@Test
public void test() throws Exception {
Connector c = getConnector();
String tableName = getUniqueNames(1)[0];
c.tableOperations().create(tableName);
BatchWriter bw = c.createBatchWriter(tableName, new BatchWriterConfig());
Mutation m = new Mutation("row1");
m.put("cf", "col1", "Test");
bw.addMutation(m);
bw.close();
scanCheck(c, tableName, "Test");
FileSystem fs = getCluster().getFileSystem();
Path jarPath = new Path(rootPath + "/lib/ext/Test.jar");
copyStreamToFileSystem(fs, "/TestCombinerX.jar", jarPath);
sleepUninterruptibly(1, TimeUnit.SECONDS);
IteratorSetting is =
new IteratorSetting(10, "TestCombiner", "org.apache.accumulo.test.functional.TestCombiner");
Combiner.setColumns(is, Collections.singletonList(new IteratorSetting.Column("cf")));
c.tableOperations().attachIterator(tableName, is, EnumSet.of(IteratorScope.scan));
sleepUninterruptibly(ZOOKEEPER_PROPAGATION_TIME, TimeUnit.MILLISECONDS);
scanCheck(c, tableName, "TestX");
fs.delete(jarPath, true);
copyStreamToFileSystem(fs, "/TestCombinerY.jar", jarPath);
sleepUninterruptibly(5, TimeUnit.SECONDS);
scanCheck(c, tableName, "TestY");
fs.delete(jarPath, true);
}
public static synchronized void configureMetadataTable(Connector conn, String tableName) {
TableOperations tops = conn.tableOperations();
Map<String, EnumSet<IteratorScope>> iterators = null;
try {
iterators = tops.listIterators(tableName);
} catch (AccumuloSecurityException | AccumuloException | TableNotFoundException e) {
throw new RuntimeException(e);
}
if (!iterators.containsKey(COMBINER_NAME)) {
// Set our combiner and combine all columns
// Need to set the combiner beneath versioning since we don't want to turn it off
IteratorSetting setting = new IteratorSetting(9, COMBINER_NAME, StatusCombiner.class);
Combiner.setColumns(
setting, Collections.singletonList(new Column(MetadataSchema.ReplicationSection.COLF)));
try {
tops.attachIterator(tableName, setting);
} catch (AccumuloSecurityException | AccumuloException | TableNotFoundException e) {
throw new RuntimeException(e);
}
}
// Make sure the StatusFormatter is set on the metadata table
Iterable<Entry<String, String>> properties;
try {
properties = tops.getProperties(tableName);
} catch (AccumuloException | TableNotFoundException e) {
throw new RuntimeException(e);
}
for (Entry<String, String> property : properties) {
if (Property.TABLE_FORMATTER_CLASS.getKey().equals(property.getKey())) {
if (!STATUS_FORMATTER_CLASS_NAME.equals(property.getValue())) {
log.info(
"Setting formatter for {} from {} to {}",
tableName,
property.getValue(),
STATUS_FORMATTER_CLASS_NAME);
try {
tops.setProperty(
tableName, Property.TABLE_FORMATTER_CLASS.getKey(), STATUS_FORMATTER_CLASS_NAME);
} catch (AccumuloException | AccumuloSecurityException e) {
throw new RuntimeException(e);
}
}
// Don't need to keep iterating over the properties after we found the one we were looking
// for
return;
}
}
// Set the formatter on the table because it wasn't already there
try {
tops.setProperty(
tableName, Property.TABLE_FORMATTER_CLASS.getKey(), STATUS_FORMATTER_CLASS_NAME);
} catch (AccumuloException | AccumuloSecurityException e) {
throw new RuntimeException(e);
}
}