本文整理汇总了Java中org.apache.hadoop.hdfs.server.common.HdfsServerConstants.ReplicaState方法的典型用法代码示例。如果您正苦于以下问题：Java HdfsServerConstants.ReplicaState方法的具体用法？Java HdfsServerConstants.ReplicaState怎么用？Java HdfsServerConstants.ReplicaState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.server.common.HdfsServerConstants的用法示例。
在下文中一共展示了HdfsServerConstants.ReplicaState方法的4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: ReplicaUnderConstruction
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants; //导入方法依赖的package包/类
ReplicaUnderConstruction(Block block,
DatanodeStorageInfo target,
HdfsServerConstants.ReplicaState state) {
super(block);
this.expectedLocation = target;
this.state = state;
this.chosenAsPrimary = false;
}
示例2: waitForTempReplica
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants; //导入方法依赖的package包/类
private void waitForTempReplica(Block bl, int DN_N1) throws IOException {
final boolean tooLongWait = false;
final int TIMEOUT = 40000;
if(LOG.isDebugEnabled()) {
LOG.debug("Wait for datanode " + DN_N1 + " to appear");
}
while (cluster.getDataNodes().size() <= DN_N1) {
waitTil(20);
}
if(LOG.isDebugEnabled()) {
LOG.debug("Total number of DNs " + cluster.getDataNodes().size());
}
cluster.waitActive();
// Look about specified DN for the replica of the block from 1st DN
final DataNode dn1 = cluster.getDataNodes().get(DN_N1);
String bpid = cluster.getNamesystem().getBlockPoolId();
Replica r = DataNodeTestUtils.fetchReplicaInfo(dn1, bpid, bl.getBlockId());
long start = Time.monotonicNow();
int count = 0;
while (r == null) {
waitTil(5);
r = DataNodeTestUtils.fetchReplicaInfo(dn1, bpid, bl.getBlockId());
long waiting_period = Time.monotonicNow() - start;
if (count++ % 100 == 0)
if(LOG.isDebugEnabled()) {
LOG.debug("Has been waiting for " + waiting_period + " ms.");
}
if (waiting_period > TIMEOUT)
assertTrue("Was waiting too long to get ReplicaInfo from a datanode",
tooLongWait);
}
HdfsServerConstants.ReplicaState state = r.getState();
if(LOG.isDebugEnabled()) {
LOG.debug("Replica state before the loop " + state.getValue());
}
start = Time.monotonicNow();
while (state != HdfsServerConstants.ReplicaState.TEMPORARY) {
waitTil(5);
state = r.getState();
if(LOG.isDebugEnabled()) {
LOG.debug("Keep waiting for " + bl.getBlockName() +
" is in state " + state.getValue());
}
if (Time.monotonicNow() - start > TIMEOUT)
assertTrue("Was waiting too long for a replica to become TEMPORARY",
tooLongWait);
}
if(LOG.isDebugEnabled()) {
LOG.debug("Replica state after the loop " + state.getValue());
}
}
示例3: getState
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants; //导入方法依赖的package包/类
/**
* Get replica state as reported by the data-node.
*/
HdfsServerConstants.ReplicaState getState() {
return state;
}
示例4: setState
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants; //导入方法依赖的package包/类
/**
* Set replica state.
*/
void setState(HdfsServerConstants.ReplicaState s) {
state = s;
}