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Vertical lineage query for Glossary & GlossaryCategory #6906

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merged 2 commits into from
Oct 10, 2022
Merged

Vertical lineage query for Glossary & GlossaryCategory #6906

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4a5c7f9
updated query to return vertical lineage for glossary & glossaryCategory
Sep 28, 2022
9a9fd41
Merge branch 'master' into query-lineage-improvements
marius-patrascu Oct 10, 2022
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2 changes: 1 addition & 1 deletion ...edaemonconnectors/openlineageconnectors/janusconnector/graph/LineageGraphQueryHelper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -248,7 +248,7 @@ public void addColumnProperties(LineageVerticesAndEdges lineageVerticesAndEdges)
private boolean needsAdditionalNodeContext(LineageVertex lineageVertex) {
List<String> types = new ArrayList<>();
types.addAll(DATA_FILE_AND_SUBTYPES);
types.addAll(Arrays.asList(RELATIONAL_TABLE, GLOSSARY_TERM, GLOSSARY_CATEGORY, PROCESS,
types.addAll(Arrays.asList(RELATIONAL_TABLE, GLOSSARY_TERM, GLOSSARY_CATEGORY, GLOSSARY, PROCESS,
TABULAR_COLUMN, TABULAR_FILE_COLUMN, RELATIONAL_COLUMN, NODE_LABEL_SUB_PROCESS, TOPIC, EVENT_SCHEMA_ATTRIBUTE));
return types.contains(lineageVertex.getNodeType());
}
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18 changes: 18 additions & 0 deletions ...daemonconnectors/openlineageconnectors/janusconnector/graph/LineageGraphQueryService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -92,12 +92,15 @@
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.Constants.TABULAR_FILE_COLUMN;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.Constants.TERM_CATEGORIZATION;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.Constants.TOPIC;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.Constants.GLOSSARY;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.Constants.GLOSSARY_CATEGORY;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants.CONDENSED_NODE_DISPLAY_NAME;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants.DESTINATION_CONDENSATION;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants.EDGE_LABEL_CLASSIFICATION;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants.EDGE_LABEL_COLUMN_DATA_FLOW;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants.EDGE_LABEL_CONDENSED;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants.EDGE_LABEL_TABLE_DATA_FLOW;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants.EDGE_LABEL_TERM_ANCHOR;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants.NODE_LABEL_CONDENSED;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants.NODE_LABEL_SUB_PROCESS;
import static org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants.PROPERTY_KEY_ENTITY_GUID;
Expand Down Expand Up @@ -331,6 +334,10 @@ public Optional<LineageVerticesAndEdges> verticalLineage(String guid) {
String label = queriedVertex.label();
Graph graph;
switch (label) {
case GLOSSARY:
graph = this.graphHelper.getResult(this::glossaryVerticalLineage, guid, this::handleVerticalLineageNotFoundException);
break;
case GLOSSARY_CATEGORY:
case GLOSSARY_TERM:
graph = this.graphHelper.getResult(this::glossaryTermVerticalLineage, guid, this::handleVerticalLineageNotFoundException);
break;
Expand Down Expand Up @@ -363,6 +370,17 @@ private void handleGetQueriedVertexException(Exception e, String guid) {
throw new JanusConnectorException(this.getClass().getName(), "getQueriedVertex", COULD_NOT_RETRIEVE_VERTEX);
}

/**
* Returns a subgraph by navigating {@link org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.GraphConstants#EDGE_LABEL_TERM_ANCHOR}
*
* @param guid guid to extract vertical lineage for
* @return a subgraph in an Open Lineage specific format.
*/
private Graph glossaryVerticalLineage(GraphTraversalSource g, String guid) {
return (Graph) g.V().has(PROPERTY_KEY_ENTITY_GUID, guid).bothE(EDGE_LABEL_TERM_ANCHOR)
.subgraph(S).cap(S).next();
}

/**
* Returns a subgraph by navigating edges specified in {@link org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.utils.Constants#GLOSSARY_TERM_AND_CLASSIFICATION_EDGES},
* like semantic assignments and various relationships between glossary terms. Classifications are included
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1 change: 1 addition & 0 deletions ...governancedaemonconnectors/openlineageconnectors/janusconnector/utils/GraphConstants.java
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Expand Up @@ -75,6 +75,7 @@ private GraphConstants() {
public static final String EDGE_LABEL_SYNONYM = "Synonym";
public static final String EDGE_LABEL_ANTONYM = "Antonym";
public static final String EDGE_LABEL_REPLACEMENT_TERM = "ReplacementTerm";
public static final String EDGE_LABEL_TERM_ANCHOR = "TermAnchor";
public static final String EDGE_LABEL_TRANSLATION = "Translation";
public static final String EDGE_LABEL_IS_A_RELATIONSHIP = "ISARelationship";
public static final String EDGE_LABEL_CONDENSED = "condensed";
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