Package com.facebook.presto.byteCode

Examples of com.facebook.presto.byteCode.ClassDefinition

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    private Class<? extends PagesHashStrategy> compilePagesHashStrategy(List<Type> types, List<Integer> joinChannels, DynamicClassLoader classLoader)
    {
        CallSiteBinder callSiteBinder = new CallSiteBinder();

        ClassDefinition classDefinition = new ClassDefinition(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC, FINAL),
                typeFromPathName("PagesHashStrategy_" + CLASS_ID.incrementAndGet()),
                type(Object.class),
                type(PagesHashStrategy.class));

        // declare fields
        classDefinition.declareField(a(PRIVATE, STATIC, VOLATILE), CALL_SITES_FIELD_NAME, Map.class);

        List<FieldDefinition> channelFields = new ArrayList<>();
        for (int i = 0; i < types.size(); i++) {
            FieldDefinition channelField = classDefinition.declareField(a(PRIVATE, FINAL), "channel_" + i, type(List.class, com.facebook.presto.spi.block.Block.class));
            channelFields.add(channelField);
        }
        List<Type> joinChannelTypes = new ArrayList<>();
        List<FieldDefinition> joinChannelFields = new ArrayList<>();
        for (int i = 0; i < joinChannels.size(); i++) {
            joinChannelTypes.add(types.get(joinChannels.get(i)));
            FieldDefinition channelField = classDefinition.declareField(a(PRIVATE, FINAL), "joinChannel_" + i, type(List.class, com.facebook.presto.spi.block.Block.class));
            joinChannelFields.add(channelField);
        }

        generateConstructor(classDefinition, joinChannels, channelFields, joinChannelFields);
        generateGetChannelCountMethod(classDefinition, channelFields);
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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()),
                type(Object.class),
                type(JoinProbeFactory.class));

        classDefinition.declareConstructor(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC))
                .getBody()
                .comment("super();")
                .pushThis()
                .invokeConstructor(Object.class)
                .ret();

        classDefinition.declareMethod(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC),
                "createJoinProbe",
                type(JoinProbe.class),
                arg("lookupSource", LookupSource.class),
                arg("page", Page.class))
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    private Class<? extends JoinProbe> compileJoinProbe(List<Type> types, List<Integer> probeChannels, DynamicClassLoader classLoader)
    {
        CallSiteBinder callSiteBinder = new CallSiteBinder();

        ClassDefinition classDefinition = new ClassDefinition(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC, FINAL),
                typeFromPathName("JoinProbe_" + CLASS_ID.incrementAndGet()),
                type(Object.class),
                type(JoinProbe.class));

        // declare fields
        classDefinition.declareField(a(PRIVATE, STATIC, VOLATILE), CALL_SITES_FIELD_NAME, Map.class);
        FieldDefinition lookupSourceField = classDefinition.declareField(a(PRIVATE, FINAL), "lookupSource", LookupSource.class);
        FieldDefinition positionCountField = classDefinition.declareField(a(PRIVATE, FINAL), "positionCount", int.class);
        List<FieldDefinition> blockFields = new ArrayList<>();
        for (int i = 0; i < types.size(); i++) {
            FieldDefinition channelField = classDefinition.declareField(a(PRIVATE, FINAL), "block_" + i, com.facebook.presto.spi.block.Block.class);
            blockFields.add(channelField);
        }
        List<FieldDefinition> probeBlockFields = new ArrayList<>();
        for (int i = 0; i < probeChannels.size(); i++) {
            FieldDefinition channelField = classDefinition.declareField(a(PRIVATE, FINAL), "probeBlock_" + i, com.facebook.presto.spi.block.Block.class);
            probeBlockFields.add(channelField);
        }
        FieldDefinition probeBlocksArrayField = classDefinition.declareField(a(PRIVATE, FINAL), "probeBlocks", com.facebook.presto.spi.block.Block[].class);
        FieldDefinition positionField = classDefinition.declareField(a(PRIVATE), "position", int.class);

