Examples with IteratorSetting org.apache.accumulo.core.client.IteratorSetting used on opensource projects

Example 21 with IteratorSetting

use of org.apache.accumulo.core.client.IteratorSetting in project Gaffer by gchq.

the class AccumuloRetriever method getScanner.

/**
     * Create a scanner to use used in your query.
     * <p>
     *
     * @param ranges the ranges to get the scanner for
     * @return A {@link org.apache.accumulo.core.client.BatchScanner} for the
     * table specified in the properties with the ranges provided.
     * @throws TableNotFoundException if an accumulo table could not be found
     * @throws StoreException         if a connection to accumulo could not be created.
     */
protected BatchScanner getScanner(final Set<Range> ranges) throws TableNotFoundException, StoreException {
    final BatchScanner scanner = store.getConnection().createBatchScanner(store.getProperties().getTable(), authorisations, store.getProperties().getThreadsForBatchScanner());
    if (iteratorSettings != null) {
        for (final IteratorSetting iteratorSetting : iteratorSettings) {
            if (iteratorSetting != null) {
                scanner.addScanIterator(iteratorSetting);
            }
        }
    }
    scanner.setRanges(ranges);
    // Currently hard links element class to column family position.
    if (IncludeEdgeType.NONE != operation.getIncludeEdges()) {
        for (final String col : operation.getView().getEdgeGroups()) {
            scanner.fetchColumnFamily(new Text(col));
        }
    }
    if (operation.isIncludeEntities()) {
        for (final String col : operation.getView().getEntityGroups()) {
            scanner.fetchColumnFamily(new Text(col));
        }
    }
    return scanner;
}

Example 22 with IteratorSetting

use of org.apache.accumulo.core.client.IteratorSetting in project Gaffer by gchq.

the class TableUtilsTest method shouldCreateTableWithAllRequiredIterators.

@Test
public void shouldCreateTableWithAllRequiredIterators() throws Exception {
    // Given
    final MockAccumuloStore store = new MockAccumuloStore();
    final Schema schema = new Schema.Builder().type(TestTypes.ID_STRING, new TypeDefinition.Builder().aggregateFunction(new StringConcat()).clazz(String.class).build()).type(TestTypes.DIRECTED_TRUE, Boolean.class).edge(TestGroups.EDGE, new SchemaEdgeDefinition.Builder().source(TestTypes.ID_STRING).destination(TestTypes.ID_STRING).directed(TestTypes.DIRECTED_TRUE).build()).build();
    final AccumuloProperties props = AccumuloProperties.loadStoreProperties(StreamUtil.storeProps(TableUtilsTest.class));
    props.setTable(TABLE_NAME);
    store.initialise(schema, props);
    // When
    TableUtils.createTable(store);
    // Then
    final Map<String, EnumSet<IteratorScope>> itrs = store.getConnection().tableOperations().listIterators(TABLE_NAME);
    assertEquals(2, itrs.size());
    final EnumSet<IteratorScope> validator = itrs.get(AccumuloStoreConstants.VALIDATOR_ITERATOR_NAME);
    assertEquals(EnumSet.allOf(IteratorScope.class), validator);
    final IteratorSetting validatorSetting = store.getConnection().tableOperations().getIteratorSetting(TABLE_NAME, AccumuloStoreConstants.VALIDATOR_ITERATOR_NAME, IteratorScope.majc);
    assertEquals(AccumuloStoreConstants.VALIDATOR_ITERATOR_PRIORITY, validatorSetting.getPriority());
    assertEquals(ValidatorFilter.class.getName(), validatorSetting.getIteratorClass());
    final Map<String, String> validatorOptions = validatorSetting.getOptions();
    assertNotNull(Schema.fromJson(validatorOptions.get(AccumuloStoreConstants.SCHEMA).getBytes(CommonConstants.UTF_8)).getEdge(TestGroups.EDGE));
    assertEquals(ByteEntityAccumuloElementConverter.class.getName(), validatorOptions.get(AccumuloStoreConstants.ACCUMULO_ELEMENT_CONVERTER_CLASS));
    final EnumSet<IteratorScope> aggregator = itrs.get(AccumuloStoreConstants.AGGREGATOR_ITERATOR_NAME);
    assertEquals(EnumSet.allOf(IteratorScope.class), aggregator);
    final IteratorSetting aggregatorSetting = store.getConnection().tableOperations().getIteratorSetting(TABLE_NAME, AccumuloStoreConstants.AGGREGATOR_ITERATOR_NAME, IteratorScope.majc);
    assertEquals(AccumuloStoreConstants.AGGREGATOR_ITERATOR_PRIORITY, aggregatorSetting.getPriority());
    assertEquals(AggregatorIterator.class.getName(), aggregatorSetting.getIteratorClass());
    final Map<String, String> aggregatorOptions = aggregatorSetting.getOptions();
    assertNotNull(Schema.fromJson(aggregatorOptions.get(AccumuloStoreConstants.SCHEMA).getBytes(CommonConstants.UTF_8)).getEdge(TestGroups.EDGE));
    assertEquals(ByteEntityAccumuloElementConverter.class.getName(), aggregatorOptions.get(AccumuloStoreConstants.ACCUMULO_ELEMENT_CONVERTER_CLASS));
    final Map<String, String> tableProps = new HashMap<>();
    for (final Map.Entry<String, String> entry : store.getConnection().tableOperations().getProperties(TABLE_NAME)) {
        tableProps.put(entry.getKey(), entry.getValue());
    }
    assertEquals(0, Integer.parseInt(tableProps.get(Property.TABLE_FILE_REPLICATION.getKey())));
}

