* limitations under the License.
* ============LICENSE_END=========================================================
*/
+
package org.onap.aai.serialization.engines;
-import org.janusgraph.core.JanusGraph;
-import org.janusgraph.core.schema.JanusGraphManagement;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
+
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
import org.apache.tinkerpop.gremlin.process.traversal.strategy.verification.ReadOnlyStrategy;
import org.apache.tinkerpop.gremlin.structure.Graph;
import org.apache.tinkerpop.gremlin.structure.Vertex;
+import org.janusgraph.core.JanusGraph;
+import org.janusgraph.core.schema.JanusGraphManagement;
import org.onap.aai.dbmap.DBConnectionType;
import org.onap.aai.introspection.Loader;
import org.onap.aai.query.builder.*;
import org.onap.aai.serialization.engines.query.GraphTraversalQueryEngine;
import org.onap.aai.serialization.engines.query.QueryEngine;
-import java.util.List;
-import java.util.concurrent.atomic.AtomicInteger;
-
public abstract class TransactionalGraphEngine {
-
- protected GraphSingleton singleton = null;
- protected QueryEngine queryEngine = null;
- protected QueryBuilder<Vertex> queryBuilder = null;
- protected QueryStyle style = null;
- protected final DBConnectionType connectionType;
- protected final Loader loader;
- protected Graph currentTx = null;
- protected GraphTraversalSource currentTraversal = null;
- protected GraphTraversalSource readOnlyTraversal = null;
- private final Admin admin;
- /**
- * Instantiates a new transactional graph engine.
- *
- * @param style the style
- * @param loader the loader
- */
- public TransactionalGraphEngine (QueryStyle style, Loader loader, DBConnectionType connectionType, GraphSingleton singleton) {
- this.loader = loader;
- this.style = style;
- this.singleton = singleton;
- this.connectionType = connectionType;
- admin = new Admin();
- }
-
- public TransactionalGraphEngine (QueryStyle style, Loader loader) {
- this.loader = loader;
- this.style = style;
- this.connectionType = DBConnectionType.REALTIME;
- admin = new Admin();
-
- }
-
- /**
- * Sets the list property.
- *
- * @param v the v
- * @param name the name
- * @param obj the obj
- * @return true, if successful
- */
- public abstract boolean setListProperty(Vertex v, String name, List<?> obj);
-
- /**
- * Gets the list property.
- *
- * @param v the v
- * @param name the name
- * @return the list property
- */
- public abstract List<Object> getListProperty(Vertex v, String name);
-
- /**
- * Gets the graph.
- *
- * @return the graph
- */
- private JanusGraph getGraph() {
- return singleton.getTxGraph(this.connectionType);
- }
-
- /**
- * Gets the count.
- *
- * @return the count
- */
- public AtomicInteger getCount() {
- return singleton.getCount();
- }
-
-
- /**
- * Gets the query engine.
- *
- * @return the query engine
- */
- public QueryEngine getQueryEngine() {
- QueryEngine engine = null;
- if (style.equals(QueryStyle.GREMLIN_TRAVERSAL)) {
- //this.queryEngine = new GremlinQueryEngine(this);
- } else if (style.equals(QueryStyle.GREMLIN_UNIQUE)) {
- //this.queryEngine = new GremlinQueryEngine(this);
- } else if (style.equals(QueryStyle.GREMLINPIPELINE_TRAVERSAL)) {
- //this.queryEngine = new GremlinPipelineQueryEngine(this);
- } else if (style.equals(QueryStyle.TRAVERSAL) || style.equals(QueryStyle.TRAVERSAL_URI)) {
-
- return new GraphTraversalQueryEngine(this.asAdmin().getTraversalSource());
-
- } else {
- throw new IllegalArgumentException("Query Engine type not recognized");
- }
-
- return engine;
- }
-
- /**
- * Gets the query builder.
