mc.setName( "test" );
MetaField a = new LongField();
a.setName( "id" );
MetaField b = new StringField();
b.setName( "name" );
MetaField c = new IntegerField();
c.setName( "value" );
MetaField d = new DateField();
d.setName( "time" );
mc.addMetaField( a );
mc.addMetaField( b );
mc.addMetaField( c );