        generateConstructor(classDefinition, probeChannels, lookupSourceField, blockFields, probeBlockFields, probeBlocksArrayField, positionField, positionCountField);
        generateGetChannelCountMethod(classDefinition, blockFields.size());
        generateAppendToMethod(classDefinition, callSiteBinder, types, blockFields, positionField);
        generateAdvanceNextPosition(classDefinition, positionField, positionCountField);
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            List<SortOrder> sortOrders,
            DynamicClassLoader classLoader)
    {
        CallSiteBinder callSiteBinder = new CallSiteBinder();

        ClassDefinition classDefinition = new ClassDefinition(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC, FINAL),
                typeFromPathName("PagesIndexComparator" + CLASS_ID.incrementAndGet()),
                type(Object.class),
                type(PagesIndexComparator.class));

        classDefinition.declareField(a(PRIVATE, STATIC, VOLATILE), CALL_SITES_FIELD_NAME, Map.class);

        generateConstructor(classDefinition);
        generateCompareTo(classDefinition, callSiteBinder, sortTypes, sortChannels, sortOrders);

        Class<? extends PagesIndexComparator> comparatorClass = defineClass(classDefinition, PagesIndexComparator.class, classLoader);
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            List<RowExpression> projections,
            DynamicClassLoader classLoader)
    {
        CallSiteBinder callSiteBinder = new CallSiteBinder();

        ClassDefinition classDefinition = new ClassDefinition(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC, FINAL),
                typeFromPathName("FilterAndProjectOperator_" + CLASS_ID.incrementAndGet()),
                type(AbstractFilterAndProjectOperator.class));

        // declare fields
        FieldDefinition sessionField = classDefinition.declareField(a(PRIVATE, FINAL), "session", ConnectorSession.class);
        classDefinition.declareField(a(PRIVATE, VOLATILE, STATIC), CALL_SITES_FIELD_NAME, Map.class);

        // constructor
        classDefinition.declareConstructor(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC),
                arg("operatorContext", OperatorContext.class),
                arg("types", type(Iterable.class, Type.class)))
                .getBody()
                .comment("super(operatorContext, types);")
                .pushThis()
                .getVariable("operatorContext")
                .getVariable("types")
                .invokeConstructor(AbstractFilterAndProjectOperator.class, OperatorContext.class, Iterable.class)
                .comment("this.session = operatorContext.getSession();")
                .pushThis()
                .getVariable("operatorContext")
                .invokeVirtual(OperatorContext.class, "getSession", ConnectorSession.class)
                .putField(sessionField)
                .ret();

        generateFilterAndProjectRowOriented(classDefinition, filter, projections);

        //
        // filter method
        //
        generateFilterMethod(callSiteBinder, classDefinition, filter, true);
        generateFilterMethod(callSiteBinder, classDefinition, filter, false);

        //
        // project methods
        //
        List<Type> types = new ArrayList<>();
        int projectionIndex = 0;
        for (RowExpression projection : projections) {
            generateProjectMethod(callSiteBinder, classDefinition, "project_" + projectionIndex, projection, true);
            generateProjectMethod(callSiteBinder, classDefinition, "project_" + projectionIndex, projection, false);
            types.add(projection.getType());
            projectionIndex++;
        }

        //
        // toString method
        //
        generateToString(
                classDefinition,
                toStringHelper(classDefinition.getType().getJavaClassName())
                        .add("filter", filter)
                        .add("projections", projections)
                        .toString());

        Class<? extends Operator> filterAndProjectClass = defineClass(classDefinition, Operator.class, classLoader);
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            List<RowExpression> projections,
            DynamicClassLoader classLoader)
    {
        CallSiteBinder callSiteBinder = new CallSiteBinder();

        ClassDefinition classDefinition = new ClassDefinition(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC, FINAL),
                typeFromPathName("ScanFilterAndProjectOperator_" + CLASS_ID.incrementAndGet()),
                type(AbstractScanFilterAndProjectOperator.class));

