Examples of com.hp.hpl.jena.util.MonitorModel.snapshot()

com.hp.hpl.jena.util.MonitorModel.snapshot()
Compute the differences between the current monitored graph and the last snapshot. The changes will also be forwarded to any listeners. Then take a new snapshot. @param additions a place in which the set of newly added statements should be noted, can be null @param deletions a place in which the set of newly deleted statements should be noted, can be null

        base.add(s3);
        
        // Test changes from empty
        List<Statement> additions = new ArrayList<>();
        List<Statement> deletions = new ArrayList<>();
        monitor.snapshot(additions, deletions);
        TestUtil.assertIteratorValues(this, additions.iterator(), new Object[] {s1, s2, s3});
        TestUtil.assertIteratorValues(this, deletions.iterator(), new Object[] {});
        listener.assertHas(new Object[] {"addList", additions, "removeList", deletions});
        listener.clear();

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        base.remove(s1);
        base.remove(s2);
        
        additions.clear();
        deletions.clear();
        monitor.snapshot(additions, deletions);
        TestUtil.assertIteratorValues(this, additions.iterator(), new Object[] {s4, s5});
        TestUtil.assertIteratorValues(this, deletions.iterator(), new Object[] {s1, s2});
        TestUtil.assertIteratorValues(this, monitor.listStatements(), new Object[] {s3, s4, s5});
        
        listener.assertHas(new Object[] {"addList", additions, "removeList", deletions});

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        base.add(s3);
        
        // Test changes from empty
        List<Statement> additions = new ArrayList<Statement>();
        List<Statement> deletions = new ArrayList<Statement>();
        monitor.snapshot(additions, deletions);
        TestUtil.assertIteratorValues(this, additions.iterator(), new Object[] {s1, s2, s3});
        TestUtil.assertIteratorValues(this, deletions.iterator(), new Object[] {});
        listener.assertHas(new Object[] {"addList", additions, "removeList", deletions});
        listener.clear();

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        base.remove(s1);
        base.remove(s2);
        
        additions.clear();
        deletions.clear();
        monitor.snapshot(additions, deletions);
        TestUtil.assertIteratorValues(this, additions.iterator(), new Object[] {s4, s5});
        TestUtil.assertIteratorValues(this, deletions.iterator(), new Object[] {s1, s2});
        TestUtil.assertIteratorValues(this, monitor.listStatements(), new Object[] {s3, s4, s5});
        
        listener.assertHas(new Object[] {"addList", additions, "removeList", deletions});

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        base.add(s3);
        
        // Test changes from empty
        List<Statement> additions = new ArrayList<Statement>();
        List<Statement> deletions = new ArrayList<Statement>();
        monitor.snapshot(additions, deletions);
        TestUtil.assertIteratorValues(this, additions.iterator(), new Object[] {s1, s2, s3});
        TestUtil.assertIteratorValues(this, deletions.iterator(), new Object[] {});
        listener.assertHas(new Object[] {"addList", additions, "removeList", deletions});
        listener.clear();

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        base.remove(s1);
        base.remove(s2);
        
        additions.clear();
        deletions.clear();
        monitor.snapshot(additions, deletions);
        TestUtil.assertIteratorValues(this, additions.iterator(), new Object[] {s4, s5});
        TestUtil.assertIteratorValues(this, deletions.iterator(), new Object[] {s1, s2});
        TestUtil.assertIteratorValues(this, monitor.listStatements(), new Object[] {s3, s4, s5});
        
        listener.assertHas(new Object[] {"addList", additions, "removeList", deletions});

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