Examples of org.teiid.query.util.CommandContext

org.teiid.query.util.CommandContext
Defines the context that a command is processing in. For example, this defines who is processing the command and why. Also, this class (or subclasses) provide a means to pass context-specific information between users of the query processor framework.

            }
        }
    }
    
    public static void helpTestProcess(ProcessorPlan procPlan, List[] expectedResults, ProcessorDataManager dataMgr, QueryMetadataInterface metadata) throws Exception {
        CommandContext context = new CommandContext("pID", null, null, null, 1); //$NON-NLS-1$
        if (!(metadata instanceof TempMetadataAdapter)) {
          metadata = new TempMetadataAdapter(metadata, new TempMetadataStore());
        }
        context.setMetadata(metadata);          
        
      TestProcessor.helpProcess(procPlan, context, dataMgr, expectedResults);
      assertNotNull("Expected processing to fail", expectedResults);
    }

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        List[] expected = new List[] {
            Arrays.asList(new Object[] { "First"}),  //$NON-NLS-1$
            Arrays.asList(new Object[] { "Second"}),  //$NON-NLS-1$
            Arrays.asList(new Object[] { "Third"}),  //$NON-NLS-1$
            Arrays.asList(new Object[] { "Fourth"})};           //$NON-NLS-1$
        CommandContext context = new CommandContext("pID", null, null, null, 1); //$NON-NLS-1$
        context.setMetadata(metadata);
        context.setProcessorBatchSize(1); //ensure that the final temp result set will not be deleted prematurely 


      TestProcessor.helpProcess(plan, context, dataMgr, expected);
    }

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      }
    }
    
    public void helpTestJoinDirect(List[] expectedResults, int batchSize, int processingBytes) throws TeiidComponentException, TeiidProcessingException {
        BufferManager mgr = NodeTestUtil.getTestBufferManager(processingBytes, batchSize);
        CommandContext context = new CommandContext("pid", "test", null, null, 1);               //$NON-NLS-1$ //$NON-NLS-2$
        
        join.addChild(leftNode);
        join.addChild(rightNode);
        
        leftNode.initialize(context, mgr, dataMgr);

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    public void helpTestProcessor(FakeProcessorPlan plan, long timeslice, List[] expectedResults) throws TeiidException {
        BufferManager bufferMgr = BufferManagerFactory.getStandaloneBufferManager();
        FakeDataManager dataManager = new FakeDataManager();


        CommandContext context = new CommandContext("pid", "group", null, null, 1); //$NON-NLS-1$ //$NON-NLS-2$
        QueryProcessor processor = new QueryProcessor(plan, context, bufferMgr, dataManager);
        BatchCollector collector = processor.createBatchCollector();
        TupleBuffer tsID = null;
        while(true) {
            try {

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        RequestMessage original = new RequestMessage();
        original.setExecutionId(1);
        original.setPartialResults(true);
        RequestID requestID = workContext.getRequestID(original.getExecutionId());
        
        context = new CommandContext();
        context.setProcessorID(requestID);
        context.setVdbName("test"); //$NON-NLS-1$
        context.setVdbVersion(1);
        context.setQueryProcessorFactory(new QueryProcessorFactoryImpl(bs.getBufferManager(), dtm, new DefaultCapabilitiesFinder(), null, metadata));
        workItem = TestDQPCoreRequestHandling.addRequest(rm, original, requestID, null, workContext);

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        Map elementMap = new HashMap();
        ElementSymbol e1 = new ElementSymbol("e1"); //$NON-NLS-1$
        elementMap.put(e1, new Integer(0));
        
        List tuple = Arrays.asList(new String[]{"a"}); //$NON-NLS-1$
        CommandContext cc = new CommandContext();
        assertEquals(expectedResult, new Evaluator(elementMap, null, cc) {
          @Override
          protected ValueIterator evaluateSubquery(
              SubqueryContainer container, List tuple)
              throws TeiidProcessingException, BlockedException,

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            for(int i=0; i<inputs.length; i++) { 
                types[i] = DataTypeManager.determineDataTypeClass(inputs[i]);   
            }        
      }
      if (context == null) {
        context = new CommandContext();
      }
        Object actualOutput = null;
        // Find function descriptor
        FunctionDescriptor descriptor = library.findFunction(fname, types);         
        if (descriptor.requiresContext()) {

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        // this does not actually fail but returns a result
        assertNotNull(helpInvokeMethod("rand", new Class<?>[] {Integer.class}, new Object[] {null}, null)); //$NON-NLS-1$
    }
    
    @Test public void testInvokeUser() throws Exception {
        CommandContext c = new CommandContext();
        c.setUserName("foodude"); //$NON-NLS-1$
        helpInvokeMethod("user", new Class<?>[] {}, new Object[] {}, c, "foodude"); //$NON-NLS-1$ //$NON-NLS-2$
    }

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        c.setUserName("foodude"); //$NON-NLS-1$
        helpInvokeMethod("user", new Class<?>[] {}, new Object[] {}, c, "foodude"); //$NON-NLS-1$ //$NON-NLS-2$
    }
    
    @Test public void testInvokeEnv() throws Exception {
        CommandContext c = new CommandContext();
        Properties props = new Properties();
        props.setProperty("env_test", "env_value"); //$NON-NLS-1$ //$NON-NLS-2$
        c.setEnvironmentProperties(props);
        helpInvokeMethod("env", new Class<?>[] {String.class}, new Object[] {"env_test"}, c, "env_value"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$        
        helpInvokeMethod("env", new Class<?>[] {String.class}, new Object[] {null}, c, null); //$NON-NLS-1$ 
    }

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        helpInvokeMethod("env", new Class<?>[] {String.class}, new Object[] {"env_test"}, c, "env_value"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$        
        helpInvokeMethod("env", new Class<?>[] {String.class}, new Object[] {null}, c, null); //$NON-NLS-1$ 
    }
    
    @Test public void testInvokeCommandPayload() throws Exception {
        CommandContext c = new CommandContext();        
        c.setCommandPayload("payload_too heavy"); //$NON-NLS-1$
        helpInvokeMethod("commandpayload", new Class<?>[] {}, new Object[] {}, c, "payload_too heavy"); //$NON-NLS-1$ //$NON-NLS-2$ 
        helpInvokeMethod("commandpayload", new Class<?>[] {String.class}, new Object[] {null}, c, null); //$NON-NLS-1$ 
        Properties props = new Properties();
        props.setProperty("payload", "payload_too heavy"); //$NON-NLS-1$ //$NON-NLS-2$
        c.setCommandPayload(props);
        helpInvokeMethod("commandpayload", new Class<?>[] {String.class}, new Object[] {"payload"}, c, "payload_too heavy"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    }

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Related Classes of org.teiid.query.util.CommandContext

org.teiid.dqp.internal.process.BaseQueryTest

org.teiid.dqp.internal.process.multisource.TestMultiSourcePlanToProcessConverter

org.teiid.dqp.internal.process.PreparedPlan

org.teiid.dqp.internal.process.QueryProcessorFactoryImpl

org.teiid.dqp.internal.process.Request

org.teiid.dqp.internal.process.SessionAwareCache.CacheID

org.teiid.dqp.internal.process.TestCachedResults

org.teiid.dqp.internal.process.TestDataTierManager

org.teiid.dqp.internal.process.TestPreparedPlanCache

org.teiid.metadata.FunctionMethod.Determinism

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