How to use

getInjections

method

in

com.facebook.swift.codec.metadata.ThriftFieldMetadata

for (ThriftInjection injection : fieldMetadata.getInjections()) {
  if (injection instanceof ThriftFieldInjection) {
    ThriftFieldInjection fieldInjection = (ThriftFieldInjection) injection;
for (ThriftInjection injection : idField.getKey().getInjections()) {
  if (injection instanceof ThriftFieldInjection) {
    ThriftFieldInjection fieldInjection = (ThriftFieldInjection) injection;

for (ThriftInjection injection : fieldMetadata.getInjections()) {
  if (injection instanceof ThriftFieldInjection) {
    ThriftFieldInjection fieldInjection = (ThriftFieldInjection) injection;                    

for (ThriftInjection injection : fieldMetadata.getInjections()) {
  if (injection instanceof ThriftFieldInjection) {
    ThriftFieldInjection fieldInjection = (ThriftFieldInjection) injection;

  private <T> void verifyField(ThriftStructMetadata metadata, int id, String name)
  {
    ThriftFieldMetadata messageField = metadata.getField(id);
    assertNotNull(messageField, "field '" + name + "' is null");
    assertEquals(messageField.getId(), id);
    assertEquals(messageField.getName(), name);
    assertFalse(messageField.isReadOnly());
    assertFalse(messageField.isWriteOnly());

    assertTrue(messageField.getExtraction().isPresent());
    ThriftExtraction extraction = messageField.getExtraction().get();
    assertEquals(extraction.getId(), id);
    assertEquals(extraction.getName(), name);

    assertNotNull(messageField.getInjections());
    assertEquals(messageField.getInjections().size(), 1);
    ThriftInjection injection = messageField.getInjections().get(0);
    assertEquals(injection.getId(), id);
    assertEquals(injection.getName(), name);
  }
}

private void verifyFieldInjection(ThriftStructMetadata metadata, int id, String name)
{
  ThriftInjection injection = metadata.getField(id).getInjections().get(0);
  assertThat(injection).isNotNull().isInstanceOf(ThriftFieldInjection.class);
  ThriftFieldInjection fieldInjection = (ThriftFieldInjection) injection;
  assertEquals(fieldInjection.getField().getName(), name);
}

  private <T> void verifyField(ThriftStructMetadata metadata, int id, String name)
  {
    ThriftFieldMetadata metadataField = metadata.getField(id);
    assertNotNull(metadataField, "metadataField is null");
    assertEquals(metadataField.getId(), id);
    assertEquals(metadataField.getName(), name);
    assertFalse(metadataField.isReadOnly());
    assertFalse(metadataField.isWriteOnly());

    assertTrue(metadataField.getExtraction().isPresent());
    ThriftExtraction extraction = metadataField.getExtraction().get();
    assertEquals(extraction.getId(), id);
    assertEquals(extraction.getName(), name);

    assertNotNull(metadataField.getInjections());
    assertEquals(metadataField.getInjections().size(), 1);
    ThriftInjection injection = metadataField.getInjections().get(0);
    assertEquals(injection.getId(), id);
    assertEquals(injection.getName(), name);
  }
}

private void verifyFieldInjection(ThriftStructMetadata metadata, int id, String name)
{
  ThriftInjection injection = metadata.getField(id).getInjections().get(0);
  assertThat(injection).isNotNull().isInstanceOf(ThriftFieldInjection.class);
  ThriftFieldInjection fieldInjection = (ThriftFieldInjection) injection;
  assertEquals(fieldInjection.getField().getName(), name);
}

for (ThriftInjection injection : fieldMetadata.getInjections()) {
  if (injection instanceof ThriftFieldInjection) {
    ThriftFieldInjection fieldInjection = (ThriftFieldInjection) injection;

private void verifyParameterInjection(ThriftStructMetadata metadata, int id, String name, int parameterIndex)
{
  ThriftInjection injection = metadata.getField(id).getInjections().get(0);
  assertThat(injection).isNotNull().isInstanceOf(ThriftParameterInjection.class);
  ThriftParameterInjection parameterInjection = (ThriftParameterInjection) injection;
  assertEquals(parameterInjection.getId(), id);
  assertEquals(parameterInjection.getName(), name);
  assertEquals(parameterInjection.getParameterIndex(), parameterIndex);
}

private void verifyParameterInjection(ThriftStructMetadata metadata, int id, String name, int parameterIndex)
{
  ThriftInjection injection = metadata.getField(id).getInjections().get(0);
  assertThat(injection).isNotNull().isInstanceOf(ThriftParameterInjection.class);
  ThriftParameterInjection parameterInjection = (ThriftParameterInjection) injection;
  assertEquals(parameterInjection.getId(), id);
  assertEquals(parameterInjection.getName(), name);
  assertEquals(parameterInjection.getParameterIndex(), parameterIndex);
}

private void injectIdField(MethodDefinition read, ThriftFieldMetadata field, LocalVariableDefinition instance, Map<Short, LocalVariableDefinition> structData)
{
  for (ThriftInjection injection : field.getInjections()) {
    if (injection instanceof ThriftFieldInjection) {
      ThriftFieldInjection fieldInjection = (ThriftFieldInjection) injection;
      // if field is an Object && field != null
      if (!isProtocolTypeJavaPrimitive(field)) {
        read.loadVariable("fieldId")
            .ifNullGoto("field_is_null_fieldId");
      }
      // write value
      read.loadVariable(instance)
          .loadVariable("fieldId")
          .putField(fieldInjection.getField());
      // else do nothing
      if (!isProtocolTypeJavaPrimitive(field)) {
        read.visitLabel("field_is_null_fieldId");
      }
    }
  }
}

private void injectField(MethodDefinition read, ThriftFieldMetadata field, LocalVariableDefinition instance, LocalVariableDefinition sourceVariable)
{
  for (ThriftInjection injection : field.getInjections()) {
    if (injection instanceof ThriftFieldInjection) {
      ThriftFieldInjection fieldInjection = (ThriftFieldInjection) injection;
      // if field is an Object && field != null
      if (!isProtocolTypeJavaPrimitive(field)) {
        read.loadVariable(sourceVariable)
            .ifNullGoto("field_is_null_" + field.getName());
      }
      // write value
      read.loadVariable(instance)
          .loadVariable(sourceVariable)
          .putField(fieldInjection.getField());
      // else do nothing
      if (!isProtocolTypeJavaPrimitive(field)) {
        read.visitLabel("field_is_null_" + field.getName());
      }
    }
  }
}