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java.lang.Objectcom.sleepycat.je.evictor.TargetSelector
com.sleepycat.je.evictor.PrivateSelector
class PrivateSelector
The standard eviction selector that operates on the INList for a single environment. A single iterator over the INList is used to implement getNextIN.
Nested Class Summary |
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Nested classes/interfaces inherited from class com.sleepycat.je.evictor.TargetSelector |
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TargetSelector.EvictProfile, TargetSelector.ScanInfo, TargetSelector.SetupInfo |
Field Summary |
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Fields inherited from class com.sleepycat.je.evictor.TargetSelector |
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stats |
Constructor Summary | |
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PrivateSelector(EnvironmentImpl envImpl)
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Method Summary | |
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void |
addEnvironment(EnvironmentImpl unused)
Only supported by SharedSelector. |
boolean |
checkEnv(EnvironmentImpl env)
Only supported by SharedSelector. |
(package private) StatGroup |
getINListStats(StatsConfig config)
Return stats for the single INList covered by this evictor. |
(package private) IN |
getNextIN()
Returns the next IN, wrapping if necessary. |
(package private) Iterator<IN> |
getScanIterator()
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StatGroup |
loadStats(StatsConfig config)
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void |
noteINListChange(int nINs)
Do nothing. |
void |
removeEnvironment(EnvironmentImpl unused)
Only supported by SharedSelector. |
(package private) void |
setScanIterator(Iterator<IN> iter)
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(package private) TargetSelector.SetupInfo |
startBatch(boolean doSpecialEviction)
Initializes the iterator, and performs special eviction once per batch. |
Methods inherited from class com.sleepycat.je.evictor.TargetSelector |
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normalizeLevel, selectIN |
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 PrivateSelector(EnvironmentImpl envImpl) throws DatabaseException
DatabaseException
Method Detail |
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public StatGroup loadStats(StatsConfig config)
loadStats
in class TargetSelector
public void noteINListChange(int nINs)
noteINListChange
in class TargetSelector
TargetSelector.SetupInfo startBatch(boolean doSpecialEviction) throws DatabaseException
startBatch
in class TargetSelector
doSpecialEviction
- Do non-tree eviction, such as flushing the
UtilizationProfile. Since special eviction is serialized, and does
require I/O, some callers may not want to be blocked doing this
DatabaseException
IN getNextIN()
getNextIN
in class TargetSelector
StatGroup getINListStats(StatsConfig config)
getINListStats
in class TargetSelector
Iterator<IN> getScanIterator()
getScanIterator
in class TargetSelector
void setScanIterator(Iterator<IN> iter)
setScanIterator
in class TargetSelector
public void addEnvironment(EnvironmentImpl unused)
addEnvironment
in class TargetSelector
public void removeEnvironment(EnvironmentImpl unused)
removeEnvironment
in class TargetSelector
public boolean checkEnv(EnvironmentImpl env)
checkEnv
in class TargetSelector
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