Package org.apache.iotdb.db.metadata.mnode

Class MeasurementMNode

java.lang.Object

org.apache.iotdb.db.metadata.mnode.MNode

org.apache.iotdb.db.metadata.mnode.MeasurementMNode

All Implemented Interfaces:

java.io.Serializable, IMeasurementMNode, IMNode

public class MeasurementMNode
extends MNode
implements IMeasurementMNode

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected java.lang.String	alias	alias name of this measurement

Fields inherited from class org.apache.iotdb.db.metadata.mnode.MNode

cacheEntry, fullPath, name, parent, triggerExecutor

Constructor Summary

Constructors

Constructor	Description
MeasurementMNode(IMNode parent, java.lang.String name, org.apache.iotdb.tsfile.write.schema.IMeasurementSchema schema, java.lang.String alias)

Method Summary

Modifier and Type	Method	Description
<R,C> R	accept(MNodeVisitor<R,C> visitor, C context)
IMNode	addChild(java.lang.String name, IMNode child)
IMNode	addChild(IMNode child)
IMNode	deleteChild(java.lang.String name)
static IMeasurementMNode	deserializeFrom(MeasurementMNodePlan plan)	deserialize MeasurementMNode from MeasurementNodePlan
java.lang.String	getAlias()
IMNode	getChild(java.lang.String name)
IMNodeContainer	getChildren()
org.apache.iotdb.tsfile.file.metadata.enums.TSDataType	getDataType(java.lang.String measurementId)	get data type
java.lang.String	getFullPath()	get full path
ILastCacheContainer	getLastCacheContainer()
static IMeasurementMNode	getMeasurementMNode(IEntityMNode parent, java.lang.String measurementName, org.apache.iotdb.tsfile.write.schema.IMeasurementSchema schema, java.lang.String alias)	MeasurementMNode factory method.
MeasurementPath	getMeasurementPath()	get MeasurementPath of this node
MNodeType	getMNodeType(java.lang.Boolean isConfig)
long	getOffset()
IEntityMNode	getParent()
org.apache.iotdb.tsfile.write.schema.IMeasurementSchema	getSchema()
Template	getSchemaTemplate()
int	getSchemaTemplateId()
TriggerExecutor	getTriggerExecutor()
Template	getUpperTemplate()
boolean	hasChild(java.lang.String name)
boolean	isMeasurement()
void	replaceChild(java.lang.String oldChildName, IMNode newChildNode)
void	serializeTo(MLogWriter logWriter)
void	setAlias(java.lang.String alias)
void	setChildren(IMNodeContainer children)
void	setLastCacheContainer(ILastCacheContainer lastCacheContainer)
void	setOffset(long offset)
void	setSchemaTemplate(Template schemaTemplate)
void	setSchemaTemplateId(int schemaTemplateId)
void	setTriggerExecutor(TriggerExecutor triggerExecutor)
void	setUseTemplate(boolean useTemplate)

Methods inherited from class org.apache.iotdb.db.metadata.mnode.MNode

equals, getAsEntityMNode, getAsMeasurementMNode, getAsStorageGroupMNode, getCacheEntry, getName, getPartialPath, getUpperTriggerExecutorList, hashCode, isEntity, isStorageGroup, isUseTemplate, moveDataToNewMNode, setCacheEntry, setFullPath, setName, setParent, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.iotdb.db.metadata.mnode.IMNode

getAsEntityMNode, getAsMeasurementMNode, getAsStorageGroupMNode, getCacheEntry, getName, getPartialPath, getUpperTriggerExecutorList, isEntity, isStorageGroup, isUseTemplate, moveDataToNewMNode, setCacheEntry, setFullPath, setName, setParent

Field Detail

alias

protected java.lang.String alias

alias name of this measurement

Constructor Detail

MeasurementMNode

public MeasurementMNode(IMNode parent,
                        java.lang.String name,
                        org.apache.iotdb.tsfile.write.schema.IMeasurementSchema schema,
                        java.lang.String alias)

Parameters:

alias - alias of measurementName

Method Detail

getMeasurementMNode

public static IMeasurementMNode getMeasurementMNode(IEntityMNode parent,
                                                    java.lang.String measurementName,
                                                    org.apache.iotdb.tsfile.write.schema.IMeasurementSchema schema,
                                                    java.lang.String alias)

MeasurementMNode factory method. The type of returned MeasurementMNode is according to the schema type. The default type is UnaryMeasurementMNode, which means if schema == null, an UnaryMeasurementMNode will return.

getParent

public IEntityMNode getParent()

