Example of JedisServiceImpl class in Java.

JedisServiceImpl.java

package com.tb.services;

import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

@Service
public class JedisServiceImpl implements JedisService {

	@Autowired
	private RedisTemplate<String, Object> template;

	// Save String key value
	@Override
	public void save(String key, String value) {
		template.opsForValue().set(key, value);
	}

	// Save String key value with expire time in seconds
	@Override
	public void save(String key, String value, long expiryInSeconds) {
		template.opsForValue().set(key, value);
		template.expire(key, expiryInSeconds, TimeUnit.SECONDS);
	}

	// Append a string value to existing key
	@Override
	public int append(String key, String valueToAppend) {
		int added = 0;
		if (template.hasKey(key))
			added = template.opsForValue().append(key, valueToAppend);
		return added;
	}

	// Check if a key exists
	@Override
	public boolean exists(String key) {
		return template.hasKey(key);
	}

	// Get String key value
	@Override
	public Object get(String key) {
		return template.opsForValue().get(key);
	}

	// Delete a key
	@Override
	public void delete(String key) {
		template.delete(key);
	}

	// Get expire duration of a key in second
	@Override
	public long getExpireDuration(String key) {
		return template.getExpire(key, TimeUnit.SECONDS);

	}

	// Get keys of a pettern
	@Override
	public Set<String> getKeysForAPattern(String pattern) {
		return template.keys(pattern + "*");
	}

	// Get multiple values by multiple keys
	@Override
	public List<Object> multiGet(Collection<String> keys) {
		return template.opsForValue().multiGet(keys);
	}

	// Set multiple values by multiple keys
	@Override
	public void multiSet(Map<String, Object> keyValuePair) {
		template.opsForValue().multiSet(keyValuePair);
	}

	// Set expire duration of a key
	@Override
	public boolean removeExpireDuration(String key) {
		return template.persist(key);
	}

}