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

org.jboss.dna.graph.request.ReadPropertyRequest
Instruction to read a single property on the node at the specified location.

     * 
     * @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.ReadPropertyRequest)
     */
    @Override
    public void process( ReadPropertyRequest request ) {
        ReadPropertyRequest source = (ReadPropertyRequest)federatedRequest.getFirstProjectedRequest().getRequest();
        if (checkErrorOrCancel(request, source)) return;
        request.setActualLocationOfNode(source.getActualLocationOfNode());
        request.setProperty(source.getProperty());
        request.setCachePolicy(getDefaultCachePolicy());
        setCacheableInfo(request, source.getCachePolicy());
    }

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                if (request instanceof ReadAllPropertiesRequest) {
                    ReadAllPropertiesRequest read = (ReadAllPropertiesRequest)request;
                    DateTime expires = computeExpirationTime(read);
                    getOrCreateNode(read.getActualLocationOfNode(), expires).setProperties(read.getPropertiesByName());
                } else if (request instanceof ReadPropertyRequest) {
                    ReadPropertyRequest read = (ReadPropertyRequest)request;
                    DateTime expires = computeExpirationTime(read);
                    getOrCreateNode(read.getActualLocationOfNode(), expires).addProperty(read.getProperty());
                } else if (request instanceof ReadNodeRequest) {
                    ReadNodeRequest read = (ReadNodeRequest)request;
                    DateTime expires = computeExpirationTime(read);
                    BatchResultsNode node = getOrCreateNode(read.getActualLocationOfNode(), expires);
                    node.setProperties(read.getPropertiesByName());
                    node.setChildren(read.getChildren());
                } else if (request instanceof ReadBlockOfChildrenRequest) {
                    throw new IllegalStateException();
                } else if (request instanceof ReadAllChildrenRequest) {
                    ReadAllChildrenRequest read = (ReadAllChildrenRequest)request;
                    DateTime expires = computeExpirationTime(read);
                    getOrCreateNode(read.getActualLocationOfNode(), expires).setChildren(read.getChildren());
                } else if (request instanceof ReadBranchRequest) {
                    ReadBranchRequest read = (ReadBranchRequest)request;
                    DateTime expires = computeExpirationTime(read);
                    for (Location location : read) {
                        BatchResultsNode node = getOrCreateNode(location, expires);
                        node.setProperties(read.getPropertiesFor(location));
                        node.setChildren(read.getChildren(location));
                    }
                }
            }
            for (Map.Entry<Path, BatchResultsNode> entry : nodes.entrySet()) {
                entry.getValue().freeze();

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            if (request instanceof ReadAllPropertiesRequest) {
                ReadAllPropertiesRequest read = (ReadAllPropertiesRequest)request;
                DateTime expires = computeExpirationTime(read);
                getOrCreateNode(read.getActualLocationOfNode(), expires).setProperties(read.getPropertiesByName());
            } else if (request instanceof ReadPropertyRequest) {
                ReadPropertyRequest read = (ReadPropertyRequest)request;
                DateTime expires = computeExpirationTime(read);
                getOrCreateNode(read.getActualLocationOfNode(), expires).addProperty(read.getProperty());
            } else if (request instanceof ReadNodeRequest) {
                ReadNodeRequest read = (ReadNodeRequest)request;
                DateTime expires = computeExpirationTime(read);
                BatchResultsNode node = getOrCreateNode(read.getActualLocationOfNode(), expires);
                node.setProperties(read.getPropertiesByName());
                node.setChildren(read.getChildren());
            } else if (request instanceof ReadBlockOfChildrenRequest) {
                throw new IllegalStateException();
            } else if (request instanceof ReadAllChildrenRequest) {
                ReadAllChildrenRequest read = (ReadAllChildrenRequest)request;
                DateTime expires = computeExpirationTime(read);
                getOrCreateNode(read.getActualLocationOfNode(), expires).setChildren(read.getChildren());
            } else if (request instanceof ReadBranchRequest) {
                ReadBranchRequest read = (ReadBranchRequest)request;
                DateTime expires = computeExpirationTime(read);
                for (Location location : read) {
                    BatchResultsNode node = getOrCreateNode(location, expires);
                    node.setProperties(read.getPropertiesFor(location));
                    node.setChildren(read.getChildren(location));
                }
            }
            for (Map.Entry<Path, BatchResultsNode> entry : nodes.entrySet()) {
                entry.getValue().freeze();
            }

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        String workspaceName = request.inWorkspace();
        Location on = request.on();
        Name propertyName = request.property();


        // Read in the current values
        ReadPropertyRequest readProperty = new ReadPropertyRequest(on, workspaceName, propertyName);
        process(readProperty);


        if (readProperty.hasError()) {
            request.setError(readProperty.getError());
            return;
        }


        Property property = readProperty.getProperty();
        List<Object> actualRemovedValues = new ArrayList<Object>(request.removedValues().size());
        List<Object> newValues = property == null ? new LinkedList<Object>() : new LinkedList<Object>(
                                                                                          Arrays.asList(property.getValuesAsArray()));
        // Calculate what the new values should be
        for (Object removedValue : request.removedValues()) {

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        String workspaceName = graph.getCurrentWorkspaceName();
        Location firstChildLocation = graph.getChildren().of("/").get(0);
        Node firstChild = graph.getNodeAt(firstChildLocation);
        // Don't use the graph so that we can obtain and interrogate the request ...
        for (Property property : firstChild.getProperties()) {
            CacheableRequest request = new ReadPropertyRequest(firstChildLocation, workspaceName, property.getName());
            execute(request);
            assertThat(request.getTimeLoaded(), is(notNullValue()));
        }
    }

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    protected void assertNextRequestReadProperty( Location at,
                                                  Property property ) {
        Request request = executedRequests.poll();
        assertThat(request, is(instanceOf(ReadPropertyRequest.class)));
        ReadPropertyRequest read = (ReadPropertyRequest)request;
        assertThat(read.on(), is(at));
        assertThat(read.getProperty(), is(property));
    }

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