本文整理汇总了Java中org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.getPendingCached方法的典型用法代码示例。如果您正苦于以下问题：Java DatanodeDescriptor.getPendingCached方法的具体用法？Java DatanodeDescriptor.getPendingCached怎么用？Java DatanodeDescriptor.getPendingCached使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor的用法示例。
在下文中一共展示了DatanodeDescriptor.getPendingCached方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: processCacheReportImpl
import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor; //导入方法依赖的package包/类
private void processCacheReportImpl(final DatanodeDescriptor datanode,
final List<Long> blockIds) {
CachedBlocksList cached = datanode.getCached();
cached.clear();
CachedBlocksList cachedList = datanode.getCached();
CachedBlocksList pendingCachedList = datanode.getPendingCached();
for (Iterator<Long> iter = blockIds.iterator(); iter.hasNext(); ) {
long blockId = iter.next();
LOG.trace("Cache report from datanode {} has block {}", datanode,
blockId);
CachedBlock cachedBlock =
new CachedBlock(blockId, (short)0, false);
CachedBlock prevCachedBlock = cachedBlocks.get(cachedBlock);
// Add the block ID from the cache report to the cachedBlocks map
// if it's not already there.
if (prevCachedBlock != null) {
cachedBlock = prevCachedBlock;
} else {
cachedBlocks.put(cachedBlock);
LOG.trace("Added block {} to cachedBlocks", cachedBlock);
}
// Add the block to the datanode's implicit cached block list
// if it's not already there. Similarly, remove it from the pending
// cached block list if it exists there.
if (!cachedBlock.isPresent(cachedList)) {
cachedList.add(cachedBlock);
LOG.trace("Added block {} to CACHED list.", cachedBlock);
}
if (cachedBlock.isPresent(pendingCachedList)) {
pendingCachedList.remove(cachedBlock);
LOG.trace("Removed block {} from PENDING_CACHED list.", cachedBlock);
}
}
}