Enable cache in SentenceTransformerEmbed and PdfToMarkdown. (#16)

* Enable cache for `SentenceTransformerEmbed`.

* Enable cache for `PdfToMarkdown` in `pdf_embedding` example.

Author: badmonster0

examples/pdf_embedding/pdf_embedding.py

@@ -11,7 +11,7 @@
 class PdfToMarkdown(cocoindex.op.FunctionSpec):
     """Convert a PDF to markdown."""
 
-@cocoindex.op.executor_class(gpu=True)
+@cocoindex.op.executor_class(gpu=True, cache=True, behavior_version=1)
 class PdfToMarkdownExecutor:
     """Executor for PdfToMarkdown."""
 

python/cocoindex/functions.py

@@ -16,7 +16,7 @@ class SentenceTransformerEmbed(op.FunctionSpec):
     """Run the sentence transformer"""
     model: str
 
-@op.executor_class(gpu=True)
+@op.executor_class(gpu=True, cache=True, behavior_version=1)
 class SentenceTransformerEmbedExecutor:
     """Executor for SentenceTransformerEmbed."""