Specified by:

getParent in interface IMeasurementMNode

Specified by:

getParent in interface IMNode

Overrides:

getParent in class MNode

getMeasurementPath

public MeasurementPath getMeasurementPath()

get MeasurementPath of this node

Specified by:

getMeasurementPath in interface IMeasurementMNode

Returns:

MeasurementPath

getSchema

public org.apache.iotdb.tsfile.write.schema.IMeasurementSchema getSchema()

Specified by:

getSchema in interface IMeasurementMNode

getDataType

public org.apache.iotdb.tsfile.file.metadata.enums.TSDataType getDataType(java.lang.String measurementId)

get data type

Specified by:

getDataType in interface IMeasurementMNode

Parameters:

measurementId - if it's a vector schema, we need sensor name of it

Returns:

measurement data type

getOffset

public long getOffset()

Specified by:

getOffset in interface IMeasurementMNode

setOffset

public void setOffset(long offset)

Specified by:

setOffset in interface IMeasurementMNode

getAlias

public java.lang.String getAlias()

Specified by:

getAlias in interface IMeasurementMNode

setAlias

public void setAlias(java.lang.String alias)

Specified by:

setAlias in interface IMeasurementMNode

getTriggerExecutor

public TriggerExecutor getTriggerExecutor()

Specified by:

getTriggerExecutor in interface IMeasurementMNode

Specified by:

getTriggerExecutor in interface IMNode

Overrides:

getTriggerExecutor in class MNode

setTriggerExecutor

public void setTriggerExecutor(TriggerExecutor triggerExecutor)

Specified by:

setTriggerExecutor in interface IMeasurementMNode

Specified by:

setTriggerExecutor in interface IMNode

Overrides:

setTriggerExecutor in class MNode

getLastCacheContainer

public ILastCacheContainer getLastCacheContainer()

Specified by:

getLastCacheContainer in interface IMeasurementMNode

setLastCacheContainer

public void setLastCacheContainer(ILastCacheContainer lastCacheContainer)

Specified by:

setLastCacheContainer in interface IMeasurementMNode

serializeTo

public void serializeTo(MLogWriter logWriter)
                 throws java.io.IOException

Specified by:

serializeTo in interface IMNode

Throws:

java.io.IOException

accept

public <R,C> R accept(MNodeVisitor<R,C> visitor,
                            C context)

Specified by:

accept in interface IMNode

deserializeFrom

public static IMeasurementMNode deserializeFrom(MeasurementMNodePlan plan)

deserialize MeasurementMNode from MeasurementNodePlan

getFullPath

public java.lang.String getFullPath()

Description copied from class: MNode

get full path

Specified by:

getFullPath in interface IMNode

Overrides:

getFullPath in class MNode

hasChild

public boolean hasChild(java.lang.String name)

Specified by:

hasChild in interface IMNode

getChild

public IMNode getChild(java.lang.String name)

Specified by:

getChild in interface IMNode

addChild

public IMNode addChild(java.lang.String name,
                       IMNode child)

Specified by:

addChild in interface IMNode

addChild

public IMNode addChild(IMNode child)

Specified by:

addChild in interface IMNode

deleteChild

public IMNode deleteChild(java.lang.String name)

Specified by:

deleteChild in interface IMNode

replaceChild

public void replaceChild(java.lang.String oldChildName,
                         IMNode newChildNode)

Specified by:

replaceChild in interface IMNode

getChildren

public IMNodeContainer getChildren()

Specified by:

getChildren in interface IMNode

setChildren

public void setChildren(IMNodeContainer children)

Specified by:

setChildren in interface IMNode

getUpperTemplate

public Template getUpperTemplate()

Specified by:

getUpperTemplate in interface IMNode

getSchemaTemplate

public Template getSchemaTemplate()

Specified by:

getSchemaTemplate in interface IMNode

setSchemaTemplate

public void setSchemaTemplate(Template schemaTemplate)

Specified by:

setSchemaTemplate in interface IMNode

getSchemaTemplateId

public int getSchemaTemplateId()

Specified by:

getSchemaTemplateId in interface IMNode

setSchemaTemplateId

public void setSchemaTemplateId(int schemaTemplateId)

Specified by:

setSchemaTemplateId in interface IMNode

setUseTemplate

public void setUseTemplate(boolean useTemplate)

Specified by:

setUseTemplate in interface IMNode

isMeasurement

public boolean isMeasurement()

Specified by:

isMeasurement in interface IMNode

Overrides:

isMeasurement in class MNode

getMNodeType

public MNodeType getMNodeType(java.lang.Boolean isConfig)

Specified by:

getMNodeType in interface IMNode