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| package cn.z201.learning.redis.operating.service.impl;
import cn.z201.learning.redis.operating.Tools; import cn.z201.learning.redis.operating.service.RedisStringExpansionI; import cn.z201.learning.redis.operating.service.RedisStringI; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.core.RedisCallback; import org.springframework.data.redis.core.RedisTemplate; import org.springframework.data.redis.serializer.RedisSerializer; import org.springframework.stereotype.Service;
import java.util.*;
@Slf4j @Service public class RedisStringImpl implements RedisStringI {
@Autowired RedisTemplate redisTemplate;
@Override public Boolean set(String key, String value) { Tools.notNull(key, value); return (Boolean) redisTemplate.execute((RedisCallback<Boolean>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.set(stringRedisSerializer.serialize(key), stringRedisSerializer.serialize(value)); }); }
@Override public Boolean setNx(String key, String value) { Tools.notNull(key, value); return (Boolean) redisTemplate.execute((RedisCallback<Boolean>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.setNX(stringRedisSerializer.serialize(key), stringRedisSerializer.serialize(value)); }); }
@Override public Boolean setEx(String key, Long timeout, String value) { Tools.notNull(key, value); Tools.notNull(timeout); return (Boolean) redisTemplate.execute((RedisCallback<Boolean>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.setEx(stringRedisSerializer.serialize(key), timeout, stringRedisSerializer.serialize(value)); }); }
@Override public Boolean pSetEx(String key, Long timeout, String value) { Tools.notNull(key, value); Tools.notNull(timeout); return (Boolean) redisTemplate.execute((RedisCallback<Boolean>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.pSetEx(stringRedisSerializer.serialize(key), timeout, stringRedisSerializer.serialize(value)); }); }
@Override public Object get(String key) { Tools.notNull(key); return redisTemplate.execute((RedisCallback<Object>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); byte[] bytes = connection.get(stringRedisSerializer.serialize(key)); if (null != bytes || bytes.length != 0) { return stringRedisSerializer.deserialize(bytes); } return null; }); }
@Override public Object getSet(String key, String value) { Tools.notNull(key, value); return redisTemplate.execute((RedisCallback<Object>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); byte[] bytes = connection.getSet(stringRedisSerializer.serialize(key) , stringRedisSerializer.serialize(value)); if (null != bytes || bytes.length != 0) { return stringRedisSerializer.deserialize(bytes); } return null; }); }
@Override public Long strLen(String key) { Tools.notNull(key); return (Long) redisTemplate.execute((RedisCallback<Long>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.strLen(stringRedisSerializer.serialize(key)); }); }
@Override public Long appEnd(String key, String value) { Tools.notNull(key, value); return (Long) redisTemplate.execute((RedisCallback<Long>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.append(stringRedisSerializer.serialize(key), stringRedisSerializer.serialize(value)); }); }
@Override public Boolean setRange(String key, Long offset, String value) { Tools.notNull(key, value); Tools.notNull(offset); return (Boolean) redisTemplate.execute((RedisCallback<Boolean>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); connection.setRange(stringRedisSerializer.serialize(key), stringRedisSerializer.serialize(value), offset); return true; }); }
@Override public Object getRange(String key, Long start, Long end) { Tools.notNull(key); Tools.notNull(start); Tools.notNull(end); return redisTemplate.execute((RedisCallback<Object>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); byte[] bytes = connection.getRange(stringRedisSerializer.serialize(key), start, end); return stringRedisSerializer.deserialize(bytes); }); }
@Override public Long incr(String key) { Tools.notNull(key); return (Long) redisTemplate.execute((RedisCallback<Long>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.incr(stringRedisSerializer.serialize(key)); }); }
@Override public Boolean batchIncr(String[] key) { Tools.notNull(key); return (Boolean) redisTemplate.execute((RedisCallback<Boolean>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); connection.openPipeline(); Integer length = key.length; for (int i = 0; i < length; i++) { connection.incr(stringRedisSerializer.serialize(key[i])); } List<Object> result = connection.closePipeline(); if (null == result || result.isEmpty() || result.contains(false)) { return false; } return true; }); }
@Override public Long incrBy(String key, Long sum) { Tools.notNull(key); if (null == sum || sum < 0) { throw new RuntimeException(); } return (Long) redisTemplate.execute((RedisCallback<Long>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.incrBy(stringRedisSerializer.serialize(key), sum); }); }
@Override public Double incrByFloat(String key, Double sum) { Tools.notNull(key); if (null == sum || sum < 0) { throw new RuntimeException(); } return (Double) redisTemplate.execute((RedisCallback<Double>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.incrBy(stringRedisSerializer.serialize(key), sum.doubleValue()); }); }
@Override public Long decr(String key) { Tools.notNull(key); return (Long) redisTemplate.execute((RedisCallback<Long>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.decr(stringRedisSerializer.serialize(key)); }); }
@Override public Long decrBy(String key, Long sum) { Tools.notNull(key); return (Long) redisTemplate.execute((RedisCallback<Long>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); return connection.decrBy(stringRedisSerializer.serialize(key), sum); }); }
@Override public Boolean mSet(HashMap<String, Object> map) { return mSetNx(map, false); }
@Override public Boolean mSetNx(HashMap<String, Object> map) { return mSetNx(map, true); }
@Override public List<Object> mGet(String[] key) { Tools.notNull(key); return (List<Object>) redisTemplate.execute((RedisCallback<List<Object>>) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); Integer length = key.length; byte[][] bytes = new byte[length][]; for (int i = 0; i < length; i++) { bytes[i] = stringRedisSerializer.serialize(key[i]); } List<byte[]> list = connection.mGet(bytes); if (null != list || list.size() == 0) { List<Object> result = new ArrayList<>(); length = list.size(); for (int i = 0; i < length; i++) { Object object = stringRedisSerializer.deserialize(list.get(i)); result.add(String.valueOf(object)); } return result; } return null; }); }
private Boolean mSetNx(HashMap<String, Object> map, Boolean nx) { Assert.notNull(map, "map is null"); Assert.notEmpty(map, "map is empty"); redisTemplate.execute((RedisCallback) connection -> { RedisSerializer stringRedisSerializer = redisTemplate.getStringSerializer(); connection.openPipeline(); Iterator<Map.Entry<String, Object>> iterator = map.entrySet().iterator(); String key; Object value; Map<byte[], byte[]> tuple = new HashMap<>(); while (iterator.hasNext()) { Map.Entry<String, Object> entry = iterator.next(); key = entry.getKey(); value = entry.getValue(); Tools.notNull(key, value.toString()); tuple.put(stringRedisSerializer.serialize(key), stringRedisSerializer.serialize(value)); } if (nx) { if (!tuple.isEmpty()) { return connection.mSetNX(tuple); } } else { if (!tuple.isEmpty()) { return connection.mSet(tuple); } } return false; }); return true; } }
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