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Eclipse JNoSQL Mapping, Artemis API, to document NoSQL databases
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/*
 *  Copyright (c) 2017 Otávio Santana and others
 *   All rights reserved. This program and the accompanying materials
 *   are made available under the terms of the Eclipse Public License v1.0
 *   and Apache License v2.0 which accompanies this distribution.
 *   The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 *   and the Apache License v2.0 is available at http://www.opensource.org/licenses/apache2.0.php.
 *
 *   You may elect to redistribute this code under either of these licenses.
 *
 *   Contributors:
 *
 *   Otavio Santana
 */
package org.jnosql.artemis.document.spi;


import org.jnosql.artemis.DatabaseQualifier;
import org.jnosql.artemis.DatabaseType;
import org.jnosql.artemis.document.DocumentTemplateAsync;
import org.jnosql.artemis.document.DocumentTemplateAsyncProducer;
import org.jnosql.artemis.spi.AbstractBean;
import org.jnosql.diana.api.document.DocumentCollectionManagerAsync;

import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.Set;

class TemplateAsyncBean extends AbstractBean {


    private final Set types;

    private final String provider;

    private final Set qualifiers;

    /**
     * Constructor
     *
     * @param beanManager the beanManager
     * @param provider    the provider name, that must be a
     */
    public TemplateAsyncBean(BeanManager beanManager, String provider) {
        super(beanManager);
        this.types = Collections.singleton(DocumentTemplateAsync.class);
        this.provider = provider;
        this.qualifiers = Collections.singleton(DatabaseQualifier.ofDocument(provider));
    }

    @Override
    public Class getBeanClass() {
        return DocumentTemplateAsync.class;
    }

    @Override
    public DocumentTemplateAsync create(CreationalContext creationalContext) {

        DocumentTemplateAsyncProducer producer = getInstance(DocumentTemplateAsyncProducer.class);
        DocumentCollectionManagerAsync manager = getManager();
        return producer.get(manager);
    }

    private DocumentCollectionManagerAsync getManager() {
        Bean bean = (Bean) getBeanManager().getBeans(DocumentCollectionManagerAsync.class,
                DatabaseQualifier.ofDocument(provider)).iterator().next();
        CreationalContext ctx = getBeanManager().createCreationalContext(bean);
        return (DocumentCollectionManagerAsync) getBeanManager().getReference(bean, DocumentCollectionManagerAsync.class, ctx);
    }


    @Override
    public Set getTypes() {
        return types;
    }

    @Override
    public Set getQualifiers() {
        return qualifiers;
    }

    @Override
    public String getId() {
        return DocumentTemplateAsync.class.getName() + DatabaseType.COLUMN + "-" + provider;
    }

}