/**
* This <code>setMetadata</code> method is the OA callback to populate a local cache.
*
* @param <code>SystemMetadata</code> are the SystemMetadata extracted from the local fragment
* @param <code>Disk</code> is the disk containing the fragment
* <p>note: this method DEPRECIATED, crawl uses above methods instead. Kept here for reference
* until replacement methods are validated.
*/
public void setMetadata(SystemMetadata systemMD, byte[] MDField, Disk disk) {
if (LOG.isLoggable(Level.FINE)) {
LOG.fine(
"setMetadata has been called for oid " + systemMD.getOID() + " on disk [" + disk + "]");
}
// Precompute the connection
ConnectionFactory.DiskConnection[] connections = new ConnectionFactory.DiskConnection[1];
connections[0] = ConnectionFactory.getConnection(disk);
// Check if the system metadata should be set
ArrayList disks =
MDDiskAbstraction.getInstance((byte) 0)
.getUsedDisksFromMapId(systemMD.getLayoutMapId(), CacheClientInterface.SYSTEM_CACHE);
if (disks.contains(disk)) {
setMetadata(CacheClientInterface.SYSTEM_CACHE, connections, systemMD.getOID(), systemMD);
}
try {
// Find the cacheId
MDHeader header = new MDHeader(MDField);
String cacheId = header.getCacheId();
if (cacheId != null) {
disks =
MDDiskAbstraction.getInstance((byte) 0)
.getUsedDisksFromMapId(systemMD.getLayoutMapId(), cacheId);
if (disks.contains(disk)) {
CacheRecord metadataObject =
CacheManager.getInstance()
.getClientInterface(cacheId)
.generateMetadataObject(systemMD.getOID());
// Set the metadata
setMetadata(cacheId, connections, systemMD.getOID(), metadataObject);
}
}
} catch (IOException e) {
LOG.log(Level.SEVERE, "Failed to update the metadata [" + e.getMessage() + "]", e);
} catch (EMDException e) {
LOG.log(Level.SEVERE, "Failed to update the metadata [" + e.getMessage() + "]", e);
}
}
/** Sets metadata for cacheId on given disk (not system MD) */
private void setExtMetadata(
NewObjectIdentifier oid,
String cacheId,
Disk disk,
ConnectionFactory.DiskConnection[] connections) {
// not all layout disks necessarily used, depends on reduncancy
if (usesDisk(oid.getLayoutMapId(), cacheId, disk)) {
try {
CacheRecord metadataObject =
CacheManager.getInstance().getClientInterface(cacheId).generateMetadataObject(oid);
// Set the metadata
setMetadata(cacheId, connections, oid, metadataObject);
} catch (EMDException e) {
LOG.log(Level.SEVERE, "Failed to update the metadata [" + e.getMessage() + "]", e);
}
}
}