/**
* Create the graph used to hold the deductions. Can be overridden by subclasses that need special
* purpose graph implementations here. Assumes the graph underlying fdeductions and associated
* SafeGraph wrapper can be reused if present thus enabling preservation of listeners.
*/
protected Graph createDeductionsGraph() {
if (fdeductions != null) {
Graph dg = fdeductions.getGraph();
if (dg != null) {
// Reuse the old graph in order to preserve any listeners
safeDeductions.clear();
return dg;
}
}
Graph dg = Factory.createGraphMem();
safeDeductions = new SafeGraph(dg);
return dg;
}
/**
* Create the graph used to hold the deductions. Can be overridden by subclasses that need special
* purpose graph implementations here. Assumes the graph underlying fdeductions and associated
* SafeGraph wrapper can be reused if present thus enabling preservation of listeners.
*/
protected Graph createDeductionsGraph() {
if (fdeductions != null) {
Graph dg = fdeductions.getGraph();
if (dg != null) {
// Reuse the old graph in order to preserve any listeners
safeDeductions.getBulkUpdateHandler().removeAll();
return dg;
}
}
Graph dg = Factory.createGraphMem(style);
safeDeductions = new SafeGraph(dg);
return dg;
}
public static Graph readGraph(String uri, int limit) {
Graph g = Factory.createGraphMem();
readUtil(g, uri, limit);
return g;
}
public static Model readModel(String uri, int limit) {
Graph g = Factory.createGraphMem();
readUtil(g, uri, limit);
return ModelFactory.createModelForGraph(g);
}
/** Create a graph - always the Jena default graph type */
public static Graph createJenaDefaultGraph() {
return Factory.createDefaultGraph();
}
/**
* Create a graph that is a Jena memory graph
*
* @see #createDefaultGraph
*/
public static Graph createGraphMem() {
return Factory.createGraphMem();
}