53 lines
1.8 KiB
Java
53 lines
1.8 KiB
Java
package eu.eudat.elastic.repository;
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import co.elastic.clients.elasticsearch.ElasticsearchClient;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import eu.eudat.elastic.criteria.Criteria;
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import eu.eudat.elastic.entities.ElasticEntity;
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import org.elasticsearch.client.RequestOptions;
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import org.elasticsearch.client.RestHighLevelClient;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.core.env.Environment;
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import java.io.IOException;
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/**
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* Created by ikalyvas on 7/5/2018.
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*/
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public abstract class ElasticRepository<T extends ElasticEntity,C extends Criteria> implements Repository<T,C> {
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private static final Logger logger = LoggerFactory.getLogger(ElasticRepository.class);
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private ElasticsearchClient client;
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public ElasticsearchClient getClient() {
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return client;
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}
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public ElasticRepository(ElasticsearchClient client, Environment environment) {
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try {
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if (!Boolean.TRUE.equals(environment.getProperty("elastic.enabled", boolean.class))){
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logger.warn("Unable to connect to Elastic Services");
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this.client = null;
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return;
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}
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if (client.ping().value()) {
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this.client = client;
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}
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} catch (IOException e) {
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logger.warn("Unable to connect to Elastic Services");
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logger.error(e.getMessage(), e);
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this.client = null;
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}
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}
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public <T> T transformFromString(String value, Class<T> tClass) {
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ObjectMapper mapper = new ObjectMapper();
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T item = null;
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try {
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item = mapper.readValue(value, tClass);
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} catch (IOException e) {
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logger.error(e.getMessage(), e);
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}
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return item;
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}
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}
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