- *
- * @return the query builder
- */
- public QueryBuilder<Vertex> getQueryBuilder() {
- return getQueryBuilder(this.loader);
- }
-
- public QueryBuilder<Vertex> getQueryBuilder(QueryStyle style) {
- return getQueryBuilder(style, this.loader);
- }
-
- public QueryBuilder<Vertex> getQueryBuilder(Loader loader) {
- return getQueryBuilder(this.style, loader);
- }
-
- public QueryBuilder<Vertex> getQueryBuilder(QueryStyle style, Loader loader) {
- if (style.equals(QueryStyle.GREMLIN_TRAVERSAL)) {
- return new GremlinTraversal<>(loader, this.asAdmin().getTraversalSource());
- } else if (style.equals(QueryStyle.GREMLIN_UNIQUE)) {
- return new GremlinUnique<>(loader, this.asAdmin().getTraversalSource());
- } else if (style.equals(QueryStyle.GREMLINPIPELINE_TRAVERSAL)) {
- //return new GremlinPipelineTraversal(loader);
- } else if (style.equals(QueryStyle.TRAVERSAL)) {
- return new TraversalQuery<>(loader, this.asAdmin().getTraversalSource());
- } else if (style.equals(QueryStyle.TRAVERSAL_URI)) {
- return new TraversalURIOptimizedQuery<>(loader, this.asAdmin().getTraversalSource());
- } else {
- throw new IllegalArgumentException("Query Builder type not recognized");
- }
- return queryBuilder;
- }
- /**
- * Gets the query builder.
- *
- * @param start the start
- * @return the query builder
- */
- public QueryBuilder<Vertex> getQueryBuilder(Vertex start) {
- return getQueryBuilder(this.loader, start);
- }
-
- public QueryBuilder<Vertex> getQueryBuilder(Loader loader, Vertex start) {
- return getQueryBuilder(this.style, loader, start);
- }
-
- public QueryBuilder<Vertex> getQueryBuilder(QueryStyle style, Loader loader, Vertex start) {
- if (style.equals(QueryStyle.GREMLIN_TRAVERSAL)) {
- return new GremlinTraversal<>(loader, this.asAdmin().getTraversalSource(), start);
- } else if (style.equals(QueryStyle.GREMLIN_UNIQUE)) {
- return new GremlinUnique<>(loader, this.asAdmin().getTraversalSource(), start);
- } else if (style.equals(QueryStyle.GREMLINPIPELINE_TRAVERSAL)) {
- //return new GremlinPipelineTraversal(loader,start);
- } else if (style.equals(QueryStyle.TRAVERSAL)) {
- return new TraversalQuery<>(loader, this.asAdmin().getTraversalSource(), start);
- } else if (style.equals(QueryStyle.TRAVERSAL_URI)) {
- return new TraversalURIOptimizedQuery<>(loader, this.asAdmin().getTraversalSource(), start);
- } else {
- throw new IllegalArgumentException("Query Builder type not recognized");
- }
- return queryBuilder;
- }
- public Graph startTransaction() {
- if (this.tx() == null) {
- this.currentTx = this.getGraph().newTransaction();
- this.currentTraversal = this.tx().traversal();
- this.readOnlyTraversal = this.tx().traversal(GraphTraversalSource.build().with(ReadOnlyStrategy.instance()));
- }
- return currentTx;
- }
-
- public void rollback() {
- if (this.tx() != null) {
- this.tx().tx().rollback();
- this.currentTx = null;
- this.currentTraversal = null;
- this.readOnlyTraversal = null;
- }
- }
- public void commit() {
- if (this.tx() != null) {
- this.tx().tx().commit();
- this.currentTx = null;
- this.currentTraversal = null;
- this.readOnlyTraversal = null;
- }
- }
-
- public Graph tx() {
- return this.currentTx;
- }
-
- public Admin asAdmin() {
- return admin;
- }
-
- public class Admin {
-
- public GraphTraversalSource getTraversalSource() {
- return currentTraversal;
- }
- public GraphTraversalSource getReadOnlyTraversalSource() {
- return readOnlyTraversal;
- }
-
- public JanusGraphManagement getManagementSystem() {
- return getGraph().openManagement();
- }
- }
+
+ protected GraphSingleton singleton = null;
+ protected QueryEngine queryEngine = null;
+ protected QueryBuilder<Vertex> queryBuilder = null;
+ protected QueryStyle style = null;
+ protected final DBConnectionType connectionType;
+ protected final Loader loader;
+ protected Graph currentTx = null;
+ protected GraphTraversalSource currentTraversal = null;
+ protected GraphTraversalSource readOnlyTraversal = null;
+ private final Admin admin;
+
+ /**
+ * Instantiates a new transactional graph engine.
