Examples of org.jboss.dna.graph.request.Request

org.jboss.dna.graph.request.Request
The abstract base class for all classes representing requests to be executed against a {@link RepositoryConnection}.

            } else if (request instanceof CompositeRequest) {
                CompositeRequest composite = (CompositeRequest)request;
                List<Request> delegateRequests = null;
                RequestProcessor searchProcessor = null;
                try {
                    Request delegateRequest = composite;
                    for (Request nested : composite) {
                        if (nested instanceof AccessQueryRequest) {
                            AccessQueryRequest queryRequest = (AccessQueryRequest)request;
                            if (searchProcessor == null) searchProcessor = searchEngine().createProcessor(context, null, true);
                            searchProcessor.process(queryRequest);

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                return execute(requests);
            }


            protected Map<Location, Property> execute( List<ReadPropertyRequest> requests ) {
                // Create a composite request ...
                Request composite = CompositeRequest.with(requests);
                Graph.this.execute(composite);
                Map<Location, Property> results = new HashMap<Location, Property>();
                for (ReadPropertyRequest request : requests) {
                    Property property = request.getProperty();
                    Location location = request.getActualLocationOfNode();

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                String workspace = getCurrentWorkspaceName();
                for (Name propertyName : names) {
                    requests.add(new ReadPropertyRequest(at, workspace, propertyName));
                }
                // Create a composite request ...
                Request composite = CompositeRequest.with(requests);
                Graph.this.execute(composite);
                Map<Name, Property> results = new HashMap<Name, Property>();
                for (ReadPropertyRequest request : requests) {
                    Property property = request.getProperty();
                    results.put(property.getName(), property);
                }
                return results;
            }


            public Map<Location, Map<Name, Property>> on( Collection<Location> locations ) {
                CheckArg.isNotNull(locations, "locations");
                final List<ReadPropertyRequest> requests = new LinkedList<ReadPropertyRequest>();
                String workspace = getCurrentWorkspaceName();
                for (Location location : locations) {
                    if (location == null) continue;
                    for (Name propertyName : names) {
                        if (propertyName == null) continue;
                        requests.add(new ReadPropertyRequest(location, workspace, propertyName));
                    }
                }
                return execute(requests);
            }


            /**
             * {@inheritDoc}
             * 
             * @see org.jboss.dna.graph.Graph.OnMultiple#on(org.jboss.dna.graph.Location, org.jboss.dna.graph.Location[])
             */
            public Map<Location, Map<Name, Property>> on( Location first,
                                                          Location... additional ) {
                CheckArg.isNotNull(first, "first");
                final List<ReadPropertyRequest> requests = new LinkedList<ReadPropertyRequest>();
                String workspace = getCurrentWorkspaceName();
                for (Location location : additional) {
                    if (location == null) continue;
                    for (Name propertyName : names) {
                        if (propertyName == null) continue;
                        requests.add(new ReadPropertyRequest(first, workspace, propertyName));
                        requests.add(new ReadPropertyRequest(location, workspace, propertyName));
                    }
                }
                return execute(requests);
            }


            /**
             * {@inheritDoc}
             * 
             * @see org.jboss.dna.graph.Graph.OnMultiple#on(org.jboss.dna.graph.property.Path,
             *      org.jboss.dna.graph.property.Path[])
             */
            public Map<Location, Map<Name, Property>> on( Path first,
                                                          Path... additional ) {
                CheckArg.isNotNull(first, "first");
                List<Location> locations = new LinkedList<Location>();
                locations.add(Location.create(first));
                for (Path path : additional) {
                    if (path != null) locations.add(Location.create(path));
                }
                return on(locations);
            }


            /**
             * {@inheritDoc}
             * 
             * @see org.jboss.dna.graph.Graph.OnMultiple#on(java.lang.String, java.lang.String[])
             */
            public Map<Location, Map<Name, Property>> on( String first,
                                                          String... additional ) {
                CheckArg.isNotNull(first, "first");
                List<Location> locations = new LinkedList<Location>();
                locations.add(Location.create(createPath(first)));
                for (String path : additional) {
                    if (path != null) locations.add(Location.create(createPath(path)));
                }
                return on(locations);
            }


            /**
             * {@inheritDoc}
             * 
             * @see org.jboss.dna.graph.Graph.OnMultiple#on(java.util.UUID, java.util.UUID[])
             */
            public Map<Location, Map<Name, Property>> on( UUID first,
                                                          UUID... additional ) {
                CheckArg.isNotNull(first, "first");
                List<Location> locations = new LinkedList<Location>();
                locations.add(Location.create(first));
                for (UUID uuid : additional) {
                    if (uuid != null) locations.add(Location.create(uuid));
                }
                return on(locations);
            }


            protected Map<Location, Map<Name, Property>> execute( List<ReadPropertyRequest> requests ) {
                // Create a composite request ...
                Request composite = CompositeRequest.with(requests);
                Graph.this.execute(composite);
                Map<Location, Map<Name, Property>> results = new HashMap<Location, Map<Name, Property>>();
                for (ReadPropertyRequest request : requests) {
                    Property property = request.getProperty();

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        }
    }


    protected final void process( FederatedRequest forked ) {
        // Determine whether this is a single mirror request ...
        Request original = forked.original();
        ProjectedRequest projectedRequest = forked.getFirstProjectedRequest();
        boolean sameLocation = projectedRequest != null && !projectedRequest.hasNext() && projectedRequest.isSameLocation();


