* limitations under the License.
* ============LICENSE_END=========================================================
*/
+
package org.onap.aai.dbmap;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
-
import java.util.Properties;
-import org.apache.commons.lang.exception.ExceptionUtils;
import org.apache.tinkerpop.gremlin.structure.io.IoCore;
+import org.janusgraph.core.JanusGraph;
+import org.janusgraph.core.JanusGraphFactory;
+import org.janusgraph.core.JanusGraphTransaction;
+import org.janusgraph.core.schema.JanusGraphManagement;
+import org.onap.aai.dbgen.GraphSONPartialIO;
import org.onap.aai.dbgen.SchemaGenerator;
import org.onap.aai.logging.LogFormatTools;
-
-import com.thinkaurelius.titan.core.TitanFactory;
-import com.thinkaurelius.titan.core.TitanGraph;
-import com.thinkaurelius.titan.core.TitanTransaction;
-import com.thinkaurelius.titan.core.schema.TitanManagement;
-
-import com.att.eelf.configuration.EELFLogger;
-import com.att.eelf.configuration.EELFManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
public class InMemoryGraph {
- private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(InMemoryGraph.class);
- private TitanGraph graph = null;
-
-
- public InMemoryGraph(Builder builder) throws IOException {
- /*
- * Create a In-memory graph
- */
- InputStream is = new FileInputStream(builder.propertyFile);
- try {
- graph = TitanFactory.open(builder.propertyFile);
-
- Properties graphProps = new Properties();
- graphProps.load(is);
- TitanManagement graphMgt = graph.openManagement();
- if(builder.isSchemaEnabled){
- LOGGER.info("Schema Enabled");
- SchemaGenerator.loadSchemaIntoTitan(graph, graphMgt);
+ private static final Logger LOGGER = LoggerFactory.getLogger(InMemoryGraph.class);
+ private JanusGraph graph = null;
+
+ public InMemoryGraph(Builder builder) throws IOException {
+ /*
+ * Create a In-memory graph
+ */
+ try (InputStream is = new FileInputStream(builder.propertyFile)) {
+ graph = JanusGraphFactory.open(builder.propertyFile);
+
+ Properties graphProps = new Properties();
+ graphProps.load(is);
+ JanusGraphManagement graphMgt = graph.openManagement();
+ if (builder.isSchemaEnabled) {
+ LOGGER.info("Schema Enabled");
+ SchemaGenerator.loadSchemaIntoJanusGraph(graphMgt, graphProps.getProperty("storage.backend"));
+ }
+ try (JanusGraphTransaction transaction = graph.newTransaction()) {
+ LOGGER.info("Loading snapshot");
+ if (builder.isPartialGraph) {
+ if ((builder.graphsonLocation != null) && (builder.graphsonLocation.length() > 0)) {
+ transaction.io(GraphSONPartialIO.build()).readGraph(builder.graphsonLocation);
+ } else {
+ transaction.io(GraphSONPartialIO.build()).reader().create().readGraph(builder.seqInputStream,
+ graph);
+ }
+ } else {
+ if ((builder.graphsonLocation != null) && (builder.graphsonLocation.length() > 0)) {
+ transaction.io(IoCore.graphson()).readGraph(builder.graphsonLocation);
+ } else {
+ transaction.io(IoCore.graphson()).reader().create().readGraph(builder.seqInputStream, graph);
+ }
+ }
+ transaction.commit();
}
- TitanTransaction transaction = graph.newTransaction();
- LOGGER.info("Loading snapshot");
- transaction.io(IoCore.graphson()).readGraph(builder.graphsonLocation);
- transaction.commit();
-
- } catch (Exception e) {
- // TODO : Changesysout to logger
- LOGGER.error(
- "ERROR: Could not load datasnapshot to in memory graph. \n" + LogFormatTools.getStackTop(e));
- throw new IllegalStateException("Could not load datasnapshot to in memory graph");
-
- }
- finally{
- is.close();
- }
-
- }
-
- public static class Builder {
- private String graphsonLocation = "";
- private String propertyFile = "";
- private boolean isSchemaEnabled = false;
-
- /*
- * Builder constructor doesnt do anything
- */
- public Builder() {
- //Do nothing
- }
-
- public InMemoryGraph build(String graphsonFile, String propertyFile, boolean isSchemaEnabled) throws IOException {
- this.graphsonLocation = graphsonFile;
- this.propertyFile = propertyFile;
- this.isSchemaEnabled = isSchemaEnabled;
- return new InMemoryGraph(this);
- }
- }
-
- public TitanGraph getGraph() {
- return graph;
- }
+
+ } catch (Exception e) {
+ LOGGER.error(String.format("ERROR: Could not load datasnapshot to in memory graph. %n%s",
+ LogFormatTools.getStackTop(e)));
+ throw new IllegalStateException("Could not load datasnapshot to in memory graph");
+
+ }
+
+ }
+
+ public static class Builder {
+ private String graphsonLocation = "";
+ private String propertyFile = "";
+ private boolean isSchemaEnabled = false;
+ private InputStream seqInputStream = null;
+ private boolean isPartialGraph = false;
+
+ /*
+ * Builder constructor doesnt do anything
+ */
+ public Builder() {
+ // Do nothing
+ }
+
+ public InMemoryGraph build(String graphsonFile, String propertyFile, boolean isSchemaEnabled)
+ throws IOException {
+ this.graphsonLocation = graphsonFile;
+ this.propertyFile = propertyFile;
+ this.isSchemaEnabled = isSchemaEnabled;
+ return new InMemoryGraph(this);
+ }
+
+ public InMemoryGraph build(InputStream sis, String propertyFile, boolean isSchemaEnabled) throws IOException {
+ this.graphsonLocation = null;
+ this.propertyFile = propertyFile;
+ this.isSchemaEnabled = isSchemaEnabled;
+ this.seqInputStream = sis;
+ return new InMemoryGraph(this);
+ }
+
+ public InMemoryGraph build(String graphsonFile, String propertyFile, boolean isSchemaEnabled,
+ boolean isPartialGraph) throws IOException {
+ this.graphsonLocation = graphsonFile;
+ this.propertyFile = propertyFile;
+ this.isSchemaEnabled = isSchemaEnabled;
+ this.isPartialGraph = isPartialGraph;
+ return new InMemoryGraph(this);
+ }
+
+ public InMemoryGraph build(InputStream sis, String propertyFile, boolean isSchemaEnabled,
+ boolean isPartialGraph) throws IOException {
+ this.graphsonLocation = null;
+ this.propertyFile = propertyFile;
+ this.isSchemaEnabled = isSchemaEnabled;
+ this.seqInputStream = sis;
+ this.isPartialGraph = isPartialGraph;
+ return new InMemoryGraph(this);
+ }
+ }
+
+ public JanusGraph getGraph() {
+ return graph;
+ }
}
Code Review / aai / aai-common.git / blobdiff