Package com.facebook.presto.byteCode

Examples of com.facebook.presto.byteCode.DynamicClassLoader

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            catch (InstantiationException | IllegalAccessException | NoSuchMethodException | InvocationTargetException e) {
                throw Throwables.propagate(e);
            }
        }

        DynamicClassLoader classLoader = createClassLoader();
        Class<? extends T> singleStateClass = generateSingleStateClass(clazz, classLoader);
        Class<? extends T> groupedStateClass = generateGroupedStateClass(clazz, classLoader);

        ClassDefinition definition = new ClassDefinition(new CompilerContext(null),
                a(PUBLIC, FINAL),
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        return operatorFactories.getUnchecked(new OperatorCacheKey(filter, projections, expressionTypes, null, timeZoneKey)).create(operatorId);
    }

    private DynamicClassLoader createClassLoader()
    {
        return new DynamicClassLoader(getClass().getClassLoader());
    }
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            Expression filter,
            List<Expression> projections,
            IdentityHashMap<Expression, Type> expressionTypes,
            TimeZoneKey timeZoneKey)
    {
        DynamicClassLoader classLoader = createClassLoader();

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

        Constructor<? extends Operator> constructor;
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            Expression filter,
            List<Expression> projections,
            IdentityHashMap<Expression, Type> expressionTypes,
            TimeZoneKey timeZoneKey)
    {
        DynamicClassLoader classLoader = createClassLoader();

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

        Constructor<? extends SourceOperator> constructor;
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        }
    }

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

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

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

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

        return new ReflectionJoinProbeFactory(joinProbeClass);
    }
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public class 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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{
    private IsolatedClass() {}

    public static <T> Class<? extends T> isolateClass(Class<T> publicBaseClass, Class<? extends T> implementationClass, Class<?>... additionalClasses)
    {
        return isolateClass(new DynamicClassLoader(publicBaseClass.getClassLoader()), publicBaseClass, implementationClass, additionalClasses);
    }
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        return operatorFactories.getUnchecked(new OperatorCacheKey(filter, projections, expressionTypes, null, timeZoneKey)).create(operatorId);
    }

    private DynamicClassLoader createClassLoader()
    {
        return new DynamicClassLoader(getClass().getClassLoader());
    }
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            Expression filter,
            List<Expression> projections,
            IdentityHashMap<Expression, Type> expressionTypes,
            TimeZoneKey timeZoneKey)
    {
        DynamicClassLoader classLoader = createClassLoader();

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

        Constructor<? extends Operator> constructor;
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  • com.facebook.presto.operator.aggregation.state.StateCompiler
  • com.facebook.presto.operator.scalar.ArrayConstructor
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