5 files changed, 112 insertions, 0 deletions
diff --git a/hadoop/wordcount/pipes/Makefile b/hadoop/wordcount/pipes/Makefile
new file mode 100644
index 0000000..c892bb8
--- /dev/null
+++ b/hadoop/wordcount/pipes/Makefile
@@ -0,0 +1,12 @@
+CC = g++
+HADOOP_INSTALL = ../hadoop-0.20.205.0
+PLATFORM = Linux-amd64-64
+CPPFLAGS = -I$(HADOOP_INSTALL)/c++/$(PLATFORM)/include
+
+wordcount: wordcount.cc
+	$(CC) $(CPPFLAGS) $< -Wall -L$(HADOOP_INSTALL)/c++/$(PLATFORM)/lib -lhadooppipes \
+	-lhadooputils -lcrypto -lpthread -g -O2 -static -o $@
+
+wordcountc: wordcountc.cc
+	$(CC) $(CPPFLAGS) $< -Wall -L$(HADOOP_INSTALL)/c++/$(PLATFORM)/lib -lhadooppipes \
+	-lhadooputils -lcrypto -lpthread -g -O2 -static -o $@
diff --git a/hadoop/wordcount/pipes/jobconf.xml b/hadoop/wordcount/pipes/jobconf.xml
new file mode 100644
index 0000000..facdbce
--- /dev/null
+++ b/hadoop/wordcount/pipes/jobconf.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<configuration>
+  <property>
+    <name>hadoop.pipes.executable</name>
+    <value>path/to/dp_hadoop_pipes_test</value>
+  </property>
+  <property>
+    <name>hadoop.pipes.java.recordreader</name>
+    <value>true</value>
+  </property>
+  <property>
+    <name>hadoop.pipes.java.recordwriter</name>
+    <value>true</value>
+  </property>
+</configuration>
+
diff --git a/hadoop/wordcount/pipes/run.sh b/hadoop/wordcount/pipes/run.sh
new file mode 100755
index 0000000..0b02be7
--- /dev/null
+++ b/hadoop/wordcount/pipes/run.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+HADOOP=/usr/lib/hadoop/
+
+$HADOOP/bin/hadoop pipes \
+                   -D hadoop.pipes.java.recordreader=true  \
+                   -D hadoop.pipes.java.recordwriter=true \
+                   -D mapred.reduce.tasks=30 \
+                   -input in/bible.txt \
+                   -output out/bible-wc  \
+                   -program ./wordcount
+
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);
+}
+
diff --git a/hadoop/wordcount/pipes/wordcount.hh b/hadoop/wordcount/pipes/wordcount.hh
new file mode 100644
index 0000000..629acf6
--- /dev/null
+++ b/hadoop/wordcount/pipes/wordcount.hh
@@ -0,0 +1,34 @@
+#ifndef __WORDCOUNT_HH__
+#define __WORDCOUNT_HH__
+
+
+#include <iostream>
+#include <string>
+
+#include "hadoop/Pipes.hh"
+#include "hadoop/TemplateFactory.hh"
+
+#include <boost/algorithm/string.hpp>
+#include <boost/tokenizer.hpp>
+#include <boost/lexical_cast.hpp>
+
+using namespace std;
+
+
+class WordcountMapper : public HadoopPipes::Mapper
+{
+  public:
+    WordcountMapper(const HadoopPipes::TaskContext &) {};
+    void map(HadoopPipes::MapContext &context);
+};
+
+class WordcountReducer : public HadoopPipes::Reducer
+{
+  public:
+    WordcountReducer(const HadoopPipes::TaskContext &) {};
+    void reduce(HadoopPipes::ReduceContext & context);
+};
+
+
+#endif
+