前段时间项目要用到权限控制的相关模块,经过讨论决定采用Apache下面的Shiro开源框架进行身份校验与权限控制,因项目需部署在集群环境下,所以需要分布式的支持,故配置了Redis作为权限数据的存储,这里简单的记录下相关的配置
applicationContext-shiro.xml
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | <? xml version = "1.0" encoding = "UTF-8" ?> < beans xmlns = "http://www.springframework.org/schema/beans" xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance" xmlns:p = "http://www.springframework.org/schema/p" xmlns:c = "http://www.springframework.org/schema/c" xmlns:util = "http://www.springframework.org/schema/util" xmlns:aop = "http://www.springframework.org/schema/aop" xmlns:tx = "http://www.springframework.org/schema/tx" xmlns:context = "http://www.springframework.org/schema/context" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd"> < bean id = "lifecycleBeanPostProcessor" class = "org.apache.shiro.spring.LifecycleBeanPostProcessor" /> < bean id = "securityManager" class = "org.apache.shiro.web.mgt.DefaultWebSecurityManager" > < property name = "authenticator" ref = "authenticator" /> < property name = "sessionManager" ref = "sessionManager" /> <!-- <property name="sessionMode" value="http"/> --> < property name = "cacheManager" ref = "redisCacheManager" /> < property name = "realms" > < list > < ref local = "customRealm" /> </ list > </ property > </ bean > < bean class = "com.bbk.security.realm.CustomRealm" id = "customRealm" > < property name = "credentialsMatcher" ref = "hashedCredentialsMatcher" /> </ bean > < bean id = "redisCacheManager" class = "com.bbk.security.cache.RedisCacheManager" > <!-- 自定义cacheManager --> < property name = "redisManager" ref = "redisManager" /> </ bean > < bean id = "redisCache" class = "com.bbk.security.cache.RedisCache" > <!-- 自定义cacheManager --> < constructor-arg ref = "redisManager" ></ constructor-arg > </ bean > < bean id = "roleOR" class = "com.bbk.filter.CustomAuthorizationFilter" /> < bean id = "shiroFilter" class = "org.apache.shiro.spring.web.ShiroFilterFactoryBean" > <!-- 调用我们配置的权限管理器 --> < property name = "securityManager" ref = "securityManager" /> </ bean > < bean id = "authenticator" class = "org.apache.shiro.authc.pam.ModularRealmAuthenticator" /> < bean id = "sessionManager" class = "org.apache.shiro.web.session.mgt.DefaultWebSessionManager" > < property name = "sessionDAO" ref = "redisShiroSessionDAO" /> < property name = "globalSessionTimeout" value = "${shiro.session.timeout}" /> <!-- 会话过期时间,在配置文件里面配置 --> < property name = "sessionValidationInterval" value = "3000000" /> < property name = "sessionValidationSchedulerEnabled" value = "true" /> </ bean > < bean id = "redisShiroSessionDAO" class = "com.bbk.security.cache.RedisSessionDAO" > < property name = "redisManager" ref = "redisManager" /> </ bean > < bean id = "redisManager" class = "com.bbk.security.cache.RedisManager" ></ bean > < bean id = "hashedCredentialsMatcher" class = "org.apache.shiro.authc.credential.HashedCredentialsMatcher" > <!-- 密钥的算法 --> < property name = "hashAlgorithmName" value = "MD5" /> < property name = "storedCredentialsHexEncoded" value = "true" /> < property name = "hashIterations" value = "1" /> </ bean > <!-- copy to ‘spring-mvc.xml‘ --> <!-- <bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator" depends-on="lifecycleBeanPostProcessor" /> <bean class="org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor"> <property name="securityManager" ref="securityManager" /> </bean> --> </ beans > |
RedisCache
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 | package com.bbk.security.cache; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.HashSet; import java.util.List; import java.util.Set; import org.apache.shiro.cache.Cache; import org.apache.shiro.cache.CacheException; import org.apache.shiro.subject.PrincipalCollection; import org.apache.shiro.util.CollectionUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.bbk.common.SerializeUtils; public class RedisCache<K, V> implements Cache<K, V> { private Logger logger = LoggerFactory.getLogger( this .getClass()); /** * The wrapped Jedis instance. */ private RedisManager cache; /** * The Redis key prefix for the sessions */ private String keyPrefix = "shiro_session:" ; /** * Returns the Redis session keys * prefix. * @return The prefix */ public String getKeyPrefix() { return keyPrefix; } /** * Sets the Redis sessions key * prefix. * @param keyPrefix The prefix */ public void setKeyPrefix(String keyPrefix) { this .keyPrefix = keyPrefix; } /** * 通过一个JedisManager实例构造RedisCache */ public RedisCache(RedisManager cache) { if (cache == null ) { throw new IllegalArgumentException( "Cache argument cannot be null." ); } this .cache = cache; } /** * Constructs a cache instance with the specified * Redis manager and using a custom key prefix. * @param cache The cache manager instance * @param prefix The Redis key prefix */ public RedisCache(RedisManager cache, String prefix) { this (cache); // set the prefix this .keyPrefix = prefix; } /** * 获得byte[]型的key * @param key * @return */ private byte [] getByteKey(K key) { if (key instanceof String) { String preKey = this .keyPrefix + key; return preKey.getBytes(); } else if (key instanceof PrincipalCollection){ String preKey = this .keyPrefix + key.toString(); return preKey.getBytes(); } else { return SerializeUtils.serialize(key); } } @Override public V get(K key) throws CacheException { logger.debug( "根据key从Redis中获取对象 key [" + key + "]" ); try { if (key == null ) { return null ; } else { byte [] rawValue = cache.get(getByteKey(key)); @SuppressWarnings ( "unchecked" ) V value = (V) SerializeUtils.deserialize(rawValue); return value; } } catch (Throwable t) { throw new CacheException(t); } } public String getStr(String key) throws CacheException { logger.debug( "根据key从Redis中获取对象 key [" + key + "]" ); try { if (key == null ) { return null ; } else { return cache.get(key); } } catch (Throwable t) { throw new CacheException(t); } } @Override public V put(K key, V value) throws CacheException { logger.debug( "根据key从存储 key [" + key + "]" ); try { cache.set(getByteKey(key), SerializeUtils.serialize(value)); return value; } catch (Throwable t) { throw new CacheException(t); } } public String putStr(String key, String value) throws CacheException { logger.debug( "根据key从存储 key [" + key + "]" ); try { cache.set(key, value); return value; } catch (Throwable t) { throw new CacheException(t); } } public String put(String key,String value, int expire) throws CacheException { logger.debug( "根据key从存储 key [" + key + "]" ); try { cache.set(key, value, expire); return value; } catch (Throwable t) { throw new CacheException(t); } } public String removeString(String key) throws CacheException { logger.debug( "从redis中删除 key [" + key + "]" ); try { String previous = cache.get(key); cache.del(key); return previous; } catch (Throwable t) { throw new CacheException(t); } } @Override public V remove(K key) throws CacheException { logger.debug( "从redis中删除 key [" + key + "]" ); try { V previous = get(key); cache.del(getByteKey(key)); return previous; } catch (Throwable t) { throw new CacheException(t); } } @Override public void clear() throws CacheException { logger.debug( "从redis中删除所有元素" ); try { cache.flushDB(); } catch (Throwable t) { throw new CacheException(t); } } @Override public int size() { try { Long longSize = new Long(cache.dbSize()); return longSize.intValue(); } catch (Throwable t) { throw new CacheException(t); } } @SuppressWarnings ( "unchecked" ) @Override public Set<K> keys() { try { Set< byte []> keys = cache.keys( this .keyPrefix + "*" ); if (CollectionUtils.isEmpty(keys)) { return Collections.emptySet(); } else { Set<K> newKeys = new HashSet<K>(); for ( byte [] key : keys) { newKeys.add((K) key); } return newKeys; } } catch (Throwable t) { throw new CacheException(t); } } @Override public Collection<V> values() { try { Set< byte []> keys = cache.keys( this .keyPrefix + "*" ); if (!CollectionUtils.isEmpty(keys)) { List<V> values = new ArrayList<V>(keys.size()); for ( byte [] key : keys) { @SuppressWarnings ( "unchecked" ) V value = get((K) key); if (value != null ) { values.add(value); } } return Collections.unmodifiableList(values); } else { return Collections.emptyList(); } } catch (Throwable t) { throw new CacheException(t); } } } |
Realm
