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

  • Constructor Details

    • CachedData

      public CachedData()

  • Method Details

    • 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

      Returns

      version number for the persistant code

      Specified by:
      getVersion in interface Externalizable

    • 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

      Parameters
      • out: the stream into which the object must be serialized
      Throws
      • java.io.IOException: the method may throw an exception
      Specified by:
      externalize in interface Externalizable
      Throws:
      IOException

    • internalize

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

      Loads the object from the input stream and allows deserialization

      Parameters

      • version: the version the class returned during the externalization processs

      • in: the input stream used to load the class

      Throws
      • java.io.IOException: the method may throw an exception
      Specified by:
      internalize in interface Externalizable
      Throws:
      IOException

    • 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.

      Returns

      a unique id

      Specified by:
      getObjectId in interface Externalizable

    • 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