Examples of com.tinkerpop.blueprints.util.wrappers.event.EventGraph

Package com.tinkerpop.blueprints.util.wrappers.event

Examples of com.tinkerpop.blueprints.util.wrappers.event.EventGraph

com.tinkerpop.blueprints.util.wrappers.event.EventGraph
An EventGraph is a wrapper to existing Graph implementations and provides for graph events to be raised to one or more listeners on changes to the Graph. Notifications to the listeners occur for the following events: new vertex/edge, vertex/edge property changed, vertex/edge property removed, vertex/edge removed. The limiting factor to events being raised is related to out-of-process functions changing graph elements. To gather events from EventGraph, simply provide an implementation of the {@link GraphChangedListener} tothe EventGraph by utilizing the addListener method. EventGraph allows the addition of multiple GraphChangedListener implementations. Each listener will be notified in the order that it was added. @author Stephen Mallette

    }


    @Test
    public void unwrapGraphEventWrapping() {
        Graph tg = TinkerGraphFactory.createTinkerGraph();
        Graph g = new EventGraph(tg);
        Graph unwrapped = RexsterApplicationGraph.unwrapGraph(g);
        Assert.assertEquals(tg, unwrapped);
    }

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    }


    @Test
    public void unwrapGraphReadonlyEventWrapping() {
        Graph tg = TinkerGraphFactory.createTinkerGraph();
        Graph eg = new EventGraph(tg);
        Graph g = new ReadOnlyGraph(eg);
        Graph unwrapped = RexsterApplicationGraph.unwrapGraph(g);
        Assert.assertEquals(tg, unwrapped);
    }

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Related Classes of com.tinkerpop.blueprints.util.wrappers.event.EventGraph

com.tinkerpop.blueprints.Edge

com.tinkerpop.blueprints.util.wrappers.event.listener.EdgeAddedEvent

com.tinkerpop.blueprints.util.wrappers.event.listener.EdgeRemovedEvent

com.tinkerpop.blueprints.util.wrappers.event.listener.VertexAddedEvent

com.tinkerpop.blueprints.util.wrappers.event.listener.VertexRemovedEvent

com.tinkerpop.blueprints.util.wrappers.WrappedGraphQuery

com.tinkerpop.blueprints.Vertex

com.tinkerpop.rexster.RexsterApplicationGraphTest

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