接口的使用
org.apache.iotdb.db.metadata.mnode.IMNode

使用IMNode的程序包

程序包	说明
org.apache.iotdb.db.metadata
org.apache.iotdb.db.metadata.idtable.entry
org.apache.iotdb.db.metadata.lastCache
org.apache.iotdb.db.metadata.logfile
org.apache.iotdb.db.metadata.mnode
org.apache.iotdb.db.metadata.mtree
org.apache.iotdb.db.metadata.mtree.traverser
org.apache.iotdb.db.metadata.mtree.traverser.collector
org.apache.iotdb.db.metadata.mtree.traverser.counter
org.apache.iotdb.db.metadata.template
org.apache.iotdb.db.metadata.utils

org.apache.iotdb.db.metadata中IMNode的使用

返回IMNode的org.apache.iotdb.db.metadata中的方法

限定符和类型	方法和说明
IMNode	MManager.getDeviceNode(PartialPath path)
protected IMNode	MManager.getDeviceNodeWithAutoCreate(PartialPath path)
protected IMNode	MManager.getDeviceNodeWithAutoCreate(PartialPath path, boolean autoCreateSchema, boolean allowCreateSg, int sgLevel) get device node, if the storage group is not set, create it when autoCreateSchema is true (we develop this method as we need to get the node's lock after we get the lock.writeLock())
IMNode	MManager.getSeriesSchemasAndReadLockDevice(InsertPlan plan) get schema for device.

参数类型为IMNode的org.apache.iotdb.db.metadata中的方法

限定符和类型	方法和说明
protected IMeasurementMNode	MManager.getMeasurementMNode(IMNode deviceMNode, String measurementName) Invoked during insertPlan process.

org.apache.iotdb.db.metadata.idtable.entry中IMNode的使用

实现IMNode的org.apache.iotdb.db.metadata.idtable.entry中的类

限定符和类型	类和说明
class	InsertMeasurementMNode Generated entity implements IMeasurementMNode interface to unify insert logic through id table and mmanager

返回IMNode的org.apache.iotdb.db.metadata.idtable.entry中的方法

限定符和类型	方法和说明
IMNode	InsertMeasurementMNode.addChild(IMNode child)
IMNode	InsertMeasurementMNode.getChild(String name)

返回变量类型为IMNode的类型的org.apache.iotdb.db.metadata.idtable.entry中的方法

限定符和类型	方法和说明
Map<String,IMNode>	InsertMeasurementMNode.getChildren()

参数类型为IMNode的org.apache.iotdb.db.metadata.idtable.entry中的方法

限定符和类型	方法和说明
IMNode	InsertMeasurementMNode.addChild(IMNode child)
void	InsertMeasurementMNode.addChild(String name, IMNode child)
void	InsertMeasurementMNode.replaceChild(String oldChildName, IMNode newChildNode)
void	InsertMeasurementMNode.setParent(IMNode parent)

类型变量类型为IMNode的org.apache.iotdb.db.metadata.idtable.entry中的方法参数

限定符和类型	方法和说明
void	InsertMeasurementMNode.setChildren(Map<String,IMNode> children)

org.apache.iotdb.db.metadata.lastCache中IMNode的使用

参数类型为IMNode的org.apache.iotdb.db.metadata.lastCache中的方法

限定符和类型	方法和说明
static void	LastCacheManager.checkTTLOnLastCache(IMNode node, long dataTTL)

org.apache.iotdb.db.metadata.logfile中IMNode的使用

参数类型为IMNode的org.apache.iotdb.db.metadata.logfile中的方法

限定符和类型	方法和说明
void	MLogWriter.serializeMNode(IMNode node)

org.apache.iotdb.db.metadata.mnode中IMNode的使用

org.apache.iotdb.db.metadata.mnode中IMNode的子接口

限定符和类型	接口和说明
interface	IEntityMNode
interface	IMeasurementMNode This interface defines a MeasurementMNode's operation interfaces.
interface	IStorageGroupMNode This interface defines a StorageGroupMNode's operation interfaces.

