public void reset() {
            addEdgeEvent.set(0);
            addVertexEvent.set(0);
            vertexRemovedEvent.set(0);
            edgePropertyChangedEvent.set(0);
            vertexPropertyChangedEvent.set(0);
            vertexPropertyPropertyChangedEvent.set(0);
            vertexPropertyPropertyRemovedEvent.set(0);
            edgePropertyRemovedEvent.set(0);
            edgeRemovedEvent.set(0);
            vertexPropertyRemovedEvent.set(0);

            order.clear();
        }
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/strategy/decoration/EventStrategyProcessTest.java