// ^^ BatchExample
public static void main(String[] args) throws IOException, InterruptedException {
Configuration conf = HBaseConfiguration.create();
HBaseHelper helper = HBaseHelper.getHelper(conf);
helper.dropTable("testtable");
helper.createTable("testtable", "colfam1", "colfam2");
helper.put("testtable",
new String[] { "row1" },
new String[] { "colfam1" },
new String[] { "qual1", "qual2", "qual3" },
new long[] { 1, 2, 3 },
new String[] { "val1", "val2", "val3" });
System.out.println("Before batch call...");
helper.dump("testtable", new String[] { "row1", "row2" }, null, null);
HTable table = new HTable(conf, "testtable");
// vv BatchExample
List<Row> batch = new ArrayList<Row>(); // co BatchExample-2-CreateList Create a list to hold all values.
Put put = new Put(ROW2);
put.add(COLFAM2, QUAL1, Bytes.toBytes("val5")); // co BatchExample-3-AddPut Add a Put instance.
batch.add(put);
Get get1 = new Get(ROW1);
get1.addColumn(COLFAM1, QUAL1); // co BatchExample-4-AddGet Add a Get instance for a different row.
batch.add(get1);
Delete delete = new Delete(ROW1);
delete.deleteColumns(COLFAM1, QUAL2); // co BatchExample-5-AddDelete Add a Delete instance.
batch.add(delete);
Get get2 = new Get(ROW2);
get2.addFamily(Bytes.toBytes("BOGUS")); // co BatchExample-6-AddBogus Add a Get instance that will fail.
batch.add(get2);
Object[] results = new Object[batch.size()]; // co BatchExample-7-CreateResult Create result array.
try {
table.batch(batch, results);
} catch (Exception e) {
System.err.println("Error: " + e); // co BatchExample-8-Print Print error that was caught.
}
for (int i = 0; i < results.length; i++) {
System.out.println("Result[" + i + "]: " + results[i]); // co BatchExample-9-Dump Print all results.
}
// ^^ BatchExample
System.out.println("After batch call...");
helper.dump("testtable", new String[]{ "row1", "row2" }, null, null);
}