com.sun.grid.jgrid.server
Class JCEPOutputStream

java.lang.Object
  extended byjava.io.OutputStream
      extended byjava.io.ObjectOutputStream
          extended bycom.sun.grid.jgrid.server.JCEPOutputStream
All Implemented Interfaces:
java.io.DataOutput, java.io.ObjectOutput, java.io.ObjectStreamConstants

public class JCEPOutputStream
extends java.io.ObjectOutputStream

The JCEPOutputStream is used by the Job object to write itself to disk when asked to checkpoint. It uses the Job's codebase property to annotate the serialized objects.


Nested Class Summary
 
Nested classes inherited from class java.io.ObjectOutputStream
java.io.ObjectOutputStream.PutField
 
Field Summary
private  java.lang.String annotation
          The codebase to use for annotating the serialized objects
 
Fields inherited from class java.io.ObjectOutputStream
 
Fields inherited from interface java.io.ObjectStreamConstants
baseWireHandle, PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, SC_BLOCK_DATA, SC_EXTERNALIZABLE, SC_SERIALIZABLE, SC_WRITE_METHOD, STREAM_MAGIC, STREAM_VERSION, SUBCLASS_IMPLEMENTATION_PERMISSION, SUBSTITUTION_PERMISSION, TC_ARRAY, TC_BASE, TC_BLOCKDATA, TC_BLOCKDATALONG, TC_CLASS, TC_CLASSDESC, TC_ENDBLOCKDATA, TC_EXCEPTION, TC_LONGSTRING, TC_MAX, TC_NULL, TC_OBJECT, TC_PROXYCLASSDESC, TC_REFERENCE, TC_RESET, TC_STRING
 
Constructor Summary
JCEPOutputStream(java.io.OutputStream out, java.lang.String annotation)
          Creates a new instance of JCEPOutputStream that wrap the given OutputStream.
 
Method Summary
protected  void annotateClass(java.lang.Class cl)
          Writes the annotation to the serialized object
 
Methods inherited from class java.io.ObjectOutputStream
annotateProxyClass, close, defaultWriteObject, drain, enableReplaceObject, flush, putFields, replaceObject, reset, useProtocolVersion, write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeClassDescriptor, writeDouble, writeFields, writeFloat, writeInt, writeLong, writeObject, writeObjectOverride, writeShort, writeStreamHeader, writeUnshared, writeUTF
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

annotation

private java.lang.String annotation
The codebase to use for annotating the serialized objects

Constructor Detail

JCEPOutputStream

public JCEPOutputStream(java.io.OutputStream out,
                        java.lang.String annotation)
                 throws java.io.IOException
Creates a new instance of JCEPOutputStream that wrap the given OutputStream.

Parameters:
out - The OutputStream to wrap
annotation - The codebase to use for annotating the serialized objects
Throws:
java.io.IOException - Thrown if there's an error creating the stream
Method Detail

annotateClass

protected void annotateClass(java.lang.Class cl)
                      throws java.io.IOException
Writes the annotation to the serialized object

Parameters:
cl - The Class object for the object being serialized
Throws:
java.io.IOException - Thrown when there's an error writing the annotation to the stream