org.tensorflow.framework.SignatureDef Java Examples

The following examples show how to use org.tensorflow.framework.SignatureDef. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: TensorFlowModel.java From zoltar with Apache License 2.0

5 votes

/**
 * Note: Please use Models from zoltar-models module.
 *
 * <p>Returns a TensorFlow model with metadata given {@link SavedModelBundle} export directory URI
 * and {@link Options}.
 */
public static TensorFlowModel create(
    final Model.Id id,
    final URI modelResource,
    final Options options,
    final String signatureDefinition)
    throws IOException {
  // GCS requires that directory URIs have a trailing slash, so add the slash if it's missing
  // and the URI starts with 'gs'.
  final URI normalizedUri =
      !CloudStorageFileSystem.URI_SCHEME.equalsIgnoreCase(modelResource.getScheme())
              || modelResource.toString().endsWith("/")
          ? modelResource
          : URI.create(modelResource.toString() + "/");
  final URI localDir = FileSystemExtras.downloadIfNonLocal(normalizedUri);
  final SavedModelBundle model =
      SavedModelBundle.load(localDir.toString(), options.tags().toArray(new String[0]));
  final MetaGraphDef metaGraphDef;
  try {
    metaGraphDef = extractMetaGraphDefinition(model);
  } catch (TensorflowMetaGraphDefParsingException e) {
    throw new IOException(e);
  }
  final SignatureDef signatureDef = metaGraphDef.getSignatureDefOrThrow(signatureDefinition);

  return new AutoValue_TensorFlowModel(
      id,
      model,
      options,
      metaGraphDef,
      signatureDef,
      toNameMap(signatureDef.getInputsMap()),
      toNameMap(signatureDef.getOutputsMap()));
}

Example #2

Source File: TensorFlowModel.java From zoltar with Apache License 2.0

votes

public abstract SignatureDef signatureDefinition();