| | 1 | {{{ |
| | 2 | #!java |
| | 3 | package itri; |
| | 4 | |
| | 5 | import java.io.BufferedReader; |
| | 6 | import java.io.File; |
| | 7 | import java.io.FileReader; |
| | 8 | import java.io.IOException; |
| | 9 | |
| | 10 | import org.apache.hadoop.hbase.HBaseConfiguration; |
| | 11 | import org.apache.hadoop.hbase.HColumnDescriptor; |
| | 12 | import org.apache.hadoop.hbase.HTableDescriptor; |
| | 13 | import org.apache.hadoop.hbase.client.HBaseAdmin; |
| | 14 | |
| | 15 | |
| | 16 | // ITRI serial program number 1 |
| | 17 | |
| | 18 | // 1. create table then read file to insert into hbase |
| | 19 | // tablename: itri |
| | 20 | // family : Detail, Products, Turnover |
| | 21 | // 2. edit a text file |
| | 22 | // format of "/tmp/itri/store.txt" is as |
| | 23 | // T01package itri; |
| | 24 | |
| | 25 | import java.io.BufferedReader; |
| | 26 | import java.io.File; |
| | 27 | import java.io.FileReader; |
| | 28 | import java.io.IOException; |
| | 29 | |
| | 30 | import org.apache.hadoop.hbase.HBaseConfiguration; |
| | 31 | import org.apache.hadoop.hbase.HColumnDescriptor; |
| | 32 | import org.apache.hadoop.hbase.HTableDescriptor; |
| | 33 | import org.apache.hadoop.hbase.client.HBaseAdmin; |
| | 34 | |
| | 35 | |
| | 36 | // ITRI serial program number 1 |
| | 37 | |
| | 38 | // 1. create table then read file to insert into hbase |
| | 39 | // tablename: itri |
| | 40 | // family : Detail, Products, Turnover |
| | 41 | // 2. edit a text file |
| | 42 | // format of "/tmp/itri/store.txt" is as |
| | 43 | // T01;GunLong; 01;20;40;30;50 |
| | 44 | // T02;Esing; 02;50 |
| | 45 | // T03;SunDon; 03;40;30 |
| | 46 | // T04;StarBucks; 04;50;50;20 |
| | 47 | // |
| | 48 | public class Itri1LoadFile { |
| | 49 | |
| | 50 | void loadFile2HBase(String file_in, String table_name) throws IOException { |
| | 51 | |
| | 52 | BufferedReader fi = new BufferedReader( |
| | 53 | new FileReader(new File(file_in))); |
| | 54 | |
| | 55 | String line; |
| | 56 | while ((line = fi.readLine()) != null) { |
| | 57 | |
| | 58 | String[] str = line.split(";"); |
| | 59 | int length = str.length; |
| | 60 | PutData.putData(table_name, str[0].trim(), "Detail", "Name", str[1] |
| | 61 | .trim()); |
| | 62 | PutData.putData(table_name, str[0].trim(), "Detail", "Locate", |
| | 63 | str[2].trim()); |
| | 64 | for (int i = 3; i < length; i++) { |
| | 65 | PutData.putData(table_name, str[0], "Products", "P" + (i - 2), |
| | 66 | str[i]); |
| | 67 | } |
| | 68 | System.out.println(); |
| | 69 | } |
| | 70 | fi.close(); |
| | 71 | |
| | 72 | }package itri; |
| | 73 | |
| | 74 | import java.io.BufferedReader; |
| | 75 | import java.io.File; |
| | 76 | import java.io.FileReader; |
| | 77 | import java.io.IOException; |
| | 78 | |
| | 79 | import org.apache.hadoop.hbase.HBaseConfiguration; |
| | 80 | import org.apache.hadoop.hbase.HColumnDescriptor; |
| | 81 | import org.apache.hadoop.hbase.HTableDescriptor; |
| | 82 | import org.apache.hadoop.hbase.client.HBaseAdmin; |
| | 83 | |
