Package org.jboss.dna.graph.connector.federation.FederatedRequest

Examples of org.jboss.dna.graph.connector.federation.FederatedRequest.ProjectedRequest

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     *
     * @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.RemovePropertyRequest)
     */
    @Override
    public void process( RemovePropertyRequest request ) {
        ProjectedRequest projected = federatedRequest.getFirstProjectedRequest();
        // Check the projection first ...
        if (checkErrorOrCancel(request, federatedRequest)) return;

        SetPropertyRequest source = (SetPropertyRequest)projected.getRequest();
        if (checkErrorOrCancel(request, source)) return;
        Location sourceLocation = source.getActualLocationOfNode();
        request.setActualLocationOfNode(projectToFederated(request.from(), projected.getProjection(), sourceLocation, request));
    }
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     *
     * @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.DeleteBranchRequest)
     */
    @Override
    public void process( DeleteBranchRequest request ) {
        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();
                actual = source.getActualLocationOfNode();
            }
            if (checkErrorOrCancel(request, sourceRequest)) return;
            if (!projected.isSameLocation() && projected.getProjection() != null) {
                actual = projectToFederated(request.at(), projected.getProjection(), actual, request);
            }
            if (highest == null) highest = actual;
            else if (highest.getPath().isDecendantOf(actual.getPath())) highest = actual;
            projected = projected.next();
        }
        assert highest != null;
        request.setActualLocationOfNode(highest);
    }
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     *
     * @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.DeleteChildrenRequest)
     */
    @Override
    public void process( DeleteChildrenRequest request ) {
        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);
            }
            if (highest == null) highest = actual;
            else if (highest.getPath().isDecendantOf(actual.getPath())) highest = actual;
            projected = projected.next();
        }
        assert highest != null;
        request.setActualLocationOfNode(highest);
    }
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     *
     * @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.RenameNodeRequest)
     */
    @Override
    public void process( RenameNodeRequest request ) {
        ProjectedRequest projected = federatedRequest.getFirstProjectedRequest();
        // Check the projection first ...
        if (checkErrorOrCancel(request, federatedRequest)) return;

        RenameNodeRequest source = (RenameNodeRequest)projected.getRequest();
        if (checkErrorOrCancel(request, source)) return;
        Location locationBefore = source.getActualLocationBefore();
        Location locationAfter = source.getActualLocationBefore();
        locationBefore = projectToFederated(request.at(), projected.getProjection(), locationBefore, request);
        locationAfter = projectToFederated(request.at(), projected.getSecondProjection(), locationAfter, request);
        request.setActualLocations(locationBefore, locationAfter);
    }
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     *
     * @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.CopyBranchRequest)
     */
    @Override
    public void process( CopyBranchRequest request ) {
        ProjectedRequest projected = federatedRequest.getFirstProjectedRequest();
        // Check the projection first ...
        if (checkErrorOrCancel(request, federatedRequest)) return;

        CopyBranchRequest source = (CopyBranchRequest)projected.getRequest();
        if (checkErrorOrCancel(request, source)) return;
        Location locationBefore = source.getActualLocationBefore();
        Location locationAfter = source.getActualLocationBefore();
        locationBefore = projectToFederated(request.from(), projected.getProjection(), locationBefore, request);
        locationAfter = projectToFederated(request.into(), projected.getSecondProjection(), locationAfter, request);
        request.setActualLocations(locationBefore, locationAfter);
    }
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     *
     * @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.CloneBranchRequest)
     */
    @Override
    public void process( CloneBranchRequest request ) {
        ProjectedRequest projected = federatedRequest.getFirstProjectedRequest();
        // Check the projection first ...
        if (checkErrorOrCancel(request, federatedRequest)) return;

