            Collections.EMPTY_MAP,
                            Collections.EMPTY_LIST,
                            ids,
                            Collections.EMPTY_LIST);
                }


                GenericResponse response = new GenericResponse();
                response.addUpdateCount(1);
                this.response = response;
                return DONE;
            }


            // 3. refresh query - this shouldn't normally happen as child datacontext
            // usually does a cascading refresh
            if (refreshQuery.getQuery() != null) {
                Query cachedQuery = refreshQuery.getQuery();


                String cacheKey = cachedQuery
                        .getMetaData(context.getEntityResolver())
                        .getCacheKey();
                context.getQueryCache().remove(cacheKey);


                this.response = domain.onQuery(context, cachedQuery);
                return DONE;
            }


            // 4. refresh groups...
            if (refreshQuery.getGroupKeys() != null
                    && refreshQuery.getGroupKeys().length > 0) {


                String[] groups = refreshQuery.getGroupKeys();
                for (String group : groups) {
                    domain.getQueryCache().removeGroup(group);
                }


                GenericResponse response = new GenericResponse();
                response.addUpdateCount(1);
                this.response = response;
                return DONE;
            }
        }

View Full Code Here

        });
    }


    private void runQuery() {
        // reset
        this.fullResponse = new GenericResponse();
        this.response = this.fullResponse;
        this.queriesByNode = null;
        this.queriesByExecutedQueries = null;


        // whether this is null or not will driver further decisions on how to process

View Full Code Here

    @Override
    public QueryResponse performGenericQuery(Query query) {


        query = nonNullDelegate().willPerformGenericQuery(this, query);
        if (query == null) {
            return new GenericResponse();
        }


        if (this.getChannel() == null) {
            throw new CayenneRuntimeException(
                    "Can't run query - parent DataChannel is not set.");

View Full Code Here


    private void interceptObjectConversion() {


        if (!serverMetadata.isFetchingDataRows()) {


            GenericResponse clientResponse = new GenericResponse();


            for (response.reset(); response.next();) {
                if (response.isList()) {
                    List serverObjects = response.currentList();
                    clientResponse.addResultList(toClientObjects(serverObjects));


                }
                else {
                    clientResponse.addBatchUpdateCount(response.currentUpdateCount());
                }
            }


            this.response = clientResponse;
        }

View Full Code Here

    @Override
    public QueryResponse performGenericQuery(Query query) {


        query = nonNullDelegate().willPerformGenericQuery(this, query);
        if (query == null) {
            return new GenericResponse();
        }


        if (this.getChannel() == null) {
            throw new CayenneRuntimeException(
                    "Can't run query - parent DataChannel is not set.");

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                        if (arg instanceof BootstrapMessage) {
                            return new EntityResolver();
                        }
                        else {
                            return new GenericResponse(Arrays.asList(inflated));
                        }
                    }
                });


        ClientChannel channel = new ClientChannel(

View Full Code Here


                        if (arg instanceof BootstrapMessage) {
                            return new EntityResolver();
                        }
                        else {
                            return new GenericResponse(Arrays.asList(inflated));
                        }
                    }
                });
        ClientChannel channel = new ClientChannel(
                connection,

View Full Code Here

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