Package org.red5.server

Class PersistableAttributeStore

java.lang.Object

org.red5.server.AttributeStore

org.red5.server.PersistableAttributeStore

All Implemented Interfaces:

IAttributeStore, ICastingAttributeStore, IPersistable, AttributeStoreMXBean

public class PersistableAttributeStore
extends AttributeStore
implements IPersistable

Persistable attributes store. Server-side SharedObjects feature based on this class.

Field Summary

Fields

Modifier and Type	Field	Description
protected long	lastModified	Last modified Timestamp
protected String	name	Attribute store name
protected String	path	Attribute store path (on local hard drive)
protected boolean	persistent	Persistence flag
protected IPersistenceStore	store	Store object that deals with save/load routines
protected String	type	Attribute store type

Fields inherited from class org.red5.server.AttributeStore

attributes, log

Fields inherited from interface org.red5.server.api.persistence.IPersistable

TRANSIENT_PREFIX

Constructor Summary

Constructors

Constructor	Description
PersistableAttributeStore(String type, String name, String path, boolean persistent)	Creates persistable attribute store

Method Summary

Modifier and Type	Method	Description
void	deserialize(Input input)	Deserializes data from input to attributes
Object	getAttribute(String name, Object defaultValue)	Return the value for a given attribute and set it if it doesn't exist.
long	getLastModified()	Returns last modification time as timestamp
String	getName()	Return store name
String	getPath()	Ruturn scope path
IPersistenceStore	getStore()	Return persistent store
String	getType()	Return scope type
boolean	isPersistent()	Check whether object is persistent or not
protected void	modified()	Set last modified flag to current system time
boolean	removeAttribute(String name)	Removes attribute
void	removeAttributes()	Removes all attributes and sets modified flag
void	serialize(Output output)	Serializes byte buffer output, storing them to attributes
boolean	setAttribute(String name, Object value)	Set an attribute on this object.
boolean	setAttributes(Map<String,Object> values)	Set multiple attributes on this object.
boolean	setAttributes(IAttributeStore values)	Set multiple attributes on this object.
void	setName(String name)	Setter for name
void	setPath(String path)	Setter for scope path
void	setPersistent(boolean persistent)	Set for persistence
void	setStore(IPersistenceStore store)	Load data from another persistent store

Methods inherited from class org.red5.server.AttributeStore

filterNull, from, getAttribute, getAttributeNames, getAttributes, getBoolAttribute, getByteAttribute, getDoubleAttribute, getIntAttribute, getListAttribute, getLongAttribute, getMapAttribute, getSetAttribute, getShortAttribute, getStringAttribute, hasAttribute, size

Methods inherited from class java.lang.Object

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

Field Details

persistent

protected boolean persistent

Persistence flag

name

protected String name

Attribute store name

type

protected String type

Attribute store type

path

protected String path

Attribute store path (on local hard drive)

lastModified

protected long lastModified

Last modified Timestamp

store

protected IPersistenceStore store

Store object that deals with save/load routines

Constructor Details

PersistableAttributeStore

public PersistableAttributeStore(String type,
 String name,
 String path,
 boolean persistent)

Creates persistable attribute store

Parameters:

type - Attribute store type

name - Attribute store name

path - Attribute store path

persistent - Whether store is persistent or not

Method Details

modified

protected void modified()

Set last modified flag to current system time

isPersistent

public boolean isPersistent()

Check whether object is persistent or not

Specified by:

isPersistent in interface IPersistable

Returns:

true if object is persistent, false otherwise

setPersistent

public void setPersistent(boolean persistent)

Set for persistence

Specified by:

setPersistent in interface IPersistable

Parameters:

persistent - Persistence flag value

getLastModified

public long getLastModified()

Returns last modification time as timestamp

Specified by:

getLastModified in interface IPersistable

Returns:

Timestamp of last attribute modification

getName

public String getName()

Return store name

Specified by:

getName in interface IPersistable

Returns:

Store name

setName

public void setName(String name)

Setter for name

Specified by:

setName in interface IPersistable

Parameters:

name - Name

getPath

public String getPath()

Ruturn scope path

Specified by:

getPath in interface IPersistable

Returns:

Path

setPath

public void setPath(String path)

Setter for scope path

Specified by:

setPath in interface IPersistable

Parameters:

path - Path

getType

public String getType()

Return scope type

Specified by:

getType in interface IPersistable

Returns:

Scope type

serialize

public void serialize(Output output)
               throws IOException

Serializes byte buffer output, storing them to attributes

Specified by:

serialize in interface IPersistable

Parameters:

output - Output object

Throws:

IOException - if error

deserialize

public void deserialize(Input input)
                 throws IOException

Deserializes data from input to attributes

Specified by:

deserialize in interface IPersistable

Parameters:

input - Input object

Throws:

IOException - I/O exception

setStore

public void setStore(IPersistenceStore store)

Load data from another persistent store

Specified by:

setStore in interface IPersistable

Parameters:

store - Persistent store

getStore

public IPersistenceStore getStore()

Return persistent store

Specified by:

getStore in interface IPersistable

Returns:

Persistence store

getAttribute

public Object getAttribute(String name,
 Object defaultValue)

Return the value for a given attribute and set it if it doesn't exist.

Specified by:

getAttribute in interface IAttributeStore

Overrides:

getAttribute in class AttributeStore

Parameters:

name - the name of the attribute to get

defaultValue - the value of the attribute to set if the attribute doesn't exist

Returns:

the attribute value

setAttribute

public boolean setAttribute(String name,
 Object value)

Set an attribute on this object.

Specified by:

setAttribute in interface IAttributeStore

Overrides:

setAttribute in class AttributeStore

Parameters:

name - the name of the attribute to change

value - the new value of the attribute

Returns:

true if the attribute value was added or changed, otherwise false

setAttributes

public boolean setAttributes(Map<String,Object> values)

Set multiple attributes on this object.

Specified by:

setAttributes in interface IAttributeStore

Overrides:

setAttributes in class AttributeStore

Parameters:

values - the attributes to set

Returns:

true if the attribute values changed otherwise false

setAttributes

public boolean setAttributes(IAttributeStore values)

Set multiple attributes on this object.

Specified by:

setAttributes in interface IAttributeStore

Overrides:

setAttributes in class AttributeStore

Parameters:

values - the attributes to set

Returns:

true if the attribute values changed otherwise false

removeAttribute

public boolean removeAttribute(String name)

Removes attribute

Specified by:

removeAttribute in interface AttributeStoreMXBean

Specified by:

removeAttribute in interface IAttributeStore

Overrides:

removeAttribute in class AttributeStore

Parameters:

name - Attribute name

Returns:

true if attribute was removed, false otherwise

removeAttributes

public void removeAttributes()

Removes all attributes and sets modified flag

Specified by:

removeAttributes in interface AttributeStoreMXBean

Specified by:

removeAttributes in interface IAttributeStore

Overrides:

removeAttributes in class AttributeStore