Examples of org.impalaframework.graph.Vertex

org.impalaframework.graph.Vertex
Based on original source code from Apache Avalon: Vertex Vertex is used to track dependencies and each moduleDefinition in a graph. Typical uses would be to ensure components are started up and torn down in the proper order, or bundles were loaded and unloaded in the proper order, etc. @author Avalon Development Team @version CVS $ Revision: 1.1 $

     */
    private List<Vertex> getVertexAndOrderedDependants(String name) {
        
        Assert.notNull(name, "name cannot be null");
        
        final Vertex current = getRequiredVertex(name);
        
        //get all dependents
        final List<Vertex> dependents = getVertexDependants(name);
        List<Vertex> ordered = getOrderedDependants(current, dependents);
        return ordered;

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     */
    private List<Vertex> getVertexDependencyList(String name) { 
        
        Assert.notNull(name, "name cannot be null");
        
        Vertex vertex = getRequiredVertex(name);
        
        //list the vertices in the correct order
        final List<Vertex> vertextList = GraphHelper.list(vertex);
        return vertextList;
    }

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        Assert.notNull(definitions, "definitions cannot be null");
        
        List<Vertex> vertices = new ArrayList<Vertex>();
        for (ModuleDefinition moduleDefinition : definitions) {
            final Vertex vertex = getRequiredVertex(moduleDefinition.getName());
            
            vertices.add(vertex);
        }
        return vertices;
    }

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    private Vertex populateVertex(ModuleDefinition moduleDefinition) {
        
        Assert.notNull(moduleDefinition, "moduleDefinition cannot be null");
        
        String name = moduleDefinition.getName();
        final Vertex vertex = new Vertex(moduleDefinition);
        vertexMap.put(name, vertex);
        return vertex;
    }

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    private void populateDependencies(Vertex vertex, ModuleDefinition moduleDefinition, boolean optional) {
        
        final List<String> dependentModuleNames = moduleDefinition.getDependentModuleNames(optional);
        for (String dependent : dependentModuleNames) {
            
            final Vertex dependentVertex = vertexMap.get(dependent);
            
            if (dependentVertex == null) {
                if (!optional) {
                    throw new InvalidStateException("Unable to dependency named named '" + dependent 
                            + "' for module definition '" + moduleDefinition.getName() + "'");

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Related Classes of org.impalaframework.graph.Vertex

org.impalaframework.classloader.graph.DependencyManager

org.impalaframework.graph.GraphHelperTest

org.impalaframework.graph.VertexTestCase

org.impalaframework.module.definition.DependencyManager

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