org.jcon.persistance
Class LookupOutputStream

java.lang.Object
  java.io.OutputStream
      java.io.ObjectOutputStream
          org.jcon.persistance.LookupOutputStream

All Implemented Interfaces:

java.io.Closeable, java.io.DataOutput, java.io.Flushable, java.io.ObjectOutput, java.io.ObjectStreamConstants

public class LookupOutputStream
extends java.io.ObjectOutputStream

An output stream that exchanges references to objects found in a lookup table for a lookup index that can be used during deserialization to locate the original object.

Version:

1.0 8/14/97

Author:

Paul Reavis

Nested Class Summary

Nested classes/interfaces inherited from class java.io.ObjectOutputStream

java.io.ObjectOutputStream.PutField

Field Summary

Fields inherited from interface java.io.ObjectStreamConstants

baseWireHandle, PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, SC_BLOCK_DATA, SC_ENUM, 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_ENUM, TC_EXCEPTION, TC_LONGSTRING, TC_MAX, TC_NULL, TC_OBJECT, TC_PROXYCLASSDESC, TC_REFERENCE, TC_RESET, TC_STRING

Constructor Summary

LookupOutputStream(java.io.OutputStream outie, LookupDatabase lookup)
Creates a new LookupOutputStream on the OutputStream.

Method Summary

LookupDatabase	getLookup() The lookup database used.
protected java.lang.Object	replaceObject(java.lang.Object obj) This is where the magic happens.
void	setLookup(LookupDatabase newLookup) The lookup database used.

Methods inherited from class java.io.ObjectOutputStream

annotateClass, annotateProxyClass, close, defaultWriteObject, drain, enableReplaceObject, flush, putFields, 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

Constructor Detail

LookupOutputStream

public LookupOutputStream(java.io.OutputStream outie,
                          LookupDatabase lookup)
                   throws java.io.IOException

Creates a new LookupOutputStream on the OutputStream.

Throws:

java.io.IOException

Method Detail

getLookup

public LookupDatabase getLookup()

The lookup database used.

setLookup

public void setLookup(LookupDatabase newLookup)

The lookup database used.

replaceObject

protected java.lang.Object replaceObject(java.lang.Object obj)
                                  throws java.io.IOException

This is where the magic happens.

Overrides:

replaceObject in class java.io.ObjectOutputStream

Throws:

java.io.IOException