public static LogLevel fromLogLevel(final Level level) {
if (Level.ALL.equals(level)) {
return TRACE;
}
if (Level.TRACE.equals(level)) {
return TRACE;
}
if (Level.DEBUG.equals(level)) {
return DEBUG;
}
if (Level.INFO.equals(level)) {
return INFO;
}
if (Level.WARN.equals(level)) {
return WARN;
}
if (Level.ERROR.equals(level)) {
return ERROR;
}
if (Level.FATAL.equals(level)) {
return FATAL;
}
return UNKNOWN;
}
protected void updateLogLevels(ActionRequest actionRequest) throws Exception {
Enumeration<String> enu = actionRequest.getParameterNames();
while (enu.hasMoreElements()) {
String name = enu.nextElement();
if (name.startsWith("logLevel")) {
String loggerName = name.substring(8);
String priority = ParamUtil.getString(actionRequest, name, Level.INFO.toString());
Log4JUtil.setLevel(loggerName, priority, true);
}
}
}
/** * Atomic write of a single block for a file version. * * @author <a href="mailto:[email protected]">Bryan Thompson</a> */ public class AtomicBlockWriteProc implements ISimpleIndexProcedure<Object>, Externalizable { private static final long serialVersionUID = 4982851251684333327L; protected static transient Logger log = Logger.getLogger(AtomicBlockWriteProc.class); /** True iff the {@link #log} level is INFO or less. */ public static final transient boolean INFO = log.getEffectiveLevel().toInt() <= Level.INFO.toInt(); /** True iff the {@link #log} level is DEBUG or less. */ public static final transient boolean DEBUG = log.getEffectiveLevel().toInt() <= Level.DEBUG.toInt(); private String id; private int version; private long block; private int off; private int len; private byte[] b; @Override public final boolean isReadOnly() { return false; } /** * @param id The file identifier. * @param version The file version. * @param block The block identifier. * @param b The buffer containing the data to be written. * @param off The offset in the buffer of the first byte to be written. * @param len The #of bytes to be written. */ public AtomicBlockWriteProc( BigdataFileSystem repo, String id, int version, long block, byte[] b, int off, int len) { assert id != null && id.length() > 0; assert version >= 0; assert block >= 0 && block <= BigdataFileSystem.MAX_BLOCK; assert b != null; assert off >= 0 : "off=" + off; assert len >= 0 && off + len <= b.length; assert len <= repo.getBlockSize() : "len=" + len + " exceeds blockSize=" + repo.getBlockSize(); this.id = id; this.version = version; this.block = block; this.off = off; this.len = len; this.b = b; } /** * This procedure runs on the unisolated index. The raw data is written directly onto the {@link * Journal} and the index is added/updated using the given file, version and block and the address * of the block's data on the {@link Journal}. * * @return A {@link Boolean} whose value is <code>true</code> iff the block was overwritten. */ @Override public Object apply(final IIndex ndx) { // tunnel through to the backing journal. final AbstractJournal journal = (AbstractJournal) ((AbstractBTree) ndx).getStore(); // obtain the thread-local key builder for that journal. final IKeyBuilder keyBuilder = ndx.getIndexMetadata().getKeyBuilder(); /* * Write the block on the journal, obtaining the address at which it * was written - use 0L as the address for an empty block. */ final long addr = len == 0 ? 0L : journal.write(ByteBuffer.wrap(b, off, len)); // form the key for the index entry for this block. final byte[] key = keyBuilder .reset() .appendText(id, true /* unicode */, false /* successor */) .append(version) .append(block) .getKey(); // record the address of the block in the index. final boolean overwrite; { final DataOutputBuffer out = new DataOutputBuffer(Bytes.SIZEOF_LONG); // encode the value for the entry. out.reset().putLong(addr); final byte[] val = out.toByteArray(); // insert the entry into the index. overwrite = ndx.insert(key, val) != null; } log.info( "Wrote " + len + " bytes : id=" + id + ", version=" + version + ", block#=" + block + " @ addr" + journal.toString(addr) + ", overwrite=" + overwrite); return Boolean.valueOf(overwrite); } @Override public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException { id = in.readUTF(); version = in.readInt(); block = in.readLong(); off = 0; // Note: offset always zero when de-serialized. len = in.readInt(); b = new byte[len]; in.readFully(b); } @Override public void writeExternal(final ObjectOutput out) throws IOException { out.writeUTF(id); out.writeInt(version); out.writeLong(block); /* * Note: offset not written when serialized and always zero when * de-serialized. */ out.writeInt(len); /* length */ out.write(b, off, len); /* data */ } }