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Berkeley DB version 4.4.20 |
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java.lang.Object com.sleepycat.db.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. |
Method Summary | |
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 |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public LogSequenceNumber(int file, int offset)
file
- The log file number.
offset
- The log file offset.public LogSequenceNumber()
Method Detail |
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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Berkeley DB version 4.4.20 |
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