@Override
public void start() throws CacheLoaderException {
final Marshaller marshaller;
if (configuration.marshaller() != null) {
marshaller =
Util.getInstance(
configuration.marshaller(), ctx.getCache().getCacheConfiguration().classLoader());
} else if (configuration.hotRodWrapping()) {
marshaller = new HotRodEntryMarshaller(ctx.getByteBufferFactory());
} else if (configuration.rawValues()) {
marshaller = new GenericJBossMarshaller();
} else {
marshaller = ctx.getMarshaller();
}
ConfigurationBuilder builder = buildRemoteConfiguration(configuration, marshaller);
remoteCacheManager = new RemoteCacheManager(builder.build());
if (configuration.remoteCacheName().equals(BasicCacheContainer.DEFAULT_CACHE_NAME))
remoteCache = remoteCacheManager.getCache();
else remoteCache = remoteCacheManager.getCache(configuration.remoteCacheName());
if (configuration.rawValues() && iceFactory == null) {
iceFactory =
ctx.getCache()
.getAdvancedCache()
.getComponentRegistry()
.getComponent(InternalEntryFactory.class);
}
}
@Override
public void init(InitializationContext ctx) {
this.configuration = ctx.getConfiguration();
this.emfRegistry =
ctx.getCache()
.getAdvancedCache()
.getComponentRegistry()
.getGlobalComponentRegistry()
.getComponent(EntityManagerFactoryRegistry.class);
this.marshallerEntryFactory = ctx.getMarshalledEntryFactory();
this.marshaller = ctx.getMarshaller();
this.timeService = ctx.getTimeService();
}
/** Rebuilds the in-memory index from file. */
private void rebuildIndex() throws Exception {
ByteBuffer buf = ByteBuffer.allocate(KEY_POS);
for (; ; ) {
// read FileEntry fields from file (size, keyLen etc.)
buf.clear().limit(KEY_POS);
channel.read(buf, filePos);
// return if end of file is reached
if (buf.remaining() > 0) return;
buf.flip();
// initialize FileEntry from buffer
int entrySize = buf.getInt();
int keyLen = buf.getInt();
int dataLen = buf.getInt();
int metadataLen = buf.getInt();
long expiryTime = buf.getLong();
FileEntry fe = new FileEntry(filePos, entrySize, keyLen, dataLen, metadataLen, expiryTime);
// sanity check
if (fe.size < KEY_POS + fe.keyLen + fe.dataLen + fe.metadataLen) {
throw log.errorReadingFileStore(file.getPath(), filePos);
}
// update file pointer
filePos += fe.size;
// check if the entry is used or free
if (fe.keyLen > 0) {
// load the key from file
if (buf.capacity() < fe.keyLen) buf = ByteBuffer.allocate(fe.keyLen);
buf.clear().limit(fe.keyLen);
channel.read(buf, fe.offset + KEY_POS);
// deserialize key and add to entries map
// Marshaller should allow for provided type return for safety
K key = (K) ctx.getMarshaller().objectFromByteBuffer(buf.array(), 0, fe.keyLen);
entries.put(key, fe);
} else {
// add to free list
freeList.add(fe);
}
}
}