org.fcrepo.kernel.utils

Class LowLevelCacheEntry

java.lang.Object

org.fcrepo.kernel.utils.BasicCacheEntry

org.fcrepo.kernel.utils.LowLevelCacheEntry

All Implemented Interfaces:

org.fcrepo.kernel.utils.CacheEntry

Direct Known Subclasses:

CacheStoreEntry, ChainingCacheStoreEntry, LocalBinaryStoreEntry

public abstract class LowLevelCacheEntry
extends BasicCacheEntry

Manage low-level I/O from a cache store (or, for an ISPN store, a cache loader) in order to report on e.g. fixity.

Author:

Chris Beer

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	DATA_SUFFIX
protected String	externalId
protected org.modeshape.jcr.value.BinaryKey	key

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LowLevelCacheEntry(org.modeshape.jcr.value.BinaryKey key)

Method Summary

Methods

Modifier and Type	Method and Description
String	getExternalId() Return the external identifier.
org.modeshape.jcr.value.BinaryKey	getKey() Get the BinaryKey for this cache entry
void	setExternalId(String externalId) Set a meaningful identifier from some higher level that we should dutifully pass through.
abstract void	storeValue(InputStream stream) Send a raw input stream to the underlying store for this entry; used for fixing e.g.

Methods inherited from class org.fcrepo.kernel.utils.BasicCacheEntry

checkFixity

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.fcrepo.kernel.utils.CacheEntry

getExternalIdentifier, getInputStream

Field Detail

DATA_SUFFIX

protected static final String DATA_SUFFIX

See Also:

Constant Field Values

externalId

protected String externalId

key

protected final org.modeshape.jcr.value.BinaryKey key

Constructor Detail

LowLevelCacheEntry

protected LowLevelCacheEntry(org.modeshape.jcr.value.BinaryKey key)

Method Detail

storeValue

public abstract void storeValue(InputStream stream)
                         throws org.modeshape.jcr.value.binary.BinaryStoreException,
                                IOException

Send a raw input stream to the underlying store for this entry; used for fixing e.g. fixity failures.

Parameters:

stream - binary content to REPLACE the content in the store

Throws:

org.modeshape.jcr.value.binary.BinaryStoreException

IOException

setExternalId

public void setExternalId(String externalId)

Set a meaningful identifier from some higher level that we should dutifully pass through.

Parameters:

externalId - some identifier for the cache store

getExternalId

public String getExternalId()

Return the external identifier.

getKey

public org.modeshape.jcr.value.BinaryKey getKey()

Get the BinaryKey for this cache entry

Returns: