private void createRowKeyForMappedProperties(
     ResultMap resultMap,
     ResultSetWrapper rsw,
     CacheKey cacheKey,
     List<ResultMapping> resultMappings,
     String columnPrefix)
     throws SQLException {
   for (ResultMapping resultMapping : resultMappings) {
     if (resultMapping.getNestedResultMapId() != null
         && resultMapping.getResultSet() == null) { // Issue #392
       final ResultMap nestedResultMap =
           configuration.getResultMap(resultMapping.getNestedResultMapId());
       createRowKeyForMappedProperties(
           nestedResultMap,
           rsw,
           cacheKey,
           nestedResultMap.getConstructorResultMappings(),
           prependPrefix(resultMapping.getColumnPrefix(), columnPrefix));
     } else if (resultMapping.getNestedQueryId() == null) {
       final String column = prependPrefix(resultMapping.getColumn(), columnPrefix);
       final TypeHandler<?> th = resultMapping.getTypeHandler();
       List<String> mappedColumnNames = rsw.getMappedColumnNames(resultMap, columnPrefix);
       if (column != null
           && mappedColumnNames.contains(column.toUpperCase(Locale.ENGLISH))) { // Issue #114
         final Object value = th.getResult(rsw.getResultSet(), column);
         if (value != null) {
           cacheKey.update(column);
           cacheKey.update(value);
         }
       }
     }
   }
 }
 private void createRowKeyForUnmappedProperties(
     ResultMap resultMap, ResultSetWrapper rsw, CacheKey cacheKey, String columnPrefix)
     throws SQLException {
   final MetaClass metaType = MetaClass.forClass(resultMap.getType());
   List<String> unmappedColumnNames = rsw.getUnmappedColumnNames(resultMap, columnPrefix);
   for (String column : unmappedColumnNames) {
     String property = column;
     if (columnPrefix != null && columnPrefix.length() > 0) {
       // When columnPrefix is specified,
       // ignore columns without the prefix.
       if (column.toUpperCase(Locale.ENGLISH).startsWith(columnPrefix)) {
         property = column.substring(columnPrefix.length());
       } else {
         continue;
       }
     }
     if (metaType.findProperty(property, configuration.isMapUnderscoreToCamelCase()) != null) {
       String value = rsw.getResultSet().getString(column);
       if (value != null) {
         cacheKey.update(column);
         cacheKey.update(value);
       }
     }
   }
 }
 private void createRowKeyForMap(ResultSetWrapper rsw, CacheKey cacheKey) throws SQLException {
   List<String> columnNames = rsw.getColumnNames();
   for (String columnName : columnNames) {
     final String value = rsw.getResultSet().getString(columnName);
     if (value != null) {
       cacheKey.update(columnName);
       cacheKey.update(value);
     }
   }
 }
 private CacheKey combineKeys(CacheKey rowKey, CacheKey parentRowKey) {
   if (rowKey.getUpdateCount() > 1 && parentRowKey.getUpdateCount() > 1) {
     CacheKey combinedKey;
     try {
       combinedKey = rowKey.clone();
     } catch (CloneNotSupportedException e) {
       throw new ExecutorException("Error cloning cache key.  Cause: " + e, e);
     }
     combinedKey.update(parentRowKey);
     return combinedKey;
   }
   return CacheKey.NULL_CACHE_KEY;
 }
Esempio n. 5
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 public CacheKey createCacheKey(
     MappedStatement ms, Object parameterObject, RowBounds rowBounds, BoundSql boundSql) {
   if (closed) throw new ExecutorException("Executor was closed.");
   CacheKey cacheKey = new CacheKey();
   cacheKey.update(ms.getId());
   cacheKey.update(rowBounds.getOffset());
   cacheKey.update(rowBounds.getLimit());
   cacheKey.update(boundSql.getSql());
   List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
