private ParentEntity index(String parentId, String name) {
ParentEntity parent = new ParentEntity(parentId, name);
IndexQuery index = new IndexQuery();
index.setId(parent.getId());
index.setObject(parent);
elasticsearchTemplate.index(index);
return parent;
}
@Test
public void shouldSearchTopChildrenForGivenParent() {
// index two parents
ParentEntity parent1 = index("parent1", "First Parent");
ParentEntity parent2 = index("parent2", "Second Parent");
// index a child for each parent
String child1name = "First";
index("child1", parent1.getId(), child1name);
index("child2", parent2.getId(), "Second");
elasticsearchTemplate.refresh(ParentEntity.class, true);
elasticsearchTemplate.refresh(ChildEntity.class, true);
// find all parents that have the first child using topChildren Query
QueryBuilder query =
topChildrenQuery(
ParentEntity.CHILD_TYPE, QueryBuilders.termQuery("name", child1name.toLowerCase()));
List<ParentEntity> parents =
elasticsearchTemplate.queryForList(new NativeSearchQuery(query), ParentEntity.class);
// we're expecting only the first parent as result
assertThat("parents", parents, contains(hasProperty("id", is(parent1.getId()))));
}