        // Set the cachable information ...
        if (original instanceof CacheableRequest) {
            CacheableRequest cacheableOriginal = (CacheableRequest)original;
            cacheableOriginal.setCachePolicy(getDefaultCachePolicy());
            while (projectedRequest != null) {
                Request requestToSource = projectedRequest.getRequest();
                if (cacheableOriginal != null) {
                    setCacheableInfo(cacheableOriginal, ((CacheableRequest)requestToSource).getCachePolicy());
                }
                projectedRequest = projectedRequest.next();
            }
        }


        // Now do the join on this request ...
        if (sameLocation) {
            Request sourceRequest = forked.getFirstProjectedRequest().getRequest();
            if (sourceRequest.hasError()) {
                original.setError(sourceRequest.getError());
            } else if (sourceRequest.isCancelled()) {
                original.cancel();
            }
            mirrorProcessor.setFederatedRequest(forked);
            mirrorProcessor.process(original);
            // If this is a change request, record it on this processor so it goes to the observer ...

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        request.setCachePolicy(getDefaultCachePolicy());
        Location actualLocation = request.at();
        int numMerged = 0;
        while (projectedRequest != null) {
            Request sourceRequest = projectedRequest.getRequest();
            if (sourceRequest.hasError()) {
                projectedRequest = projectedRequest.next();
                continue;
            }
            if (sourceRequest.isCancelled()) {
                request.cancel();
                return;
            }


            Projection projection = projectedRequest.getProjection();

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    protected void setPathNotFound( Request original,
                                    Location originalLocation,
                                    ProjectedRequest projected ) {
        Path lowestExistingInFederated = pathFactory.createRootPath();
        while (projected != null) {
            Request projectedRequest = projected.getRequest();
            Throwable error = projectedRequest.getError();
            if (error instanceof PathNotFoundException) {
                PathNotFoundException notFound = (PathNotFoundException)error;
                Path lowestExisting = notFound.getLowestAncestorThatDoesExist();
                // Project back to the repository level ...
                for (Path federatedPath : projected.getProjection().getPathsInRepository(lowestExisting, pathFactory)) {

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        request.setCachePolicy(getDefaultCachePolicy());
        Location actualLocation = request.of();
        int numMerged = 0;
        while (projectedRequest != null) {
            Request sourceRequest = projectedRequest.getRequest();
            if (sourceRequest.hasError()) {
                projectedRequest = projectedRequest.next();
                continue;
            }
            if (sourceRequest.isCancelled()) {
                request.cancel();
                return;
            }


            Projection projection = projectedRequest.getProjection();

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    public void process( CreateNodeRequest request ) {
        ProjectedRequest projected = federatedRequest.getFirstProjectedRequest();
        // Check the projection first ...
        if (checkErrorOrCancel(request, federatedRequest)) return;


        Request projectedRequest = projected.getRequest();
        // Check the error on the projected request ...
        if (checkErrorOrCancel(request, projectedRequest)) return;


        // No error, so project the results back to the federated repository ...
        Location sourceLocation = null;

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        ProjectedRequest projected = federatedRequest.getFirstProjectedRequest();
        // Check the projection first ...
        if (checkErrorOrCancel(request, federatedRequest)) return;


        // Do an initial check to make sure that there was no error on the source that prevented projection
        Request projectedSource = projected.getRequest();
        if (checkErrorOrCancel(request, projectedSource)) return;


        // Go through the projected requests, and look for the top-most node ...
        Location highest = null;
        while (projected != null) {
            // The projected request should either be a DeleteChildrenRequest (if the node being deleted is
            // at the top of a projection and therefore required to exist) or a DeleteBranchRequest (in all
            // other cases)...
            Location actual = null;
            Request sourceRequest = projected.getRequest();
            if (sourceRequest instanceof DeleteBranchRequest) {
                DeleteBranchRequest source = (DeleteBranchRequest)projected.getRequest();
                actual = source.getActualLocationOfNode();
            } else {
                DeleteChildrenRequest source = (DeleteChildrenRequest)projected.getRequest();

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        ProjectedRequest projected = federatedRequest.getFirstProjectedRequest();
        // Check the projection first ...
        if (checkErrorOrCancel(request, federatedRequest)) return;


        // Do an initial check to make sure that there was no error on the source that prevented projection
        Request projectedSource = projected.getRequest();
        if (checkErrorOrCancel(request, projectedSource)) return;


        // Go through the projected requests, and look for the top-most node ...
        Location highest = null;
        while (projected != null) {
            // The projected request should a DeleteChildrenRequest ...
            Request sourceRequest = projected.getRequest();
            DeleteChildrenRequest source = (DeleteChildrenRequest)projected.getRequest();
            Location actual = source.getActualLocationOfNode();
            if (checkErrorOrCancel(request, sourceRequest)) return;
            if (!projected.isSameLocation() && projected.getProjection() != null) {
                actual = projectToFederated(request.at(), projected.getProjection(), actual, request);

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org.jboss.dna.graph.connector.federation.FederatedRepositoryConnectionTest

org.jboss.dna.graph.connector.federation.ForkRequestProcessor$Channel

org.jboss.dna.graph.connector.federation.JoinRequestProcessor

org.jboss.dna.graph.connector.federation.JoinRequestProcessorTest

org.jboss.dna.graph.Graph

org.jboss.dna.graph.Graph$Batch

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org.jboss.dna.graph.search.SearchableRepositorySource$SynchronousConnection

org.jboss.dna.graph.session.GraphSession

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