org.lockss.repository

Interface RepositoryNodeVersion

All Known Subinterfaces:

RepositoryNode

public interface RepositoryNodeVersion

RepositoryNodeVersion represents a specific version of content at a node.

Method Summary

Modifier and Type	Method and Description
long	getContentSize() Returns the content of this content version
RepositoryNode.RepositoryNodeContents	getNodeContents() Return a RepositoryNodeContents object which accesses the content in the cache and its properties.
int	getVersion() Returns the version number of this version.
boolean	hasContent() Returns true if this version exists.

Method Detail

getVersion

int getVersion()

Returns the version number of this version.

Returns:

the current version

hasContent

boolean hasContent()

Returns true if this version exists. For the current version, this is equivalent to RepositoryNode.hasContent()

getContentSize

long getContentSize()

Returns the content of this content version

Returns:

size

Throws:

OldLockssRepository.RepositoryStateException

getNodeContents

RepositoryNode.RepositoryNodeContents getNodeContents()

Return a RepositoryNodeContents object which accesses the content in the cache and its properties. Throws if called on a content-less or inactive node.

Returns:

an RepositoryNode.RepositoryNodeContents object from which the contents of the cache can be read.

Throws:

OldLockssRepository.RepositoryStateException