Examples of VoltProcedure

org.voltdb.VoltProcedure
Wraps the stored procedure object created by the user with metadata available at runtime. This is used to call the procedure. VoltProcedure is extended by all running stored procedures. Consider this when specifying access privileges.

Examples of org.voltdb.VoltProcedure

            this.args[i] = ParameterSet.EMPTY;
            this.stmtCounters[i] = i;
            i++;
        } // FOR


        VoltProcedure volt_proc = ClassUtil.newInstance(TARGET_PROCEDURE, new Object[0], new Class<?>[0]);
        assert(volt_proc != null);
        this.executor = new MockPartitionExecutor(BASE_PARTITION, catalogContext, p_estimator);
        volt_proc.init(this.executor, catalog_proc, BackendTarget.NONE);
        
        this.planner = new BatchPlanner(this.batch, this.catalog_proc, p_estimator);
    }

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Examples of org.voltdb.VoltProcedure

        this.proc_class = p_class;


    }
    @Override
    public VoltProcedure makeObjectImpl() throws Exception {
        VoltProcedure volt_proc = null;
        try {
            if (this.has_java) {
                volt_proc = (VoltProcedure)this.proc_class.newInstance();
            } else {
                volt_proc = new VoltProcedure.StmtProcedure();
            }
            volt_proc.init(this.executor,
                           this.catalog_proc,
                           this.executor.getBackendTarget());
        } catch (Exception e) {
            LOG.error("Failed to created VoltProcedure instance for " + catalog_proc.getName() , e);
            throw e;

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Examples of org.voltdb.VoltProcedure

                // info.reduceEmitTable = annotationInfo.reduceEmitTable();
            }
        }
        assert (info != null);


        VoltProcedure procInstance = null;
        try {
            procInstance = (VoltProcedure) procClass.newInstance();
        } catch (InstantiationException e1) {
            e1.printStackTrace();
        } catch (IllegalAccessException e1) {

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Examples of org.voltdb.VoltProcedure

    
    
    protected void initializeVoltProcedures() {
        // load up all the stored procedures
        for (final Procedure catalog_proc : catalogContext.procedures) {
            VoltProcedure volt_proc = this.initializeVoltProcedure(catalog_proc);
            Queue<VoltProcedure> queue = new LinkedList<VoltProcedure>();
            queue.add(volt_proc);
            this.procedures[catalog_proc.getId()] = queue;
        } // FOR
    }

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Examples of org.voltdb.VoltProcedure

        } // FOR
    }


    @SuppressWarnings("unchecked")
    protected VoltProcedure initializeVoltProcedure(Procedure catalog_proc) {
        VoltProcedure volt_proc = null;
        
        if (catalog_proc.getHasjava()) {
            // Only try to load the Java class file for the SP if it has one
            Class<? extends VoltProcedure> p_class = null;
            final String className = catalog_proc.getClassname();
            try {
                p_class = (Class<? extends VoltProcedure>)Class.forName(className);
                volt_proc = (VoltProcedure)p_class.newInstance();
            } catch (Exception e) {
                throw new ServerFaultException("Failed to created VoltProcedure instance for " + catalog_proc.getName() , e);
            }
            
        } else {
            volt_proc = new VoltProcedure.StmtProcedure();
        }
        volt_proc.init(this, catalog_proc, this.backend_target);
        return (volt_proc);
    }

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Examples of org.voltdb.VoltProcedure

     * <B>Note:</B> You will get a new VoltProcedure for each invocation
     * @param proc_name
     * @return
     */
    protected VoltProcedure getVoltProcedure(int proc_id) {
        VoltProcedure voltProc = this.procedures[proc_id].poll();
        if (voltProc == null) {
            Procedure catalog_proc = catalogContext.getProcedureById(proc_id);
            voltProc = this.initializeVoltProcedure(catalog_proc);
        }
        return (voltProc);

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Examples of org.voltdb.VoltProcedure

        // Make sure the dependency tracker knows about us
        if (ts.hasDependencyTracker()) this.depTracker.addTransaction(ts);
        
        // Grab a VoltProcedure handle for this txn
        // Two txns can't use the same VoltProcedure at the same time.
        VoltProcedure volt_proc = this.getVoltProcedure(ts.getProcedure().getId());
        assert(volt_proc != null) : "No VoltProcedure for " + ts;
        
        if (debug.val) {
            LOG.debug(String.format("%s - Starting execution of txn on partition %d " +
                      "[txnMode=%s, mode=%s]",
                      ts, this.partitionId, before_mode, this.currentExecMode));
            if (trace.val)
                LOG.trace(String.format("Current Transaction at partition #%d\n%s",
                          this.partitionId, ts.debug()));
        }
        
        if (hstore_conf.site.txn_counters) TransactionCounter.EXECUTED.inc(ts.getProcedure());
        ClientResponseImpl cresponse = null;
        VoltProcedure previous = this.currentVoltProc;
        try {
            this.currentVoltProc = volt_proc;
            ts.markControlCodeExecuted();
            cresponse = volt_proc.call(ts, ts.getProcedureParameters().toArray()); // Blocking...
        // VoltProcedure.call() should handle any exceptions thrown by the transaction

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Examples of org.voltdb.VoltProcedure

                    args[i][ii] = VoltProcedure.getCleanParams(batch[i][ii], query_trace.getParams());
                } // FOR
            } // FOR
        }
        
        VoltProcedure volt_proc = ClassUtil.newInstance(TARGET_PROCEDURE, new Object[0], new Class<?>[0]);
        assert(volt_proc != null);
        this.executor = new MockPartitionExecutor(BASE_PARTITION, catalogContext, p_estimator);
        volt_proc.init(this.executor, catalog_proc, BackendTarget.NONE);
    }

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Examples of org.voltdb.VoltProcedure

    /**
     * testGetVoltProcedure
     */
    @Test
    public void testGetVoltProcedure() {
        VoltProcedure volt_proc0 = executor.getVoltProcedure(catalog_proc.getId());
        assertNotNull(volt_proc0);
    }

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Examples of org.voltdb.VoltProcedure

    public void testMultipleGetVoltProcedure() {
        // Invoke getVoltProcedure() multiple times and make sure that we never get back the same handle
        int count = 10;
        Set<VoltProcedure> procs = new HashSet<VoltProcedure>();
        for (int i = 0; i < count; i++) {
            VoltProcedure volt_proc = executor.getVoltProcedure(catalog_proc.getId());
            assertNotNull(volt_proc);
            assertFalse(procs.contains(volt_proc));
            procs.add(volt_proc);
        } // FOR
        assertEquals(count, procs.size());

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