Hallo,
im getting a warning for each vertex typ i want to create:
WARNING: Committing the active transaction to create vertex type
'american_football' as subclass of 'V'. To avoid this behavior do it
outside the transaction
My code looks like that at the moment:
public class GraphOperationsDAO extends GraphOperations {
private long statementCounter = 0;
private long statementCounterKum = 0;
private String pathToOrientDB = null;
private OrientGraph graph = null;
public GraphOperationsDAO(String pathToOrientDB) {
this.pathToOrientDB = pathToOrientDB;
}
@Override
public void openGraph() {
this.graph = new OrientGraph(this.pathToOrientDB, "admin", "admin");
}
@Override
public void commitGraph() {
if(this.graph != null) {
this.graph.commit();
}
}
@Override
public void rollbackGraph() {
if(this.graph != null) {
this.graph.rollback();
}
}
@Override
public void closeGraph() {
if(this.graph != null) {
this.graph.commit();
this.graph.shutdown();
}
}
@Override
public void createVertexClass(String name, String parent) {
this.graph.createVertexType(name, parent);
this.inkrementStatementCounter();
}
@Override
public void createVertex(String id, String className) {
Vertex newVertex = this.graph.addVertex("class:" + className);
newVertex.setProperty("ID", id);
this.inkrementStatementCounter();
}
@Override
public void createEdgeClass(String name, String parent) {
this.graph.createEdgeType(name, parent);
this.inkrementStatementCounter();
}
@Override
public void createEdge(String edgeName, String outID, String outClass,
String inID, String inClass, String property) {
Vertex outVertex = null;
Vertex inVertex = null;
Edge edge = null;
for(Vertex vertex : this.graph.getVerticesOfClass(outClass)) {
if(vertex.getProperty("ID").equals(outID)) {
outVertex = vertex;
}
}
for(Vertex vertex : this.graph.getVerticesOfClass(inClass)) {
if(vertex.getProperty("ID").equals(inID)) {
inVertex = vertex;
}
}
edge = this.graph.addEdge(null, outVertex, inVertex, edgeName);
if(property != null) {
if(DataType.isInteger(property)) {
edge.setProperty("value", Integer.valueOf(property));
} else if(DataType.isDouble(property)) {
edge.setProperty("value", Double.valueOf(property));
} else if(DataType.isBoolean(property)) {
edge.setProperty("value", Boolean.valueOf(property));
} else if(DataType.isDate(property)) {
edge.setProperty("value", Date.valueOf(property));
} else {
edge.setProperty("value", property);
}
}
this.inkrementStatementCounter();
}
private void inkrementStatementCounter() {
if(this.statementCounter == 1000) {
this.commitGraph();
this.statementCounter = 0;
System.out.println("Parsed Lines: " + this.statementCounterKum);
}
this.statementCounter++;
this.statementCounterKum++;
}
}
Can i just ignore that warning or do i have to change something? How can i
create my vertex types outside of the transaction?
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