+ *
+ * @param style the style
+ * @param loader the loader
+ */
+ public TransactionalGraphEngine(QueryStyle style, Loader loader, DBConnectionType connectionType,
+ GraphSingleton singleton) {
+ this.loader = loader;
+ this.style = style;
+ this.singleton = singleton;
+ this.connectionType = connectionType;
+ admin = new Admin();
+ }
+
+ public TransactionalGraphEngine(QueryStyle style, Loader loader) {
+ this.loader = loader;
+ this.style = style;
+ this.connectionType = DBConnectionType.REALTIME;
+ admin = new Admin();
+
+ }
+
+ /**
+ * Sets the list property.
+ *
+ * @param v the v
+ * @param name the name
+ * @param obj the obj
+ * @return true, if successful
+ */
+ public abstract boolean setListProperty(Vertex v, String name, List<?> obj);
+
+ /**
+ * Gets the list property.
+ *
+ * @param v the v
+ * @param name the name
+ * @return the list property
+ */
+ public abstract List<Object> getListProperty(Vertex v, String name);
+
+ /**
+ * Gets the graph.
+ *
+ * @return the graph
+ */
+ private JanusGraph getGraph() {
+ return singleton.getTxGraph(this.connectionType);
+ }
+
+ /**
+ * Gets the count.
+ *
+ * @return the count
+ */
+ public AtomicInteger getCount() {
+ return singleton.getCount();
+ }
+
+ /**
+ * Gets the query engine.
+ *
+ * @return the query engine
+ */
+ public QueryEngine getQueryEngine() {
+ QueryEngine engine = null;
+ if (style.equals(QueryStyle.GREMLIN_TRAVERSAL)) {
+ // this.queryEngine = new GremlinQueryEngine(this);
+ } else if (style.equals(QueryStyle.GREMLIN_UNIQUE)) {
+ // this.queryEngine = new GremlinQueryEngine(this);
+ } else if (style.equals(QueryStyle.GREMLINPIPELINE_TRAVERSAL)) {
+ // this.queryEngine = new GremlinPipelineQueryEngine(this);
+ } else if (style.equals(QueryStyle.TRAVERSAL) || style.equals(QueryStyle.TRAVERSAL_URI)) {
+
+ return new GraphTraversalQueryEngine(this.asAdmin().getTraversalSource());
+
+ } else {
+ throw new IllegalArgumentException("Query Engine type not recognized");
+ }
+
+ return engine;
+ }
+
+ /**
+ * Gets the query builder.
