@Override
protected void setup(final Context context) {
try {
schema =
Schema.fromJson(
context
.getConfiguration()
.get(AddElementsFromHdfsJobFactory.SCHEMA)
.getBytes(CommonConstants.UTF_8));
} catch (final UnsupportedEncodingException e) {
throw new SchemaException("Unable to deserialise schema from JSON");
}
try {
final Class<?> elementConverterClass =
Class.forName(
context
.getConfiguration()
.get(AccumuloStoreConstants.ACCUMULO_ELEMENT_CONVERTER_CLASS));
elementConverter =
(AccumuloElementConverter)
elementConverterClass.getConstructor(Schema.class).newInstance(schema);
} catch (ClassNotFoundException
| InstantiationException
| IllegalAccessException
| IllegalArgumentException
| InvocationTargetException
| NoSuchMethodException
| SecurityException e) {
throw new IllegalArgumentException(
"Failed to create accumulo element converter from class", e);
}
}
private Value reduceMultiValue(
final Key key, final Iterator<Value> iter, final Value firstValue) {
final String group;
try {
group = new String(key.getColumnFamilyData().getBackingArray(), CommonConstants.UTF_8);
} catch (final UnsupportedEncodingException e) {
throw new RuntimeException(e.getMessage(), e);
}
ElementAggregator aggregator;
Properties firstPropertySet;
try {
firstPropertySet = elementConverter.getPropertiesFromValue(group, firstValue);
aggregator = schema.getElement(group).getAggregator();
aggregator.aggregate(firstPropertySet);
while (iter.hasNext()) {
aggregator.aggregate(elementConverter.getPropertiesFromValue(group, iter.next()));
}
} catch (final AccumuloElementConversionException e) {
throw new IllegalArgumentException("Failed to get Properties from an accumulo value", e);
}
final Properties properties = new Properties();
aggregator.state(properties);
try {
return elementConverter.getValueFromProperties(group, properties);
} catch (final AccumuloElementConversionException e) {
throw new IllegalArgumentException("Failed to get Properties from an accumulo value", e);
}
}
public class RowIdAggregatorTest {
private static AccumuloStore byteEntityStore;
private static AccumuloStore gaffer1KeyStore;
private static final Schema schema =
Schema.fromJson(StreamUtil.schemas(RowIdAggregatorTest.class));
private static final AccumuloProperties PROPERTIES =
AccumuloProperties.loadStoreProperties(StreamUtil.storeProps(RowIdAggregatorTest.class));
private static final AccumuloProperties CLASSIC_PROPERTIES =
AccumuloProperties.loadStoreProperties(
StreamUtil.openStream(RowIdAggregatorTest.class, "/accumuloStoreClassicKeys.properties"));
private static AccumuloElementConverter byteEntityElementConverter;
private static AccumuloElementConverter gaffer1ElementConverter;
@BeforeClass
public static void setup()
throws StoreException, AccumuloException, AccumuloSecurityException, IOException {
byteEntityStore = new SingleUseMockAccumuloStore();
gaffer1KeyStore = new SingleUseMockAccumuloStore();
gaffer1ElementConverter = new ClassicAccumuloElementConverter(schema);
byteEntityElementConverter = new ByteEntityAccumuloElementConverter(schema);
}
@Before
public void reInitialise() throws StoreException, TableExistsException {
byteEntityStore.initialise(schema, PROPERTIES);
gaffer1KeyStore.initialise(schema, CLASSIC_PROPERTIES);
createTable(byteEntityStore);
createTable(gaffer1KeyStore);
}
@AfterClass
public static void tearDown() {
gaffer1KeyStore = null;
byteEntityStore = null;
}
@Test
public void testMultiplePropertySetsAggregateAcrossRowIDInByteEntityStore()
throws StoreException, AccumuloElementConversionException, RangeFactoryException {
testAggregatingMultiplePropertySetsAcrossRowIDRange(
byteEntityStore, byteEntityElementConverter);
}
@Test
public void testMultiplePropertySetsAggregateAcrossRowIDInGafferOneStore()
throws StoreException, AccumuloElementConversionException, RangeFactoryException {
testAggregatingMultiplePropertySetsAcrossRowIDRange(gaffer1KeyStore, gaffer1ElementConverter);
}
private void testAggregatingMultiplePropertySetsAcrossRowIDRange(
final AccumuloStore store, final AccumuloElementConverter elementConverter)
throws StoreException, AccumuloElementConversionException, RangeFactoryException {
String visibilityString = "public";
try {
// Create table
// (this method creates the table, removes the versioning iterator, and adds the
// SetOfStatisticsCombiner iterator).
