AnyPathTest.java

package com.querydsl.apt.domain;

import static org.junit.Assert.assertNotNull;

import java.util.HashSet;
import java.util.Set;

import javax.persistence.*;

import org.junit.Test;

import com.querydsl.core.annotations.QueryInit;
import com.querydsl.core.types.dsl.BooleanExpression;

public class AnyPathTest {
    @Entity
    public static class Foo {

        @OneToMany(mappedBy = "key.foo")
        @QueryInit("key.student")
        private Set<Bar> bars = new HashSet<Bar>();

    }

    @Entity
    public static class Bar {

        @EmbeddedId
        @QueryInit("student")
        private BarId key = new BarId();

    }

    @Embeddable
    public static class BarId {

        @ManyToOne
        private Student student;

        @ManyToOne
        private Foo foo;

    }

    @Entity
    public static class Student {

    }

    private BooleanExpression authorFilter(Student student) {
        //return QFoo.foo.bars.any().key.student.eq(Student student);
        return QAnyPathTest_Foo.foo.bars.any().key.student.eq(student);
    }

    @Test
    public void anyPath() {
        assertNotNull(authorFilter(new Student()));
    }

}