Java Code Examples for com.tinkerpop.blueprints.impls.orient.OrientGraph#removeEdge()

protected void upVoteProduct(Map<String, Object> data) {
    OrientGraph graph = ServiceLocator.getInstance().getGraph();
    try {
        graph.begin();
        OrientVertex updateUser = (OrientVertex) graph.getVertexByKey("User.userId", data.remove("updateUserId"));
        OrientVertex product = (OrientVertex) graph.getVertexByKey("Product.entityId", data.get("entityId"));
        if (product != null && updateUser != null) {
            // remove DownVote edge if there is.
            for (Edge edge : updateUser.getEdges(product, Direction.OUT, "DownVote")) {
                if (edge.getVertex(Direction.IN).equals(product)) graph.removeEdge(edge);
            }
            updateUser.addEdge("UpVote", product);
        }
        graph.commit();
    } catch (Exception e) {
        logger.error("Exception:", e);
        graph.rollback();
    } finally {
        graph.shutdown();
    }
}
 

protected void downVoteProduct(Map<String, Object> data) {
    OrientGraph graph = ServiceLocator.getInstance().getGraph();
    try {
        graph.begin();
        OrientVertex updateUser = (OrientVertex) graph.getVertexByKey("User.userId", data.remove("updateUserId"));
        OrientVertex product = (OrientVertex) graph.getVertexByKey("Product.entityId", data.get("entityId"));
        if (product != null && updateUser != null) {
            // remove UpVote edge if there is.
            for (Edge edge : updateUser.getEdges(product, Direction.OUT, "UpVote")) {
                if (edge.getVertex(Direction.IN).equals(product)) graph.removeEdge(edge);
            }
            updateUser.addEdge("DownVote", product);
        }
        graph.commit();
    } catch (Exception e) {
        logger.error("Exception:", e);
        graph.rollback();
    } finally {
        graph.shutdown();
    }
}
 

protected void upVotePost(Map<String, Object> data) {
    OrientGraph graph = ServiceLocator.getInstance().getGraph();
    try {
        graph.begin();
        OrientVertex updateUser = (OrientVertex) graph.getVertexByKey("User.userId", data.remove("updateUserId"));
        OrientVertex post = (OrientVertex) graph.getVertexByKey("Post.entityId", data.get("entityId"));
        if (post != null && updateUser != null) {
            // remove DownVote edge if there is.
            for (Edge edge : updateUser.getEdges(post, Direction.OUT, "DownVote")) {
                if (edge.getVertex(Direction.IN).equals(post)) graph.removeEdge(edge);
            }
            updateUser.addEdge("UpVote", post);
        }
        graph.commit();
    } catch (Exception e) {
        logger.error("Exception:", e);
        graph.rollback();
    } finally {
        graph.shutdown();
    }
}
 

protected void downVotePost(Map<String, Object> data) {
    OrientGraph graph = ServiceLocator.getInstance().getGraph();
    try {
        graph.begin();
        OrientVertex updateUser = (OrientVertex) graph.getVertexByKey("User.userId", data.remove("updateUserId"));
        OrientVertex post = (OrientVertex) graph.getVertexByKey("Post.entityId", data.get("entityId"));
        if (post != null && updateUser != null) {
            // remove UpVote edge if there is.
            for (Edge edge : updateUser.getEdges(post, Direction.OUT, "UpVote")) {
                if (edge.getVertex(Direction.IN).equals(post)) graph.removeEdge(edge);
            }
            updateUser.addEdge("DownVote", post);
        }
        graph.commit();
    } catch (Exception e) {
        logger.error("Exception:", e);
        graph.rollback();
    } finally {
        graph.shutdown();
    }
}
 

protected void upVoteUser(Map<String, Object> data) {
    OrientGraph graph = ServiceLocator.getInstance().getGraph();
    try {
        graph.begin();
        OrientVertex user = (OrientVertex)graph.getVertexByKey("User.userId", data.get("userId"));
        OrientVertex voteUser = (OrientVertex)graph.getVertexByKey("User.userId", data.get("voteUserId"));
        if(user != null && voteUser != null) {
            for (Edge edge : voteUser.getEdges(user, Direction.OUT, "DownVote")) {
                if(edge.getVertex(Direction.IN).equals(user)) graph.removeEdge(edge);
            }
            voteUser.addEdge("UpVote", user);
        }
        graph.commit();
    } catch (Exception e) {
        logger.error("Exception:", e);
        graph.rollback();
        throw e;
    } finally {
        graph.shutdown();
    }
}
 

protected void downVoteUser(Map<String, Object> data) {
    OrientGraph graph = ServiceLocator.getInstance().getGraph();
    try {
        graph.begin();
        OrientVertex user = (OrientVertex)graph.getVertexByKey("User.userId", data.get("userId"));
        OrientVertex voteUser = (OrientVertex)graph.getVertexByKey("User.userId", data.get("voteUserId"));
        if(user != null && voteUser != null) {
            for (Edge edge : voteUser.getEdges(user, Direction.OUT, "UpVote")) {
                if(edge.getVertex(Direction.IN).equals(user)) graph.removeEdge(edge);
            }
            voteUser.addEdge("DownVote", user);
        }
        graph.commit();
    } catch (Exception e) {
        logger.error("Exception:", e);
        graph.rollback();
        throw e;
    } finally {
        graph.shutdown();
    }
}
 

protected void downBranchDb(String branchType, Map<String, Object> data) throws Exception {
    String className = branchType.substring(0, 1).toUpperCase() + branchType.substring(1);
    String index = className + ".categoryId";
    OrientGraph graph = ServiceLocator.getInstance().getGraph();
    try{
        graph.begin();
        OrientVertex updateUser = (OrientVertex)graph.getVertexByKey("User.userId", data.remove("updateUserId"));
        OrientVertex branch = (OrientVertex)graph.getVertexByKey(index, data.get("categoryId"));
        if(branch != null && updateUser != null) {
            // remove UpVote edge if there is.
            for (Edge edge : updateUser.getEdges(branch, Direction.OUT, "UpVote")) {
                if(edge.getVertex(Direction.IN).equals(branch)) graph.removeEdge(edge);
            }
            updateUser.addEdge("DownVote", branch);
        }
        graph.commit();
    } catch (Exception e) {
        logger.error("Exception:", e);
        graph.rollback();
    } finally {
        graph.shutdown();
    }
}
 

protected void upBranchDb(String branchType, Map<String, Object> data) throws Exception {
    String className = branchType.substring(0, 1).toUpperCase() + branchType.substring(1);
    String index = className + ".categoryId";
    OrientGraph graph = ServiceLocator.getInstance().getGraph();
    try{
        graph.begin();
        OrientVertex updateUser = (OrientVertex)graph.getVertexByKey("User.userId", data.remove("updateUserId"));
        OrientVertex branch = (OrientVertex)graph.getVertexByKey(index, data.get("categoryId"));
        if(branch != null && updateUser != null) {
            // remove DownVote edge if there is.
            for (Edge edge : updateUser.getEdges(branch, Direction.OUT, "DownVote")) {
                if(edge.getVertex(Direction.IN).equals(branch)) graph.removeEdge(edge);
            }
            updateUser.addEdge("UpVote", branch);
        }
        graph.commit();
    } catch (Exception e) {
        logger.error("Exception:", e);
        graph.rollback();
    } finally {
        graph.shutdown();
    }
}
 

protected void delComment(Map<String, Object> data) throws Exception {
    OrientGraph graph = ServiceLocator.getInstance().getGraph();
    try{
        graph.begin();
        String commentId = (String)data.get("commentId");
        OrientVertex comment = (OrientVertex)graph.getVertexByKey("Comment.commentId", commentId);
        // remove the edge to this comment
        for (Edge edge : comment.getEdges(Direction.IN)) {
            graph.removeEdge(edge);
        }
        graph.removeVertex(comment);
        graph.commit();
    } catch (Exception e) {
        logger.error("Exception:", e);
        graph.rollback();
    } finally {
        graph.shutdown();
    }
}
 

protected void spmComment(Map<String, Object> data) throws Exception {
    OrientGraph graph = ServiceLocator.getInstance().getGraph();
    try{
        graph.begin();
        String commentId = (String)data.get("commentId");
        OrientVertex comment = (OrientVertex)graph.getVertexByKey("Comment.commentId", commentId);
        if(comment != null) {
            String userId = (String)data.get("userId");
            OrientVertex user = (OrientVertex)graph.getVertexByKey("User.userId", userId);
            if(user != null) {
                // check if this user has reported spam for this comment.
                boolean reported = false;
                for (Edge edge : user.getEdges(comment, Direction.OUT, "ReportSpam")) {
                    if(edge.getVertex(Direction.IN).equals(comment)) {
                        reported = true;
                        graph.removeEdge(edge);
                    }
                }
                if(!reported) {
                    user.addEdge("ReportSpam", comment);
                }
            }
        }
        graph.commit();
    } catch (Exception e) {
        logger.error("Exception:", e);
        graph.rollback();
    } finally {
        graph.shutdown();
    }
}
 

@Override
protected void performMultiAction(AjaxRequestTarget target, List<ODocument> objects) {
       OrientGraph tx = orientGraphProvider.get();
       for (ODocument doc : objects) {
           ORID id = doc.getIdentity();
           OrientEdge edge = tx.getEdge(id);
           tx.removeEdge(edge);
       }
       tx.commit();tx.begin();
       sendActionPerformed();
}
 

private void removeEdges(OrientGraph tx, OrientVertex vertex) {
    OrientVertex destination = tx.getVertex(documentModel.getObject().getIdentity());
    Iterable<Edge> edges = vertex.getEdges(destination, Direction.BOTH);
    for(Edge edge : edges) {
        tx.removeEdge(edge);
    }
}