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java.lang.Objectcom.sleepycat.db.LogSequenceNumber
public class LogSequenceNumber
The LogSequenceNumber object is a log sequence number which specifies a unique location in a log file. A LogSequenceNumber consists of two unsigned 32-bit integers -- one specifies the log file number, and the other specifies the offset in the log file.
| Constructor Summary | |
|---|---|
LogSequenceNumber()
Construct an uninitialized LogSequenceNumber. |
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LogSequenceNumber(int file,
int offset)
Construct a LogSequenceNumber with the specified file and offset. |
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| Method Summary | |
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static int |
compare(LogSequenceNumber lsn0,
LogSequenceNumber lsn1)
Compare two LogSequenceNumber objects. |
int |
getFile()
Return the file number component of the LogSequenceNumber. |
int |
getOffset()
Return the file offset component of the LogSequenceNumber. |
| Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public LogSequenceNumber(int file,
int offset)
file - The log file number.
offset - The log file offset.public LogSequenceNumber()
| Method Detail |
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public int getFile()
public int getOffset()
public static int compare(LogSequenceNumber lsn0,
LogSequenceNumber lsn1)
This method returns 0 if the two LogSequenceNumber objects are equal, 1 if lsn0 is greater than lsn1, and -1 if lsn0 is less than lsn1.
lsn0 - One of the LogSequenceNumber objects to be compared.
lsn1 - One of the LogSequenceNumber objects to be compared.
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