private SqlSource getSqlSource(
MappedStatement ms, SqlSource sqlSource, Object parameterObject, boolean isCount) {
if (ms.getSqlSource() instanceof DynamicSqlSource) {
MetaObject msObject = MetaObjectUtils.forObject(ms);
SqlNode sqlNode = (SqlNode) msObject.getValue("sqlSource.rootSqlNode");
MixedSqlNode mixedSqlNode = null;
if (sqlNode instanceof MixedSqlNode) {
mixedSqlNode = (MixedSqlNode) sqlNode;
} else {
List<SqlNode> contents = new ArrayList<SqlNode>(1);
contents.add(sqlNode);
mixedSqlNode = new MixedSqlNode(contents);
}
return new CustomerDynamicSqlSource(ms.getConfiguration(), mixedSqlNode, isCount, dialect);
} else if (sqlSource instanceof ProviderSqlSource) {
return new CustomerProviderSqlSource(
ms.getConfiguration(), (ProviderSqlSource) sqlSource, isCount, dialect);
} else if (!isCount) {
BoundSql boundSql = sqlSource.getBoundSql(parameterObject);
return new StaticSqlSource(
ms.getConfiguration(),
dialect.generatePageSQL(boundSql.getSql()),
MybatisUtils.plusTwoParameterToMapping(ms.getConfiguration(), boundSql));
} else {
BoundSql boundSql = sqlSource.getBoundSql(parameterObject);
return new StaticSqlSource(
ms.getConfiguration(),
dialect.generateCountSQL(boundSql.getSql()),
boundSql.getParameterMappings());
}
}
private MappedStatement getMappedStatement(
MappedStatement ms,
SqlSource sqlSource,
Object parameterObject,
String cacheSuffixKey,
MappingEnum mappingType) {
String mappedStatementId = ms.getId() + cacheSuffixKey;
MappedStatement qs = MybatisUtils.getMappedStatement(ms, mappedStatementId);
if (qs == null) {
// 创建一个新的MappedStatement
SqlSource ss =
getSqlSource(ms, sqlSource, parameterObject, cacheSuffixKey == Const.CACHE_KEY_COUNT);
qs = MybatisUtils.createMappedStatement(ms, ss, cacheSuffixKey, mappingType);
MybatisUtils.addMappedStatement(ms.getConfiguration(), ms);
}
return qs;
}