Example 23 with IteratorSetting

use of org.apache.accumulo.core.client.IteratorSetting in project Gaffer by gchq.

the class TableUtilsTest method shouldCreateTableCorrectlyIfSchemaContainsNoAggregators.

@Test
public void shouldCreateTableCorrectlyIfSchemaContainsNoAggregators() throws Exception {
    // Given
    final MockAccumuloStore store = new MockAccumuloStore();
    final Schema schema = new Schema.Builder().type(TestTypes.ID_STRING, String.class).type(TestTypes.DIRECTED_TRUE, Boolean.class).edge(TestGroups.EDGE, new SchemaEdgeDefinition.Builder().source(TestTypes.ID_STRING).destination(TestTypes.ID_STRING).directed(TestTypes.DIRECTED_TRUE).build()).build();
    final AccumuloProperties props = AccumuloProperties.loadStoreProperties(StreamUtil.storeProps(TableUtilsTest.class));
    props.setTable(NO_AGGREGATORS_TABLE_NAME);
    store.initialise(schema, props);
    // When
    TableUtils.createTable(store);
    // Then
    final Map<String, EnumSet<IteratorScope>> itrs = store.getConnection().tableOperations().listIterators(NO_AGGREGATORS_TABLE_NAME);
    assertEquals(1, itrs.size());
    final EnumSet<IteratorScope> validator = itrs.get(AccumuloStoreConstants.VALIDATOR_ITERATOR_NAME);
    assertEquals(EnumSet.allOf(IteratorScope.class), validator);
    final IteratorSetting validatorSetting = store.getConnection().tableOperations().getIteratorSetting(NO_AGGREGATORS_TABLE_NAME, AccumuloStoreConstants.VALIDATOR_ITERATOR_NAME, IteratorScope.majc);
    assertEquals(AccumuloStoreConstants.VALIDATOR_ITERATOR_PRIORITY, validatorSetting.getPriority());
    assertEquals(ValidatorFilter.class.getName(), validatorSetting.getIteratorClass());
    final Map<String, String> validatorOptions = validatorSetting.getOptions();
    assertNotNull(Schema.fromJson(validatorOptions.get(AccumuloStoreConstants.SCHEMA).getBytes(CommonConstants.UTF_8)).getEdge(TestGroups.EDGE));
    assertEquals(ByteEntityAccumuloElementConverter.class.getName(), validatorOptions.get(AccumuloStoreConstants.ACCUMULO_ELEMENT_CONVERTER_CLASS));
    final EnumSet<IteratorScope> aggregator = itrs.get(AccumuloStoreConstants.AGGREGATOR_ITERATOR_NAME);
    assertNull(aggregator);
    final IteratorSetting aggregatorSetting = store.getConnection().tableOperations().getIteratorSetting(NO_AGGREGATORS_TABLE_NAME, AccumuloStoreConstants.AGGREGATOR_ITERATOR_NAME, IteratorScope.majc);
    assertNull(aggregatorSetting);
    final Map<String, String> tableProps = new HashMap<>();
    for (final Map.Entry<String, String> entry : store.getConnection().tableOperations().getProperties(NO_AGGREGATORS_TABLE_NAME)) {
        tableProps.put(entry.getKey(), entry.getValue());
    }
    assertEquals(0, Integer.parseInt(tableProps.get(Property.TABLE_FILE_REPLICATION.getKey())));
}