   if (parameterMappings.size() > 0 && parameterObject != null) {
     TypeHandlerRegistry typeHandlerRegistry = ms.getConfiguration().getTypeHandlerRegistry();
     if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
       cacheKey.update(parameterObject);
     } else {
       MetaObject metaObject = configuration.newMetaObject(parameterObject);
       for (ParameterMapping parameterMapping : parameterMappings) {
         String propertyName = parameterMapping.getProperty();
         if (metaObject.hasGetter(propertyName)) {
           cacheKey.update(metaObject.getValue(propertyName));
         } else if (boundSql.hasAdditionalParameter(propertyName)) {
           cacheKey.update(boundSql.getAdditionalParameter(propertyName));
         }
       }
     }
   }
   return cacheKey;
 }
 private CacheKey createRowKey(ResultMap resultMap, ResultSetWrapper rsw, String columnPrefix)
     throws SQLException {
   final CacheKey cacheKey = new CacheKey();
   cacheKey.update(resultMap.getId());
   List<ResultMapping> resultMappings = getResultMappingsForRowKey(resultMap);
   if (resultMappings.size() == 0) {
     if (Map.class.isAssignableFrom(resultMap.getType())) {
       createRowKeyForMap(rsw, cacheKey);
     } else {
       createRowKeyForUnmappedProperties(resultMap, rsw, cacheKey, columnPrefix);
     }
   } else {
     createRowKeyForMappedProperties(resultMap, rsw, cacheKey, resultMappings, columnPrefix);
   }
   return cacheKey;
 }
 private CacheKey createKeyForMultipleResults(
     ResultSet rs, ResultMapping resultMapping, String names, String columns) throws SQLException {
   CacheKey cacheKey = new CacheKey();
   cacheKey.update(resultMapping);
   if (columns != null && names != null) {
     String[] columnsArray = columns.split(",");
     String[] namesArray = names.split(",");
     for (int i = 0; i < columnsArray.length; i++) {
       Object value = rs.getString(columnsArray[i]);
       if (value != null) {
         cacheKey.update(namesArray[i]);
         cacheKey.update(value);
       }
     }
   }
   return cacheKey;
 }
Esempio n. 8
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 /**
  * @description TODO
  * @createTime 2016-4-19 上午11:12:22
  * @fileName CacheInterceptor.java
  * @author yaojiamin
  */
 private CacheKey cloneCacheKey(CacheKey cacheKey) {
   try {
     return cacheKey.clone();
   } catch (CloneNotSupportedException e) {
     logger.error("Failed to clone CacheKey!!!", e);
   }
   return cacheKey;
 }
Esempio n. 9
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 /**
  * @description TODO
  * @createTime 2016-5-31 下午4:53:32
  * @fileName CacheInterceptor.java
  * @author yaojiamin
  * @param boundSql
  * @param cacheKey
  */
 @SuppressWarnings({})
 public <E> List<E> query(Executor executor, CacheHandlerBean cacheHandlerBean) throws Exception {
   BoundSql boundSql =
       cacheHandlerBean.getMappedStatement().getBoundSql(cacheHandlerBean.getParameterObject());
   CacheKey cacheKey =
       executor.createCacheKey(
           cacheHandlerBean.getMappedStatement(),
           cacheHandlerBean.getParameterObject(),
           cacheHandlerBean.getRowBounds(),
           boundSql);
   MetaObject metaPage = forObject(cacheHandlerBean.getParameterObject());
   // 当需要分页查询时,将page参数里的当前页和每页数加到cachekey里
   if (isNeedPagination(metaPage)) {
     executeQuery(
         cacheHandlerBean,
         createPageBoundSql(cacheHandlerBean, boundSql),
         cloneCacheKey(cacheKey),
         executor);
     Assert.isTrue(metaPage.getValue(Constants.TOTAL) != null, "Fail to count result!!!");
     cacheKey.update(metaPage.getValue(Constants.PAGE_NO));
     cacheKey.update(metaPage.getValue(Constants.PAGE_SIZE));
   }
   return executeQuery(cacheHandlerBean, boundSql, cacheKey, executor);
 }