BAEL-951 adding @Repository stereotype
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slavisa-baeldung
parent
fb4ba02ecf
commit
e495a51b6d
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@ -1,13 +1,118 @@
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package com.baeldung.spring.cloud.bootstrap.svcrating.rating;
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import java.io.IOException;
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import java.util.List;
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import java.util.stream.Collectors;
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public interface RatingCacheRepository {
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import org.springframework.beans.factory.InitializingBean;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
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import org.springframework.data.redis.core.SetOperations;
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import org.springframework.data.redis.core.StringRedisTemplate;
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import org.springframework.data.redis.core.ValueOperations;
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List<Rating> findCachedRatingsByBookId(Long bookId);
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Rating findCachedRatingById(Long ratingId);
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List<Rating> findAllCachedRatings();
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boolean createRating(Rating persisted);
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boolean updateRating(Rating persisted);
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boolean deleteRating(Long ratingId);
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.springframework.stereotype.Repository;
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@Repository
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public class RatingCacheRepository implements InitializingBean {
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@Autowired
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private JedisConnectionFactory cacheConnectionFactory;
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private StringRedisTemplate redisTemplate;
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private ValueOperations<String, String> valueOps;
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private SetOperations<String, String> setOps;
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private ObjectMapper jsonMapper;
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public List<Rating> findCachedRatingsByBookId(Long bookId) {
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return setOps.members("book-" + bookId)
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.stream()
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.map(rtId -> {
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try {
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return jsonMapper.readValue(valueOps.get(rtId), Rating.class);
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} catch (IOException ex) {
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return null;
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}
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})
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.collect(Collectors.toList());
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}
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public Rating findCachedRatingById(Long ratingId) {
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try {
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return jsonMapper.readValue(valueOps.get("rating-" + ratingId), Rating.class);
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} catch (IOException e) {
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return null;
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}
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}
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public List<Rating> findAllCachedRatings() {
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List<Rating> ratings = null;
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ratings = redisTemplate.keys("rating*")
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.stream()
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.map(rtId -> {
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try {
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return jsonMapper.readValue(valueOps.get(rtId), Rating.class);
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} catch (IOException e) {
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return null;
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}
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})
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.collect(Collectors.toList());
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return ratings;
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}
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public boolean createRating(Rating persisted) {
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try {
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valueOps.set("rating-" + persisted.getId(), jsonMapper.writeValueAsString(persisted));
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setOps.add("book-" + persisted.getBookId(), "rating-" + persisted.getId());
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return true;
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} catch (JsonProcessingException ex) {
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return false;
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}
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}
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public boolean updateRating(Rating persisted) {
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try {
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valueOps.set("rating-" + persisted.getId(), jsonMapper.writeValueAsString(persisted));
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return true;
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} catch (JsonProcessingException e) {
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e.printStackTrace();
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}
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return false;
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}
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public boolean deleteRating(Long ratingId) {
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Rating toDel;
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try {
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toDel = jsonMapper.readValue(valueOps.get("rating-" + ratingId), Rating.class);
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setOps.remove("book-" + toDel.getBookId(), "rating-" + ratingId);
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redisTemplate.delete("rating-" + ratingId);
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return true;
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} catch (IOException e) {
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e.printStackTrace();
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}
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return false;
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}
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@Override
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public void afterPropertiesSet() throws Exception {
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this.redisTemplate = new StringRedisTemplate(cacheConnectionFactory);
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this.valueOps = redisTemplate.opsForValue();
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this.setOps = redisTemplate.opsForSet();
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jsonMapper = new ObjectMapper();
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jsonMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
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}
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}
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@ -1,120 +0,0 @@
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package com.baeldung.spring.cloud.bootstrap.svcrating.rating;
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import java.io.IOException;
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import java.util.List;
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import java.util.stream.Collectors;
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import org.springframework.beans.factory.InitializingBean;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
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import org.springframework.data.redis.core.SetOperations;
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import org.springframework.data.redis.core.StringRedisTemplate;
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import org.springframework.data.redis.core.ValueOperations;
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import org.springframework.stereotype.Repository;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.ObjectMapper;
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@Repository
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public class RatingCacheRepositoryImpl implements InitializingBean, RatingCacheRepository {
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@Autowired
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private JedisConnectionFactory cacheConnectionFactory;
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private StringRedisTemplate redisTemplate;
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private ValueOperations<String, String> valueOps;
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private SetOperations<String, String> setOps;
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private ObjectMapper jsonMapper;
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public List<Rating> findCachedRatingsByBookId(Long bookId) {
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return setOps.members("book-" + bookId)
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.stream()
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.map(rtId -> {
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try {
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Rating rt = jsonMapper.readValue(valueOps.get(rtId), Rating.class);
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rt.setFromCache(true);
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return rt;
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} catch (IOException ex) {
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return null;
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}
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})
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.collect(Collectors.toList());
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}
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public Rating findCachedRatingById(Long ratingId) {
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try {
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return jsonMapper.readValue(valueOps.get("rating-" + ratingId), Rating.class);
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} catch (IOException e) {
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return null;
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}
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}
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public List<Rating> findAllCachedRatings() {
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List<Rating> ratings = null;
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ratings = redisTemplate.keys("rating*")
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.stream()
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.map(rtId -> {
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try {
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return jsonMapper.readValue(valueOps.get(rtId), Rating.class);
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} catch (IOException e) {
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return null;
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}
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})
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.collect(Collectors.toList());
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return ratings;
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}
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public boolean createRating(Rating persisted) {
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try {
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valueOps.set("rating-" + persisted.getId(), jsonMapper.writeValueAsString(persisted));
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setOps.add("book-" + persisted.getBookId(), "rating-" + persisted.getId());
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return true;
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} catch (JsonProcessingException ex) {
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return false;
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}
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}
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public boolean updateRating(Rating persisted) {
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try {
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valueOps.set("rating-" + persisted.getId(), jsonMapper.writeValueAsString(persisted));
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return true;
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} catch (JsonProcessingException e) {
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e.printStackTrace();
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}
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return false;
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}
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public boolean deleteRating(Long ratingId) {
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Rating toDel;
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try {
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toDel = jsonMapper.readValue(valueOps.get("rating-" + ratingId), Rating.class);
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setOps.remove("book-" + toDel.getBookId(), "rating-" + ratingId);
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redisTemplate.delete("rating-" + ratingId);
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return true;
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} catch (IOException e) {
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e.printStackTrace();
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}
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return false;
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}
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@Override
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public void afterPropertiesSet() throws Exception {
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this.redisTemplate = new StringRedisTemplate(cacheConnectionFactory);
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this.valueOps = redisTemplate.opsForValue();
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this.setOps = redisTemplate.opsForSet();
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jsonMapper = new ObjectMapper();
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jsonMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
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}
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}
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