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | package com.bbk.security.realm; import java.util.Collection; import java.util.List; import java.util.Set; import org.apache.log4j.Logger; import org.apache.shiro.SecurityUtils; import org.apache.shiro.authc.AuthenticationException; import org.apache.shiro.authc.AuthenticationInfo; import org.apache.shiro.authc.AuthenticationToken; import org.apache.shiro.authc.SimpleAuthenticationInfo; import org.apache.shiro.authc.UsernamePasswordToken; import org.apache.shiro.authz.AuthorizationInfo; import org.apache.shiro.authz.SimpleAuthorizationInfo; import org.apache.shiro.cache.Cache; import org.apache.shiro.cache.CacheManager; import org.apache.shiro.cache.CacheManagerAware; import org.apache.shiro.realm.AuthorizingRealm; import org.apache.shiro.realm.Realm; import org.apache.shiro.subject.PrincipalCollection; import org.apache.shiro.subject.SimplePrincipalCollection; import org.apache.shiro.subject.Subject; import org.springframework.beans.factory.InitializingBean; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.cache.annotation.CacheEvict; import com.bbk.bean.Module; import com.bbk.bean.Role; import com.bbk.bean.User; import com.bbk.bean.enums.EnumStatus; import com.bbk.common.Constants; import com.bbk.common.ObjectUtils; import com.bbk.common.exception.UserInputException; import com.bbk.security.cache.RedisCache; import com.bbk.service.IBaseService; import com.bbk.service.IModuleService; import com.bbk.service.IRoleService; import com.bbk.service.IUserService; import fmath.a.a.c; public class CustomRealm extends AuthorizingRealm implements Realm, InitializingBean { @Autowired private IRoleService roleService; @Autowired private IModuleService moduleService; @Autowired private IUserService userService; @Autowired private RedisCache<String, Object> redisCache; @Autowired private IBaseService baseService; private Logger logger = Logger.getLogger( this .getClass()); public CustomRealm() { } @Override protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) { //logger.info("授权查询回调函数, 进行鉴权但缓存中无用户的授权信息时调用"); SimpleAuthorizationInfo info = new SimpleAuthorizationInfo(); String username = (String) super .getAvailablePrincipal(principals); User user = userService.findUserByUsername(username); List<Role> roles = roleService.queryRolesByUserId(user); StringBuilder sb = new StringBuilder(); for (Role role : roles) { info.addRole(role.getCode()); sb.append(role.getId()); sb.append( "," ); } if (sb.length() > 0 ) { List<Module> perms = moduleService.findPermNamesByUser(sb.substring( 0 , sb.length() - 1 )); for (Module module : perms) { if (ObjectUtils.isNotEmpty(module.getCode())) { info.addStringPermission(module.getCode()); } } redisCache.put(Constants.getUserModuleCacheKey(user.getUserName()), perms); } //cacheManager.getCache("").clear(); redisCache.put(Constants.getUserRolesCacheKey(user.getUserName()), roles); return info; } @Override protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException { SimpleAuthenticationInfo info = null ; UsernamePasswordToken upt = (UsernamePasswordToken) token; User user = userService.findUserByUsername(upt.getUsername()); if (user == null ) { throw new AuthenticationException( "用户名不存在!" ); } if (user.getStatus() < EnumStatus.NORMAL.getStatus()) { throw new UserInputException( "您的帐号号已被限制登录,如需帮助请联系管理员!" ); } redisCache.put(Constants.getUserSessionKey(user.getUserName()), user); info = new SimpleAuthenticationInfo(user.getUserName(), user.getUserPsw(), getName()); return info; } /** * 更新用户授权信息缓存. */ public void clearCachedAuthorizationInfo(String principal) { SimplePrincipalCollection principals = new SimplePrincipalCollection(principal, getName()); super .clearCachedAuthorizationInfo(principals); super .clearCache(principals); super .clearCachedAuthenticationInfo(principals); redisCache.remove(Constants.getUserModuleCacheKey(principal)); redisCache.remove(Constants.getUserRolesCacheKey(principal)); } /** * 清除所有用户授权信息缓存. */ public void clearAllCachedAuthorizationInfo() { redisCache.clear(); /*Cache<Object, AuthenticationInfo> cache = getAuthenticationCache(); if (null != cache) { for (Object key : cache.keys()) { cache.remove(key); } }*/ } @Override public void afterPropertiesSet() throws Exception { } } |
RedisCacheManager