        CloneBranchRequest source = (CloneBranchRequest)projected.getRequest();
        if (checkErrorOrCancel(request, source)) return;
        Location locationBefore = source.getActualLocationBefore();
        Location locationAfter = source.getActualLocationBefore();
        locationBefore = projectToFederated(request.from(), projected.getProjection(), locationBefore, request);
        locationAfter = projectToFederated(request.into(), projected.getSecondProjection(), locationAfter, request);
        request.setActualLocations(locationBefore, locationAfter);
        if (source.removeExisting()) {
            Set<Location> removed = new HashSet<Location>();
            for (Location location : request.getRemovedNodes()) {
                removed.add(projectToFederated(projected.getSecondProjection(), location, request));
            }
            request.setRemovedNodes(Collections.unmodifiableSet(removed));
        }
    }
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     *
     * @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.MoveBranchRequest)
     */
    @Override
    public void process( MoveBranchRequest request ) {
        ProjectedRequest projected = federatedRequest.getFirstProjectedRequest();
        // Check the projection first ...
        if (checkErrorOrCancel(request, federatedRequest)) return;

        MoveBranchRequest source = (MoveBranchRequest)projected.getRequest();
        if (checkErrorOrCancel(request, source)) return;
        Location locationBefore = source.getActualLocationBefore();
        Location locationAfter = source.getActualLocationBefore();
        locationBefore = projectToFederated(request.from(), projected.getProjection(), locationBefore, request);
        Projection afterProjection = projected.getSecondProjection();
        if (afterProjection == null) projected.getProjection();
        locationAfter = projectToFederated(request.into(), afterProjection, locationAfter, request);
        request.setActualLocations(locationBefore, locationAfter);
    }
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     *
     * @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.VerifyWorkspaceRequest)
     */
    @Override
    public void process( VerifyWorkspaceRequest request ) {
        ProjectedRequest projectedRequest = federatedRequest.getFirstProjectedRequest();

        Location actualLocation = Location.create(getExecutionContext().getValueFactories().getPathFactory().createRootPath());
        while (projectedRequest != null) {
            VerifyNodeExistsRequest readFromSource = (VerifyNodeExistsRequest)projectedRequest.getRequest();
            if (readFromSource.hasError()) {
                request.setError(readFromSource.getError());
                return;
            }
            request.setError(null);
            if (readFromSource.isCancelled()) {
                request.cancel();
                return;
            }

            Location sourceLocation = readFromSource.getActualLocationOfNode();
            if (sourceLocation.hasIdProperties()) {
                // Accumulate the identification properties ...
                for (Property propertyInSource : sourceLocation.getIdProperties()) {
                    Name name = propertyInSource.getName();
                    Property existing = actualLocation.getIdProperty(name);
                    if (existing != null) {
                        // Merge the property values ...
                        propertyInSource = merge(existing, propertyInSource, propertyFactory, true);
                    }
                    actualLocation = actualLocation.with(propertyInSource);
                }
            }
            projectedRequest = projectedRequest.next();
        }
        request.setActualRootLocation(actualLocation);
    }
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    protected void submit( FederatedRequest request ) {
        request.freeze();
        if (request.hasIncompleteRequests()) {
            // Submit the projected requests ...
            ProjectedRequest projected = request.getFirstProjectedRequest();
            while (projected != null) {
                if (!projected.isComplete()) {
                    // Submit to the appropriate source channel for execution ...
                    submit(projected.getRequest(), projected.getProjection().getSourceName(), request.getLatch());
                }
                projected = projected.next();
            }
        }
        // Record this federated request, ready for the join processor ...
        this.federatedRequestQueue.add(request);
    }
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    protected void submit( FederatedRequest request ) {
        request.freeze();
        if (request.hasIncompleteRequests()) {
            // Submit the projected requests ...
            ProjectedRequest projected = request.getFirstProjectedRequest();
            while (projected != null) {
                if (!projected.isComplete()) {
                    // Submit to the appropriate source channel for execution ...
                    submit(projected.getRequest(), projected.getProjection().getSourceName(), request.getLatch());
                }
                projected = projected.next();
            }
        }
        // Record this federated request, ready for the join processor ...
        this.federatedRequestQueue.add(request);
    }
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Related Classes of org.jboss.dna.graph.connector.federation.FederatedRequest.ProjectedRequest

  • org.jboss.dna.graph.connector.federation.FederatedRequestTest
  • org.jboss.dna.graph.connector.federation.ForkRequestProcessor
  • org.jboss.dna.graph.connector.federation.JoinRequestProcessor
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