com.google.protobuf.Message.hasField()方法的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中com.google.protobuf.Message.hasField()方法的一些代码示例，展示了Message.hasField()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Message.hasField()方法的具体详情如下：
包路径：com.google.protobuf.Message
类名称：Message
方法名：hasField

Message.hasField介绍

暂无

代码示例

代码示例来源：origin: apache/avro

  1. @Override
  2. protected Object getField(Object record, String name, int pos, Object state) {
  3.  Message m = (Message)record;
  4.  FieldDescriptor f = ((FieldDescriptor[])state)[pos];
  5.  switch (f.getType()) {
  6.  case MESSAGE:
  7.   if (!f.isRepeated() && !m.hasField(f))
  8.    return null;
  9.  default:
  10.   return m.getField(f);
  11.  }
  12. }

代码示例来源：origin: SonarSource/sonarqube

  1. private static void writeMessage(Message message, JsonWriter writer) {
  2.  MessageType type = MessageType.of(message);
  3.  for (Descriptors.FieldDescriptor fieldDescriptor : type.fieldDescriptors) {
  4.   if (fieldDescriptor.isRepeated()) {
  5.    writer.name(fieldDescriptor.getName());
  6.    if (fieldDescriptor.isMapField()) {
  7.     writeMap((Collection<MapEntry>) message.getField(fieldDescriptor), writer);
  8.    } else {
  9.     writeArray(writer, fieldDescriptor, (Collection) message.getField(fieldDescriptor));
  10.    }
  11.   } else if (message.hasField(fieldDescriptor)) {
  12.    writer.name(fieldDescriptor.getName());
  13.    Object fieldValue = message.getField(fieldDescriptor);
  14.    writeFieldValue(fieldDescriptor, fieldValue, writer);
  15.   }
  16.  }
  17. }

代码示例来源：origin: org.ow2.chameleon.fuchsia.base.protobuffer/org.ow2.chameleon.fuchsia.base.protobuffer.cxf-protobuf

  1. /**
  2.  * Find out which field in the incoming message contains the payload that is.
  3.  * delivered to the service method.
  4.  */
  5. protected FieldDescriptor resolvePayloadField(Message message) {
  6.   for (FieldDescriptor field : message.getDescriptorForType().getFields()) {
  7.     if (message.hasField(field)) {
  8.       return field;
  9.     }
  10.   }
  11.   throw new RuntimeException("No payload found in message " + message);
  12. }

代码示例来源：origin: google/closure-templates

  1. @Override
  2.  boolean hasField(Message proto) {
  3.   // TODO(lukes):  Currently we assume that a field is present if it is repeated, has an
  4.   // explicit default value or is set.  However, the type of fields is not generally nullable,
  5.   // so we can return null for a non-nullable field type.  Given the current ToFu implementation
  6.   // this is not a problem, but modifying the field types to be nullable for non-repeated fields
  7.   // with non explicit defaults should probably happen.
  8.   return !shouldCheckFieldPresenceToEmulateJspbNullability() || proto.hasField(getDescriptor());
  9.  }
  10. }

代码示例来源：origin: com.google.template/soy

  1. @Override
  2.  boolean hasField(Message proto) {
  3.   // TODO(lukes):  Currently we assume that a field is present if it is repeated, has an
  4.   // explicit default value or is set.  However, the type of fields is not generally nullable,
  5.   // so we can return null for a non-nullable field type.  Given the current ToFu implementation
  6.   // this is not a problem, but modifying the field types to be nullable for non-repeated fields
  7.   // with non explicit defaults should probably happen.
  8.   return !shouldCheckFieldPresenceToEmulateJspbNullability() || proto.hasField(getDescriptor());
  9.  }
  10. }

代码示例来源：origin: com.twitter.elephantbird/elephant-bird-core

  1. public static boolean isFieldSetByName(Message message, String name) {
  2.  return message.hasField(message.getDescriptorForType().findFieldByName(name));
  3. }

代码示例来源：origin: com.google.template/soy

  1. @Override
  2. public SoyValue getProtoField(String name) {
  3.  FieldWithInterpreter field = clazz().fields.get(name);
  4.  if (field == null) {
  5.   throw new IllegalArgumentException(
  6.     "Proto " + proto.getClass().getName() + " does not have a field of name " + name);
  7.  }
  8.  if (field.shouldCheckFieldPresenceToEmulateJspbNullability()
  9.    && !proto.hasField(field.getDescriptor())) {
  10.   return NullData.INSTANCE;
  11.  }
  12.  return field.interpretField(proto).resolve();
  13. }

代码示例来源：origin: xyz.codemeans.protobuf4j/protobuf4j-core

  1. @Override
  2. public boolean isFieldSet(T msg, String fieldName) {
  3.  Descriptors.FieldDescriptor fd = checkFieldDescriptor(fieldName);
  4.  if (fd.isRepeated()) {
  5.   return !((Collection<?>) msg.getField(fd)).isEmpty();
  6.  }
  7.  return msg.hasField(fd);
  8. }