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | package com.bbk.security.cache; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentMap; import org.apache.shiro.cache.Cache; import org.apache.shiro.cache.CacheException; import org.apache.shiro.cache.CacheManager; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class RedisCacheManager implements CacheManager { private static final Logger logger = LoggerFactory.getLogger(RedisCacheManager. class ); // fast lookup by name map private final ConcurrentMap<String, Cache> caches = new ConcurrentHashMap<String, Cache>(); private RedisManager redisManager; /** * The Redis key prefix for caches */ private String keyPrefix = "shiro_redis_cache:" ; /** * Returns the Redis session keys * prefix. * @return The prefix */ public String getKeyPrefix() { return keyPrefix; } /** * Sets the Redis sessions key * prefix. * @param keyPrefix The prefix */ public void setKeyPrefix(String keyPrefix) { this .keyPrefix = keyPrefix; } @Override public <K, V> Cache<K, V> getCache(String name) throws CacheException { logger.debug( "获取名称为: " + name + " 的RedisCache实例" ); Cache c = caches.get(name); if (c == null ) { // initialize the Redis manager instance redisManager.init(); // create a new cache instance c = new RedisCache<K, V>(redisManager, keyPrefix); // add it to the cache collection caches.put(name, c); } return c; } public RedisManager getRedisManager() { return redisManager; } public void setRedisManager(RedisManager redisManager) { this .redisManager = redisManager; } } |
RedisSessionDAO
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | package com.bbk.security.cache; import java.io.Serializable; import java.util.Collection; import java.util.HashSet; import java.util.Set; import org.apache.shiro.session.Session; import org.apache.shiro.session.UnknownSessionException; import org.apache.shiro.session.mgt.eis.AbstractSessionDAO; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.bbk.common.SerializeUtils; /** * @author Jon Chiang * @project video * @create_date 2014-5-6 下午5:35:07 */ public class RedisSessionDAO extends AbstractSessionDAO { private static Logger logger = LoggerFactory.getLogger(RedisSessionDAO. class ); /** * shiro-redis的session对象前缀 */ private RedisManager redisManager; /** * The Redis key prefix for the sessions */ private String keyPrefix = "shiro_session:" ; @Override public void update(Session session) throws UnknownSessionException { this .saveSession(session); } /** * save session * @param session * @throws UnknownSessionException */ private void saveSession(Session session) throws UnknownSessionException{ if (session == null || session.getId() == null ){ logger.error( "session or session id is null" ); return ; } byte [] key = getByteKey(session.getId()); byte [] value = SerializeUtils.serialize(session); session.setTimeout(redisManager.getExpire()* 1000 ); this .redisManager.set(key, value, redisManager.getExpire()); } @Override public void delete(Session session) { if (session == null || session.getId() == null ){ logger.error( "session or session id is null" ); return ; } redisManager.del( this .getByteKey(session.getId())); } @Override public Collection<Session> getActiveSessions() { Set<Session> sessions = new HashSet<Session>(); Set< byte []> keys = redisManager.keys( this .keyPrefix + "*" ); if (keys != null && keys.size()> 0 ){ for ( byte [] key:keys){ Session s = (Session)SerializeUtils.deserialize(redisManager.get(key)); sessions.add(s); } } return sessions; } @Override protected Serializable doCreate(Session session) { Serializable sessionId = this .generateSessionId(session); this .assignSessionId(session, sessionId); this .saveSession(session); return sessionId; } @Override protected Session doReadSession(Serializable sessionId) { if (sessionId == null ){ logger.error( "session id is null" ); return null ; } Session s = (Session)SerializeUtils.deserialize(redisManager.get( this .getByteKey(sessionId))); return s; } /** * 获得byte[]型的key * @param key * @return */ private byte [] getByteKey(Serializable sessionId){ String preKey = this .keyPrefix + sessionId; return preKey.getBytes(); } public RedisManager getRedisManager() { return redisManager; } public void setRedisManager(RedisManager redisManager) { this .redisManager = redisManager; /** * 初始化redisManager */ this .redisManager.init(); } /** * Returns the Redis session keys * prefix. * @return The prefix */ public String getKeyPrefix() { return keyPrefix; } /** * Sets the Redis sessions key * prefix. * @param keyPrefix The prefix */ public void setKeyPrefix(String keyPrefix) { this .keyPrefix = keyPrefix; } } |
