关键词：InfoSphere Streams 2.0；c++流操作符；流处理语言
摘 要：With the introduction of IBM InfoSphere? Streams 2.0 and the Streams processing language(SPL), developers gained access to two new collection types: set and map. This article describes these three collection types and how to exploit them as part of a native SPL application. You will also learn how to access collections using a primitive C++ Streams operator.