net.navasoft.madcoin.backend.services.rest.impl.ProviderScope.java Source code

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Here is the source code for net.navasoft.madcoin.backend.services.rest.impl.ProviderScope.java

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/*******************************************************************************
 * Copyright 2014 Juan Diego Navarre Gonzalez
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package net.navasoft.madcoin.backend.services.rest.impl;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

import net.navasoft.madcoin.backend.model.entities.impl.ServiceProviders;
import net.navasoft.madcoin.backend.model.entities.impl.WorkRequests;
import net.navasoft.madcoin.backend.services.rest.Scope;
import net.navasoft.madcoin.backend.services.rest.Transformer;
import net.navasoft.madcoin.backend.services.rest.WorkingLoad;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.stereotype.Component;
import org.springframework.web.context.support.SpringBeanAutowiringSupport;

/**
 * net.navasoft.madcoin.backend.services.rest.impl Class class ProviderScope.
 * Description:
 * 
 * @author Juan Diego Navarre Gonzalez - (${authorMail})
 * @version 1.0
 * @param <T>
 *            the generic type
 * @since 8/09/2014 01:45:11 AM
 */
@Component("alcance")
@org.springframework.context.annotation.Scope(BeanDefinition.SCOPE_PROTOTYPE)
public final class ProviderScope<T extends WorkingLoad> implements Scope<T> {

    /**
     * Constant journal.
     * 
     * @since 8/09/2014, 01:45:11 AM
     */
    private static final Logger journal = Logger.getLogger(ProviderScope.class);

    /**
     * dao.
     * 
     * @since 8/09/2014, 01:45:11 AM
     */
    @Autowired
    @Qualifier("dataAccessProvider")
    private IDataAccess<ServiceProviders> dao;

    /**
     * translator.
     * 
     * @since 8/09/2014, 01:45:11 AM
     */
    @Autowired
    @Qualifier("providerTransformer")
    private Transformer<MasterLimiter, T> translator;

    /**
     * Gets the translator.
     * 
     * @return the translator
     * @since 8/09/2014, 01:45:11 AM
     */
    public Transformer<MasterLimiter, T> getTranslator() {
        return translator;
    }

    /**
     * Sets the translator.
     * 
     * @param translator
     *            the translator
     * @since 8/09/2014, 01:45:11 AM
     */
    public void setTranslator(Transformer<MasterLimiter, T> translator) {
        this.translator = translator;
    }

    /**
     * originator.
     * 
     * @since 8/09/2014, 01:45:11 AM
     */
    private WorkRequests originator;

    /**
     * Instantiates a new provider scope.
     * 
     * @param order
     *            the order
     * @since 8/09/2014, 01:45:11 AM
     */
    public ProviderScope(final WorkRequests order) {
        SpringBeanAutowiringSupport.processInjectionBasedOnCurrentContext(this);
        originator = order;
    }

    /**
     * Define scope.
     * 
     * @return the collection
     * @since 8/09/2014, 01:45:11 AM
     */
    @Override
    public Collection<T> defineScope() {
        Collection<ServiceProviders> workers = dao.getAll();
        Iterator<ServiceProviders> it = workers.iterator();
        Collection<T> scoped = new ArrayList<T>(workers.size());
        while (it.hasNext()) {
            MasterLimiter worker = (MasterLimiter) it.next();
            translator.transform(worker);
            scoped.add(translator.getTarget());
        }
        return scoped;
    }

    /**
     * Validate scope.
     * 
     * @param total
     *            the total
     * @return the collection
     * @throws Exception
     *             the exception
     * @since 8/09/2014, 01:45:11 AM
     */
    @Override
    public Collection<T> validateScope(Collection<T> total) throws Exception {
        boolean valid = true;
        int na = 0;
        int arbitrary = total.size();
        Collection<WorkingLoad> filtered = new ArrayList<WorkingLoad>();
        for (T individual : total) {
            individual.setEvaluator(originator);
            boolean removals = individual.applyPolicies();
            if (!removals) {
                filtered.add(individual);
                na++;
            }
            valid &= removals;
        }
        total.removeAll(filtered);
        journal.info("Cantidad de Elementos de alcance: " + total.size());
        if (valid || (na != arbitrary)) {
            return total;
        } else {
            throw new Exception("Alcance totalmente invlido");
        }
    }
}