| | 84 | |
| | 85 | // ITRI serial program number 1 |
| | 86 | |
| | 87 | // 1. create table then read file to insert into hbase |
| | 88 | // tablename: itri |
| | 89 | // family : Detail, Products, Turnover |
| | 90 | // 2. edit a text file |
| | 91 | // format of "/tmp/itri/store.txt" is as |
| | 92 | // T01;GunLong; 01;20;40;30;50 |
| | 93 | // T02;Esing; 02;50 |
| | 94 | // T03;SunDon; 03;40;30 |
| | 95 | // T04;StarBucks; 04;50;50;20 |
| | 96 | // |
| | 97 | public class Itri1LoadFile { |
| | 98 | |
| | 99 | void loadFile2HBase(String file_in, String table_name) throws IOException { |
| | 100 | |
| | 101 | BufferedReader fi = new BufferedReader( |
| | 102 | new FileReader(new File(file_in))); |
| | 103 | |
| | 104 | String line; |
| | 105 | while ((line = fi.readLine()) != null) { |
| | 106 | |
| | 107 | String[] str = line.split(";"); |
| | 108 | int length = str.length; |
| | 109 | PutData.putData(table_name, str[0].trim(), "Detail", "Name", str[1] |
| | 110 | .trim()); |
| | 111 | PutData.putData(table_name, str[0].trim(), "Detail", "Locate", |
| | 112 | str[2].trim()); |
| | 113 | for (int i = 3; i < length; i++) { |
| | 114 | PutData.putData(table_name, str[0], "Products", "P" + (i - 2), |
| | 115 | str[i]); |
| | 116 | } |
| | 117 | System.out.println(); |
| | 118 | } |
| | 119 | fi.close(); |
| | 120 | |
| | 121 | } |
| | 122 | |
| | 123 | public void createHBaseTable(String tablename, String[] family) |
| | 124 | throws IOException { |
| | 125 | |
| | 126 | HTableDescriptor htd = new HTableDescriptor(tablename); |
| | 127 | |
| | 128 | for (String fa : family) { |
| | 129 | htd.addFamily(new HColumnDescriptor(fa)); |
| | 130 | } |
| | 131 | |
| | 132 | HBaseConfiguration config = new HBaseConfiguration(); |
| | 133 | |
| | 134 | HBaseAdmin admin = new HBaseAdmin(config); |
| | 135 | |
| | 136 | if (admin.tableExists(tablename)) { |
| | 137 | System.out.println("Table: " + tablename + "Existed."); |
| | 138 | } else { |
| | 139 | System.out.println("create new table: " + tablename); |
| | 140 | |
| | 141 | admin.createTable(htd); |
| | 142 | } |
| | 143 | } |
| | 144 | |
| | 145 | static public void main(String args[]) throws IOException { |
| | 146 | String tablename = "itri"; |
| | 147 | String[] family = { "Detail", "Products", "Turnover" }; |
| | 148 | String loadfile = "/tmp/itri/store.txt"; |
| | 149 | // run |
| | 150 | Itri1LoadFile lf = new Itri1LoadFile(); |
| | 151 | lf.createHBaseTable(tablename, family); |
| | 152 | lf.loadFile2HBase(loadfile, tablename); |
| | 153 | } |
| | 154 | } |
| | 155 | |
| | 156 | public void createHBaseTable(String tablename, String[] family) |
| | 157 | throws IOException { |
| | 158 | |
| | 159 | HTableDescriptor htd = new HTableDescriptor(tablename); |
| | 160 | |
| | 161 | for (String fa : family) { |
| | 162 | htd.addFamily(new HColumnDescriptor(fa)); |
| | 163 | } |
| | 164 | |
| | 165 | HBaseConfiguration config = new HBaseConfiguration(); |
| | 166 | |
| | 167 | HBaseAdmin admin = new HBaseAdmin(config); |
