//$Id: CalendarType.java 7736 2005-08-03 20:03:34Z steveebersole $
package org.hibernate.type;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.sql.Types;
import java.util.Calendar;
import java.util.Comparator;
import java.util.Date;
import java.util.GregorianCalendar;
import org.hibernate.EntityMode;
import org.hibernate.Hibernate;
import org.hibernate.HibernateException;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.cfg.Environment;
import org.hibernate.util.CalendarComparator;
/**
* <tt>calendar</tt>: A type mapping for a <tt>Calendar</tt> object that
* represents a datetime.
* @author Gavin King
*/
public class CalendarType extends MutableType implements VersionType {
public Object get(ResultSet rs, String name) throws HibernateException, SQLException {
Timestamp ts = rs.getTimestamp(name);
if (ts!=null) {
Calendar cal = new GregorianCalendar();
if ( Environment.jvmHasTimestampBug() ) {
cal.setTime( new Date( ts.getTime() + ts.getNanos() / 1000000 ) );
}
else {
cal.setTime(ts);
}
return cal;
}
else {
return null;
}
}
public void set(PreparedStatement st, Object value, int index) throws HibernateException, SQLException {
final Calendar cal = (Calendar) value;
//st.setTimestamp( index, new Timestamp( cal.getTimeInMillis() ), cal ); //JDK 1.5 only
st.setTimestamp( index, new Timestamp( cal.getTime().getTime() ), cal );
}
public int sqlType() {
return Types.TIMESTAMP;
}
public String toString(Object value) throws HibernateException {
return Hibernate.TIMESTAMP.toString( ( (Calendar) value ).getTime() );
}
public Object fromStringValue(String xml) throws HibernateException {
Calendar result = new GregorianCalendar();
result.setTime( ( (Date) Hibernate.TIMESTAMP.fromStringValue(xml) ) );
return result;
}
public Object deepCopyNotNull(Object value) throws HibernateException {
return ( (Calendar) value ).clone();
}
public Class getReturnedClass() {
return Calendar.class;
}
public int compare(Object x, Object y, EntityMode entityMode) {
return CalendarComparator.INSTANCE.compare(x, y);
}
public boolean isEqual(Object x, Object y) {
if (x==y) return true;
if (x==null || y==null) return false;
Calendar calendar1 = (Calendar) x;
Calendar calendar2 = (Calendar) y;
return calendar1.get(Calendar.MILLISECOND) == calendar2.get(Calendar.MILLISECOND)
&& calendar1.get(Calendar.SECOND) == calendar2.get(Calendar.SECOND)
&& calendar1.get(Calendar.MINUTE) == calendar2.get(Calendar.MINUTE)
&& calendar1.get(Calendar.HOUR_OF_DAY) == calendar2.get(Calendar.HOUR_OF_DAY)
&& calendar1.get(Calendar.DAY_OF_MONTH) == calendar2.get(Calendar.DAY_OF_MONTH)
&& calendar1.get(Calendar.MONTH) == calendar2.get(Calendar.MONTH)
&& calendar1.get(Calendar.YEAR) == calendar2.get(Calendar.YEAR);
}
public int getHashCode(Object x, EntityMode entityMode) {
Calendar calendar = (Calendar) x;
int hashCode = 1;
hashCode = 31 * hashCode + calendar.get(Calendar.MILLISECOND);
hashCode = 31 * hashCode + calendar.get(Calendar.SECOND);
hashCode = 31 * hashCode + calendar.get(Calendar.MINUTE);
hashCode = 31 * hashCode + calendar.get(Calendar.HOUR_OF_DAY);
hashCode = 31 * hashCode + calendar.get(Calendar.DAY_OF_MONTH);
hashCode = 31 * hashCode + calendar.get(Calendar.MONTH);
hashCode = 31 * hashCode + calendar.get(Calendar.YEAR);
return hashCode;
}
public String getName() {
return "calendar";
}
public Object next(Object current, SessionImplementor session) {
return seed( session );
}
public Object seed(SessionImplementor session) {
return Calendar.getInstance();
}
public Comparator getComparator() {
return CalendarComparator.INSTANCE;
}
}
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