        // declare fields
        FieldDefinition sessionField = classDefinition.declareField(a(PRIVATE, FINAL), "session", ConnectorSession.class);
        classDefinition.declareField(a(PRIVATE, VOLATILE, STATIC), CALL_SITES_FIELD_NAME, Map.class);

        // constructor
        classDefinition.declareConstructor(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC),
                arg("operatorContext", OperatorContext.class),
                arg("sourceId", PlanNodeId.class),
                arg("dataStreamProvider", DataStreamProvider.class),
                arg("columns", type(Iterable.class, ColumnHandle.class)),
                arg("types", type(Iterable.class, Type.class)))
                .getBody()
                .comment("super(operatorContext, sourceId, dataStreamProvider, columns, types);")
                .pushThis()
                .getVariable("operatorContext")
                .getVariable("sourceId")
                .getVariable("dataStreamProvider")
                .getVariable("columns")
                .getVariable("types")
                .invokeConstructor(AbstractScanFilterAndProjectOperator.class, OperatorContext.class, PlanNodeId.class, DataStreamProvider.class, Iterable.class, Iterable.class)
                .comment("this.session = operatorContext.getSession();")
                .pushThis()
                .getVariable("operatorContext")
                .invokeVirtual(OperatorContext.class, "getSession", ConnectorSession.class)
                .putField(sessionField)
                .ret();

        generateFilterAndProjectRowOriented(classDefinition, filter, projections);
        generateFilterAndProjectCursorMethod(classDefinition, projections);

        //
        // filter method
        //
        generateFilterMethod(callSiteBinder, classDefinition, filter, true);
        generateFilterMethod(callSiteBinder, classDefinition, filter, false);

        //
        // project methods
        //
        List<Type> types = new ArrayList<>();
        int projectionIndex = 0;
        for (RowExpression projection : projections) {
            generateProjectMethod(callSiteBinder, classDefinition, "project_" + projectionIndex, projection, true);
            generateProjectMethod(callSiteBinder, classDefinition, "project_" + projectionIndex, projection, false);
            types.add(projection.getType());
            projectionIndex++;
        }

        //
        // toString method
        //
        generateToString(
                classDefinition,
                toStringHelper(classDefinition.getType().getJavaClassName())
                        .add("filter", filter)
                        .add("projections", projections)
                        .toString());

        Class<? extends SourceOperator> filterAndProjectClass = defineClass(classDefinition, SourceOperator.class, classLoader);
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    }

    public static Object execute(ByteCodeNode node, ParameterizedType returnType)
            throws Exception
    {
        ClassDefinition classDefinition = new ClassDefinition(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC, FINAL),
                makeClassName("Test"),
                type(Object.class));

        classDefinition.declareMethod(new CompilerContext(BOOTSTRAP_METHOD), a(PUBLIC, STATIC), "test", returnType)
                .getBody()
                .append(node);

        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 Class<? extends PagesHashStrategy> internalCompileHashStrategy(List<Type> types, List<Integer> joinChannels)
    {
        CallSiteBinder callSiteBinder = new CallSiteBinder();

        ClassDefinition classDefinition = new ClassDefinition(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC, FINAL),
                makeClassName("PagesHashStrategy"),
                type(Object.class),
                type(PagesHashStrategy.class));

