Package com.facebook.presto.byteCode

Examples of com.facebook.presto.byteCode.DynamicClassLoader

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    @VisibleForTesting
    public FilterAndProjectOperatorFactoryFactory internalCompileFilterAndProjectOperator(
            RowExpression filter,
            List<RowExpression> projections)
    {
        DynamicClassLoader classLoader = createClassLoader();

        // create filter and project page iterator class
        TypedOperatorClass typedOperatorClass = compileFilterAndProjectOperator(filter, projections, classLoader);

        Constructor<? extends Operator> constructor;
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    public ScanFilterAndProjectOperatorFactoryFactory internalCompileScanFilterAndProjectOperator(
            PlanNodeId sourceId,
            RowExpression filter,
            List<RowExpression> projections)
    {
        DynamicClassLoader classLoader = createClassLoader();

        // create filter and project page iterator class
        TypedOperatorClass typedOperatorClass = compileScanFilterAndProjectOperator(filter, projections, classLoader);

        Constructor<? extends SourceOperator> constructor;
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        return builder.build();
    }

    private static InternalAggregationFunction generateAggregation(Type valueType, Type keyType)
    {
        DynamicClassLoader classLoader = new DynamicClassLoader(MaxByAggregations.class.getClassLoader());

        MaxByStateSerializer stateSerializer = new MaxByStateSerializer();
        Type intermediateType = stateSerializer.getSerializedType();

        List<Type> inputTypes = ImmutableList.of(valueType, keyType);
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        }
    }

    public HashJoinOperatorFactoryFactory internalCompileJoinOperatorFactory(List<Type> types, List<Integer> probeJoinChannel)
    {
        DynamicClassLoader classLoader = new DynamicClassLoader(getClass().getClassLoader());
        Class<? extends JoinProbe> joinProbeClass = compileJoinProbe(types, probeJoinChannel, classLoader);

        ClassDefinition classDefinition = new ClassDefinition(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC, FINAL),
                typeFromPathName("JoinProbeFactory_" + CLASS_ID.incrementAndGet()),
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    }

    @VisibleForTesting
    public JoinProbeFactory internalCompileJoinProbe(List<Type> types, List<Integer> probeChannels)
    {
        DynamicClassLoader classLoader = new DynamicClassLoader(getClass().getClassLoader());

        Class<? extends JoinProbe> joinProbeClass = compileJoinProbe(types, probeChannels, classLoader);

        return new ReflectionJoinProbeFactory(joinProbeClass);
    }
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        checkNotNull(sortChannels, "sortChannels is null");
        checkNotNull(sortOrders, "sortOrders is null");

        PagesIndexComparator comparator;
        try {
            DynamicClassLoader classLoader = new DynamicClassLoader(getClass().getClassLoader());

            Class<? extends PagesIndexComparator> pagesHashStrategyClass = compilePagesIndexComparator(sortTypes, sortChannels, sortOrders, classLoader);
            comparator = pagesHashStrategyClass.newInstance();
        }
        catch (Throwable e) {
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        if (DUMP_BYTE_CODE_TREE) {
            DumpByteCodeVisitor dumpByteCode = new DumpByteCodeVisitor(System.out);
            dumpByteCode.visitClass(classDefinition);
        }

        DynamicClassLoader classLoader = new DynamicClassLoader();
        ClassWriter cw = new SmartClassWriter(ClassInfoLoader.createClassInfoLoader(ImmutableList.of(classDefinition), classLoader));
        classDefinition.visit(cw);

        Class<?> clazz = classLoader.defineClass(classDefinition.getType().getJavaClassName(), cw.toByteArray());
        return clazz.getMethod("test").invoke(null);
    }
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    private LookupSourceFactory internalCompileLookupSourceFactory(List<Type> types, List<Integer> joinChannels)
    {
        Class<? extends PagesHashStrategy> pagesHashStrategyClass = internalCompileHashStrategy(types, joinChannels);

        Class<? extends LookupSource> lookupSourceClass = IsolatedClass.isolateClass(
                new DynamicClassLoader(getClass().getClassLoader()),
                LookupSource.class,
                InMemoryJoinHash.class);

        return new LookupSourceFactory(lookupSourceClass, new PagesHashStrategyFactory(pagesHashStrategyClass));
    }
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    {
        try {
            ClassLoader classLoader = callerLookup.lookupClass().getClassLoader();
            checkArgument(classLoader instanceof DynamicClassLoader, "Expected %s's classloader to be of type %s", callerLookup.lookupClass().getName(), DynamicClassLoader.class.getName());

            DynamicClassLoader dynamicClassLoader = (DynamicClassLoader) classLoader;
            MethodHandle target = dynamicClassLoader.getCallsiteBindings().get(bindingId);
            checkArgument(target != null, "Binding %s for function %s%s not found", bindingId, name, type.parameterList());

            return new ConstantCallSite(target);
        }
        catch (Throwable e) {
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                .getVariable("lookupSource")
                .getVariable("page")
                .invokeConstructor(joinProbeClass, LookupSource.class, Page.class)
                .retObject();

        DynamicClassLoader classLoader = new DynamicClassLoader(joinProbeClass.getClassLoader());
        Class<? extends JoinProbeFactory> joinProbeFactoryClass = defineClass(classDefinition, JoinProbeFactory.class, classLoader);
        JoinProbeFactory joinProbeFactory;
        try {
            joinProbeFactory = joinProbeFactoryClass.newInstance();
        }
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  • com.facebook.presto.operator.aggregation.AggregationCompiler
  • com.facebook.presto.operator.aggregation.CountColumn
  • com.facebook.presto.operator.aggregation.IsolatedClass
  • com.facebook.presto.operator.aggregation.MaxBy
  • com.facebook.presto.operator.aggregation.MaxByAggregations
  • com.facebook.presto.operator.aggregation.state.StateCompiler
  • com.facebook.presto.operator.scalar.ArrayConstructor
  • com.facebook.presto.operator.scalar.MapConstructor
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