Package org.apache.iotdb.db.metadata.mtree.store.disk.schemafile

Class MockSchemaFile

java.lang.Object

org.apache.iotdb.db.metadata.mtree.store.disk.schemafile.MockSchemaFile

All Implemented Interfaces:

ISchemaFile

public class MockSchemaFile
extends java.lang.Object
implements ISchemaFile

Constructor Summary

Constructors

Constructor	Description
MockSchemaFile(org.apache.iotdb.commons.path.PartialPath storageGroupPath)

Method Summary

Modifier and Type	Method	Description
void	clear()
void	close()
void	delete(IMNode targetNode)
IMNode	getChildNode(IMNode parent, java.lang.String childName)
java.util.Iterator<IMNode>	getChildren(IMNode parent)
IMNode	init()	Get the storage group node, with its segment address of 0.
void	sync()
boolean	updateStorageGroupNode(IStorageGroupMNode sgNode)	Modify header of schema file corresponding to the storage group node synchronously
void	writeMNode(IMNode parent)	Only storage group node along with its descendents could be flushed into schema file.

Methods inherited from class java.lang.Object

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

Constructor Detail

MockSchemaFile

public MockSchemaFile(org.apache.iotdb.commons.path.PartialPath storageGroupPath)

Method Detail

init

public IMNode init()

Description copied from interface: ISchemaFile

Get the storage group node, with its segment address of 0.

Specified by:

init in interface ISchemaFile

Returns:

node instance, template name as hash code

updateStorageGroupNode

public boolean updateStorageGroupNode(IStorageGroupMNode sgNode)
                               throws java.io.IOException

Description copied from interface: ISchemaFile

Modify header of schema file corresponding to the storage group node synchronously

Specified by:

updateStorageGroupNode in interface ISchemaFile

Parameters:

sgNode - node to be updated

Returns:

true if success

Throws:

java.io.IOException

getChildNode

public IMNode getChildNode(IMNode parent,
                           java.lang.String childName)

Specified by:

getChildNode in interface ISchemaFile

getChildren

public java.util.Iterator<IMNode> getChildren(IMNode parent)

Specified by:

getChildren in interface ISchemaFile

writeMNode

public void writeMNode(IMNode parent)

Description copied from interface: ISchemaFile

Only storage group node along with its descendents could be flushed into schema file.

Specified by:

writeMNode in interface ISchemaFile

delete

public void delete(IMNode targetNode)

Specified by:

delete in interface ISchemaFile

sync

public void sync()

Specified by:

sync in interface ISchemaFile

close

public void close()

Specified by:

close in interface ISchemaFile

clear

public void clear()

Specified by:

clear in interface ISchemaFile