本文整理汇总了Java中org.apache.hadoop.util.Waitable.getVal方法的典型用法代码示例。如果您正苦于以下问题：Java Waitable.getVal方法的具体用法？Java Waitable.getVal怎么用？Java Waitable.getVal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.util.Waitable的用法示例。
在下文中一共展示了Waitable.getVal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: purge
import org.apache.hadoop.util.Waitable; //导入方法依赖的package包/类
/**
* Purge a replica from the cache.
*
* This doesn't necessarily close the replica, since there may be
* outstanding references to it. However, it does mean the cache won't
* hand it out to anyone after this.
*
* You must hold the cache lock while calling this function.
*
* @param replica The replica being removed.
*/
private void purge(ShortCircuitReplica replica) {
boolean removedFromInfoMap = false;
String evictionMapName = null;
Preconditions.checkArgument(!replica.purged);
replica.purged = true;
Waitable<ShortCircuitReplicaInfo> val = replicaInfoMap.get(replica.key);
if (val != null) {
ShortCircuitReplicaInfo info = val.getVal();
if ((info != null) && (info.getReplica() == replica)) {
replicaInfoMap.remove(replica.key);
removedFromInfoMap = true;
}
}
Long evictableTimeNs = replica.getEvictableTimeNs();
if (evictableTimeNs != null) {
evictionMapName = removeEvictable(replica);
}
if (LOG.isTraceEnabled()) {
StringBuilder builder = new StringBuilder();
builder.append(this).append(": ").append(": purged ").
append(replica).append(" from the cache.");
if (removedFromInfoMap) {
builder.append(" Removed from the replicaInfoMap.");
}
if (evictionMapName != null) {
builder.append(" Removed from ").append(evictionMapName);
}
LOG.trace(builder.toString());
}
unref(replica);
}