public final class MapLN extends LN
LN.LNWriteFailureException
NULL_NODE_ID
Constructor and Description |
---|
MapLN()
Create an empty MapLN, to be filled in from the log.
|
MapLN(DatabaseImpl db)
Create a new MapLn to hold a new databaseImpl.
|
Modifier and Type | Method and Description |
---|---|
java.lang.String |
beginTag() |
protected void |
dumpLogAdditional(java.lang.StringBuilder sb,
boolean verbose)
Dump additional fields.
|
java.lang.String |
dumpString(int nSpaces,
boolean dumpTags) |
java.lang.String |
endTag() |
DatabaseImpl |
getDatabase() |
int |
getLogSize() |
protected LogEntryType |
getLogType(boolean isInsert,
boolean isTransactional)
Return the correct log entry type for a MapLN depends on whether it's
transactional.
|
long |
getMemorySizeIncludedByParent()
Compute the approximate size of this node in memory for evictor
invocation purposes.
|
boolean |
isDeleted() |
(package private) boolean |
isEvictable(long lsn)
Does a guaranteed check by acquiring the write-lock and then calling
isEvictableInexact.
|
(package private) boolean |
isEvictableInexact()
Does a fast check without acquiring the MapLN write-lock.
|
boolean |
logicalEquals(Loggable other) |
(package private) void |
makeDeleted() |
void |
postFetchInit(DatabaseImpl db,
long sourceLsn)
Initialize a node that has been faulted in from the log.
|
void |
readFromLog(java.nio.ByteBuffer itemBuffer,
int entryVersion)
Initialize this object from the data in itemBuf.
|
void |
releaseMemoryBudget()
Release the memory budget for any objects referenced by this
LN.
|
java.lang.String |
toString()
Default toString method at the root of the tree.
|
void |
writeToLog(java.nio.ByteBuffer logBuffer)
Serialize this object into the buffer.
|
accountForDeferredWriteSubtreeRemoval, accountForSubtreeRemoval, addExtraMarshaledMemorySize, copyEntryData, createLogEntry, delete, dumpKey, dumpLog, getData, getGenericLogType, getLastLoggedSize, getVLSNSequence, incFetchStats, isDirty, isLN, isValidForDelete, log, log, makeLN, makeLN, modify, optionalLog, optionalLogProvisional, rebuildINList, resolvePartialEntry, setDirty, setEmpty, setEntry, setEntry, setLastLoggedSize, setVLSNSequence
containsDuplicates, dump, getLevel, getTransactionId, getType, isBIN, isCompressible, isIN, latchShared, latchShared, releaseLatch, verify
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
getTransactionId
public MapLN(DatabaseImpl db)
public MapLN()
void makeDeleted()
makeDeleted
in class LN
public DatabaseImpl getDatabase()
boolean isEvictableInexact()
isEvictableInexact
in class LN
boolean isEvictable(long lsn) throws DatabaseException
isEvictable
in class LN
DatabaseException
- from subclasses.public void postFetchInit(DatabaseImpl db, long sourceLsn)
postFetchInit
in class Node
public long getMemorySizeIncludedByParent()
getMemorySizeIncludedByParent
in class LN
public void releaseMemoryBudget()
LN
releaseMemoryBudget
in class LN
LN.releaseMemoryBudget()
public java.lang.String toString()
Node
public java.lang.String dumpString(int nSpaces, boolean dumpTags)
dumpString
in class LN
protected LogEntryType getLogType(boolean isInsert, boolean isTransactional)
getLogType
in class LN
public int getLogSize()
getLogSize
in interface Loggable
getLogSize
in class LN
LN.getLogSize()
public void writeToLog(java.nio.ByteBuffer logBuffer)
Loggable
writeToLog
in interface Loggable
writeToLog
in class LN
logBuffer
- is the destination bufferLN.writeToLog(java.nio.ByteBuffer)
public void readFromLog(java.nio.ByteBuffer itemBuffer, int entryVersion)
Loggable
readFromLog
in interface Loggable
readFromLog
in class LN
LN.readFromLog(java.nio.ByteBuffer, int)
public boolean logicalEquals(Loggable other)
logicalEquals
in interface Loggable
logicalEquals
in class LN
Should never be replicated.
protected void dumpLogAdditional(java.lang.StringBuilder sb, boolean verbose)
dumpLogAdditional
in class LN
Copyright (c) 2004-2012 Oracle. All rights reserved.