Elasticsearch Reindexer

ElasticsearchIndexResource.java

package [package].web.rest;

import com.codahale.metrics.annotation.Timed;
import [package].security.AuthoritiesConstants;
import [package].security.SecurityUtils;
import [package].service.ElasticsearchIndexService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import javax.inject.Inject;
import java.net.URISyntaxException;

/**
 * REST controller for managing the Elasticsearch index.
 */
@RestController
@RequestMapping("/api")
public class ElasticsearchIndexResource {

    private final Logger log = LoggerFactory.getLogger(ElasticsearchIndexResource.class);

    @Inject
    private ElasticsearchIndexService elasticsearchIndexService;

    /**
     * POST  /elasticsearch/index -> Reindex all Elasticsearch documents
     */
    @RequestMapping(value = "/elasticsearch/index",
        method = RequestMethod.POST,
        produces = MediaType.TEXT_PLAIN_VALUE)
    @Timed
    @PreAuthorize("hasAuthority('" + AuthoritiesConstants.ADMIN + "')")
    public ResponseEntity<String> reindexAll() throws URISyntaxException {
        log.info("REST request to reindex Elasticsearch by user : {}", SecurityUtils.getCurrentUserLogin());
        elasticsearchIndexService.reindexAll();
        return new ResponseEntity<>("Request accepted, performing full Elasticsearch reindexing.", HttpStatus.ACCEPTED);
    }
}

ElasticsearchIndexService.java

package [package].service;

import com.codahale.metrics.annotation.Timed;
import [package].domain.*;
import [package].repository.*;
import [package].repository.search.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.inject.Inject;

@Service
@Transactional
public class ElasticsearchIndexService {

    private final Logger log = LoggerFactory.getLogger(ElasticsearchIndexService.class);

    @Inject
    private AddressRepository addressRepository;

    @Inject
    private AddressSearchRepository addressSearchRepository;

    @Inject
    private ElasticsearchTemplate elasticsearchTemplate;

    @Async
    @Timed
    public void reindexAll() {
        elasticsearchTemplate.deleteIndex(Address.class);
        if (addressRepository.count() > 0) {
            addressSearchRepository.save(addressRepository.findAll());
        }
        log.info("Elasticsearch: Indexed all addresses");

        // repeat for all entities
        
        log.info("Elasticsearch: Successfully performed reindexing");
    }
}

Thank you, it works! I think the @Inject private MeetingSearchRepository meetingSearchRepository; is missing.

You're right, I've updated it.