com.googlecode.sarasvati.hib.HibGraphRepository.java Source code

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Here is the source code for com.googlecode.sarasvati.hib.HibGraphRepository.java

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/*
This file is part of Sarasvati.
    
Sarasvati 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 3 of the
License, or (at your option) any later version.
    
Sarasvati 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 Sarasvati.  If not, see <http://www.gnu.org/licenses/>.
    
Copyright 2008 Paul Lorenz
*/
package com.googlecode.sarasvati.hib;

import java.util.List;

import org.hibernate.Query;
import org.hibernate.Session;

import com.googlecode.sarasvati.GraphProcess;
import com.googlecode.sarasvati.load.GraphRepository;

public class HibGraphRepository implements GraphRepository<HibGraph> {
    protected Session session;

    HibGraphRepository(final Session session) {
        this.session = session;
    }

    @Override
    public void addGraph(final HibGraph graph) {
        // does nothing, as graph is added to database when it is created
    }

    @SuppressWarnings("unchecked")
    @Override
    public List<HibGraph> getGraphs(final String name) {
        Query query = session.createQuery("from HibGraph where name = :name ");
        query.setString("name", name);
        return query.list();
    }

    @SuppressWarnings("unchecked")
    @Override
    public List<HibGraph> getGraphs() {
        return session.createQuery("from HibGraph").list();
    }

    @Override
    public HibGraph getLatestGraph(final String name) {
        String query = "from HibGraph " + " where name = :name "
                + "   and version in (select max(version) from HibGraph where name = :name)";

        return (HibGraph) session.createQuery(query).setString("name", name).uniqueResult();
    }

    /**
     * @see com.googlecode.sarasvati.load.GraphRepository#getActiveNestedProcesses(com.googlecode.sarasvati.GraphProcess)
     */
    @SuppressWarnings("unchecked")
    @Override
    public List<GraphProcess> getActiveNestedProcesses(final GraphProcess process) {
        String query = "from HibGraphProcess where parentToken.process.id = :processId and state in (0, 1, 2, 4)";

        return session.createQuery(query).setLong("processId", ((HibGraphProcess) process).getId()).list();
    }

    public HibGraph loadGraph(final long graphId) {
        return (HibGraph) session.load(HibGraph.class, graphId);
    }

    public HibGraph findGraph(final long graphId) {
        return (HibGraph) session.get(HibGraph.class, graphId);
    }

    public HibGraphProcess loadProcess(final long processId) {
        return (HibGraphProcess) session.load(HibGraphProcess.class, processId);
    }

    public HibGraphProcess findProcess(final long processId) {
        return (HibGraphProcess) session.get(HibGraphProcess.class, processId);
    }

    public HibNodeToken loadNodeToken(final long tokenId) {
        return (HibNodeToken) session.load(HibNodeToken.class, tokenId);
    }

    public HibArcToken loadArcToken(final long tokenId) {
        return (HibArcToken) session.load(HibArcToken.class, tokenId);
    }

    public HibNodeToken findNodeToken(final long tokenId) {
        return (HibNodeToken) session.get(HibNodeToken.class, tokenId);
    }
}