Examples of org.apache.deltaspike.data.spi.DelegateQueryHandler

org.apache.deltaspike.data.spi.DelegateQueryHandler

A marker interface. Used for writing custom query methods:

 public interface RepositoryExtension { E saveAndFlushAndRefresh(E entity); } public class DelegateRepositoryExtension implements RepositoryExtension, DelegateQueryHandler { @Inject private QueryInvocationContext context; @Override public E saveAndFlushAndRefresh(E entity) { ... } }

The extension is now usable with: @Repository public interface MySimpleRepository extends RepositoryExtension, EntityRepository { }

    @Override
    public Object execute(CdiQueryInvocationContext context)
    {
        try
        {
            DelegateQueryHandler delegate = selectDelegate(context);
            if (delegate != null)
            {
                return invoke(delegate, context);
            }
        }

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            if (contains(bean.getBeanClass(), context.getMethod()))
            {
                if (bean.getScope().equals(Dependent.class))
                {
                    CreationalContext<DelegateQueryHandler> cc = beanManager.createCreationalContext(bean);
                    DelegateQueryHandler instance = (DelegateQueryHandler) beanManager.getReference(
                            bean, DelegateQueryHandler.class, cc);
                    context.addDestroyable(new BeanDestroyable<DelegateQueryHandler>(bean, instance, cc));
                    return instance;
                }
                return (DelegateQueryHandler) BeanProvider.getContextualReference(bean.getBeanClass());

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    @Override
    public Object execute(CdiQueryInvocationContext context)
    {
        try
        {
            DelegateQueryHandler delegate = selectDelegate(context.getMethod());
            if (delegate != null)
            {
                return invoke(delegate, context);
            }
        }

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Related Classes of org.apache.deltaspike.data.spi.DelegateQueryHandler

org.apache.deltaspike.data.impl.builder.DelegateQueryBuilder

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