Example usage for org.springframework.data.util CloseableIterator hasNext

Introduction

In this page you can find the example usage for org.springframework.data.util CloseableIterator hasNext.

Prototype

boolean hasNext();

Source Link

Document

Returns true if the iteration has more elements.

Usage

From source file:com.github.vanroy.springdata.jest.JestElasticsearchTemplateTests.java

@Test
public void shouldReturnResultsWithStreamForGivenCriteriaQuery() {
    //given//from  www. jav  a  2s .co m
    List<IndexQuery> entities = createSampleEntitiesWithMessage("Test message", 30);
    // when
    elasticsearchTemplate.bulkIndex(entities);
    elasticsearchTemplate.refresh(SampleEntity.class);
    // then

    CriteriaQuery criteriaQuery = new CriteriaQuery(new Criteria());
    criteriaQuery.addIndices(INDEX_NAME);
    criteriaQuery.addTypes(TYPE_NAME);
    criteriaQuery.setPageable(new PageRequest(0, 10));

    CloseableIterator<SampleEntity> stream = elasticsearchTemplate.stream(criteriaQuery, SampleEntity.class);
    List<SampleEntity> sampleEntities = new ArrayList<SampleEntity>();
    while (stream.hasNext()) {
        sampleEntities.add(stream.next());
    }
    assertThat(sampleEntities.size(), is(equalTo(30)));
}

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