/**
* Move a value from one named store to another store
*
* @param key Binary key to transfer from the source store to the destination store
* @param source a hint for discovering the source repository; may be null
* @param destination a hint for discovering the destination repository
* @return the {@link BinaryKey} value of the moved binary, never {@code null}
* @throws BinaryStoreException if a source store cannot be found or the source store does not
* contain the binary key
*/
public BinaryKey moveValue(BinaryKey key, String source, String destination)
throws BinaryStoreException {
final BinaryStore sourceStore;
if (source == null) {
sourceStore = findBinaryStoreContainingKey(key);
} else {
sourceStore = selectBinaryStore(source);
}
// could not find source store, or
if (sourceStore == null || !sourceStore.hasBinary(key)) {
throw new BinaryStoreException(JcrI18n.unableToFindBinaryValue.text(key, sourceStore));
}
BinaryStore destinationStore = selectBinaryStore(destination);
// key is already in the destination store
if (sourceStore.equals(destinationStore)) {
return key;
}
final BinaryValue binaryValue = storeValue(sourceStore.getInputStream(key), destination);
sourceStore.markAsUnused(java.util.Collections.singleton(key));
return binaryValue.getKey();
}
@Override
public InputStream getInputStream(BinaryKey key) throws BinaryStoreException {
Iterator<Map.Entry<String, BinaryStore>> it = getNamedStoreIterator();
while (it.hasNext()) {
final Map.Entry<String, BinaryStore> entry = it.next();
final String binaryStoreKey = entry.getKey();
BinaryStore binaryStore = entry.getValue();
logger.trace("Checking binary store " + binaryStoreKey + " for key " + key);
try {
return binaryStore.getInputStream(key);
} catch (BinaryStoreException e) {
// this exception is "normal", and is thrown
logger.trace(e, "The named store " + binaryStoreKey + " raised exception");
}
}
throw new BinaryStoreException(JcrI18n.unableToFindBinaryValue.text(key, this.toString()));
}
