1 files changed, 38 insertions, 0 deletions
diff --git a/hadoop/wordcount/pipes/wordcount.cc b/hadoop/wordcount/pipes/wordcount.cc
new file mode 100644
index 0000000..c9394d5
--- /dev/null
+++ b/hadoop/wordcount/pipes/wordcount.cc
@@ -0,0 +1,38 @@
+#include "wordcount.hh"
+
+
+void
+WordcountMapper::map(HadoopPipes::MapContext &context)
+{
+  typedef boost::tokenizer<> tokenizer_t;
+  tokenizer_t tokenizer(context.getInputValue());
+
+  for(tokenizer_t::const_iterator i = tokenizer.begin();
+      tokenizer.end() != i; ++i) {
+    context.emit(boost::to_lower_copy(*i), "1");
+  }
+}
+
+void
+WordcountReducer::reduce(HadoopPipes::ReduceContext &context)
+{
+  uint32_t count(0);
+
+  do {
+	  ++count;
+  } while(context.nextValue());
+
+  //std::cout << context.getInputKey() << endl;
+  context.emit(context.getInputKey(),
+               boost::lexical_cast<std::string>(count));
+}
+
+
+int
+main(int argc, char *argv[])
+{
+  HadoopPipes::TemplateFactory2<WordcountMapper,
+                                WordcountReducer> factory;
+  return HadoopPipes::runTask(factory);
+}
+