代码示例来源：origin: google/closure-templates

  1. /**
  2.  * Gets a value for the field for the underlying proto object. Not intended for general use.
  3.  *
  4.  * @param name The proto field name.
  5.  * @return The value of the given field for the underlying proto object, or NullData if either the
  6.  *     field does not exist or the value is not set in the underlying proto (according to the jspb
  7.  *     semantics)
  8.  */
  9. public SoyValue getProtoField(String name) {
  10.  FieldWithInterpreter field = clazz().fields.get(name);
  11.  if (field == null) {
  12.   throw new IllegalArgumentException(
  13.     "Proto " + proto.getClass().getName() + " does not have a field of name " + name);
  14.  }
  15.  if (field.shouldCheckFieldPresenceToEmulateJspbNullability()
  16.    && !proto.hasField(field.getDescriptor())) {
  17.   return NullData.INSTANCE;
  18.  }
  19.  return field.interpretField(proto);
  20. }

代码示例来源：origin: org.apache.avro/avro-protobuf

  1. @Override
  2. protected Object getField(Object record, String name, int pos, Object state) {
  3.  Message m = (Message)record;
  4.  FieldDescriptor f = ((FieldDescriptor[])state)[pos];
  5.  switch (f.getType()) {
  6.  case MESSAGE:
  7.   if (!f.isRepeated() && !m.hasField(f))
  8.    return null;
  9.  default:
  10.   return m.getField(f);
  11.  }
  12. }

代码示例来源：origin: com.truward.brikar.protobuf/brikar-protobuf-jackson

  1. public static void writeJson(@Nonnull Message message, @Nonnull JsonGenerator jg) throws IOException {
  2.  final Descriptors.Descriptor descriptor = message.getDescriptorForType();
  3.  jg.writeStartObject();
  4.  for (final Descriptors.FieldDescriptor fieldDescriptor : descriptor.getFields()) {
  5.   if (!(fieldDescriptor.isRepeated() || fieldDescriptor.isRequired()) && !message.hasField(fieldDescriptor)) {
  6.    continue;
  7.   }
  8.   jg.writeFieldName(fieldDescriptor.getName());
  9.   final Object value = message.getField(fieldDescriptor);
  10.   if (!writeValue(value, jg)) {
  11.    throw new IOException("Unable to serialize field '" + fieldDescriptor.getName() + "' in " + message +
  12.      ": unhandled field value");
  13.   }
  14.  }
  15.  jg.writeEndObject();
  16. }

代码示例来源：origin: FoundationDB/fdb-record-layer

  1. @Nonnull
  2. @Override
  3. protected Message getUnionField(@Nonnull Descriptors.Descriptor unionDescriptor,
  4.                 @Nonnull Message storedRecord) {
  5.   final List<Descriptors.OneofDescriptor> oneofs = unionDescriptor.getOneofs();
  6.   if (!oneofs.isEmpty()) {
  7.     Descriptors.FieldDescriptor unionField = storedRecord.getOneofFieldDescriptor(oneofs.get(0));
  8.     if (unionField != null) {
  9.       return (Message)storedRecord.getField(unionField);
  10.     }
  11.   } else {
  12.     for (Descriptors.FieldDescriptor unionField : unionDescriptor.getFields()) {
  13.       if (storedRecord.hasField(unionField)) {
  14.         return (Message)storedRecord.getField(unionField);
  15.       }
  16.     }
  17.   }
  18.   throw new RecordSerializationException("Union record does not have any fields")
  19.       .addLogInfo("unionDescriptorFullName", unionDescriptor.getFullName())
  20.       .addLogInfo("recordType", storedRecord.getDescriptorForType().getName());
  21. }

代码示例来源：origin: com.google.api/api-compiler

  1. if (!proto3 && !messageToMergeForm.hasField(fieldInLocationsToMerge)) {
  2.  configBuilder.clearField(fieldInLocationsToMerge);

代码示例来源：origin: googleapis/api-compiler

  1. if (!proto3 && !messageToMergeForm.hasField(fieldInLocationsToMerge)) {
  2.  configBuilder.clearField(fieldInLocationsToMerge);

