Changes between Initial Version and Version 1 of NCHCCloudCourse100928_4_EXM7

Timestamp:

Sep 24, 2010, 6:32:12 PM (14 years ago)

Author:

waue

Comment:

--

NCHCCloudCourse100928_4_EXM7

@@ +1 @@
+{{{
+#!html
+<div style="text-align: center; color:#151B8D"><big style="font-weight: bold;"><big><big>
+Hadoop 進階課程 
+</big></big></big></div> <div style="text-align: center; color:#7E2217"><big style="font-weight: bold;"><big>
+範例練習
+</big></big></div>
+}}}
+
+[wiki:NCHCCloudCourse100928_4_EXM6 上一關 < ] 最後一關 [wiki:NCHCCloudCourse100928 >> 回課程大綱]
+
+= Ex1.   =
+
+{{{
+#!java
+package org.nchc.hadoop;
+
+import org.apache.hadoop.util.ProgramDriver;
+
+
+
+//YourMenu
+//說明： 
+//      將之前的功能整合起來
+//
+//測試方法：
+//      將此程式運作在hadoop 0.20 平台上，執行：
+//      ---------------------------
+//      hadoop jar YourMenu.jar <功能>
+//      ---------------------------
+//
+//注意：
+//1. 此程式需與之前的範例一起打包成一個YourExam.jar檔
+
+
+public class YourMenu {
+
+
+        public static void main(String argv[]) {
+                int exitCode = -1;
+                ProgramDriver pgd = new ProgramDriver();
+                if (argv.length < 1) {
+                        System.out.print("******************************************\n"
+                                        + "歡迎使用 YourMenu 的運算功能 \n" + "指令： \n"
+                                        + "  Hadoop jar YourExam.jar <功能> \n" + "功能：\n"
+                                        + "  HelloHadoop:  秀出Hadoop的<Key,Value>為何 \n"
+                                        + "  HelloHadoopV2:  秀出Hadoop的<Key,Value> 進階版 \n"
+                                        + "  HelloHadoopV3:  秀出Hadoop的<Key,Value> 進化版 \n"
+                                        + "  WordCount:  計算輸入資料夾內分別在每個檔案的字數統計 \n"
+                                        + "  WordCountV2:  WordCount 進階版 \n"
+                                        + "  WordIndex:  索引每個字與其所有出現的所在列 \n"
+                                        + "******************************************\n");
+                } else {
+
+                        try {
+                                pgd.addClass("HelloHadoop", HelloHadoop.class, " Hadoop hello world");
+                                pgd.addClass("HelloHadoopV2", HelloHadoopV2.class, " Hadoop hello world V2");
+                                pgd.addClass("HelloHadoopV3", HelloHadoopV3.class, " Hadoop hello world V3");
+                                pgd.addClass("WordCount", WordCount.class, " word count.");
+                                pgd.addClass("WordCountV2", WordCountV2.class, " word count V2.");
+                                pgd.addClass("WordIndex", WordIndex.class, "invert each word in line");
+                                pgd.driver(argv);
+                                // Success
+                                exitCode = 0;
+                                System.exit(exitCode);
+                        } catch (Throwable e) {
+                                e.printStackTrace();
+                        }
+                }
+
+        }
+}
+
+}}}
+
+