/** Store block invalidation work. */
void addBlocksToBeInvalidated(List<Block> blocklist) {
assert (blocklist != null && blocklist.size() > 0);
synchronized (invalidateBlocks) {
for (Block blk : blocklist) {
invalidateBlocks.add(blk);
}
}
}
/** Add a block to the block collection which will be invalidated on the specified datanode. */
synchronized void add(final Block block, final DatanodeInfo datanode, final boolean log) {
LightWeightHashSet<Block> set = node2blocks.get(datanode);
if (set == null) {
set = new LightWeightHashSet<Block>();
node2blocks.put(datanode, set);
}
if (set.add(block)) {
numBlocks++;
if (log) {
NameNode.blockStateChangeLog.info(
"BLOCK* " + getClass().getSimpleName() + ": add " + block + " to " + datanode);
}
}
}