/*
* @see org.alfresco.repo.content.ContentStore#delete(java.lang.String)
*/
@Override
public boolean delete(String contentUrl) {
ReentrantReadWriteLock readWriteLock = readWriteLock(contentUrl);
ReadLock readLock = readWriteLock.readLock();
readLock.lock();
try {
if (!cache.contains(contentUrl)) {
// The item isn't in the cache, so simply delete from the backing store
return backingStore.delete(contentUrl);
}
} finally {
readLock.unlock();
}
WriteLock writeLock = readWriteLock.writeLock();
writeLock.lock();
try {
// Double check the content still exists in the cache
if (cache.contains(contentUrl)) {
// The item is in the cache, so remove.
cache.remove(contentUrl);
}
// Whether the item was in the cache or not, it must still be deleted from the backing store.
return backingStore.delete(contentUrl);
} finally {
writeLock.unlock();
}
}
/*
* @see org.alfresco.repo.content.ContentStore#getWriter(org.alfresco.repo.content.ContentContext)
*/
@Override
public ContentWriter getWriter(final ContentContext context) {
if (cacheOnInbound) {
final ContentWriter bsWriter = backingStore.getWriter(context);
// write to cache
final ContentWriter cacheWriter = cache.getWriter(bsWriter.getContentUrl());
cacheWriter.addListener(
new ContentStreamListener() {
@Override
public void contentStreamClosed() throws ContentIOException {
// Finished writing to the cache, so copy to the backing store -
// ensuring that the encoding attributes are set to the same as for the cache writer.
bsWriter.setEncoding(cacheWriter.getEncoding());
bsWriter.setLocale(cacheWriter.getLocale());
bsWriter.setMimetype(cacheWriter.getMimetype());
bsWriter.putContent(cacheWriter.getReader());
}
});
return cacheWriter;
} else {
// No need to invalidate the cache for this content URL, since a content URL
// is only ever written to once.
return backingStore.getWriter(context);
}
}
public void testProtectedRemoval() throws Exception {
cleaner.setProtectDays(1);
// add some content to the store
ContentWriter writer = store.getWriter(ContentStore.NEW_CONTENT_CONTEXT);
writer.putContent("ABC");
String contentUrl = writer.getContentUrl();
// fire the cleaner
cleaner.execute();
// the content should have disappeared as it is not in the database
assertTrue("Protected content was deleted", store.exists(contentUrl));
assertFalse(
"Content listener was called with deletion of protected URL",
deletedUrls.contains(contentUrl));
}
private ContentReader attemptCacheAndRead(String url) {
ContentReader reader = null;
try {
if (!cache.contains(url)) {
if (cache.put(url, backingStore.getReader(url))) {
reader = cache.getReader(url);
}
} else {
reader = cache.getReader(url);
}
} catch (CacheMissException e) {
cache.remove(url);
}
return reader;
}
private ContentReader cacheAndRead(String url) {
WriteLock writeLock = readWriteLock(url).writeLock();
writeLock.lock();
try {
for (int i = 0; i < maxCacheTries; i++) {
ContentReader reader = attemptCacheAndRead(url);
if (reader != null) {
return reader;
}
}
// Have tried multiple times to cache the item and read it back from the cache
// but there is a recurring problem - give up and return the item from the backing store.
return backingStore.getReader(url);
} finally {
writeLock.unlock();
}
}
/*
* @see org.alfresco.repo.content.ContentStore#getSpaceUsed()
*/
@Override
public long getSpaceUsed() {
return backingStore.getSpaceUsed();
}
/*
* @see org.alfresco.repo.content.ContentStore#getTotalSize()
*/
@Override
public long getTotalSize() {
return backingStore.getTotalSize();
}
/*
* @see org.alfresco.repo.content.ContentStore#isWriteSupported()
*/
@Override
public boolean isWriteSupported() {
return backingStore.isWriteSupported();
}
/*
* @see org.alfresco.repo.content.ContentStore#isContentUrlSupported(java.lang.String)
*/
@Override
public boolean isContentUrlSupported(String contentUrl) {
return backingStore.isContentUrlSupported(contentUrl);
}
/*
* @see org.alfresco.repo.content.ContentStore#getUrls(java.util.Date, java.util.Date, org.alfresco.repo.content.ContentStore.ContentUrlHandler)
*/
@Override
public void getUrls(Date createdAfter, Date createdBefore, ContentUrlHandler handler)
throws ContentIOException {
backingStore.getUrls(createdAfter, createdBefore, handler);
}
/*
* @see org.alfresco.repo.content.ContentStore#getUrls(org.alfresco.repo.content.ContentStore.ContentUrlHandler)
*/
@Override
public void getUrls(ContentUrlHandler handler) throws ContentIOException {
backingStore.getUrls(handler);
}
/*
* @see org.alfresco.repo.content.ContentStore#exists(java.lang.String)
*/
@Override
public boolean exists(String contentUrl) {
return backingStore.exists(contentUrl);
}
/*
* @see org.alfresco.repo.content.ContentStore#getRootLocation()
*/
@Override
public String getRootLocation() {
return backingStore.getRootLocation();
}
/*
* @see org.alfresco.repo.content.ContentStore#getSpaceTotal()
*/
@Override
public long getSpaceTotal() {
return backingStore.getSpaceTotal();
}