TableUtils.createTable(store);
final Properties properties1 = new Properties();
properties1.put(AccumuloPropertyNames.COUNT, 1);
final Properties properties2 = new Properties();
properties2.put(AccumuloPropertyNames.COUNT, 1);
final Properties properties3 = new Properties();
properties3.put(AccumuloPropertyNames.COUNT, 2);
// Create edge
final Edge edge = new Edge(TestGroups.EDGE);
edge.setSource("2");
edge.setDestination("1");
edge.setDirected(true);
edge.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 1);
edge.putProperty(AccumuloPropertyNames.PROP_1, 0);
edge.putProperty(AccumuloPropertyNames.PROP_2, 0);
edge.putProperty(AccumuloPropertyNames.PROP_3, 0);
edge.putProperty(AccumuloPropertyNames.PROP_4, 0);
final Edge edge2 = new Edge(TestGroups.EDGE);
edge2.setSource("B");
edge2.setDestination("Z");
edge2.setDirected(true);
edge2.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 1);
edge2.putProperty(AccumuloPropertyNames.PROP_1, 1);
edge2.putProperty(AccumuloPropertyNames.PROP_2, 1);
edge2.putProperty(AccumuloPropertyNames.PROP_3, 1);
edge2.putProperty(AccumuloPropertyNames.PROP_4, 1);
final Edge edge3 = new Edge(TestGroups.EDGE);
edge3.setSource("3");
edge3.setDestination("8");
edge3.setDirected(true);
edge3.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 1);
edge3.putProperty(AccumuloPropertyNames.PROP_1, 0);
edge3.putProperty(AccumuloPropertyNames.PROP_2, 0);
edge3.putProperty(AccumuloPropertyNames.PROP_3, 0);
edge3.putProperty(AccumuloPropertyNames.PROP_4, 0);
final Edge edge6 = new Edge("BasicEdge2");
edge6.setSource("1");
edge6.setDestination("5");
edge6.setDirected(true);
edge6.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 2);
edge6.putProperty(AccumuloPropertyNames.PROP_1, 0);
edge6.putProperty(AccumuloPropertyNames.PROP_2, 0);
edge6.putProperty(AccumuloPropertyNames.PROP_3, 0);
edge6.putProperty(AccumuloPropertyNames.PROP_4, 0);
final Edge edge7 = new Edge("BasicEdge2");
edge7.setSource("2");
edge7.setDestination("6");
edge7.setDirected(true);
edge7.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 1);
edge7.putProperty(AccumuloPropertyNames.PROP_1, 0);
edge7.putProperty(AccumuloPropertyNames.PROP_2, 0);
edge7.putProperty(AccumuloPropertyNames.PROP_3, 0);
edge7.putProperty(AccumuloPropertyNames.PROP_4, 0);
final Edge edge8 = new Edge("BasicEdge2");
edge8.setSource("4");
edge8.setDestination("8");
edge8.setDirected(true);
edge8.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 2);
edge8.putProperty(AccumuloPropertyNames.PROP_1, 0);
edge8.putProperty(AccumuloPropertyNames.PROP_2, 0);
edge8.putProperty(AccumuloPropertyNames.PROP_3, 0);
edge8.putProperty(AccumuloPropertyNames.PROP_4, 0);
final Edge edge9 = new Edge("BasicEdge2");
edge9.setSource("5");
edge9.setDestination("9");
edge9.setDirected(true);
edge9.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 2);
edge9.putProperty(AccumuloPropertyNames.PROP_1, 0);
edge9.putProperty(AccumuloPropertyNames.PROP_2, 0);
edge9.putProperty(AccumuloPropertyNames.PROP_3, 0);
edge9.putProperty(AccumuloPropertyNames.PROP_4, 0);
// Accumulo key
final Key key = elementConverter.getKeysFromEdge(edge).getFirst();
final Key key2 = elementConverter.getKeysFromEdge(edge2).getFirst();
final Key key3 = elementConverter.getKeysFromEdge(edge3).getFirst();
final Key key4 = elementConverter.getKeysFromEdge(edge6).getFirst();
final Key key5 = elementConverter.getKeysFromEdge(edge7).getFirst();
final Key key6 = elementConverter.getKeysFromEdge(edge8).getFirst();
final Key key7 = elementConverter.getKeysFromEdge(edge9).getFirst();
// Accumulo values
final Value value1 = elementConverter.getValueFromProperties(TestGroups.EDGE, properties1);
final Value value2 = elementConverter.getValueFromProperties(TestGroups.EDGE, properties2);
final Value value3 = elementConverter.getValueFromProperties(TestGroups.EDGE, properties3);
final Value value4 = elementConverter.getValueFromProperties(TestGroups.EDGE_2, properties1);
final Value value5 = elementConverter.getValueFromProperties(TestGroups.EDGE_2, properties2);
// Create mutation
final Mutation m1 = new Mutation(key.getRow());
m1.put(
key.getColumnFamily(),
key.getColumnQualifier(),
new ColumnVisibility(key.getColumnVisibility()),
key.getTimestamp(),
value1);
final Mutation m2 = new Mutation(key.getRow());