实现IMNode的org.apache.iotdb.db.metadata.mnode中的类

限定符和类型	类和说明
class	EntityMNode
class	InternalMNode This class is the implementation of Metadata Node.
class	MeasurementMNode
class	MNode
class	StorageGroupEntityMNode
class	StorageGroupMNode

声明为IMNode的org.apache.iotdb.db.metadata.mnode中的字段

限定符和类型	字段和说明
protected IMNode	MNode.parent

类型参数类型为IMNode的org.apache.iotdb.db.metadata.mnode中的字段

限定符和类型	字段和说明
protected Map<String,IMNode>	InternalMNode.children use in Measurement Node so it's protected suppress warnings reason: volatile for double synchronized check This will be a ConcurrentHashMap instance

返回IMNode的org.apache.iotdb.db.metadata.mnode中的方法

限定符和类型	方法和说明
IMNode	IMNode.addChild(IMNode child)
IMNode	InternalMNode.addChild(IMNode child) Add a child to the current mnode.
IMNode	MeasurementMNode.addChild(IMNode child)
IMNode	IMNode.getChild(String name)
IMNode	InternalMNode.getChild(String name) get the child with the name
IMNode	MeasurementMNode.getChild(String name)
IMNode	EntityMNode.getChild(String name) get the child with the name
IMNode	IMNode.getParent()
IMNode	MNode.getParent()
static IMNode	MNodeUtils.setToInternal(IEntityMNode entityMNode) When there's no measurement, represented by template or MeasurementMNode, is under this entityMNode, it should not act as entity anymore.

返回变量类型为IMNode的类型的org.apache.iotdb.db.metadata.mnode中的方法

限定符和类型	方法和说明
Map<String,IMNode>	IMNode.getChildren()
Map<String,IMNode>	InternalMNode.getChildren()
Map<String,IMNode>	MeasurementMNode.getChildren()

参数类型为IMNode的org.apache.iotdb.db.metadata.mnode中的方法

限定符和类型	方法和说明
IMNode	IMNode.addChild(IMNode child)
IMNode	InternalMNode.addChild(IMNode child) Add a child to the current mnode.
IMNode	MeasurementMNode.addChild(IMNode child)
void	IMNode.addChild(String name, IMNode child)
void	InternalMNode.addChild(String name, IMNode child) add a child to current mnode
void	MeasurementMNode.addChild(String name, IMNode child)
void	IMNode.replaceChild(String oldChildName, IMNode newChildNode)
void	InternalMNode.replaceChild(String oldChildName, IMNode newChildNode) Replace a child of this mnode.
void	MeasurementMNode.replaceChild(String oldChildName, IMNode newChildNode)
void	IMNode.setParent(IMNode parent)
void	MNode.setParent(IMNode parent)
static IEntityMNode	MNodeUtils.setToEntity(IMNode node) When a measurement, represented by template or MeasurementMNode, is going to be added to a node, the node should be set to entity.

类型变量类型为IMNode的org.apache.iotdb.db.metadata.mnode中的方法参数

限定符和类型	方法和说明
void	IMNode.setChildren(Map<String,IMNode> children)
void	InternalMNode.setChildren(Map<String,IMNode> children)
void	MeasurementMNode.setChildren(Map<String,IMNode> children)

参数类型为IMNode的org.apache.iotdb.db.metadata.mnode中的构造器

构造器和说明
EntityMNode(IMNode parent, String name) Constructor of MNode.
InternalMNode(IMNode parent, String name) Constructor of MNode.
MNode(IMNode parent, String name) Constructor of MNode.
StorageGroupEntityMNode(IMNode parent, String name, long dataTTL)
StorageGroupMNode(IMNode parent, String name, long dataTTL)

org.apache.iotdb.db.metadata.mtree中IMNode的使用

返回IMNode的org.apache.iotdb.db.metadata.mtree中的方法

限定符和类型	方法和说明
IMNode	MTree.checkTemplateAlignmentWithMountedNode(IMNode mountedNode, Template template) Check route 1: If template has no direct measurement, just pass the check.
IMNode	MTree.getDeviceNodeWithAutoCreating(PartialPath deviceId, int sgLevel) Add an interval path to MTree.
IMNode	MTree.getNodeByPath(PartialPath path) Get node by the path
IMNode	MTree.getNodeByPathWithStorageGroupCheck(PartialPath path) Get node by path with storage group check If storage group is not set, StorageGroupNotSetException will be thrown

