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