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-rw-r--r--aai-core/src/main/java/org/onap/aai/dbgen/SchemaGenerator.java106
1 files changed, 55 insertions, 51 deletions
diff --git a/aai-core/src/main/java/org/onap/aai/dbgen/SchemaGenerator.java b/aai-core/src/main/java/org/onap/aai/dbgen/SchemaGenerator.java
index e6b6fbaf..af81c2d2 100644
--- a/aai-core/src/main/java/org/onap/aai/dbgen/SchemaGenerator.java
+++ b/aai-core/src/main/java/org/onap/aai/dbgen/SchemaGenerator.java
@@ -1,4 +1,4 @@
-/**
+/*
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
@@ -23,7 +23,6 @@ package org.onap.aai.dbgen;
import com.google.common.collect.Multimap;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.janusgraph.core.Cardinality;
-import org.janusgraph.core.JanusGraph;
import org.janusgraph.core.Multiplicity;
import org.janusgraph.core.PropertyKey;
import org.janusgraph.core.schema.JanusGraphManagement;
@@ -32,7 +31,6 @@ import org.onap.aai.edges.EdgeIngestor;
import org.onap.aai.edges.EdgeRule;
import org.onap.aai.edges.exceptions.EdgeRuleNotFoundException;
import org.onap.aai.introspection.Introspector;
-import org.onap.aai.introspection.Loader;
import org.onap.aai.introspection.LoaderUtil;
import org.onap.aai.logging.LogFormatTools;
import org.onap.aai.schema.enums.PropertyMetadata;
@@ -40,14 +38,19 @@ import org.onap.aai.util.AAIConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import java.util.*;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
public class SchemaGenerator {
private static final Logger LOGGER = LoggerFactory.getLogger(SchemaGenerator.class);
private SchemaGenerator() {
-
}
/**
@@ -56,13 +59,12 @@ public class SchemaGenerator {
* @param graphMgmt
* the graph mgmt
*/
- public static void loadSchemaIntoJanusGraph(final JanusGraphManagement graphMgmt,
- String backend) {
+ public static void loadSchemaIntoJanusGraph(final JanusGraphManagement graphMgmt, String backend) {
try {
AAIConfig.init();
} catch (Exception ex) {
- LOGGER.error(" ERROR - Could not run AAIConfig.init(). " + LogFormatTools.getStackTop(ex));
+ LOGGER.error(" ERROR - Could not run AAIConfig.init(). {}", LogFormatTools.getStackTop(ex));
System.exit(1);
}
@@ -79,35 +81,10 @@ public class SchemaGenerator {
// multiplicty definitions depends on which two types of nodes are being
// connected.
- Multimap<String, EdgeRule> edges = null;
- Set<String> labels = new HashSet<>();
-
- EdgeIngestor edgeIngestor = SpringContextAware.getBean(EdgeIngestor.class);
-
- try {
- edges = edgeIngestor.getAllCurrentRules();
- } catch (EdgeRuleNotFoundException e) {
- LOGGER.error("Unable to find all rules {}", LogFormatTools.getStackTop(e));
- }
-
- for (EdgeRule rule : edges.values()) {
- labels.add(rule.getLabel());
- }
+ makeEdgeLabels(graphMgmt);
- for (String label : labels) {
- if (graphMgmt.containsRelationType(label)) {
- String dmsg = " EdgeLabel [" + label + "] already existed. ";
- LOGGER.debug(dmsg);
- } else {
- String dmsg = "Making EdgeLabel: [" + label + "]";
- LOGGER.debug(dmsg);
- graphMgmt.makeEdgeLabel(label).multiplicity(Multiplicity.valueOf("MULTI")).make();
- }
- }
- Loader loader = LoaderUtil.getLatestVersion();
-
- Map<String, Introspector> objs = loader.getAllObjects();
+ Map<String, Introspector> objs = LoaderUtil.getLatestVersion().getAllObjects();
Map<String, PropertyKey> seenProps = new HashMap<>();
for (Introspector obj : objs.values()) {
@@ -118,8 +95,7 @@ public class SchemaGenerator {
dbPropName = alias.get();
}
if (graphMgmt.containsRelationType(dbPropName)) {
