本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.BlockStoragePolicy.isCopyOnCreateFile方法的典型用法代码示例。如果您正苦于以下问题：Java BlockStoragePolicy.isCopyOnCreateFile方法的具体用法？Java BlockStoragePolicy.isCopyOnCreateFile怎么用？Java BlockStoragePolicy.isCopyOnCreateFile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.protocol.BlockStoragePolicy的用法示例。
在下文中一共展示了BlockStoragePolicy.isCopyOnCreateFile方法的2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: setNewINodeStoragePolicy
import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy; //导入方法依赖的package包/类
private void setNewINodeStoragePolicy(INodeFile inode,
INodesInPath iip,
boolean isLazyPersist)
throws IOException {
if (isLazyPersist) {
BlockStoragePolicy lpPolicy =
blockManager.getStoragePolicy("LAZY_PERSIST");
// Set LAZY_PERSIST storage policy if the flag was passed to
// CreateFile.
if (lpPolicy == null) {
throw new HadoopIllegalArgumentException(
"The LAZY_PERSIST storage policy has been disabled " +
"by the administrator.");
}
inode.setStoragePolicyID(lpPolicy.getId(),
iip.getLatestSnapshotId());
} else {
BlockStoragePolicy effectivePolicy =
blockManager.getStoragePolicy(inode.getStoragePolicyID());
if (effectivePolicy != null &&
effectivePolicy.isCopyOnCreateFile()) {
// Copy effective policy from ancestor directory to current file.
inode.setStoragePolicyID(effectivePolicy.getId(),
iip.getLatestSnapshotId());
}
}
}
示例2: setNewINodeStoragePolicy
import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy; //导入方法依赖的package包/类
private static void setNewINodeStoragePolicy(BlockManager bm, INodeFile
inode, INodesInPath iip, boolean isLazyPersist)
throws IOException {
if (isLazyPersist) {
BlockStoragePolicy lpPolicy =
bm.getStoragePolicy("LAZY_PERSIST");
// Set LAZY_PERSIST storage policy if the flag was passed to
// CreateFile.
if (lpPolicy == null) {
throw new HadoopIllegalArgumentException(
"The LAZY_PERSIST storage policy has been disabled " +
"by the administrator.");
}
inode.setStoragePolicyID(lpPolicy.getId(),
iip.getLatestSnapshotId());
} else {
BlockStoragePolicy effectivePolicy =
bm.getStoragePolicy(inode.getStoragePolicyID());
if (effectivePolicy != null &&
effectivePolicy.isCopyOnCreateFile()) {
// Copy effective policy from ancestor directory to current file.
inode.setStoragePolicyID(effectivePolicy.getId(),
iip.getLatestSnapshotId());
}
}
}