本文整理汇总了Java中org.apache.hadoop.hdfs.util.LightWeightHashSet.isEmpty方法的典型用法代码示例。如果您正苦于以下问题：Java LightWeightHashSet.isEmpty方法的具体用法？Java LightWeightHashSet.isEmpty怎么用？Java LightWeightHashSet.isEmpty使用的例子？那么, 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.util.LightWeightHashSet的用法示例。
在下文中一共展示了LightWeightHashSet.isEmpty方法的6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: removeFromExcessReplicateMap
import org.apache.hadoop.hdfs.util.LightWeightHashSet; //导入方法依赖的package包/类
/**
* If a block is removed from blocksMap, remove it from excessReplicateMap.
*/
private void removeFromExcessReplicateMap(BlockInfo block) {
for (DatanodeStorageInfo info : blocksMap.getStorages(block)) {
String uuid = info.getDatanodeDescriptor().getDatanodeUuid();
LightWeightHashSet<BlockInfo> excessReplicas =
excessReplicateMap.get(uuid);
if (excessReplicas != null) {
if (excessReplicas.remove(block)) {
excessBlocksCount.decrementAndGet();
if (excessReplicas.isEmpty()) {
excessReplicateMap.remove(uuid);
}
}
}
}
}
示例2: invalidateWork
import org.apache.hadoop.hdfs.util.LightWeightHashSet; //导入方法依赖的package包/类
private synchronized List<Block> invalidateWork(
final String storageId, final DatanodeDescriptor dn) {
final LightWeightHashSet<Block> set = node2blocks.get(storageId);
if (set == null) {
return null;
}
// # blocks that can be sent in one message is limited
final int limit = datanodeManager.blockInvalidateLimit;
final List<Block> toInvalidate = set.pollN(limit);
// If we send everything in this message, remove this node entry
if (set.isEmpty()) {
remove(storageId);
}
dn.addBlocksToBeInvalidated(toInvalidate);
numBlocks -= toInvalidate.size();
return toInvalidate;
}
示例3: remove
import org.apache.hadoop.hdfs.util.LightWeightHashSet; //导入方法依赖的package包/类
/** Remove the block from the specified storage. */
synchronized void remove(final DatanodeInfo dn, final Block block) {
final LightWeightHashSet<Block> v = node2blocks.get(dn);
if (v != null && v.remove(block)) {
numBlocks--;
if (v.isEmpty()) {
node2blocks.remove(dn);
}
}
}
示例4: invalidateWork
import org.apache.hadoop.hdfs.util.LightWeightHashSet; //导入方法依赖的package包/类
synchronized List<Block> invalidateWork(final DatanodeDescriptor dn) {
final long delay = getInvalidationDelay();
if (delay > 0) {
if (BlockManager.LOG.isDebugEnabled()) {
BlockManager.LOG
.debug("Block deletion is delayed during NameNode startup. "
+ "The deletion will start after " + delay + " ms.");
}
return null;
}
final LightWeightHashSet<Block> set = node2blocks.get(dn);
if (set == null) {
return null;
}
// # blocks that can be sent in one message is limited
final int limit = blockInvalidateLimit;
final List<Block> toInvalidate = set.pollN(limit);
// If we send everything in this message, remove this node entry
if (set.isEmpty()) {
remove(dn);
}
dn.addBlocksToBeInvalidated(toInvalidate);
numBlocks -= toInvalidate.size();
return toInvalidate;
}
示例5: invalidateWork
import org.apache.hadoop.hdfs.util.LightWeightHashSet; //导入方法依赖的package包/类
synchronized List<Block> invalidateWork(final DatanodeDescriptor dn) {
final long delay = getInvalidationDelay();
if (delay > 0) {
if (BlockManager.LOG.isDebugEnabled()) {
BlockManager.LOG
.debug("Block deletion is delayed during NameNode startup. "
+ "The deletion will start after " + delay + " ms.");
}
return null;
}
final LightWeightHashSet<Block> set = node2blocks.get(dn);
if (set == null) {
return null;
}
// # blocks that can be sent in one message is limited
final int limit = blockInvalidateLimit;
final List<Block> toInvalidate = set.pollN(limit);
// If we send everything in this message, remove this node entry
if (set.isEmpty()) {
remove(dn);
}
dn.addBlocksToBeInvalidated(toInvalidate);
numBlocks -= toInvalidate.size();
return toInvalidate;
}
示例6: remove
import org.apache.hadoop.hdfs.util.LightWeightHashSet; //导入方法依赖的package包/类
/** Remove the block from the specified storage. */
synchronized void remove(final String storageID, final Block block) {
final LightWeightHashSet<Block> v = node2blocks.get(storageID);
if (v != null && v.remove(block)) {
numBlocks--;
if (v.isEmpty()) {
node2blocks.remove(storageID);
}
}
}