org.jboss.marshalling

Class ChainingObjectTable

java.lang.Object

org.jboss.marshalling.ChainingObjectTable

All Implemented Interfaces:

ObjectTable

public class ChainingObjectTable
extends java.lang.Object
implements ObjectTable

An object table that multiplexes up to 256 class tables. The protocol works by prepending the custom object table with an identifier byte.

Nested Class Summary

Nested classes/interfaces inherited from interface org.jboss.marshalling.ObjectTable

ObjectTable.Writer

Field Summary

Fields

Modifier and Type	Field and Description
private ObjectTable[]	readers
private java.util.List<Pair<ObjectTable,ObjectTable.Writer>>	writers

Constructor Summary

Constructors

Constructor and Description
ChainingObjectTable(ObjectTable[] objectTables) Construct a new instance.

Method Summary

Modifier and Type	Method and Description
ObjectTable.Writer	getObjectWriter(java.lang.Object obj) Determine whether the given object reference is a valid predefined reference.
private static Pair<ObjectTable,ObjectTable.Writer>	pair(ObjectTable objectTable, ObjectTable.Writer writer)
java.lang.Object	readObject(Unmarshaller unmarshaller) Read an instance from the stream.

Methods inherited from class java.lang.Object

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

Field Detail

writers

private final java.util.List<Pair<ObjectTable,ObjectTable.Writer>> writers

readers

private final ObjectTable[] readers

Constructor Detail

ChainingObjectTable

public ChainingObjectTable(ObjectTable[] objectTables)

Construct a new instance. The given array may be sparse, but it may not be more than 256 elements in length. Object tables are checked in order of increasing array index.

Parameters:

objectTables - the object tables to delegate to

Method Detail

pair

private static Pair<ObjectTable,ObjectTable.Writer> pair(ObjectTable objectTable,
                                                         ObjectTable.Writer writer)

getObjectWriter

public ObjectTable.Writer getObjectWriter(java.lang.Object obj)
                                   throws java.io.IOException

Determine whether the given object reference is a valid predefined reference.

Specified by:

getObjectWriter in interface ObjectTable

Parameters:

obj - the candidate object

Returns:

the object writer, or null to use the default mechanism

Throws:

java.io.IOException - if an I/O error occurs

readObject

public java.lang.Object readObject(Unmarshaller unmarshaller)
                            throws java.io.IOException,
                                   java.lang.ClassNotFoundException

Read an instance from the stream. The instance will have been written by the ObjectTable.getObjectWriter(Object) method's Writer instance, as defined above.

Specified by:

readObject in interface ObjectTable

Parameters:

unmarshaller - the unmarshaller to read from

Returns:

the object instance

Throws:

java.io.IOException - if an I/O error occurs

java.lang.ClassNotFoundException - if a class could not be found