代码示例来源：origin: cloudera-labs/envelope

  1. /**
  2.  * Retrieves and converts Protobuf fields from a Message.
  3.  * <p>
  4.  * If the field in the {@link com.google.protobuf.Descriptors.Descriptor} exists in the {@link Message}, the value is
  5.  * retrieved and converted using {@link #getFieldValue(Descriptors.FieldDescriptor, Object, DataType)}.
  6.  * Otherwise, the field value is {@code null}.
  7.  * The extraction honors the order of the {@code Descriptor}.
  8.  *
  9.  * @param dsc the Protobuf Descriptor with all fields
  10.  * @param msg the Message with the current field values
  11.  * @param schema the Dataset schema derived from the Descriptor
  12.  * @return a list of converted values
  13.  */
  14. public static List<Object> buildRowValues(Descriptors.Descriptor dsc, Message msg, StructType schema) {
  15.  List<Object> values = new ArrayList<>();
  16.  Object val;
  17.  for (Descriptors.FieldDescriptor fd : dsc.getFields()) {
  18.   if ( (!fd.isRepeated() && msg.hasField(fd)) || (fd.isRepeated() && msg.getRepeatedFieldCount(fd) > 0) ) {
  19.    val = getFieldValue(fd, msg.getField(fd), schema.apply(fd.getName()).dataType());
  20.   } else {
  21.    LOG.trace("FieldDescriptor[{}] => not found", fd.getFullName());
  22.    val = null;
  23.   }
  24.   values.add(val);
  25.  }
  26.  return values;
  27. }

代码示例来源：origin: FoundationDB/fdb-record-layer

  1. @Nonnull
  2. @Override
  3. public <M extends Message> List<Key.Evaluated> evaluateFunction(@Nullable FDBRecord<M> record,
  4.                                 @Nullable Message message,
  5.                                 @Nonnull Key.Evaluated arguments) {
  6.   if (message == null) {
  7.     return Collections.emptyList();
  8.   }
  9.   List<Key.Evaluated> keys = new ArrayList<>();
  10.   Descriptors.Descriptor descriptor = message.getDescriptorForType();
  11.   Descriptors.FieldDescriptor strField = descriptor.findFieldByNumber(TypesRecord.STR_VALUE_FIELD_NUMBER);
  12.   Descriptors.FieldDescriptor strListField = descriptor.findFieldByNumber(TypesRecord.STR_LIST_VALUE_FIELD_NUMBER);
  13.   if (message.hasField(strField)) {
  14.     keys.add(toKey((String) message.getField(strField)));
  15.   }
  16.   final int len = message.getRepeatedFieldCount(strListField);
  17.   for (int i = 0; i < len; i++) {
  18.     keys.add(toKey((String) message.getRepeatedField(strListField, i)));
  19.   }
  20.   return keys;
  21. }

代码示例来源：origin: com.google.protobuf/protobuf-java-util

  1. continue;
  2. if (!source.hasField(field) && !destination.hasField(field)) {
  3. if (field.getJavaType() == FieldDescriptor.JavaType.MESSAGE) {
  4.  if (options.replaceMessageFields()) {
  5.   if (!source.hasField(field)) {
  6.    destination.clearField(field);
  7.   } else {
  8.   if (source.hasField(field)) {
  9.    destination.getFieldBuilder(field).mergeFrom((Message) source.getField(field));
  10.  if (source.hasField(field) || !options.replacePrimitiveFields()) {
  11.   destination.setField(field, source.getField(field));
  12.  } else {

代码示例来源：origin: FoundationDB/fdb-record-layer

  1. throw new RecordCoreException(String.format("unknown fan type: %s", fanType));
  2. } else if (fieldDescriptor != null && (nullStandin == Key.Evaluated.NullStandin.NOT_NULL || message.hasField(fieldDescriptor))) {
  3.   Object value = message.getField(fieldDescriptor);
  4.   if (fieldDescriptor.getJavaType() == Descriptors.FieldDescriptor.JavaType.MESSAGE &&

代码示例来源：origin: org.sonarsource.sonarqube/sonar-core

  1. private static void writeMessage(Message message, JsonWriter writer) {
  2.  MessageType type = MessageType.of(message);
  3.  for (Descriptors.FieldDescriptor fieldDescriptor : type.fieldDescriptors) {
  4.   if (fieldDescriptor.isRepeated()) {
  5.    writer.name(fieldDescriptor.getName());
  6.    if (fieldDescriptor.isMapField()) {
  7.     writeMap((Collection<MapEntry>) message.getField(fieldDescriptor), writer);
  8.    } else {
  9.     writeArray(writer, fieldDescriptor, (Collection) message.getField(fieldDescriptor));
  10.    }
  11.   } else if (message.hasField(fieldDescriptor)) {
  12.    writer.name(fieldDescriptor.getName());
  13.    Object fieldValue = message.getField(fieldDescriptor);
  14.    writeFieldValue(fieldDescriptor, fieldValue, writer);
  15.   }
  16.  }
  17. }

代码示例来源：origin: org.openbase.bco/dal.lib

  1. continue;
  2. if (value.hasField(field) && requestedState.hasField(field) && !(value.getField(field).equals(requestedState.getField(field)))) {
  3.   equalFields = false;
  4.   break;

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