Package com.facebook.presto.byteCode

Examples of com.facebook.presto.byteCode.DynamicClassLoader

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                    .getVariable("type")
                    .getVariable("bindingId")
                    .invokeVirtual(BootstrapFunctionBinder.class, "bootstrap", CallSite.class, String.class, MethodType.class, long.class)
                    .retObject();

            Class<?> bootstrapClass = defineClass(classDefinition, Object.class, new DynamicClassLoader());

            AtomicReference<BootstrapFunctionBinder> bootstrapReference = (AtomicReference<BootstrapFunctionBinder>) bootstrapClass.getField("BOOTSTRAP").get(null);
            bootstrapReference.set(bootstrapFunctionBinder);

            bootstrapMethod = bootstrapClass.getMethod("bootstrap", Lookup.class, String.class, MethodType.class, long.class);
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        return operatorFactories.getUnchecked(new OperatorCacheKey(filter, projections, inputTypes, outputTypes, null)).create(operatorId);
    }

    private DynamicClassLoader createClassLoader()
    {
        return new DynamicClassLoader(bootstrapMethod.getDeclaringClass().getClassLoader());
    }
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            Expression filter,
            List<Expression> projections,
            Map<Input, Type> inputTypes,
            List<Type> outputTypes)
    {
        DynamicClassLoader classLoader = createClassLoader();

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

        Constructor<? extends Operator> constructor;
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            Expression filter,
            List<Expression> projections,
            Map<Input, Type> inputTypes,
            List<Type> outputTypes)
    {
        DynamicClassLoader classLoader = createClassLoader();

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

        Constructor<? extends SourceOperator> constructor;
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{
    private IsolatedClass() {}

    public static <T> Class<? extends T> isolateClass(Class<T> publicBaseClass, Class<? extends T> implementationClass, Class<?>... additionalClasses)
    {
        DynamicClassLoader dynamicClassLoader = new DynamicClassLoader(publicBaseClass.getClassLoader());

        ImmutableMap.Builder<String, byte[]> builder = ImmutableMap.builder();
        builder.put(implementationClass.getName(), getByteCode(implementationClass));
        for (Class<?> additionalClass : additionalClasses) {
            builder.put(additionalClass.getName(), getByteCode(additionalClass));
        }

        // load classes into a private class loader
        Map<String, Class<?>> isolatedClasses = dynamicClassLoader.defineClasses(builder.build());
        Class<?> isolatedClass = isolatedClasses.get(implementationClass.getName());

        // verify the isolated class
        checkArgument(isolatedClass != null, "Could load class %s", implementationClass.getName());
        checkArgument(publicBaseClass.isAssignableFrom(isolatedClass),
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        throw new IllegalArgumentException("Unsupported type: " + type.getName());
    }

    public <T> AccumulatorStateSerializer<T> generateStateSerializer(Class<T> clazz)
    {
        return generateStateSerializer(clazz, new DynamicClassLoader(clazz.getClassLoader()));
    }
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                .invokeInterface(setter);
    }

    public <T> AccumulatorStateFactory<T> generateStateFactory(Class<T> clazz)
    {
        return generateStateFactory(clazz, new DynamicClassLoader(clazz.getClassLoader()));
    }
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Related Classes of com.facebook.presto.byteCode.DynamicClassLoader

  • com.facebook.presto.byteCode.expression.ByteCodeExpressionAssertions
  • 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
  • com.facebook.presto.sql.gen.Bootstrap
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