Examples of org.jboss.dna.graph.Graph$AccessQueryProcessor

org.jboss.dna.graph.Graph
kipedia.org/wiki/Domain_Specific_Language">embedded domain specific language, meaning calls to it are designed to read like sentences even though they are really just Java methods. And to be more readable, methods can be chained together.

                        Path parentPath = changedPath.getParent();
                        changedLocations.add(Location.create(parentPath));
                    }


                    // more efficient to get all of the locations at once then it is one at a time using the NetChange
                    Graph graph = getGraph();
                    this.propertiesByLocation = graph.getProperties(PRIMARY_TYPE, MIXIN_TYPES).on(changedLocations);
                }


                // handle events
                super.notify(changes);
            } finally {

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        // Set up the mock JNDI ...
        mockJndi = mock(Context.class);
        stub(mockJndi.lookup(anyString())).toReturn(null);
        source.setContext(mockJndi);


        Graph graph = Graph.create(source, context);
        graph.useWorkspace("default");


        return source;
    }

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             */
            public Subgraph getConfiguration( int depth ) {
                Subgraph result = null;
                RepositorySource configSource = getConfigurationSource();
                if (configSource != null) {
                    Graph config = Graph.create(configSource, getExecutionContext());
                    String workspaceName = getConfigurationWorkspaceName();
                    if (workspaceName != null) {
                        config.useWorkspace(workspaceName);
                    }
                    Path configPath = getPathToConfigurationRoot();
                    Path sourcePath = getExecutionContext().getValueFactories().getPathFactory().create(configPath, sourceName);
                    result = config.getSubgraphOfDepth(depth).at(sourcePath);
                }
                return result;
            }
        };
        // Do this before we remove the existing pool ...

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    public final Graph getGraph( ExecutionContext context,
                                 String sourceName ) {
        CheckArg.isNotNull(context, "context");
        CheckArg.isNotNull(sourceName, "sourceName");
        checkRunning();
        Graph graph = Graph.create(sourceName, getRepositoryService().getRepositoryLibrary(), context);
        if (configuration.getRepositorySource().getName().equals(sourceName) && configuration.getWorkspace() != null) {
            // set the workspace ...
            graph.useWorkspace(configuration.getWorkspace());
        }
        return graph;
    }

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     * Get a graph to the configuration content.
     * 
     * @return a graph to the configuration content
     */
    protected Graph getConfigurationGraph() {
        Graph result = Graph.create(configuration.getRepositorySource(), context);
        if (configuration.getWorkspace() != null) {
            result.useWorkspace(configuration.getWorkspace());
        }
        return result;
    }

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            this.configurationRepository = configurationRepository;
        }


        public List<MimeTypeDetectorConfig> getMimeTypeDetectors() {
            List<MimeTypeDetectorConfig> detectors = new ArrayList<MimeTypeDetectorConfig>();
            Graph graph = Graph.create(configurationRepository.getRepositorySource(), context);
            Path pathToSequencersNode = context.getValueFactories().getPathFactory().create(configurationRepository.getPath(),
                                                                                            DnaLexicon.MIME_TYPE_DETECTORS);
            try {
                Subgraph subgraph = graph.getSubgraphOfDepth(2).at(pathToSequencersNode);


                Set<Name> skipProperties = new HashSet<Name>();
                skipProperties.add(DnaLexicon.READABLE_NAME);
                skipProperties.add(DnaLexicon.DESCRIPTION);
                skipProperties.add(DnaLexicon.CLASSNAME);

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            return detectors;
        }


        public List<SequencerConfig> getSequencingConfigurations() {
            List<SequencerConfig> configs = new ArrayList<SequencerConfig>();
            Graph graph = Graph.create(configurationRepository.getRepositorySource(), context);
            Path pathToSequencersNode = context.getValueFactories().getPathFactory().create(configurationRepository.getPath(),
                                                                                            DnaLexicon.SEQUENCERS);
            try {
                Subgraph subgraph = graph.getSubgraphOfDepth(2).at(pathToSequencersNode);


                Set<Name> skipProperties = new HashSet<Name>();
                skipProperties.add(DnaLexicon.READABLE_NAME);
                skipProperties.add(DnaLexicon.DESCRIPTION);
                skipProperties.add(DnaLexicon.CLASSNAME);

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            } else {
                // The add/change/remove is either at or below a source, so try to create a new source for it ...
                Path sourcePath = changedNodeIsPotentiallySource ? changedPath : changedPath.subpath(0, configPath.size() + 1);
                Problems problems = new SimpleProblems();
                // Now read the node and create the source ...
                Graph graph = Graph.create(getConfigurationSourceName(), getRepositoryLibrary(), getExecutionEnvironment());
                try {
                    String workspaceName = getConfigurationWorkspaceName();
                    if (workspaceName != null) graph.useWorkspace(workspaceName);
                    Map<Name, Property> properties = graph.getPropertiesByName().on(sourcePath);
                    RepositorySource source = createRepositorySource(sourcePath, properties, problems);
                    if (source != null) {
                        // It was the config for a source, so try to add or replace an existing source ...
                        getRepositoryLibrary().addSource(source, true);
                    }

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        source.setName(DEFAULT_CONFIGURATION_SOURCE_NAME);
        source.setDefaultWorkspaceName(DEFAULT_WORKSPACE_NAME);


        // Import the information into the source ...
        Path pathToParent = path(path != null ? path : DEFAULT_PATH);
        Graph graph = Graph.create(source, context);
        graph.importXmlFrom(configurationFileInputStream).skippingRootElement(true).into(pathToParent);


        // The file was imported successfully, so now create the content information ...
        configurationContent = new ConfigurationDefinition(source, null, pathToParent, context, null);
        return this;
    }

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                                      String workspaceName,
                                      String pathInWorkspace ) {
        CheckArg.isNotNull(source, "source");


        // Verify connectivity ...
        Graph graph = Graph.create(source, context);
        if (workspaceName != null) {
            Workspace workspace = null;
            try {
                workspace = graph.useWorkspace(workspaceName); // should throw exception if not connectable
            } catch (InvalidWorkspaceException e) {
                // Try creating the workspace ...
                workspace = graph.createWorkspace().named(workspaceName);
            }
            assert workspace.getRoot() != null;
        }


        // Verify the path ...
        Path path = pathInWorkspace != null ? path(pathInWorkspace) : path(DEFAULT_PATH);
        Node parent = graph.getNodeAt(path);
        assert parent != null;


        // Now create the content information ...
        configurationContent = new ConfigurationDefinition(source, workspaceName, path, context, null);
        return this;

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