Package com.facebook.presto.byteCode

Examples of com.facebook.presto.byteCode.ClassDefinition.declareMethod()

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                .dup()
                .invokeConstructor(groupedStateClass)
                .retObject();

        // Generate getters for state class
        definition.declareMethod(new CompilerContext(null), a(PUBLIC), "getSingleStateClass", type(Class.class, singleStateClass))
                .getBody()
                .push(singleStateClass)
                .retObject();

        definition.declareMethod(new CompilerContext(null), a(PUBLIC), "getGroupedStateClass", type(Class.class, groupedStateClass))
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        definition.declareMethod(new CompilerContext(null), a(PUBLIC), "getSingleStateClass", type(Class.class, singleStateClass))
                .getBody()
                .push(singleStateClass)
                .retObject();

        definition.declareMethod(new CompilerContext(null), a(PUBLIC), "getGroupedStateClass", type(Class.class, groupedStateClass))
                .getBody()
                .push(groupedStateClass)
                .retObject();

        Class<? extends AccumulatorStateFactory> factoryClass = defineClass(definition, AccumulatorStateFactory.class, classLoader);
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                .invokeVirtual(ClassLayout.class, "instanceSize", int.class)
                .intToLong()
                .putStaticField(classSize);

        // Add getter for class size
        definition.declareMethod(new CompilerContext(null), a(PUBLIC), "getEstimatedSize", type(long.class))
                .getBody()
                .getStaticField(classSize)
                .retLong();

        // Generate constructor
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        Block constructor = definition.declareConstructor(new CompilerContext(null), a(PUBLIC))
                .getBody()
                .pushThis()
                .invokeConstructor(AbstractGroupedAccumulatorState.class);
        // Create ensureCapacity
        Block ensureCapacity = definition.declareMethod(new CompilerContext(null), a(PUBLIC), "ensureCapacity", type(void.class), arg("size", long.class)).getBody();

        // Generate fields, constructor, and ensureCapacity
        List<FieldDefinition> fieldDefinitions = new ArrayList<>();
        for (StateField field : fields) {
            fieldDefinitions.add(generateGroupedField(definition, constructor, ensureCapacity, field));
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        constructor.ret();
        ensureCapacity.ret();

        // Generate getEstimatedSize
        Block getEstimatedSize = definition.declareMethod(new CompilerContext(null), a(PUBLIC), "getEstimatedSize", type(long.class))
                .getBody()
                .comment("long size = 0;")
                .push(0L);
        for (FieldDefinition field : fieldDefinitions) {
            getEstimatedSize
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