com.processpuzzle.persistence.domain.EnumUserType.java Source code

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Here is the source code for com.processpuzzle.persistence.domain.EnumUserType.java

Source

/*
Name: 
- EnumUserType
    
Description: 
-  
    
Requires:
- 
    
Provides:
- 
    
Part of: ProcessPuzzle Framework, Domain and Business Model Ready Architecture. Provides content, workflow and social networking functionality. 
http://www.processpuzzle.com
    
ProcessPuzzle - Content and Workflow Management Integration Business Platform
    
Author(s): 
- Zsolt Zsuffa
    
Copyright: (C) 2011 This program is free software: you can redistribute it and/or modify it under the terms of the 
GNU General Public License as published by the Free Software Foundation, either version 3 of the License, 
or (at your option) any later version.
    
This program 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.processpuzzle.persistence.domain;

import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import java.util.Properties;

import org.hibernate.HibernateException;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.usertype.ParameterizedType;
import org.hibernate.usertype.UserType;

public class EnumUserType implements UserType, ParameterizedType {

    private static final int[] SQL_TYPES = new int[] { Types.INTEGER };
    private Class<?> targetClass;

    public void setParameterValues(Properties parameters) {
        String targetClassName = parameters.getProperty("targetClass");
        try {
            targetClass = Class.forName(targetClassName);
        } catch (ClassNotFoundException e) {
            throw new HibernateException("Class " + targetClassName + " not found ", e);
        }
    }

    public int[] sqlTypes() {
        return SQL_TYPES;
    }

    public Class returnedClass() {
        return targetClass;
    }

    public boolean equals(Object x, Object y) throws HibernateException {
        return (x == y);
    }

    public int hashCode(Object x) throws HibernateException {
        return x.hashCode();
    }

    public Object nullSafeGet(ResultSet rs, String[] names, Object owner) throws HibernateException, SQLException {
        int value = rs.getInt(names[0]);
        return rs.wasNull() ? null : Enum.get(value);
    }

    public void nullSafeSet(PreparedStatement st, Object value, int index) throws HibernateException, SQLException {
        if (value == null) {
            st.setNull(index, Types.INTEGER);
        } else {
            st.setInt(index, ((Enum) value).getValue());
        }
    }

    public Object deepCopy(Object value) throws HibernateException {
        return value;
    }

    public boolean isMutable() {
        return false;
    }

    public Serializable disassemble(Object value) throws HibernateException {
        return (Serializable) value;
    }

    public Object assemble(Serializable cached, Object owner) throws HibernateException {
        return cached;
    }

    public Object replace(Object original, Object target, Object owner) throws HibernateException {
        return original;
    }

    @Override
    public Object nullSafeGet(ResultSet arg0, String[] arg1, SessionImplementor arg2, Object arg3)
            throws HibernateException, SQLException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public void nullSafeSet(PreparedStatement arg0, Object arg1, int arg2, SessionImplementor arg3)
            throws HibernateException, SQLException {
        // TODO Auto-generated method stub

    }
}