参数类型为IMNode的org.apache.iotdb.db.metadata.mtree中的方法

限定符和类型	方法和说明
IMNode	MTree.checkTemplateAlignmentWithMountedNode(IMNode mountedNode, Template template) Check route 1: If template has no direct measurement, just pass the check.
void	MTree.checkTemplateInUseOnLowerNode(IMNode node)
IEntityMNode	MTree.setToEntity(IMNode node)

类型变量类型为IMNode的org.apache.iotdb.db.metadata.mtree中的方法参数

限定符和类型	方法和说明
void	MTree.processMNodeDuringTraversal(PartialPath pathPattern, BiConsumer<IMNode,Long> consumer)

org.apache.iotdb.db.metadata.mtree.traverser中IMNode的使用

声明为IMNode的org.apache.iotdb.db.metadata.mtree.traverser中的字段

限定符和类型	字段和说明
protected IMNode	Traverser.startNode

类型参数类型为IMNode的org.apache.iotdb.db.metadata.mtree.traverser中的字段

限定符和类型	字段和说明
protected Deque<IMNode>	Traverser.traverseContext

返回IMNode的org.apache.iotdb.db.metadata.mtree.traverser中的方法

限定符和类型	方法和说明
protected IMNode	Traverser.getStorageGroupNodeInTraversePath()

参数类型为IMNode的org.apache.iotdb.db.metadata.mtree.traverser中的方法

限定符和类型	方法和说明
protected PartialPath	Traverser.getCurrentPartialPath(IMNode currentNode)
protected abstract boolean	Traverser.processFullMatchedMNode(IMNode node, int idx, int level) full match: root.sg.d full match root.sg.
protected abstract boolean	Traverser.processInternalMatchedMNode(IMNode node, int idx, int level) internal match: root.sg internal match root.sg.
protected void	Traverser.processMultiLevelWildcard(IMNode node, int idx, int level)
protected void	Traverser.processNameMatch(IMNode node, int idx, int level)
protected void	Traverser.processOneLevelWildcard(IMNode node, int idx, int level)
protected void	Traverser.traverse(IMNode node, int idx, int level) The recursive method for MTree traversal.

参数类型为IMNode的org.apache.iotdb.db.metadata.mtree.traverser中的构造器

构造器和说明
Traverser(IMNode startNode, PartialPath path) To traverse subtree under root.sg, e.g., init Traverser(root, "root.sg.**")

org.apache.iotdb.db.metadata.mtree.traverser.collector中IMNode的使用

参数类型为IMNode的org.apache.iotdb.db.metadata.mtree.traverser.collector中的方法

限定符和类型	方法和说明
protected boolean	MNodeCollector.processFullMatchedMNode(IMNode node, int idx, int level)
protected boolean	MeasurementCollector.processFullMatchedMNode(IMNode node, int idx, int level)
protected boolean	EntityCollector.processFullMatchedMNode(IMNode node, int idx, int level)
protected boolean	StorageGroupCollector.processFullMatchedMNode(IMNode node, int idx, int level)
protected boolean	MNodeCollector.processInternalMatchedMNode(IMNode node, int idx, int level)
protected boolean	MeasurementCollector.processInternalMatchedMNode(IMNode node, int idx, int level)
protected boolean	EntityCollector.processInternalMatchedMNode(IMNode node, int idx, int level)
protected boolean	StorageGroupCollector.processInternalMatchedMNode(IMNode node, int idx, int level)
protected abstract void	MNodeCollector.transferToResult(IMNode node)
protected void	MNodeCollector.traverse(IMNode node, int idx, int level)
protected void	CollectorTraverser.traverse(IMNode node, int idx, int level) extends traversal with limit restriction