+ *
+ * @return the query builder
+ */
+ public QueryBuilder<Vertex> getQueryBuilder() {
+ return getQueryBuilder(this.loader);
+ }
+
+ public QueryBuilder<Vertex> getQueryBuilder(QueryStyle style) {
+ return getQueryBuilder(style, this.loader);
+ }
+
+ public QueryBuilder<Vertex> getQueryBuilder(Loader loader) {
+ return getQueryBuilder(this.style, loader);
+ }
+
+ public QueryBuilder<Vertex> getQueryBuilder(QueryStyle style, Loader loader) {
+ if (style.equals(QueryStyle.GREMLIN_TRAVERSAL)) {
+ return new GremlinTraversal<>(loader, this.asAdmin().getTraversalSource());
+ } else if (style.equals(QueryStyle.GREMLIN_UNIQUE)) {
+ return new GremlinUnique<>(loader, this.asAdmin().getTraversalSource());
+ } else if (style.equals(QueryStyle.GREMLINPIPELINE_TRAVERSAL)) {
+ // return new GremlinPipelineTraversal(loader);
+ } else if (style.equals(QueryStyle.TRAVERSAL)) {
+ return new TraversalQuery<>(loader, this.asAdmin().getTraversalSource());
+ } else if (style.equals(QueryStyle.TRAVERSAL_URI)) {
+ return new TraversalURIOptimizedQuery<>(loader, this.asAdmin().getTraversalSource());
+ } else {
+ throw new IllegalArgumentException("Query Builder type not recognized");
+ }
+ return queryBuilder;
+ }
+
+ /**
+ * Gets the query builder.
+ *
+ * @param start the start
+ * @return the query builder
+ */
+ public QueryBuilder<Vertex> getQueryBuilder(Vertex start) {
+ return getQueryBuilder(this.loader, start);
+ }
+
+ public QueryBuilder<Vertex> getQueryBuilder(Loader loader, Vertex start) {
+ return getQueryBuilder(this.style, loader, start);
+ }
+
+ public QueryBuilder<Vertex> getQueryBuilder(QueryStyle style, Loader loader, Vertex start) {
+ if (style.equals(QueryStyle.GREMLIN_TRAVERSAL)) {
+ return new GremlinTraversal<>(loader, this.asAdmin().getTraversalSource(), start);
+ } else if (style.equals(QueryStyle.GREMLIN_UNIQUE)) {
+ return new GremlinUnique<>(loader, this.asAdmin().getTraversalSource(), start);
+ } else if (style.equals(QueryStyle.GREMLINPIPELINE_TRAVERSAL)) {
+ // return new GremlinPipelineTraversal(loader,start);
+ } else if (style.equals(QueryStyle.TRAVERSAL)) {
+ return new TraversalQuery<>(loader, this.asAdmin().getTraversalSource(), start);
+ } else if (style.equals(QueryStyle.TRAVERSAL_URI)) {
+ return new TraversalURIOptimizedQuery<>(loader, this.asAdmin().getTraversalSource(), start);
+ } else {
+ throw new IllegalArgumentException("Query Builder type not recognized");
+ }
+ return queryBuilder;
+ }
+
+ public Graph startTransaction() {
+ if (this.tx() == null) {
+ this.currentTx = this.getGraph().newTransaction();
+ this.currentTraversal = this.tx().traversal();
+ this.readOnlyTraversal =
+ this.tx().traversal(GraphTraversalSource.build().with(ReadOnlyStrategy.instance()));
+ }
+ return currentTx;
+ }
+
+ public void rollback() {
+ if (this.tx() != null) {
+ this.tx().tx().rollback();
+ this.currentTx = null;
+ this.currentTraversal = null;
+ this.readOnlyTraversal = null;
+ }
+ }
+
+ public void commit() {
+ if (this.tx() != null) {
+ this.tx().tx().commit();
+ this.currentTx = null;
+ this.currentTraversal = null;
+ this.readOnlyTraversal = null;
+ }
+ }
+
+ public Graph tx() {
+ return this.currentTx;
+ }
+
+ public Admin asAdmin() {
+ return admin;
+ }
+
+ public class Admin {
+
+ public GraphTraversalSource getTraversalSource() {
+ return currentTraversal;
+ }
+
+ public GraphTraversalSource getReadOnlyTraversalSource() {
+ return readOnlyTraversal;
+ }
+
+ public JanusGraphManagement getManagementSystem() {
+ return getGraph().openManagement();
+ }
+ }
}
Code Review / aai / aai-common.git / blobdiff