Examples with AtlasGraph org.apache.atlas.repository.graphdb.AtlasGraph used on opensource projects

Example 1 with AtlasGraph

use of org.apache.atlas.repository.graphdb.AtlasGraph in project incubator-atlas by apache.

the class GraphHelperTest method testGetOutgoingEdgesByLabel.

@Test
public void testGetOutgoingEdgesByLabel() throws Exception {
    AtlasGraph graph = TestUtils.getGraph();
    AtlasVertex v1 = graph.addVertex();
    AtlasVertex v2 = graph.addVertex();
    graph.addEdge(v1, v2, "l1");
    graph.addEdge(v1, v2, "l2");
    Iterator<AtlasEdge> iterator = GraphHelper.getInstance().getOutGoingEdgesByLabel(v1, "l1");
    assertTrue(iterator.hasNext());
    assertTrue(iterator.hasNext());
    assertNotNull(iterator.next());
    assertNull(iterator.next());
    assertFalse(iterator.hasNext());
    assertFalse(iterator.hasNext());
}

Example 2 with AtlasGraph

use of org.apache.atlas.repository.graphdb.AtlasGraph in project incubator-atlas by apache.

the class GraphBackedSearchIndexerTest method verifyUserDefinedTypeIndex.

@Test
public void verifyUserDefinedTypeIndex() throws AtlasException {
    AtlasGraph graph = TestUtils.getGraph();
    AtlasGraphManagement managementSystem = graph.getManagementSystem();
    try {
        TypeSystem typeSystem = TypeSystem.getInstance();
        String enumName = "randomEnum" + RandomStringUtils.randomAlphanumeric(10);
        EnumType managedType = typeSystem.defineEnumType(enumName, new EnumValue("randomEnumValue", 0));
        HierarchicalTypeDefinition<ClassType> databaseTypeDefinition = createClassTypeDef("Database", "Database type description", null, TypesUtil.createUniqueRequiredAttrDef("name", DataTypes.STRING_TYPE), TypesUtil.createRequiredAttrDef("managedType", managedType));
        ClassType databaseType = typeSystem.defineClassType(databaseTypeDefinition);
        graphBackedSearchIndexer.onAdd(Arrays.asList(databaseType));
        verifySystemCompositeIndex(managementSystem, "Database.name" + Constants.ENTITY_TYPE_PROPERTY_KEY, false);
        verifyVertexIndexContains(managementSystem, "Database.name" + Constants.ENTITY_TYPE_PROPERTY_KEY);
        verifySystemCompositeIndex(managementSystem, "Database.name" + Constants.SUPER_TYPES_PROPERTY_KEY, false);
        verifyVertexIndexContains(managementSystem, "Database.managedType");
    } finally {
        //search indexer uses its own titan management transaction
        managementSystem.rollback();
    }
}

Example 3 with AtlasGraph

use of org.apache.atlas.repository.graphdb.AtlasGraph in project incubator-atlas by apache.

the class GraphBackedSearchIndexerTest method verifySystemMixedIndexes.

@Test
public void verifySystemMixedIndexes() {
    AtlasGraph graph = TestUtils.getGraph();
    AtlasGraphManagement managementSystem = graph.getManagementSystem();
    try {
        AtlasGraphIndex vertexIndex = managementSystem.getGraphIndex(Constants.VERTEX_INDEX);
        assertNotNull(vertexIndex);
        assertTrue(vertexIndex.isMixedIndex());
        assertFalse(vertexIndex.isEdgeIndex());
        assertTrue(vertexIndex.isVertexIndex());
        AtlasGraphIndex edgeIndex = managementSystem.getGraphIndex(Constants.EDGE_INDEX);
        assertNotNull(edgeIndex);
        assertTrue(edgeIndex.isMixedIndex());
        assertTrue(edgeIndex.isEdgeIndex());
        assertFalse(edgeIndex.isVertexIndex());
        verifyVertexIndexContains(managementSystem, Constants.STATE_PROPERTY_KEY);
    } finally {
        managementSystem.rollback();
    }
}

Example 4 with AtlasGraph

use of org.apache.atlas.repository.graphdb.AtlasGraph in project incubator-atlas by apache.

the class GraphBackedSearchIndexerTest method verifyTypeStoreIndexes.

@Test
public void verifyTypeStoreIndexes() {
    AtlasGraph graph = TestUtils.getGraph();
    AtlasGraphManagement managementSystem = graph.getManagementSystem();
    try {
        verifySystemCompositeIndex(managementSystem, Constants.TYPENAME_PROPERTY_KEY, true);
        verifyVertexIndexContains(managementSystem, Constants.TYPENAME_PROPERTY_KEY);
        verifySystemCompositeIndex(managementSystem, Constants.VERTEX_TYPE_PROPERTY_KEY, false);
        verifyVertexIndexContains(managementSystem, Constants.VERTEX_TYPE_PROPERTY_KEY);
    } finally {
        managementSystem.rollback();
    }
}

Example 5 with AtlasGraph

use of org.apache.atlas.repository.graphdb.AtlasGraph in project incubator-atlas by apache.

the class Titan0DatabaseTest method getGraph.

private <V, E> AtlasGraph<V, E> getGraph() {
    GraphSandboxUtil.create();
    if (atlasGraph == null) {
        Titan0GraphDatabase db = new Titan0GraphDatabase();
        atlasGraph = db.getGraph();
        AtlasGraphManagement mgmt = atlasGraph.getManagementSystem();
        // many)
        for (String propertyName : new String[] { "__superTypeNames", "__traitNames" }) {
            AtlasPropertyKey propertyKey = mgmt.getPropertyKey(propertyName);
            if (propertyKey == null) {
                propertyKey = mgmt.makePropertyKey(propertyName, String.class, AtlasCardinality.SET);
                mgmt.createExactMatchIndex(propertyName, false, Collections.singletonList(propertyKey));
            }
        }
        mgmt.commit();
    }
    return (AtlasGraph<V, E>) atlasGraph;
}