Example 24 with IteratorSetting

use of org.apache.accumulo.core.client.IteratorSetting in project Gaffer by gchq.

the class CoreKeyGroupByAggregatorIteratorTest method testAggregatingEmptyColumnQualifier.

public void testAggregatingEmptyColumnQualifier(final AccumuloStore store, final AccumuloElementConverter elementConverter) throws StoreException, AccumuloElementConversionException {
    final String visibilityString = "public";
    try {
        // Create edge
        final Edge edge = new Edge(TestGroups.EDGE);
        edge.setSource("1");
        edge.setDestination("2");
        edge.setDirected(true);
        edge.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 8);
        edge.putProperty(AccumuloPropertyNames.PROP_1, 0);
        edge.putProperty(AccumuloPropertyNames.PROP_2, 0);
        edge.putProperty(AccumuloPropertyNames.PROP_3, 0);
        edge.putProperty(AccumuloPropertyNames.PROP_4, 0);
        edge.putProperty(AccumuloPropertyNames.COUNT, 1);
        //THIS EDGE WILL BE REDUCED MEANING ITS CQ (columnQualifier) will only occur once because its key is equal.
        final Edge edge2 = new Edge(TestGroups.EDGE);
        edge2.setSource("1");
        edge2.setDestination("2");
        edge2.setDirected(true);
        edge2.putProperty(AccumuloPropertyNames.PROP_1, 0);
        edge2.putProperty(AccumuloPropertyNames.PROP_2, 0);
        edge2.putProperty(AccumuloPropertyNames.PROP_3, 0);
        edge2.putProperty(AccumuloPropertyNames.PROP_4, 0);
        edge2.putProperty(AccumuloPropertyNames.COUNT, 2);
        final Edge edge3 = new Edge(TestGroups.EDGE);
        edge3.setSource("1");
        edge3.setDestination("2");
        edge3.setDirected(true);
        edge3.putProperty(AccumuloPropertyNames.PROP_1, 0);
        edge3.putProperty(AccumuloPropertyNames.PROP_2, 0);
        edge3.putProperty(AccumuloPropertyNames.PROP_3, 0);
        edge3.putProperty(AccumuloPropertyNames.PROP_4, 0);
        edge3.putProperty(AccumuloPropertyNames.COUNT, 10);
        // Accumulo key
        final Key key = elementConverter.getKeysFromEdge(edge).getFirst();
        final Key key2 = elementConverter.getKeysFromEdge(edge2).getFirst();
        final Key key3 = elementConverter.getKeysFromEdge(edge3).getFirst();
        // Accumulo values
        final Value value1 = elementConverter.getValueFromProperties(TestGroups.EDGE, edge.getProperties());
        final Value value2 = elementConverter.getValueFromProperties(TestGroups.EDGE, edge2.getProperties());
        final Value value3 = elementConverter.getValueFromProperties(TestGroups.EDGE, edge3.getProperties());
        // 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);
        // 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.close();
        Edge expectedEdge = new Edge(TestGroups.EDGE);
        expectedEdge.setSource("1");
        expectedEdge.setDestination("2");
        expectedEdge.setDirected(true);
        expectedEdge.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 8);
        expectedEdge.putProperty(AccumuloPropertyNames.COUNT, 15);
        expectedEdge.putProperty(AccumuloPropertyNames.PROP_1, 0);
        expectedEdge.putProperty(AccumuloPropertyNames.PROP_2, 0);
        expectedEdge.putProperty(AccumuloPropertyNames.PROP_3, 0);
        expectedEdge.putProperty(AccumuloPropertyNames.PROP_4, 0);
        // Read data back and check we get one merged element
        final Authorizations authorizations = new Authorizations(visibilityString);
        final Scanner scanner = store.getConnection().createScanner(store.getProperties().getTable(), authorizations);
        final IteratorSetting iteratorSetting = new IteratorSettingBuilder(AccumuloStoreConstants.COLUMN_QUALIFIER_AGGREGATOR_ITERATOR_PRIORITY, "KeyCombiner", CoreKeyGroupByAggregatorIterator.class).all().view(new View.Builder().edge(TestGroups.EDGE, new ViewElementDefinition.Builder().groupBy().build()).build()).schema(store.getSchema()).keyConverter(store.getKeyPackage().getKeyConverter()).build();
        scanner.addScanIterator(iteratorSetting);
        final Iterator<Entry<Key, Value>> it = scanner.iterator();
        final Entry<Key, Value> entry = it.next();
        final Element readEdge = elementConverter.getFullElement(entry.getKey(), entry.getValue());
        assertEquals(expectedEdge, readEdge);
        assertEquals(8, readEdge.getProperty(AccumuloPropertyNames.COLUMN_QUALIFIER));
        assertEquals(15, readEdge.getProperty(AccumuloPropertyNames.COUNT));
        // Check no more entries
        if (it.hasNext()) {
            fail("Additional row found.");
        }
    } catch (AccumuloException | TableNotFoundException e) {
        fail(this.getClass().getSimpleName() + " failed with exception: " + e);
    }
}

