Examples of org.teiid.common.buffer.BufferManager

org.teiid.common.buffer.BufferManager
The buffer manager controls how memory is used and how data flows through the system. It uses {@link StorageManager storage managers}to retrieve data, store data, and transfer data. The buffer manager has algorithms that tell it when and how to store data. The buffer manager should also be aware of memory management issues.

    tb.addTuple(Arrays.asList(9));
    tb.addTuple(Arrays.asList(10));
    
    tb.close();
    
    BufferManager bm = fbs.getBufferManager();
    CachedResults results = new CachedResults();
    ProcessorPlan plan = new FakeProcessorPlan(0);
    CommandContext cc = new CommandContext();
    Table t = RealMetadataFactory.exampleBQT().getGroupID("bqt1.smalla");
    cc.accessedDataObject(t);

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    tempStore = new TempTableStore("1"); //$NON-NLS-1$
    metadata = new TempMetadataAdapter(FakeMetadataFactory.example1Cached(), tempStore.getMetadataStore());
    metadata.setSession(true);
    FakeDataManager fdm = new FakeDataManager();
      TestProcessor.sampleData1(fdm);
      BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
      SessionAwareCache<CachedResults> cache = new SessionAwareCache<CachedResults>();
      cache.setBufferManager(bm);
      Executor executor = new Executor() {
      @Override
      public void execute(Runnable command) {

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    }
    
  // ################################## ACTUAL TESTS ################################
  
  @Test public void test1() throws Exception {
        BufferManager mgr = BufferManagerFactory.getStandaloneBufferManager();


        // Set up
    GroupingNode node = new GroupingNode(1);
    List outputElements = new ArrayList();
    ElementSymbol col1 = new ElementSymbol("col1"); //$NON-NLS-1$

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        SortingFilter dup = (SortingFilter)countDist;
        assertEquals(DataTypeManager.DefaultDataClasses.INTEGER, ((ElementSymbol)dup.getElements().get(0)).getType());
  }


    @Test public void test2() throws Exception {
        BufferManager mgr = BufferManagerFactory.getStandaloneBufferManager();


        GroupingNode node = getExampleGroupingNode();         
        CommandContext context = new CommandContext("pid", "test", null, null, 1);               //$NON-NLS-1$ //$NON-NLS-2$
        
        List[] expected = new List[] {

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        helpProcess(mgr, node, context, expected, null);
    }
    
    @Test public void testDefect5769() throws Exception {
        BufferManager mgr = BufferManagerFactory.getStandaloneBufferManager();


        ElementSymbol bigDecimal = new ElementSymbol("value"); //$NON-NLS-1$
        bigDecimal.setType(DataTypeManager.DefaultDataClasses.BIG_DECIMAL);        


        // Set up

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        FakeTupleSource dataSource = new FakeTupleSource(symbols, data);            
        helpProcess(mgr, node, context, expected, dataSource, null);
    }


    @Test public void testdefect9842() throws Exception {
        BufferManager mgr = BufferManagerFactory.getStandaloneBufferManager();


        ElementSymbol col1 = new ElementSymbol("col1"); //$NON-NLS-1$
        col1.setType(Integer.class);
        ElementSymbol bigDecimal = new ElementSymbol("value"); //$NON-NLS-1$
        bigDecimal.setType(DataTypeManager.DefaultDataClasses.BIG_DECIMAL);

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        helpProcess(mgr, node, context, expected, dataMgr);
    }
    
    public void helpTestEmptyGroup(boolean groupBy) throws Exception {
        BufferManager mgr = BufferManagerFactory.getStandaloneBufferManager();


        ElementSymbol col1 = new ElementSymbol("col1"); //$NON-NLS-1$
        col1.setType(Integer.class);
        ElementSymbol bigDecimal = new ElementSymbol("value"); //$NON-NLS-1$
        bigDecimal.setType(DataTypeManager.DefaultDataClasses.BIG_DECIMAL);

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    @Test public void testLookupFunctionMultipleBatches() throws Exception {
        helpTestLookupFunctionInAggregate(3);
    }
    
    @Test public void testDupSort() throws Exception {
        BufferManager mgr = BufferManagerFactory.getStandaloneBufferManager();


        GroupingNode node = getExampleGroupingNode();     
        node.setRemoveDuplicates(true);
        CommandContext context = new CommandContext("pid", "test", null, null,  1);               //$NON-NLS-1$ //$NON-NLS-2$

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        node.setMode(mode);
        node.setModelName("myModel"); //$NON-NLS-1$
        
        CommandContext context = new CommandContext();
        context.setProcessorID("processorID"); //$NON-NLS-1$
        BufferManager bm = NodeTestUtil.getTestBufferManager(tupleBatchSize, tupleBatchSize);
        ProcessorDataManager dataManager = new FakePDM(tupleBatchSize);
        
        child.initialize(context, bm, dataManager);
        node.initialize(context, bm, dataManager);
        node.open();

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    hdm = new HardcodedDataManager();
    hdm.addData("SELECT matsrc.x FROM matsrc", new List[] {Arrays.asList((String)null), Arrays.asList("one"), Arrays.asList("two"), Arrays.asList("three")});
    hdm.addData("SELECT mattable.info.e1, mattable.info.e2 FROM mattable.info", new List[] {Arrays.asList("a", 1), Arrays.asList("a", 2)});
    hdm.addData("SELECT mattable.info.e2, mattable.info.e1 FROM mattable.info", new List[] {Arrays.asList(1, "a"), Arrays.asList(2, "a")});
    
      BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
      SessionAwareCache<CachedResults> cache = new SessionAwareCache<CachedResults>();
      cache.setBufferManager(bm);
      Executor executor = new Executor() {
      @Override
      public void execute(Runnable command) {

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org.teiid.dqp.internal.process.TestCachedResults

org.teiid.dqp.service.buffer.TestLocalBufferService

org.teiid.query.processor.relational.TestAccessNode

org.teiid.query.processor.relational.TestDuplicateFilter

org.teiid.query.processor.relational.TestGroupingNode

org.teiid.query.processor.relational.TestJoinNode

org.teiid.query.processor.relational.TestProjectIntoNode

org.teiid.query.processor.relational.TestProjectNode

org.teiid.query.processor.relational.TestSelectNode

org.teiid.query.processor.relational.TestSortNode

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