Package org.apache.iotdb.confignode.persistence.schema

Class ConfigMTreeStore

java.lang.Object

org.apache.iotdb.confignode.persistence.schema.ConfigMTreeStore

All Implemented Interfaces:

IMTreeStore<IConfigMNode>

public class ConfigMTreeStore
extends Object
implements IMTreeStore<IConfigMNode>

This is a memory-based implementation of IMTreeStore. All MNodes are stored in memory.

Constructor Summary

Constructors

Constructor	Description
ConfigMTreeStore(IMNodeFactory<IConfigMNode> nodeFactory)

Method Summary

Modifier and Type	Method	Description
IConfigMNode	addChild(IConfigMNode parent, String childName, IConfigMNode child)
void	clear()
boolean	createSnapshot(File snapshotDir)
void	deleteChild(IConfigMNode parent, String childName)
IConfigMNode	generatePrefix(PartialPath storageGroupPath)
IConfigMNode	getChild(IConfigMNode parent, String name)
IMNodeIterator<IConfigMNode>	getChildrenIterator(IConfigMNode parent)
IConfigMNode	getRoot()
IMNodeIterator<IConfigMNode>	getTraverserIterator(IConfigMNode parent, Map<Integer,Template> templateMap, boolean skipPreDeletedSchema)
IMTreeStore	getWithReentrantReadLock()
boolean	hasChild(IConfigMNode parent, String name)
void	pin(IConfigMNode node)
void	recordTraverserMetric(long costTime)
ReleaseFlushMonitor.RecordNode	recordTraverserStatistics()
void	setAlias(IMeasurementMNode<IConfigMNode> measurementMNode, String alias)
IDeviceMNode<IConfigMNode>	setToEntity(IConfigMNode node)
IConfigMNode	setToInternal(IDeviceMNode<IConfigMNode> entityMNode)
void	unPin(IConfigMNode node)
void	unPinPath(IConfigMNode node)
void	updateMNode(IConfigMNode node, Consumer<IConfigMNode> operation)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ConfigMTreeStore

public ConfigMTreeStore(IMNodeFactory<IConfigMNode> nodeFactory)

Method Details

generatePrefix

public IConfigMNode generatePrefix(PartialPath storageGroupPath)

Specified by:

generatePrefix in interface IMTreeStore<IConfigMNode>

getRoot

public IConfigMNode getRoot()

Specified by:

getRoot in interface IMTreeStore<IConfigMNode>

hasChild

public boolean hasChild(IConfigMNode parent,
 String name)

Specified by:

hasChild in interface IMTreeStore<IConfigMNode>

getChild

public IConfigMNode getChild(IConfigMNode parent,
 String name)

Specified by:

getChild in interface IMTreeStore<IConfigMNode>

getChildrenIterator

public IMNodeIterator<IConfigMNode> getChildrenIterator(IConfigMNode parent)

Specified by:

getChildrenIterator in interface IMTreeStore<IConfigMNode>

getTraverserIterator

public IMNodeIterator<IConfigMNode> getTraverserIterator(IConfigMNode parent,
 Map<Integer,Template> templateMap,
 boolean skipPreDeletedSchema)
                                                  throws MetadataException

Specified by:

getTraverserIterator in interface IMTreeStore<IConfigMNode>

Throws:

MetadataException

addChild

public IConfigMNode addChild(IConfigMNode parent,
 String childName,
 IConfigMNode child)

Specified by:

addChild in interface IMTreeStore<IConfigMNode>

deleteChild

public void deleteChild(IConfigMNode parent,
 String childName)

Specified by:

deleteChild in interface IMTreeStore<IConfigMNode>

updateMNode

public void updateMNode(IConfigMNode node,
 Consumer<IConfigMNode> operation)

Specified by:

updateMNode in interface IMTreeStore<IConfigMNode>

setToEntity

public IDeviceMNode<IConfigMNode> setToEntity(IConfigMNode node)

Specified by:

setToEntity in interface IMTreeStore<IConfigMNode>

setToInternal

public IConfigMNode setToInternal(IDeviceMNode<IConfigMNode> entityMNode)

Specified by:

setToInternal in interface IMTreeStore<IConfigMNode>

setAlias

public void setAlias(IMeasurementMNode<IConfigMNode> measurementMNode,
 String alias)

Specified by:

setAlias in interface IMTreeStore<IConfigMNode>

pin

public void pin(IConfigMNode node)

Specified by:

pin in interface IMTreeStore<IConfigMNode>

unPin

public void unPin(IConfigMNode node)

Specified by:

unPin in interface IMTreeStore<IConfigMNode>

unPinPath

public void unPinPath(IConfigMNode node)

Specified by:

unPinPath in interface IMTreeStore<IConfigMNode>

getWithReentrantReadLock

public IMTreeStore getWithReentrantReadLock()

Specified by:

getWithReentrantReadLock in interface IMTreeStore<IConfigMNode>

clear

public void clear()

Specified by:

clear in interface IMTreeStore<IConfigMNode>

createSnapshot

public boolean createSnapshot(File snapshotDir)

Specified by:

createSnapshot in interface IMTreeStore<IConfigMNode>

recordTraverserStatistics

public ReleaseFlushMonitor.RecordNode recordTraverserStatistics()

Specified by:

recordTraverserStatistics in interface IMTreeStore<IConfigMNode>

recordTraverserMetric

public void recordTraverserMetric(long costTime)

Specified by:

recordTraverserMetric in interface IMTreeStore<IConfigMNode>