com.jklas.search.templates.hibernate.HibernatePluginTemplate.java Source code

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Here is the source code for com.jklas.search.templates.hibernate.HibernatePluginTemplate.java

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/**
 * Object Search Framework
 *
 * Copyright (C) 2010 Julian Klas
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package com.jklas.search.templates.hibernate;

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

import org.hibernate.Session;

import com.jklas.search.engine.dto.ObjectResult;

public class HibernatePluginTemplate {

    public Collection<?> hydrateAll(Session session, Collection<? extends ObjectResult> results) {

        ArrayList<Object> returnValues = new ArrayList<Object>(results.size());

        for (ObjectResult objectResult : results) {
            Object loaded = session.load(objectResult.getKey().getClazz(), objectResult.getKey().getId());
            returnValues.add(loaded);
        }

        return returnValues;
    }

    public <T> Collection<T> hydrateAll(Session session, Collection<? extends ObjectResult> results,
            Class<T> desiredClass) {

        ArrayList<T> returnValues = new ArrayList<T>(results.size());

        for (ObjectResult objectResult : results) {
            Object loaded = session.load(objectResult.getKey().getClazz(), objectResult.getKey().getId());

            if (!desiredClass.isAssignableFrom(loaded.getClass()))
                continue;
            else {
                @SuppressWarnings("unchecked")
                T t = (T) loaded;
                returnValues.add(t);
            }
        }

        return returnValues;
    }

}