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, null)).create(operatorId);
    }

    private DynamicClassLoader createClassLoader()
    {
        return new DynamicClassLoader(bootstrapMethod.getDeclaringClass().getClassLoader());
    }
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    }

    @VisibleForTesting
    public FilterAndProjectOperatorFactoryFactory internalCompileFilterAndProjectOperator(Expression filter, List<Expression> projections, Map<Input, Type> inputTypes)
    {
        DynamicClassLoader classLoader = createClassLoader();

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

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

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

        Constructor<? extends SourceOperator> constructor;
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        return new FunctionInfo(signature, getDescription(), aggregation.getIntermediateType().getName(), aggregation, false);
    }

    private static InternalAggregationFunction generateAggregation(Type type)
    {
        DynamicClassLoader classLoader = new DynamicClassLoader(CountColumn.class.getClassLoader());

        AccumulatorStateSerializer<LongState> stateSerializer = new StateCompiler().generateStateSerializer(LongState.class, classLoader);
        AccumulatorStateFactory<LongState> stateFactory = new StateCompiler().generateStateFactory(LongState.class, classLoader);
        Type intermediateType = stateSerializer.getSerializedType();
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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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    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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        return new FunctionInfo(signature, getDescription(), aggregation.getIntermediateType().getName(), aggregation, false);
    }

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

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

        List<Type> inputTypes = ImmutableList.of(valueType, keyType);
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        body.comment("return toStackRepresentation(values);")
                .getVariable(valuesVariable)
                .invokeStatic(MapType.class, "toStackRepresentation", Slice.class, Map.class)
                .retObject();

        return defineClass(definition, Object.class, new DynamicClassLoader());
    }
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        body.comment("return toStackRepresentation(values);")
                .getVariable(valuesVariable)
                .invokeStatic(ArrayType.class, "toStackRepresentation", Slice.class, List.class)
                .retObject();

        return defineClass(definition, Object.class, new DynamicClassLoader());
    }
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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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