        List<FieldDefinition> channelFields = new ArrayList<>();
        for (int i = 0; i < types.size(); i++) {
            FieldDefinition channelField = classDefinition.declareField(a(PRIVATE, FINAL), "channel_" + i, type(List.class, com.facebook.presto.spi.block.Block.class));
            channelFields.add(channelField);
        }
        List<Type> joinChannelTypes = new ArrayList<>();
        List<FieldDefinition> joinChannelFields = new ArrayList<>();
        for (int i = 0; i < joinChannels.size(); i++) {
            joinChannelTypes.add(types.get(joinChannels.get(i)));
            FieldDefinition channelField = classDefinition.declareField(a(PRIVATE, FINAL), "joinChannel_" + i, type(List.class, com.facebook.presto.spi.block.Block.class));
            joinChannelFields.add(channelField);
        }

        generateConstructor(classDefinition, joinChannels, channelFields, joinChannelFields);
        generateGetChannelCountMethod(classDefinition, channelFields);
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    public HashJoinOperatorFactoryFactory internalCompileJoinOperatorFactory(List<Type> types, List<Integer> probeJoinChannel)
    {
        Class<? extends JoinProbe> joinProbeClass = compileJoinProbe(types, probeJoinChannel);

        ClassDefinition classDefinition = new ClassDefinition(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC, FINAL),
                makeClassName("JoinProbeFactory"),
                type(Object.class),
                type(JoinProbeFactory.class));

        classDefinition.declareDefaultConstructor(a(PUBLIC));

        classDefinition.declareMethod(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC),
                "createJoinProbe",
                type(JoinProbe.class),
                arg("lookupSource", LookupSource.class),
                arg("page", Page.class))
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    private Class<? extends JoinProbe> compileJoinProbe(List<Type> types, List<Integer> probeChannels)
    {
        CallSiteBinder callSiteBinder = new CallSiteBinder();

        ClassDefinition classDefinition = new ClassDefinition(new CompilerContext(BOOTSTRAP_METHOD),
                a(PUBLIC, FINAL),
                makeClassName("JoinProbe"),
                type(Object.class),
                type(JoinProbe.class));

        // declare fields
        FieldDefinition lookupSourceField = classDefinition.declareField(a(PRIVATE, FINAL), "lookupSource", LookupSource.class);
        FieldDefinition positionCountField = classDefinition.declareField(a(PRIVATE, FINAL), "positionCount", int.class);
        List<FieldDefinition> blockFields = new ArrayList<>();
        for (int i = 0; i < types.size(); i++) {
            FieldDefinition channelField = classDefinition.declareField(a(PRIVATE, FINAL), "block_" + i, com.facebook.presto.spi.block.Block.class);
            blockFields.add(channelField);
        }
        List<FieldDefinition> probeBlockFields = new ArrayList<>();
        for (int i = 0; i < probeChannels.size(); i++) {
            FieldDefinition channelField = classDefinition.declareField(a(PRIVATE, FINAL), "probeBlock_" + i, com.facebook.presto.spi.block.Block.class);
            probeBlockFields.add(channelField);
        }
        FieldDefinition probeBlocksArrayField = classDefinition.declareField(a(PRIVATE, FINAL), "probeBlocks", com.facebook.presto.spi.block.Block[].class);
        FieldDefinition positionField = classDefinition.declareField(a(PRIVATE), "position", int.class);

        generateConstructor(classDefinition, probeChannels, lookupSourceField, blockFields, probeBlockFields, probeBlocksArrayField, positionField, positionCountField);
        generateGetChannelCountMethod(classDefinition, blockFields.size());
        generateAppendToMethod(classDefinition, callSiteBinder, types, blockFields, positionField);
        generateAdvanceNextPosition(classDefinition, positionField, positionCountField);
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Related Classes of com.facebook.presto.byteCode.ClassDefinition

  • com.facebook.presto.byteCode.expression.ByteCodeExpressionAssertions
  • com.facebook.presto.operator.aggregation.AccumulatorCompiler
  • com.facebook.presto.operator.aggregation.state.StateCompiler
  • com.facebook.presto.operator.scalar.ArrayConstructor
  • com.facebook.presto.operator.scalar.MapConstructor
  • com.facebook.presto.sql.gen.ExpressionCompiler
  • com.facebook.presto.sql.gen.JoinCompiler
  • com.facebook.presto.sql.gen.JoinProbeCompiler
  • com.facebook.presto.sql.gen.OrderingCompiler
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