How to create a complex predicate?

[Kamil Orłowski]

Hey,

I have the following structure of document within mongoDb:

{
  "description" : "description_test",
  "expressionGroups" : [
    {
      "type" : "TYPE_1",
      "expressions" : [
        {
          "name" : "NAME_1",
          "values" : ["VAL_1", "VAL_2"]
        },
        {
          "name" : "NAME_2",
          "values" : ["VAL_3"]
        }
      ]
    },
    {
      "type" : "TYPE_2",
      "expressions" : [
        {
          "name" : "NAME_3",
          "values" : ["VAL_4", "VAL_5"]
        },
        {
          "name" : "NAME_4",
          "values" : ["VAL_6"]
        }
      ]
    }
  ]
}

I implemented org.springframework.data.querydsl.QueryDslPredicateExecutor because I want to use this method: 

Iterable<T> findAll(Predicate predicate);

I generated Q-classes using apt-maven-plugin, unfortunately I don't know how to create a complex predicate. 

I've prepared appropriate query but using mongo shell syntax.

db.rule.find({
  'expressionGroups.expressions': {
    $all: [
      {
        '$elemMatch': {
          'name': "NAME_3",
          'values': "VAL_5"
        }
      },
      {
        '$elemMatch': {
          'name': "NAME_2",
          'values': "VAL_3"
        }
      }
    ]
  }
}).pretty()

Do you know how to create equivalent predicate based on above query?