Package com.github.hakenadu.javalangchains.chains.data.reader

Class ReadDocumentsFromPdfChainBase<I>

java.lang.Object

com.github.hakenadu.javalangchains.chains.data.reader.ReadDocumentsFromPdfChainBase<I>

Type Parameters:

I - input type to read pdfs from

All Implemented Interfaces:

Chain<I,Stream<Map<String,String>>>

Direct Known Subclasses:

ReadDocumentsFromInMemoryPdfChain, ReadDocumentsFromPdfChain

public abstract class ReadDocumentsFromPdfChainBase<I>
extends Object
implements Chain<I,Stream<Map<String,String>>>

provides base functionality for all pdf reading chains

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	ReadDocumentsFromPdfChainBase.PdDocumentWrapper	(PDDocument, PDF-Name) pair
static class	ReadDocumentsFromPdfChainBase.PdfReadMode	this enum is used to configure how each pdf content is read into a string

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ReadDocumentsFromPdfChainBase(ReadDocumentsFromPdfChainBase.PdfReadMode readMode, boolean parallel)	creates a ReadDocumentsFromPdfChainBase

Method Summary

Modifier and Type	Method	Description
protected abstract Stream<ReadDocumentsFromPdfChainBase.PdDocumentWrapper>	loadPdDocuments(I input)	load a pdf from an input instance
Stream<Map<String,String>>	run(I input)	Execute this Chain

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.github.hakenadu.javalangchains.chains.Chain

chain

Constructor Details

ReadDocumentsFromPdfChainBase

protected ReadDocumentsFromPdfChainBase(ReadDocumentsFromPdfChainBase.PdfReadMode readMode, boolean parallel)

creates a ReadDocumentsFromPdfChainBase

Parameters:

readMode - readMode

parallel - parallel

Method Details

loadPdDocuments

protected abstract Stream<ReadDocumentsFromPdfChainBase.PdDocumentWrapper> loadPdDocuments(I input) throws IOException

load a pdf from an input instance

Parameters:

input - input instance

Returns:

PDDocument

Throws:

IOException - on error loading pdf

run

public Stream<Map<String,String>> run(I input)

Description copied from interface: Chain

Execute this Chain

Specified by:

run in interface Chain<I,Stream<Map<String,String>>>

Parameters:

input - this chain's input

Returns:

this chain's output