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java.lang.Objectcom.sleepycat.je.tree.BINDelta
public class BINDelta
BINDelta contains the information needed to create a partial (delta) BIN log entry. It also knows how to combine a full BIN log entry and a delta to generate a new BIN.
Constructor Summary | |
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BINDelta()
For instantiating from the log. |
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BINDelta(BIN bin)
Read a BIN and create the deltas. |
Method Summary | |
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void |
dumpLog(StringBuilder sb,
boolean verbose)
Write the object into the string buffer for log dumping. |
DatabaseId |
getDbId()
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long |
getLastFullLsn()
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int |
getLogSize()
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(package private) int |
getNumDeltas()
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long |
getTransactionId()
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boolean |
logicalEquals(Loggable other)
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void |
readFromLog(ByteBuffer itemBuffer,
int entryVersion)
Initialize this object from the data in itemBuf. |
BIN |
reconstituteBIN(EnvironmentImpl env)
Create a BIN by starting with the full version and applying the deltas. |
void |
writeToLog(ByteBuffer logBuffer)
Serialize this object into the buffer. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public BINDelta(BIN bin)
public BINDelta()
Method Detail |
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int getNumDeltas()
public DatabaseId getDbId()
public long getLastFullLsn()
public BIN reconstituteBIN(EnvironmentImpl env) throws DatabaseException
DatabaseException
public int getLogSize()
getLogSize
in interface Loggable
public void writeToLog(ByteBuffer logBuffer)
Loggable
writeToLog
in interface Loggable
logBuffer
- is the destination bufferpublic void readFromLog(ByteBuffer itemBuffer, int entryVersion)
Loggable
readFromLog
in interface Loggable
public void dumpLog(StringBuilder sb, boolean verbose)
Loggable
dumpLog
in interface Loggable
sb
- destination string bufferverbose
- if true, dump the full, verbose versionpublic long getTransactionId()
getTransactionId
in interface Loggable
Loggable.getTransactionId()
public boolean logicalEquals(Loggable other)
logicalEquals
in interface Loggable
Always return false, this item should never be compared.
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