RedisManager
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 | package com.bbk.security.cache; import java.util.Set; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Value; import com.bbk.common.JedisUtil; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.JedisPoolConfig; public class RedisManager { private static Logger logger = LoggerFactory.getLogger(RedisSessionDAO. class ); @Value ( "${redis.ip}" ) private String host; @Value ( "${redis.port}" ) private int port; // 0 - never expire private int expire = 0 ; private static JedisPool jedisPool = null ; public RedisManager() { } /** * 初始化方法 */ public void init(){ if ( null == host || 0 == port){ logger.error( "请初始化redis配置文件!" ); throw new NullPointerException( "找不到redis配置" ); } if (jedisPool == null ){ //jedisPool = JedisUtil.getJedisPool(); jedisPool = new JedisPool( new JedisPoolConfig(), host, port); } } /** * get value from redis * @param key * @return */ public byte [] get( byte [] key) { byte [] value = null ; Jedis jedis = jedisPool.getResource(); try { value = jedis.get(key); } finally { jedisPool.returnResource(jedis); } return value; } /** * get value from redis * @param key * @return */ public String get(String key) { String value= null ; Jedis jedis = jedisPool.getResource(); try { value = jedis.get(key); } finally { jedisPool.returnResource(jedis); } return value; } /** * set * @param key * @param value * @return */ public byte [] set( byte [] key, byte [] value) { Jedis jedis = jedisPool.getResource(); try { jedis.set(key, value); if ( this .expire != 0 ) { jedis.expire(key, this .expire); } } finally { jedisPool.returnResource(jedis); } return value; } /** * set * @param key * @param value * @return */ public String set(String key,String value) { Jedis jedis = jedisPool.getResource(); try { jedis.set(key, value); if ( this .expire != 0 ) { jedis.expire(key, this .expire); } } finally { jedisPool.returnResource(jedis); } return value; } /** * set * @param key * @param value * @param expire * @return */ public byte [] set( byte [] key, byte [] value, int expire) { Jedis jedis = jedisPool.getResource(); try { jedis.set(key, value); if (expire != 0 ) { jedis.expire(key, expire); } } finally { jedisPool.returnResource(jedis); } return value; } /** * set * @param key * @param value * @param expire * @return */ public String set(String key,String value, int expire) { Jedis jedis = jedisPool.getResource(); try { jedis.set(key, value); if (expire != 0 ) { jedis.expire(key, expire); } } finally { jedisPool.returnResource(jedis); } return value; } /** * del * @param key */ public void del( byte [] key) { Jedis jedis = jedisPool.getResource(); try { jedis.del(key); } finally { jedisPool.returnResource(jedis); } } /** * del * @param key */ public void del(String key) { Jedis jedis = jedisPool.getResource(); try { jedis.del(key); } finally { jedisPool.returnResource(jedis); } } /** * flush */ public void flushDB() { Jedis jedis = jedisPool.getResource(); try { jedis.flushDB(); } finally { jedisPool.returnResource(jedis); } } /** * size */ public Long dbSize() { Long dbSize = 0L; Jedis jedis = jedisPool.getResource(); try { dbSize = jedis.dbSize(); } finally { jedisPool.returnResource(jedis); } return dbSize; } /** * keys * @param regex * @return */ public Set< byte []> keys(String pattern) { Set< byte []> keys = null ; Jedis jedis = jedisPool.getResource(); try { keys = jedis.keys(pattern.getBytes()); } finally { jedisPool.returnResource(jedis); } return keys; } public String getHost() { return host; } public void setHost(String host) { this .host = host; } public int getPort() { return port; } public void setPort( int port) { this .port = port; } public int getExpire() { return expire; } public void setExpire( int expire) { this .expire = expire; } } |