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113 lines (93 loc) · 2.85 KB
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package com.caozj.cache;
import java.util.concurrent.Callable;
import org.springframework.cache.Cache;
import org.springframework.cache.support.SimpleValueWrapper;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.core.RedisTemplate;
import com.caozj.framework.util.common.SerializeUtil;
/**
* 使用Redis方式集成Spring Cache
*
* @author caozj
*
*/
public class RedisCache implements Cache {
private RedisTemplate<String, Object> redisTemplate;
private String name;
public RedisTemplate<String, Object> getRedisTemplate() {
return redisTemplate;
}
public void setRedisTemplate(RedisTemplate<String, Object> redisTemplate) {
this.redisTemplate = redisTemplate;
}
public void setName(String name) {
this.name = name;
}
@Override
public String getName() {
return name;
}
@Override
public Object getNativeCache() {
return this.redisTemplate;
}
@Override
public ValueWrapper get(Object key) {
final String keyf = (String) key;
Object object = getFromRedis(keyf);
return (object != null ? new SimpleValueWrapper(object) : null);
}
private Object getFromRedis(final String keyf) {
return redisTemplate.execute((RedisConnection connection) -> {
byte[] value = connection.get(keyf.getBytes());
if (value == null) {
return null;
}
return SerializeUtil.unserialize(value);
});
}
@SuppressWarnings("unchecked")
@Override
public <T> T get(Object key, Class<T> type) {
final String keyf = (String) key;
return (T) getFromRedis(keyf);
}
@Override
public void put(Object key, final Object value) {
final String keyf = (String) key;
redisTemplate.execute((RedisConnection connection) -> {
connection.set(keyf.getBytes(), SerializeUtil.serialize(value));
return null;
});
}
@Override
public ValueWrapper putIfAbsent(Object key, Object value) {
final String keyf = (String) key;
Boolean success = redisTemplate.execute((RedisConnection connection) -> {
return connection.setNX(keyf.getBytes(), SerializeUtil.serialize(value));
});
return success ? new SimpleValueWrapper(value) : null;
}
@Override
public void evict(Object key) {
final String keyf = (String) key;
redisTemplate.execute((RedisConnection connection) -> {
connection.del(keyf.getBytes());
return null;
});
}
@Override
public void clear() {
redisTemplate.execute((RedisConnection connection) -> {
connection.flushDb();
return null;
});
}
@SuppressWarnings("unchecked")
@Override
public <T> T get(Object key, Callable<T> arg1) {
final String keyf = (String) key;
Object object = getFromRedis(keyf);
return (T) object;
}
}