Example 25 with IteratorSetting

use of org.apache.accumulo.core.client.IteratorSetting in project Gaffer by gchq.

the class CoreKeyGroupByAggregatorIteratorTest method testAggregatingSinglePropertySet.

public void testAggregatingSinglePropertySet(final AccumuloStore store, final AccumuloElementConverter elementConverter) throws StoreException, AccumuloElementConversionException {
    String visibilityString = "public";
    try {
        // Create edge
        final Edge edge = new Edge(TestGroups.EDGE);
        edge.setSource("1");
        edge.setDestination("2");
        edge.setDirected(true);
        edge.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 8);
        edge.putProperty(AccumuloPropertyNames.COUNT, 1);
        final Properties properties1 = new Properties();
        properties1.put(AccumuloPropertyNames.COUNT, 1);
        // Accumulo key
        final Key key = elementConverter.getKeysFromEdge(edge).getFirst();
        // Accumulo values
        final Value value1 = elementConverter.getValueFromProperties(TestGroups.EDGE, properties1);
        // Create mutation
        final Mutation m1 = new Mutation(key.getRow());
        m1.put(key.getColumnFamily(), key.getColumnQualifier(), new ColumnVisibility(key.getColumnVisibility()), key.getTimestamp(), value1);
        // 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.close();
        final Edge expectedEdge = new Edge(TestGroups.EDGE);
        expectedEdge.setSource("1");
        expectedEdge.setDestination("2");
        expectedEdge.setDirected(true);
        expectedEdge.putProperty(AccumuloPropertyNames.COLUMN_QUALIFIER, 8);
        expectedEdge.putProperty(AccumuloPropertyNames.COUNT, 1);
        // Read data back and check we get one merged element
        final Authorizations authorizations = new Authorizations(visibilityString);
        final Scanner scanner = store.getConnection().createScanner(store.getProperties().getTable(), authorizations);
        final IteratorSetting iteratorSetting = new IteratorSettingBuilder(AccumuloStoreConstants.COLUMN_QUALIFIER_AGGREGATOR_ITERATOR_PRIORITY, "KeyCombiner", CoreKeyGroupByAggregatorIterator.class).all().view(new View.Builder().edge(TestGroups.EDGE, new ViewElementDefinition.Builder().groupBy().build()).build()).schema(store.getSchema()).keyConverter(store.getKeyPackage().getKeyConverter()).build();
        scanner.addScanIterator(iteratorSetting);
        final Iterator<Entry<Key, Value>> it = scanner.iterator();
        final Entry<Key, Value> entry = it.next();
        final Element readEdge = elementConverter.getFullElement(entry.getKey(), entry.getValue());
        assertEquals(expectedEdge, readEdge);
        assertEquals(8, readEdge.getProperty(AccumuloPropertyNames.COLUMN_QUALIFIER));
        assertEquals(1, readEdge.getProperty(AccumuloPropertyNames.COUNT));
        // Check no more entries
        if (it.hasNext()) {
            fail("Additional row found.");
        }
    } catch (AccumuloException | TableNotFoundException e) {
        fail(this.getClass().getSimpleName() + " failed with exception: " + e);
    }
}