- String dmsg = " PropertyKey [" + dbPropName + "] already existed in the DB. ";
- LOGGER.debug(dmsg);
+ LOGGER.debug(" PropertyKey [{}] already existed in the DB. ", dbPropName);
} else {
Class<?> type = obj.getClass(propName);
Cardinality cardinality = Cardinality.SINGLE;
@@ -134,9 +110,8 @@ public class SchemaGenerator {
if (process) {
- String imsg = "Creating PropertyKey: [" + dbPropName + "], [" + type.getSimpleName() + "], ["
- + cardinality + "]";
- LOGGER.info(imsg);
+ LOGGER.info("Creating PropertyKey: [{}], [{}], [{}]",
+ dbPropName, type.getSimpleName(), cardinality);
PropertyKey propK;
if (!seenProps.containsKey(dbPropName)) {
propK = graphMgmt.makePropertyKey(dbPropName).dataType(type).cardinality(cardinality)
@@ -146,23 +121,19 @@ public class SchemaGenerator {
propK = seenProps.get(dbPropName);
}
if (graphMgmt.containsGraphIndex(dbPropName)) {
- String dmsg = " Index [" + dbPropName + "] already existed in the DB. ";
- LOGGER.debug(dmsg);
+ LOGGER.debug(" Index [{}] already existed in the DB. ", dbPropName);
} else {
if (obj.getIndexedProperties().contains(propName)) {
if (obj.getUniqueProperties().contains(propName)) {
- imsg = "Add Unique index for PropertyKey: [" + dbPropName + "]";
- LOGGER.info(imsg);
+ LOGGER.info("Add Unique index for PropertyKey: [{}]", dbPropName);
graphMgmt.buildIndex(dbPropName, Vertex.class).addKey(propK).unique()
.buildCompositeIndex();
} else {
- imsg = "Add index for PropertyKey: [" + dbPropName + "]";
- LOGGER.info(imsg);
+ LOGGER.info("Add index for PropertyKey: [{}]", dbPropName);
graphMgmt.buildIndex(dbPropName, Vertex.class).addKey(propK).buildCompositeIndex();
}
} else {
- imsg = "No index added for PropertyKey: [" + dbPropName + "]";
- LOGGER.info(imsg);
+ LOGGER.info("No index added for PropertyKey: [{}]", dbPropName);
}
}
}
@@ -170,13 +141,46 @@ public class SchemaGenerator {
}
}
- String imsg = "-- About to call graphMgmt commit";
- LOGGER.info(imsg);
+ LOGGER.info("-- About to call graphMgmt commit");
if (backend != null) {
- LOGGER.info(String.format("Successfully loaded the schema to %s", backend));
+ LOGGER.info("Successfully loaded the schema to {}", backend);
}
graphMgmt.commit();
}
+ private static void makeEdgeLabels(JanusGraphManagement graphMgmt) {
+ try {
+ EdgeIngestor edgeIngestor = SpringContextAware.getBean(EdgeIngestor.class);
+
+ Set<String> labels = Optional.ofNullable(edgeIngestor.getAllCurrentRules())
+ .map(collectValues(EdgeRule::getLabel))
+ .orElseGet(HashSet::new);
+
+ labels.forEach(label -> {
+ if (graphMgmt.containsRelationType(label)) {
+ LOGGER.debug(" EdgeLabel [{}] already existed. ", label);
+ } else {
+ LOGGER.debug("Making EdgeLabel: [{}]", label);
+ graphMgmt.makeEdgeLabel(label).multiplicity(Multiplicity.valueOf("MULTI")).make();
+ }
+ });
+ } catch (EdgeRuleNotFoundException e) {
+ LOGGER.error("Unable to find all rules {}", LogFormatTools.getStackTop(e));
+ }
+ }
+
+ /**
+ * Returns a function collecting all the values in a {@link com.google.common.collect.Multimap}
+ * given a mapping function
+ *
+ * @param f The mapper function
+ * @param <K> The type of key used by the provided {@link com.google.common.collect.Multimap}
+ * @param <V> The type of value used by the provided {@link com.google.common.collect.Multimap}
+ * @param <V0> The type which <V> is mapped to
+ */
+ private static <K, V, V0> Function<Multimap<K, V>, Set<V0>> collectValues(Function<V, V0> f) {
+ return as -> as.values().stream().map(f).collect(Collectors.toSet());
+ }
+
}