本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.DeleteOp类的典型用法代码示例。如果您正苦于以下问题：Java DeleteOp类的具体用法？Java DeleteOp怎么用？Java DeleteOp使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
DeleteOp类属于org.apache.hadoop.hdfs.server.namenode.FSEditLogOp包，在下文中一共展示了DeleteOp类的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: addTransactionsToLog
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.DeleteOp; //导入依赖的package包/类
@Override
public void addTransactionsToLog(EditLogOutputStream elos,
OpInstanceCache cache) throws IOException {
for (long txid = 1; txid <= MAX_TXID; txid++) {
if (txid == BAD_TXID) {
byte garbage[] = { 0x1, 0x2, 0x3 };
elos.writeRaw(garbage, 0, garbage.length);
}
else {
DeleteOp op;
op = DeleteOp.getInstance(cache);
op.setTransactionId(txid);
op.setPath("/foo." + txid);
op.setTimestamp(txid);
elos.write(op);
}
}
}
示例2: createNotification
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.DeleteOp; //导入依赖的package包/类
/**
* Converts a Transaction Log operation into a NamespaceNotification
* object.
* @param op the Transaction Log operation.
* @return the NamespaceNotification object or null if the type of
* the operation isn't supported to be transformed into a
* NamespaceNotification.
*/
static NamespaceNotification createNotification(FSEditLogOp op) {
switch (op.opCode) {
case OP_ADD:
return new NamespaceNotification(((AddOp)op).path,
EventType.FILE_ADDED.getByteValue(), op.getTransactionId());
case OP_CLOSE:
return new NamespaceNotification(((CloseOp)op).path,
EventType.FILE_CLOSED.getByteValue(), op.getTransactionId());
case OP_DELETE:
return new NamespaceNotification(((DeleteOp)op).path,
EventType.NODE_DELETED.getByteValue(), op.getTransactionId());
case OP_MKDIR:
return new NamespaceNotification(((MkdirOp)op).path,
EventType.DIR_ADDED.getByteValue(), op.getTransactionId());
default:
return null;
}
}
示例3: logDelete
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.DeleteOp; //导入依赖的package包/类
/**
* Add delete file record to edit log
*/
void logDelete(String src, long timestamp, boolean toLogRpcIds) {
DeleteOp op = DeleteOp.getInstance(cache.get())
.setPath(src)
.setTimestamp(timestamp);
logRpcIds(op, toLogRpcIds);
logEdit(op);
}
示例4: addDeleteOpcode
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.DeleteOp; //导入依赖的package包/类
static void addDeleteOpcode(EditLogOutputStream elos,
OpInstanceCache cache, long txId, String path) throws IOException {
DeleteOp op = DeleteOp.getInstance(cache);
op.setTransactionId(txId);
op.setPath(path);
op.setTimestamp(0);
elos.write(op);
}