Java Code Examples for org.apache.ibatis.mapping.MappedStatement#getCache()
The following examples show how to use
org.apache.ibatis.mapping.MappedStatement#getCache() .
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Example 1
Source File: CachingExecutor.java From mybaties with Apache License 2.0 | 6 votes |
@Override public <E> List<E> query(MappedStatement ms, Object parameterObject, RowBounds rowBounds, ResultHandler resultHandler, CacheKey key, BoundSql boundSql) throws SQLException { Cache cache = ms.getCache(); //默认情况下是没有开启缓存的(二级缓存).要开启二级缓存,你需要在你的 SQL 映射文件中添加一行: <cache/> //简单的说,就是先查CacheKey,查不到再委托给实际的执行器去查 if (cache != null) { flushCacheIfRequired(ms); if (ms.isUseCache() && resultHandler == null) { ensureNoOutParams(ms, parameterObject, boundSql); @SuppressWarnings("unchecked") List<E> list = (List<E>) tcm.getObject(cache, key); if (list == null) { list = delegate.<E> query(ms, parameterObject, rowBounds, resultHandler, key, boundSql); tcm.putObject(cache, key, list); // issue #578 and #116 } return list; } } return delegate.<E> query(ms, parameterObject, rowBounds, resultHandler, key, boundSql); }
Example 2
Source File: MultipleCrossIncludeTest.java From mybaties with Apache License 2.0 | 6 votes |
@Test public void testMappedStatementCache() throws Exception { Reader configReader = Resources .getResourceAsReader("org/apache/ibatis/submitted/xml_external_ref/MultipleCrossIncludeMapperConfig.xml"); SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(configReader); configReader.close(); Configuration configuration = sqlSessionFactory.getConfiguration(); configuration.getMappedStatementNames(); MappedStatement selectPetStatement = configuration.getMappedStatement("org.apache.ibatis.submitted.xml_external_ref.MultipleCrossIncludePetMapper.select"); MappedStatement selectPersonStatement = configuration.getMappedStatement("org.apache.ibatis.submitted.xml_external_ref.MultipleCrossIncludePersonMapper.select"); Cache cache = selectPetStatement.getCache(); assertEquals("org.apache.ibatis.submitted.xml_external_ref.MultipleCrossIncludePetMapper", cache.getId()); assertSame(cache, selectPersonStatement.getCache()); }
Example 3
Source File: XmlExternalRefTest.java From mybaties with Apache License 2.0 | 6 votes |
@Test public void testMappedStatementCache() throws Exception { Reader configReader = Resources .getResourceAsReader("org/apache/ibatis/submitted/xml_external_ref/MapperConfig.xml"); SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(configReader); configReader.close(); Configuration configuration = sqlSessionFactory.getConfiguration(); configuration.getMappedStatementNames(); MappedStatement selectPetStatement = configuration.getMappedStatement("org.apache.ibatis.submitted.xml_external_ref.PetMapper.select"); MappedStatement selectPersonStatement = configuration.getMappedStatement("org.apache.ibatis.submitted.xml_external_ref.PersonMapper.select"); Cache cache = selectPetStatement.getCache(); assertEquals("org.apache.ibatis.submitted.xml_external_ref.PetMapper", cache.getId()); assertSame(cache, selectPersonStatement.getCache()); }
Example 4
Source File: CachingExecutor.java From mybatis with Apache License 2.0 | 6 votes |
@Override public <E> List<E> query(MappedStatement ms, Object parameterObject, RowBounds rowBounds, ResultHandler resultHandler, CacheKey key, BoundSql boundSql) throws SQLException { Cache cache = ms.getCache(); //默认情况下是没有开启缓存的(二级缓存).要开启二级缓存,你需要在你的 SQL 映射文件中添加一行: <cache/> //简单的说,就是先查CacheKey,查不到再委托给实际的执行器去查 if (cache != null) { flushCacheIfRequired(ms); if (ms.isUseCache() && resultHandler == null) { ensureNoOutParams(ms, parameterObject, boundSql); @SuppressWarnings("unchecked") List<E> list = (List<E>) tcm.getObject(cache, key); if (list == null) { list = delegate.<E> query(ms, parameterObject, rowBounds, resultHandler, key, boundSql); tcm.putObject(cache, key, list); // issue #578 and #116 } return list; } } return delegate.<E> query(ms, parameterObject, rowBounds, resultHandler, key, boundSql); }
Example 5
Source File: MultipleCrossIncludeTest.java From mybatis with Apache License 2.0 | 6 votes |
@Test public void testMappedStatementCache() throws Exception { Reader configReader = Resources .getResourceAsReader("org/apache/ibatis/submitted/xml_external_ref/MultipleCrossIncludeMapperConfig.xml"); SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(configReader); configReader.close(); Configuration configuration = sqlSessionFactory.getConfiguration(); configuration.getMappedStatementNames(); MappedStatement selectPetStatement = configuration.getMappedStatement("org.apache.ibatis.submitted.xml_external_ref.MultipleCrossIncludePetMapper.select"); MappedStatement selectPersonStatement = configuration.getMappedStatement("org.apache.ibatis.submitted.xml_external_ref.MultipleCrossIncludePersonMapper.select"); Cache cache = selectPetStatement.getCache(); assertEquals("org.apache.ibatis.submitted.xml_external_ref.MultipleCrossIncludePetMapper", cache.getId()); assertSame(cache, selectPersonStatement.getCache()); }
