Morphia基本教程

operator mongo op

= $eq

all $all

... ...

Query q = ds.createQuery(MyEntity.class).filter("foo >", 12).filter("foo <", 30);

Query q = ds.createQuery(MyEntity.class).field("foo").equal(1);

q.field("bar").greaterThan(12);

q.field("bar").lessThan(40);