Package com.facebook.swift.codec.metadata

Examples of com.facebook.swift.codec.metadata.ThriftFieldMetadata

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        write.loadVariable(protocol)
            .loadConstant(metadata.getStructName())
            .invokeVirtual(TProtocolWriter.class, "writeStructBegin", void.class, String.class);

        // find the @ThriftUnionId field
        ThriftFieldMetadata idField = getOnlyElement(metadata.getFields(THRIFT_UNION_ID));

        // load its value
        loadFieldValue(write, idField);

        // switch(fieldId)
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        // default case
        read.visitLabel("inject-default");

        // find the @ThriftUnionId field
        ThriftFieldMetadata idField = getOnlyElement(metadata.getFields(THRIFT_UNION_ID));

        injectIdField(read, idField, instance, unionData);

        // invoke factory method if present
        invokeFactoryMethod(read, unionData, instance);
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        write.loadVariable(protocol)
            .loadConstant(metadata.getStructName())
            .invokeVirtual(TProtocolWriter.class, "writeStructBegin", void.class, String.class);

        // find the @ThriftUnionId field
        ThriftFieldMetadata idField = getOnlyElement(metadata.getFields(THRIFT_UNION_ID));

        // load its value
        loadFieldValue(write, idField);

        // switch(fieldId)
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                reader.skipFieldData();
                continue;
            }

            // is this field readable
            ThriftFieldMetadata field = metadata.getField(fieldId);
            if (field.isReadOnly() || field.getType() != THRIFT_FIELD) {
                reader.skipFieldData();
                continue;
            }

            // read the value
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    public ReflectionThriftUnionCodec(ThriftCodecManager manager, ThriftStructMetadata<T> metadata)
    {
        super(manager, metadata);

        ThriftFieldMetadata idField = getOnlyElement(metadata.getFields(FieldType.THRIFT_UNION_ID));

        this.idField = Maps.<ThriftFieldMetadata, ThriftCodec<?>>immutableEntry(idField, manager.getCodec(idField.getThriftType()));
        checkNotNull(this.idField.getValue(), "No codec for id field %s found", idField);

        this.metadataMap = Maps.uniqueIndex(metadata.getFields(), ThriftFieldMetadata.getIdGetter());
    }
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                reader.skipFieldData();
            }
            else {

                // is this field readable
                ThriftFieldMetadata field = metadata.getField(fieldId);
                if (field.isWriteOnly() || field.getType() != THRIFT_FIELD) {
                    reader.skipFieldData();
                    continue;
                }

                // read the value
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        Short idValue = (Short) getFieldValue(instance, idField.getKey());

        writer.writeStructBegin(metadata.getStructName());

        if (metadataMap.containsKey(idValue)) {
            ThriftFieldMetadata fieldMetadata = metadataMap.get(idValue);

            if (fieldMetadata.isReadOnly() || fieldMetadata.getType() != THRIFT_FIELD) {
                throw new IllegalStateException(format("Field %s is not readable", fieldMetadata.getName()));
            }

            Object fieldValue = getFieldValue(instance, fieldMetadata);

            // write the field
            if (fieldValue != null) {
                @SuppressWarnings("unchecked")
                ThriftCodec<Object> codec = (ThriftCodec<Object>) fields.get(fieldMetadata.getId());
                writer.writeField(fieldMetadata.getName(), fieldMetadata.getId(), codec, fieldValue);
            }
        }
        writer.writeStructEnd();
    }
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            throws Exception
    {
        // construct instance
        Object instance = null;

        ThriftFieldMetadata fieldMetadata = null;

        if (data != null) {
            fieldMetadata = metadataMap.get(data.getKey());

            if (fieldMetadata != null && fieldMetadata.getConstructorInjection().isPresent()) {
                    ThriftConstructorInjection constructor = fieldMetadata.getConstructorInjection().get();

                    Object[] parametersValues = new Object[] { data.getValue() };

                    try {
                        instance = constructor.getConstructor().newInstance(parametersValues);
                    }
                    catch (InvocationTargetException e) {
                        if (e.getTargetException() != null) {
                            Throwables.propagateIfInstanceOf(e.getTargetException(), Exception.class);
                        }
                        throw e;
                    }
            }
        }

        if (instance == null && metadata.getConstructorInjection().isPresent()) {
            ThriftConstructorInjection constructor = metadata.getConstructorInjection().get();
            // must be no-args
            Object[] parametersValues = new Object[0];

            try {
                instance = constructor.getConstructor().newInstance(parametersValues);
            }
            catch (InvocationTargetException e) {
                if (e.getTargetException() != null) {
                    Throwables.propagateIfInstanceOf(e.getTargetException(), Exception.class);
                }
                throw e;
            }
        }

        if (fieldMetadata != null) {
            // inject fields
            for (ThriftInjection injection : fieldMetadata.getInjections()) {
                if (injection instanceof ThriftFieldInjection) {
                    ThriftFieldInjection fieldInjection = (ThriftFieldInjection) injection;
                    if (data.getValue() != null) {
                        fieldInjection.getField().set(instance, data.getValue());
                    }
                }
            }

            if (fieldMetadata.getMethodInjection().isPresent()) {
                Object[] parametersValues = new Object[] { data.getValue() };

                if (data.getValue() != null) {
                    try {
                        fieldMetadata.getMethodInjection().get().getMethod().invoke(instance, parametersValues);
                    }
                    catch (InvocationTargetException e) {
                        if (e.getTargetException() != null) {
                            Throwables.propagateIfInstanceOf(e.getTargetException(), Exception.class);
                        }
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                // There is only one field injection used to build metadata for method parameters, and if a
                // single injection point has UNSPECIFIED requiredness, that resolves to NONE.
                parameterRequiredness = Requiredness.NONE;
            }

            ThriftFieldMetadata fieldMetadata = new ThriftFieldMetadata(
                    parameterId,
                    parameterRequiredness,
                    thriftType,
                    parameterName,
                    THRIFT_FIELD,
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            Type parameterType = parameterTypes[index];

            ThriftType thriftType = catalog.getThriftType(parameterType);

            ThriftFieldMetadata fieldMetadata = new ThriftFieldMetadata(
                    parameterId,
                    thriftType,
                    parameterName,
                    ImmutableList.<ThriftInjection>of(new ThriftParameterInjection(parameterId, parameterName, index, parameterType)),
                    null,
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Related Classes of com.facebook.swift.codec.metadata.ThriftFieldMetadata

  • com.facebook.swift.codec.internal.compiler.ThriftCodecByteCodeGenerator
  • com.facebook.swift.codec.internal.reflection.ReflectionThriftCodec
  • com.facebook.swift.codec.internal.reflection.ReflectionThriftStructCodec
  • com.facebook.swift.codec.internal.reflection.ReflectionThriftUnionCodec
  • com.facebook.swift.service.metadata.ThriftMethodMetadata
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