Examples of org.glassfish.hk2.api.JustInTimeInjectionResolver

org.glassfish.hk2.utilities.DescriptorImpl
The JustInTimeInjectionResolver is called when an injection point cannot find anything to inject. It allows a third party systems to dynamically add descriptors to the system whenever an injection point would have failed to resolve (or an Optional injection point found no service definitions).
All injection resolvers registered with the system will be called in a random order. Resolvers should therefore not rely on the ordering of installed injection resolvers. Any injection resolvers added as a result of this callback will NOT be called until the next injection resolution failure.
Implementations of this interface are placed into the registry like any other service.
If any of the registered injection resolvers commits a dynamic change then the system will try one more time to resolve the injection before failing (or returning null if the injection point is Optional). @author jwells




    private static Types getTypes(DeploymentContext context) {
        String metadataKey = Types.class.getName();


        Types types = (Types) context.getTransientAppMetadata().get(metadataKey);
        while (types == null) {
            context = ((ExtendedDeploymentContext) context).getParentContext();
            if (context != null) {
                types = (Types) context.getTransientAppMetadata().get(metadataKey);
            } else {

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    @Override
    public Types getDeployableTypes(DeploymentContext context) throws IOException {


        synchronized(context) {
            Types types = context.getTransientAppMetaData(Types.class.getName(), Types.class);
            if (types!=null) {
                return types;
            } else {


                try {

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        final Set<String> annotations = new HashSet<String>();
        annotations.add(Contract.class.getCanonicalName());
        annotations.add(Service.class.getCanonicalName());
        annotations.add("org.jvnet.hk2.config.Configured");


        builder.config(new ParsingConfig() {
            final Set<String> empty = Collections.emptySet();


            public Set<String> getAnnotationsOfInterest() {
                return empty;
            }

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     * @throws IllegalArgumentException if implementationClass is null
     */
    public static ActiveDescriptorBuilder activeLink(Class<?> implementationClass) throws IllegalArgumentException {
        if (implementationClass == null) throw new IllegalArgumentException();
        
        return new ActiveDescriptorBuilderImpl(implementationClass);
    }

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     * @throws IllegalArgumentException if implementationClass is null
     */
    public static DescriptorBuilder link(String implementationClass, boolean addToContracts) throws IllegalArgumentException {
        if (implementationClass == null) throw new IllegalArgumentException();
        
        return new DescriptorBuilderImpl(implementationClass, addToContracts);
    }

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     * 
     * @param contract The advertised contract to look for
     * @return The indexed filter that can be used to calls to ServiceLocator methods
     */
    public static IndexedFilter createContractFilter(String contract) {
        return new IndexedFilterImpl(contract, null);
    }

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     * 
     * @param name The name to look for
     * @return The indexed filter that can be used to calls to ServiceLocator methods
     */
    public static IndexedFilter createNameFilter(String name) {
        return new IndexedFilterImpl(null, name);
    }

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     * @param contract The advertised contract to look for
     * @param name The name to look for
     * @return The indexed filter that can be used to calls to ServiceLocator methods
     */
    public static IndexedFilter createNameAndContractFilter(String contract, String name) {
        return new IndexedFilterImpl(contract, name);
    }

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        if (descriptor.getLocatorId() == null) {
            throw new IllegalArgumentException("The descriptor must have a specific locator ID");
        }
        
        return new SpecificFilterImpl(contract, name,
                descriptor.getServiceId(),
                descriptor.getLocatorId());
        
    }

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        injectionMgr.inject(result, injector);
        return result;
    }
    
    private void parseInHk2LocatorOrig(BufferedReader reader, Map<String, String> cliCommandNames) throws IOException {
        DescriptorImpl desc = new DescriptorImpl();
        while (desc.readObject(reader)) {
            if (StringUtils.ok(desc.getName()) && desc.getAdvertisedContracts().contains(CLICommand.class.getName())) {
                cliCommandNames.put(desc.getName(), desc.getImplementation());
            }
        }
    }

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