m2.put(
key.getColumnFamily(),
key.getColumnQualifier(),
new ColumnVisibility(key.getColumnVisibility()),
key.getTimestamp(),
value2);
final Mutation m3 = new Mutation(key.getRow());
m3.put(
key.getColumnFamily(),
key.getColumnQualifier(),
new ColumnVisibility(key.getColumnVisibility()),
key.getTimestamp(),
value3);
final Mutation m4 = new Mutation(key2.getRow());
m4.put(
key2.getColumnFamily(),
key2.getColumnQualifier(),
new ColumnVisibility(key2.getColumnVisibility()),
key2.getTimestamp(),
value1);
final Mutation m5 = new Mutation(key.getRow());
m5.put(
key3.getColumnFamily(),
key3.getColumnQualifier(),
new ColumnVisibility(key3.getColumnVisibility()),
key3.getTimestamp(),
value1);
final Mutation m6 = new Mutation(key4.getRow());
m6.put(
key4.getColumnFamily(),
key4.getColumnQualifier(),
new ColumnVisibility(key4.getColumnVisibility()),
key4.getTimestamp(),
value4);
final Mutation m7 = new Mutation(key5.getRow());
m7.put(
key5.getColumnFamily(),
key5.getColumnQualifier(),
new ColumnVisibility(key5.getColumnVisibility()),
key5.getTimestamp(),
value5);
final Mutation m8 = new Mutation(key6.getRow());
m8.put(
key6.getColumnFamily(),
key6.getColumnQualifier(),
new ColumnVisibility(key6.getColumnVisibility()),
key6.getTimestamp(),
value5);
final Mutation m9 = new Mutation(key7.getRow());
m9.put(
key7.getColumnFamily(),
key7.getColumnQualifier(),
new ColumnVisibility(key7.getColumnVisibility()),
key7.getTimestamp(),
value5);
// Write mutation
final BatchWriterConfig writerConfig = new BatchWriterConfig();
writerConfig.setMaxMemory(1000000L);
writerConfig.setMaxLatency(1000L, TimeUnit.MILLISECONDS);
writerConfig.setMaxWriteThreads(1);
final BatchWriter writer =
store.getConnection().createBatchWriter(store.getProperties().getTable(), writerConfig);
writer.addMutation(m1);
writer.addMutation(m2);
writer.addMutation(m3);
writer.addMutation(m4);
writer.addMutation(m5);
writer.addMutation(m6);
writer.addMutation(m7);
writer.addMutation(m8);
writer.addMutation(m9);
writer.close();
// Read data back and check we get one merged element
final Authorizations authorizations = new Authorizations(visibilityString);
final BatchScanner scanner =
store
.getConnection()
.createBatchScanner(store.getProperties().getTable(), authorizations, 1000);
try {
scanner.addScanIterator(
store
.getKeyPackage()
.getIteratorFactory()
.getRowIDAggregatorIteratorSetting(store, "BasicEdge2"));
} catch (IteratorSettingException e) {
fail(e.getMessage());
}
final RangeFactory rangeF = store.getKeyPackage().getRangeFactory();
final Range r =
rangeF.getRangeFromPair(
new Pair<ElementSeed>((new EntitySeed("1")), new EntitySeed("4")),
new SummariseGroupOverRanges());
final Range r2 =
rangeF.getRangeFromPair(
new Pair<ElementSeed>((new EntitySeed("5")), new EntitySeed("5")),
new SummariseGroupOverRanges());
scanner.setRanges(Arrays.asList(r, r2));
final Iterator<Map.Entry<Key, Value>> it = scanner.iterator();
Map.Entry<Key, Value> entry = it.next();
Element readEdge = elementConverter.getFullElement(entry.getKey(), entry.getValue());
Edge expectedEdge = new Edge("BasicEdge2");
expectedEdge.setSource("4");
expectedEdge.setDestination("8");
expectedEdge.setDirected(true);
expectedEdge.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 5);
expectedEdge.putProperty(AccumuloPropertyNames.COUNT, 3);
assertEquals(expectedEdge, readEdge);
assertEquals(5, readEdge.getProperty(AccumuloPropertyNames.COLUMN_QUALIFIER));
assertEquals(3, readEdge.getProperty(AccumuloPropertyNames.COUNT));
// Check we get the Result of the second provided range
assertTrue(it.hasNext());
entry = it.next();
readEdge = elementConverter.getFullElement(entry.getKey(), entry.getValue());
expectedEdge = new Edge("BasicEdge2");
expectedEdge.setSource("5");
expectedEdge.setDestination("9");
expectedEdge.setDirected(true);
expectedEdge.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 2);
expectedEdge.putProperty(AccumuloPropertyNames.COUNT, 1);
assertEquals(expectedEdge, readEdge);
// Check no additional rows are found. (For a table of this size we shouldn't see this)
if (it.hasNext()) {
fail("Additional row found.");
}
} catch (AccumuloException | TableExistsException | TableNotFoundException e) {
fail(this.getClass().getSimpleName() + " failed with exception: " + e);
}
}
}