Package dev.getelements.elements.rt.transact

Interface ResourceContents

All Known Implementing Classes:

UnixFSTemporaryResourceContents

public interface ResourceContents

Method Summary

Modifier and Type	Method	Description
ReadableByteChannel	read()	Reads from the channel.
default Optional<WritableByteChannel>	tryWrite(String transactionId)	Writes to the channel.
default WritableByteChannel	write(String transactionId)	Writes to the channel, throwing an exception if not supported.

Method Details

read

ReadableByteChannel read()
                  throws IOException

Reads from the channel.

Returns:

the ReadableByteChannel to read the contents

Throws:

IOException - if there was an error reading the underlying contents

write

default WritableByteChannel write(String transactionId)
                           throws IOException

Writes to the channel, throwing an exception if not supported.

Returns:

the ReadableByteChannel to read the contents

Throws:

IOException - if there was an error writing the underlying contents

tryWrite

default Optional<WritableByteChannel> tryWrite(String transactionId)
                                        throws IOException

Writes to the channel. Returning an empty Optional if not supported.

Returns:

the ReadableByteChannel to read the contents

Throws:

IOException - if there was an error writing the underlying contents