protected void hook619(boolean updateGeneration) throws DatabaseException {
if (latch.acquireNoWait()) {
original(updateGeneration);
} else {
throw new ReturnBoolean(false);
}
}
/** Latch this node, optionally setting the generation. */
public void latch(boolean updateGeneration) throws DatabaseException {
original(updateGeneration);
latch.acquire();
}
/** @return true if this thread holds the IN's latch */
public boolean isLatchOwner() {
return latch.isOwner();
}
/** Release the latch on this node. */
public void releaseLatchIfOwner() throws LatchNotHeldException {
latch.releaseIfOwner();
}
/** Release the latch on this node. */
public void releaseLatch() throws LatchNotHeldException {
latch.release();
}
/** @see LogReadable#readFromLog */
public void readFromLog(ByteBuffer itemBuffer, byte entryTypeVersion) throws LogException {
original(itemBuffer, entryTypeVersion);
latch.setName(shortClassName() + getNodeId());
}