//$Id: MultiplicityType.java 6592 2005-04-28 15:44:16Z oneovthafew $
package org.hibernate.test.legacy;
import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.engine.internal.ForeignKeys;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.type.IntegerType;
import org.hibernate.type.ManyToOneType;
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.type.StringType;
import org.hibernate.type.Type;
import org.hibernate.type.TypeFactory;
import org.hibernate.usertype.CompositeUserType;
public class MultiplicityType implements CompositeUserType {
private static final String[] PROP_NAMES = new String[] {
"count", "glarch"
};
private static final int[] SQL_TYPES = new int[] {
IntegerType.INSTANCE.getSqlTypeDescriptor().getSqlType(),
StringType.INSTANCE.getSqlTypeDescriptor().getSqlType()
};
private static final Type[] TYPES = new Type[] {
IntegerType.INSTANCE,
new ManyToOneType(
new TypeFactory.TypeScope() {
@Override
public SessionFactoryImplementor resolveFactory() {
// todo : can we tie this into org.hibernate.type.TypeFactory.TypeScopeImpl() somehow?
throw new HibernateException( "Cannot access SessionFactory from here" );
}
},
Glarch.class.getName()
)
};
public String[] getPropertyNames() {
return PROP_NAMES;
}
public Type[] getPropertyTypes() {
return TYPES;
}
public int hashCode(Object x) throws HibernateException {
Multiplicity o = (Multiplicity) x;
return o.count + o.glarch.hashCode();
}
public Object getPropertyValue(Object component, int property) {
Multiplicity o = (Multiplicity) component;
return property==0 ?
(Object) new Integer(o.count) :
(Object) o.glarch;
}
public void setPropertyValue(
Object component,
int property,
Object value) {
Multiplicity o = (Multiplicity) component;
if (property==0) {
o.count = ( (Integer) value ).intValue();
}
else {
o.glarch = (Glarch) value;
}
}
public int[] sqlTypes() {
return SQL_TYPES;
}
public Class returnedClass() {
return Multiplicity.class;
}
public boolean equals(Object x, Object y) {
Multiplicity mx = (Multiplicity) x;
Multiplicity my = (Multiplicity) y;
if (mx==my) return true;
if (mx==null || my==null) return false;
return mx.count==my.count && mx.glarch==my.glarch;
}
public Object nullSafeGet(ResultSet rs, String[] names, SessionImplementor session, Object owner)
throws HibernateException, SQLException {
Integer c = (Integer) IntegerType.INSTANCE.nullSafeGet( rs, names[0], session );
GlarchProxy g = (GlarchProxy) ( (Session) session ).getTypeHelper().entity( Glarch.class ).nullSafeGet(rs, names[1], session, owner);
Multiplicity m = new Multiplicity();
m.count = c==null ? 0 : c.intValue();
m.glarch = g;
return m;
}
public void nullSafeSet(PreparedStatement st, Object value, int index, SessionImplementor session)
throws HibernateException, SQLException {
Multiplicity o = (Multiplicity) value;
GlarchProxy g;
Integer c;
if (o==null) {
g=null;
c=new Integer(0);
}
else {
g = o.glarch;
c = new Integer(o.count);
}
StandardBasicTypes.INTEGER.nullSafeSet(st, c, index, session);
( (Session) session ).getTypeHelper().entity( Glarch.class ).nullSafeSet(st, g, index+1, session);
}
public Object deepCopy(Object value) {
if (value==null) return null;
Multiplicity v = (Multiplicity) value;
Multiplicity m = new Multiplicity();
m.count = v.count;
m.glarch = v.glarch;
return m;
}
public boolean isMutable() {
return true;
}
public Object assemble(
Serializable cached,
SessionImplementor session,
Object owner) throws HibernateException {
if (cached==null) return null;
Serializable[] o = (Serializable[]) cached;
Multiplicity m = new Multiplicity();
m.count = ( (Integer) o[0] ).intValue();
m.glarch = o[1]==null ?
null :
(GlarchProxy) session.internalLoad( Glarch.class.getName(), o[1], false, false );
return m;
}
public Serializable disassemble(Object value, SessionImplementor session)
throws HibernateException {
if (value==null) return null;
Multiplicity m = (Multiplicity) value;
return new Serializable[] {
new Integer(m.count),
ForeignKeys.getEntityIdentifierIfNotUnsaved( Glarch.class.getName(), m.glarch, session )
};
}
public Object replace(Object original, Object target, SessionImplementor session, Object owner)
throws HibernateException {
return assemble( disassemble(original, session), session, owner);
}
}