org.apache.jdo.impl.fostore
Class ObjectTranscriber.TreeSetTranscriber

java.lang.Object
  org.apache.jdo.impl.fostore.ObjectTranscriber.AbstractTranscriber
      org.apache.jdo.impl.fostore.ObjectTranscriber.CollectionTranscriber
          org.apache.jdo.impl.fostore.ObjectTranscriber.TreeSetTranscriber

All Implemented Interfaces:

Transcriber

Enclosing class:

ObjectTranscriber

class ObjectTranscriber.TreeSetTranscriber

extends ObjectTranscriber.CollectionTranscriber

Transcribe TreeSets.

Constructor Summary

(package private)

ObjectTranscriber.TreeSetTranscriber()

Method Summary

(package private) java.lang.Object	fetch(java.io.DataInput in, java.lang.Object owner, int fieldNum)
(package private) void	skip(java.io.DataInput in) Skips elements of a Collection.
(package private) void	store(java.lang.Object value, FOStoreOutput out)
protected void	storeCollection(java.util.Collection obj, FOStoreOutput out) Store the elements of the collection.
protected void	writeInfo(java.util.Collection obj, FOStoreOutput out) Writes information for Collections, particularly for SCO Collections.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectTranscriber.TreeSetTranscriber

ObjectTranscriber.TreeSetTranscriber()

Method Detail

store

void store(java.lang.Object value,
           FOStoreOutput out)
     throws java.io.IOException

Specified by:

store in class ObjectTranscriber.AbstractTranscriber

Throws:

java.io.IOException

fetch

java.lang.Object fetch(java.io.DataInput in,
                       java.lang.Object owner,
                       int fieldNum)
                 throws java.lang.Exception

Specified by:

fetch in class ObjectTranscriber.AbstractTranscriber

Throws:

java.lang.Exception

skip

void skip(java.io.DataInput in)
    throws java.io.IOException

Description copied from class: ObjectTranscriber.CollectionTranscriber

Skips elements of a Collection.

Overrides:

skip in class ObjectTranscriber.CollectionTranscriber

Parameters:

in - Place from where the array's values should be read

Throws:

java.io.IOException - if there are problems writing information.

writeInfo

protected void writeInfo(java.util.Collection obj,
                         FOStoreOutput out)
                  throws java.io.IOException

Writes information for Collections, particularly for SCO Collections.

Parameters:

obj - Collection (possibly SCO) for which information in written.

out - Output to which information is written.

Throws:

java.io.IOException - if there are problems writing information.

storeCollection

protected void storeCollection(java.util.Collection obj,
                               FOStoreOutput out)
                        throws java.io.IOException

Store the elements of the collection. Freeze the elements, then iterate over them.

Throws:

java.io.IOException