参数类型为IMNode的org.apache.iotdb.db.metadata.mtree.traverser.collector中的构造器

构造器和说明
CollectorTraverser(IMNode startNode, PartialPath path)
CollectorTraverser(IMNode startNode, PartialPath path, int limit, int offset)
EntityCollector(IMNode startNode, PartialPath path)
EntityCollector(IMNode startNode, PartialPath path, int limit, int offset)
MeasurementCollector(IMNode startNode, PartialPath path)
MeasurementCollector(IMNode startNode, PartialPath path, int limit, int offset)
MNodeCollector(IMNode startNode, PartialPath path)
StorageGroupCollector(IMNode startNode, PartialPath path)

org.apache.iotdb.db.metadata.mtree.traverser.counter中IMNode的使用

参数类型为IMNode的org.apache.iotdb.db.metadata.mtree.traverser.counter中的方法

限定符和类型	方法和说明
protected boolean	MNodeLevelCounter.processFullMatchedMNode(IMNode node, int idx, int level)
protected boolean	EntityCounter.processFullMatchedMNode(IMNode node, int idx, int level)
protected boolean	MeasurementGroupByLevelCounter.processFullMatchedMNode(IMNode node, int idx, int level)
protected boolean	StorageGroupCounter.processFullMatchedMNode(IMNode node, int idx, int level)
protected boolean	MeasurementCounter.processFullMatchedMNode(IMNode node, int idx, int level)
protected boolean	MNodeLevelCounter.processInternalMatchedMNode(IMNode node, int idx, int level)
protected boolean	EntityCounter.processInternalMatchedMNode(IMNode node, int idx, int level)
protected boolean	MeasurementGroupByLevelCounter.processInternalMatchedMNode(IMNode node, int idx, int level)
protected boolean	StorageGroupCounter.processInternalMatchedMNode(IMNode node, int idx, int level)
protected boolean	MeasurementCounter.processInternalMatchedMNode(IMNode node, int idx, int level)

参数类型为IMNode的org.apache.iotdb.db.metadata.mtree.traverser.counter中的构造器

构造器和说明
CounterTraverser(IMNode startNode, PartialPath path)
EntityCounter(IMNode startNode, PartialPath path)
MeasurementCounter(IMNode startNode, PartialPath path)
MeasurementGroupByLevelCounter(IMNode startNode, PartialPath path, int groupByLevel)
MNodeLevelCounter(IMNode startNode, PartialPath path, int targetLevel)
StorageGroupCounter(IMNode startNode, PartialPath path)

org.apache.iotdb.db.metadata.template中IMNode的使用

返回IMNode的org.apache.iotdb.db.metadata.template中的方法

限定符和类型	方法和说明
IMNode	Template.getDirectNode(String nodeName)
IMNode	Template.getPathNodeInTemplate(String path)

返回变量类型为IMNode的类型的org.apache.iotdb.db.metadata.template中的方法

限定符和类型	方法和说明
Collection<IMNode>	Template.getDirectNodes()

参数类型为IMNode的org.apache.iotdb.db.metadata.template中的方法

限定符和类型	方法和说明
void	TemplateManager.checkTemplateCompatible(Template template, IMNode node)
boolean	Template.markStorageGroup(IMNode setNode)
boolean	Template.unmarkStorageGroup(IMNode unsetNode)

org.apache.iotdb.db.metadata.utils中IMNode的使用

参数类型为IMNode的org.apache.iotdb.db.metadata.utils中的方法

限定符和类型	方法和说明
static void	MetaUtils.collectLastNode(IMNode node, List<IMNode> lastNodeList)
static List<String>	MetaUtils.getMultiFullPaths(IMNode node)

类型变量类型为IMNode的org.apache.iotdb.db.metadata.utils中的方法参数

限定符和类型	方法和说明
static void	MetaUtils.collectLastNode(IMNode node, List<IMNode> lastNodeList)