com.codename1.io.services

Class CachedData

java.lang.Object

com.codename1.io.services.CachedData

All Implemented Interfaces:

Externalizable

public class CachedData
extends Object
implements Externalizable

Cached data class for use with the cached data service

Author:

Shai Almog

Constructor Summary

Constructors

Constructor and Description
CachedData()

Method Summary

Modifier and Type	Method and Description
void	externalize(DataOutputStream out) Allows us to store an object state, this method must be implemented in order to save the state of an object
byte[]	getData()
String	getObjectId() The object id must be unique, it is used to identify the object when loaded even when it is obfuscated.
String	getUrl()
int	getVersion() Returns the version for the current persistance code, the version will be pased to internalized thus allowing the internalize method to recognize classes persisted in older revisions
void	internalize(int version, DataInputStream in) Loads the object from the input stream and allows deserialization
void	setData(byte[] data)
void	setUrl(String url)

Methods inherited from class java.lang.Object

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

Constructor Detail

CachedData

public CachedData()

Method Detail

getVersion

public int getVersion()

Returns the version for the current persistance code, the version will be pased to internalized thus allowing the internalize method to recognize classes persisted in older revisions

Specified by:

getVersion in interface Externalizable

Returns:

version number for the persistant code

externalize

public void externalize(DataOutputStream out)
                 throws IOException

Allows us to store an object state, this method must be implemented in order to save the state of an object

Specified by:

externalize in interface Externalizable

Parameters:

out - the stream into which the object must be serialized

Throws:

IOException - the method may throw an exception

internalize

public void internalize(int version,
                        DataInputStream in)
                 throws IOException

Loads the object from the input stream and allows deserialization

Specified by:

internalize in interface Externalizable

Parameters:

version - the version the class returned during the externalization processs

in - the input stream used to load the class

Throws:

IOException - the method may throw an exception

getObjectId

public String getObjectId()

Description copied from interface: Externalizable

The object id must be unique, it is used to identify the object when loaded even when it is obfuscated.

Specified by:

getObjectId in interface Externalizable

Returns:

a unique id

getData

public byte[] getData()

Returns:

the data

setData

public void setData(byte[] data)

Parameters:

data - the data to set

getUrl

public String getUrl()

Returns:

the url

setUrl

public void setUrl(String url)

Parameters:

url - the url to set