Package org.neo4j.cypher.commands

Examples of org.neo4j.cypher.commands.Query

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        CypherParser parser = new CypherParser();
        ExecutionEngine engine = new ExecutionEngine(trackingService.getGraphDb());


        //Give me all the vehicle associated with the procedures that are part of the emergency that was created by this phoneCallId
        Query query = parser.parse("start n=(calls, 'callId:" + call.getId() + "')  match (n)-[r:CREATES]->(x)-[i:INSTANTIATE]-> (w) -[u:USE]->v  return v");

        ExecutionResult result = engine.execute(query);
        Iterator<Node> n_column = result.columnAs("v");

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        Transaction tx = graphDb.beginTx();

        try {
            CypherParser parser = new CypherParser();
            ExecutionEngine engine = new ExecutionEngine(this.graphDb);
            Query query = parser.parse("start n=(calls, 'callId:" + callId + "')  return n");
            ExecutionResult result = engine.execute(query);
            Iterator<Node> n_column = result.columnAs("n");
            Node call = n_column.next();

            query = parser.parse("start n=(emergencies, 'emergencyId:" + emergencyId + "')  return n");
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        Transaction tx = graphDb.beginTx();

        try {
            CypherParser parser = new CypherParser();
            ExecutionEngine engine = new ExecutionEngine(this.graphDb);
            Query query = parser.parse("start n=(emergencies, 'emergencyId:" + emergencyId + "')  return n");
            ExecutionResult result = engine.execute(query);
            Iterator<Node> n_column = result.columnAs("n");
            Node emergency = n_column.next();

            query = parser.parse("start n=(procedures, 'procedureId:" + procedureId + "')  return n");
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    public String getProcedureAttachedToVehicle(String vehicleId) {
        Transaction tx = graphDb.beginTx();
        try {
            CypherParser parser = new CypherParser();
            ExecutionEngine engine = new ExecutionEngine(this.graphDb);
            Query query = parser.parse("start v=(vehicles, 'vehicleId:" + vehicleId + "')  match (v) <-[USE]- (w)    return w");
            ExecutionResult result = engine.execute(query);

            if (result.isEmpty()) {
                throw new IllegalStateException("No Procedure attached to the Vehicle " + vehicleId);
            }
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    public String getCallAttachedToEmergency(String emergencyId) {
        Transaction tx = graphDb.beginTx();
        try {
            CypherParser parser = new CypherParser();
            ExecutionEngine engine = new ExecutionEngine(this.graphDb);
            Query query = parser.parse("start e=(emergencies, 'emergencyId:" + emergencyId + "')  match (e) <-[CREATES]- (c)    return c");
            ExecutionResult result = engine.execute(query);

            if (result.isEmpty()) {
                throw new IllegalStateException("No Call attached to the Emergency " + emergencyId);
            }
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    public String getEmergencyAttachedToCall(String callId) {
        Transaction tx = graphDb.beginTx();
        try {
            CypherParser parser = new CypherParser();
            ExecutionEngine engine = new ExecutionEngine(this.graphDb);
            Query query = parser.parse("start c=(calls, 'callId:" + callId + "')  match (c) -[CREATES]-> (e)    return e");
            ExecutionResult result = engine.execute(query);

            if (result.isEmpty()) {
                throw new IllegalStateException("No Emergency attached to the Call " + callId);
            }
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        Transaction tx = graphDb.beginTx();

        try {
            CypherParser parser = new CypherParser();
            ExecutionEngine engine = new ExecutionEngine(this.graphDb);
            Query query = parser.parse("start n=(procedures, 'procedureId:" + procedureId + "')  return n");
            ExecutionResult result = engine.execute(query);
            Iterator<Node> n_column = result.columnAs("n");
            Node procedure = n_column.next();

            query = parser.parse("start n=(vehicles, 'vehicleId:" + vehicleId + "')  return n");
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        Transaction tx = graphDb.beginTx();

        try {
            CypherParser parser = new CypherParser();
            ExecutionEngine engine = new ExecutionEngine(this.graphDb);
            Query query = parser.parse("start n=(procedures, 'procedureId:" + parentProcedureId + "')  return n");
            ExecutionResult result = engine.execute(query);
            Iterator<Node> n_column = result.columnAs("n");
            Node parentProcedure = n_column.next();

            query = parser.parse("start n=(procedures, 'procedureId:" + childProcedureId + "')  return n");
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        Transaction tx = graphDb.beginTx();

        try {
            CypherParser parser = new CypherParser();
            ExecutionEngine engine = new ExecutionEngine(this.graphDb);
            Query query = parser.parse("start n=(emergencies, 'emergencyId:" + emergencyId + "')  return n");
            ExecutionResult result = engine.execute(query);
            Iterator<Node> n_column = result.columnAs("n");
            Node emergency = n_column.next();

            query = parser.parse("start n=(channels, 'channelId:" + channelId + "')  return n");
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        Transaction tx = graphDb.beginTx();

        try {
            CypherParser parser = new CypherParser();
            ExecutionEngine engine = new ExecutionEngine(this.graphDb);
            Query query = parser.parse("start n=(vehicles, 'vehicleId:" + vehicleId + "')  return n");
            ExecutionResult result = engine.execute(query);
            Iterator<Node> n_column = result.columnAs("n");
            Node vehicle = n_column.next();
            //Removing the node from the index
            this.vehiclesIndex.remove(vehicle);
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Related Classes of org.neo4j.cypher.commands.Query

  • com.wordpress.salaboy.context.tracking.ContextTrackingServiceImpl
  • com.wordpress.salaboy.procedures.tracking.GenericEmergencyProcedureWithTrackingTest
  • com.wordpress.salaboy.TrackingAndPersistenceTest
  • org.springframework.data.neo4j.support.query.CypherQueryEngine
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