| | 168 | |
| | 169 | if (admin.tableExists(tablename)) { |
| | 170 | System.out.println("Table: " + tablename + "Existed."); |
| | 171 | } else { |
| | 172 | System.out.println("create new table: " + tablename); |
| | 173 | |
| | 174 | admin.createTable(htd); |
| | 175 | } |
| | 176 | } |
| | 177 | |
| | 178 | static public void main(String args[]) throws IOException { |
| | 179 | String tablename = "itri"; |
| | 180 | String[] family = { "Detail", "Products", "Turnover" }; |
| | 181 | String loadfile = "/tmp/itri/store.txt"; |
| | 182 | // run |
| | 183 | Itri1LoadFile lf = new Itri1LoadFile(); |
| | 184 | lf.createHBaseTable(tablename, family); |
| | 185 | lf.loadFile2HBase(loadfile, tablename); |
| | 186 | } |
| | 187 | };GunLong; 01;20;40;30;50 |
| | 188 | // T02;Esing; 02;50 |
| | 189 | // T03;SunDon; 03;40;30 |
| | 190 | // T04;StarBucks; 04;50;50;20 |
| | 191 | // |
| | 192 | public class Itri1LoadFile { |
| | 193 | |
| | 194 | void loadFile2HBase(String file_in, String table_name) throws IOException { |
| | 195 | |
| | 196 | BufferedReader fi = new BufferedReader( |
| | 197 | new FileReader(new File(file_in))); |
| | 198 | |
| | 199 | String line; |
| | 200 | while ((line = fi.readLine()) != null) { |
| | 201 | |
| | 202 | String[] str = line.split(";"); |
| | 203 | int length = str.length; |
| | 204 | PutData.putData(table_name, str[0].trim(), "Detail", "Name", str[1] |
| | 205 | .trim()); |
| | 206 | PutData.putData(table_name, str[0].trim(), "Detail", "Locate", |
| | 207 | str[2].trim()); |
| | 208 | for (int i = 3; i < length; i++) { |
| | 209 | PutData.putData(table_name, str[0], "Products", "P" + (i - 2), |
| | 210 | str[i]); |
| | 211 | } |
| | 212 | System.out.println(); |
| | 213 | } |
| | 214 | fi.close(); |
| | 215 | |
| | 216 | } |
| | 217 | |
| | 218 | public void createHBaseTable(String tablename, String[] family) |
| | 219 | throws IOException { |
| | 220 | |
| | 221 | HTableDescriptor htd = new HTableDescriptor(tablename); |
| | 222 | |
| | 223 | for (String fa : family) { |
| | 224 | htd.addFamily(new HColumnDescriptor(fa)); |
| | 225 | } |
| | 226 | |
| | 227 | HBaseConfiguration config = new HBaseConfiguration(); |
| | 228 | |
| | 229 | HBaseAdmin admin = new HBaseAdmin(config); |
| | 230 | |
| | 231 | if (admin.tableExists(tablename)) { |
| | 232 | System.out.println("Table: " + tablename + "Existed."); |
| | 233 | } else { |
| | 234 | System.out.println("create new table: " + tablename); |
| | 235 | |
| | 236 | admin.createTable(htd); |
| | 237 | } |
| | 238 | } |
| | 239 | |
| | 240 | static public void main(String args[]) throws IOException { |
| | 241 | String tablename = "itri"; |
| | 242 | String[] family = { "Detail", "Products", "Turnover" }; |
| | 243 | String loadfile = "/tmp/itri/store.txt"; |
| | 244 | // run |
| | 245 | Itri1LoadFile lf = new Itri1LoadFile(); |
| | 246 | lf.createHBaseTable(tablename, family); |
| | 247 | lf.loadFile2HBase(loadfile, tablename); |
| | 248 | } |
| | 249 | } |
| | 250 | }}} |