Example 6
Source File: XmlExternalRefTest.java From mybatis with Apache License 2.0 | 6 votes |
@Test public void testMappedStatementCache() throws Exception { Reader configReader = Resources .getResourceAsReader("org/apache/ibatis/submitted/xml_external_ref/MapperConfig.xml"); SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(configReader); configReader.close(); Configuration configuration = sqlSessionFactory.getConfiguration(); configuration.getMappedStatementNames(); MappedStatement selectPetStatement = configuration.getMappedStatement("org.apache.ibatis.submitted.xml_external_ref.PetMapper.select"); MappedStatement selectPersonStatement = configuration.getMappedStatement("org.apache.ibatis.submitted.xml_external_ref.PersonMapper.select"); Cache cache = selectPetStatement.getCache(); assertEquals("org.apache.ibatis.submitted.xml_external_ref.PetMapper", cache.getId()); assertSame(cache, selectPersonStatement.getCache()); }
Example 7
Source File: OffsetLimitInterceptor.java From AsuraFramework with Apache License 2.0 | 4 votes |
public Object intercept(final Invocation invocation) throws Throwable { final Executor executor = (Executor) invocation.getTarget(); final Object[] queryArgs = invocation.getArgs(); final MappedStatement ms = (MappedStatement)queryArgs[MAPPED_STATEMENT_INDEX]; final Object parameter = queryArgs[PARAMETER_INDEX]; final RowBounds rowBounds = (RowBounds)queryArgs[ROWBOUNDS_INDEX]; final PageBounds pageBounds = new PageBounds(rowBounds); if(pageBounds.getOffset() == RowBounds.NO_ROW_OFFSET && pageBounds.getLimit() == RowBounds.NO_ROW_LIMIT && pageBounds.getOrders().isEmpty()){ return invocation.proceed(); } final Dialect dialect; try { Class clazz = Class.forName(dialectClass); Constructor constructor = clazz.getConstructor(MappedStatement.class, Object.class, PageBounds.class); dialect = (Dialect)constructor.newInstance(new Object[]{ms, parameter, pageBounds}); } catch (Exception e) { throw new ClassNotFoundException("Cannot create dialect instance: "+dialectClass,e); } final BoundSql boundSql = ms.getBoundSql(parameter); queryArgs[MAPPED_STATEMENT_INDEX] = copyFromNewSql(ms,boundSql,dialect.getPageSQL(), dialect.getParameterMappings(), dialect.getParameterObject()); queryArgs[PARAMETER_INDEX] = dialect.getParameterObject(); queryArgs[ROWBOUNDS_INDEX] = new RowBounds(RowBounds.NO_ROW_OFFSET,RowBounds.NO_ROW_LIMIT); Boolean async = pageBounds.getAsyncTotalCount() == null ? asyncTotalCount : pageBounds.getAsyncTotalCount(); Future<List> listFuture = call(new Callable<List>() { public List call() throws Exception { return (List)invocation.proceed(); } }, async); if(pageBounds.isContainsTotalCount()){ Callable<Paginator> countTask = new Callable() { public Object call() throws Exception { Integer count; Cache cache = ms.getCache(); if(cache != null && ms.isUseCache() && ms.getConfiguration().isCacheEnabled()){ CacheKey cacheKey = executor.createCacheKey(ms,parameter,new PageBounds(),copyFromBoundSql(ms,boundSql,dialect.getCountSQL(), boundSql.getParameterMappings(), boundSql.getParameterObject())); count = (Integer)cache.getObject(cacheKey); if(count == null){ count = SQLHelp.getCount(ms,executor.getTransaction(),parameter,boundSql,dialect); cache.putObject(cacheKey, count); } }else{ count = SQLHelp.getCount(ms,executor.getTransaction(),parameter,boundSql,dialect); } return new Paginator(pageBounds.getPage(), pageBounds.getLimit(), count); } }; Future<Paginator> countFutrue = call(countTask, async); return new PageList(listFuture.get(),countFutrue.get()); } return listFuture.get(); }
Example 8
Source File: CachingExecutor.java From mybaties with Apache License 2.0 | 4 votes |
private void flushCacheIfRequired(MappedStatement ms) { Cache cache = ms.getCache(); if (cache != null && ms.isFlushCacheRequired()) { tcm.clear(cache); } }
Example 9
Source File: CacheOrderTest.java From mybaties with Apache License 2.0 | 4 votes |
@Test public void shouldResolveACacheRefNotYetRead() { MappedStatement ms = sqlSessionFactory.getConfiguration().getMappedStatement("getUser"); Cache cache = ms.getCache(); assertEquals("org.apache.ibatis.submitted.cacheorder.Mapper2", cache.getId()); }
Example 10
Source File: CachingExecutor.java From mybatis with Apache License 2.0 | 4 votes |
private void flushCacheIfRequired(MappedStatement ms) { Cache cache = ms.getCache(); if (cache != null && ms.isFlushCacheRequired()) { tcm.clear(cache); } }
Example 11
Source File: CacheOrderTest.java From mybatis with Apache License 2.0 | 4 votes |
@Test public void shouldResolveACacheRefNotYetRead() { MappedStatement ms = sqlSessionFactory.getConfiguration().getMappedStatement("getUser"); Cache cache = ms.getCache(); assertEquals("org.apache.ibatis.submitted.cacheorder.Mapper2", cache.getId()); }