FRAG.FragmentationTable

java.lang.Object
- org.jgroups.protocols.FRAG.FragmentationTable

Enclosing class:

FRAG
```
static class FRAG.FragmentationTable
extends java.lang.Object
```
Keeps track of the fragments that are received. Reassembles fragements into entire messages when all fragments have been received. The fragmentation holds a an array of byte arrays for a unique sender The first dimension of the array is the order of the fragmentation, in case the arrive out of order

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`(package private) static class`	`FRAG.FragmentationTable.FragEntry`	inner class represents an entry for a message each entry holds an array of byte arrays sorted once all the byte buffer entries have been filled the fragmentation is considered complete.

Field Summary

Fields
Modifier and Type Field Description

private Address sender

private java.util.Map<java.lang.Long,FRAG.FragmentationTable.FragEntry> table

Constructor Summary

Constructors
Constructor Description

FragmentationTable(Address sender)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`byte[]`	`add(long id, int frag_id, int tot_frags, byte[] fragment)`	Creates a new entry if not yet present.
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - sender
```
private final Address sender
```
  - table
```
private final java.util.Map<java.lang.Long,FRAG.FragmentationTable.FragEntry> table
```
- Constructor Detail
  - FragmentationTable
```
FragmentationTable(Address sender)
```
- Method Detail
  - add
```
public byte[] add(long id,
                  int frag_id,
                  int tot_frags,
                  byte[] fragment)
```
    Creates a new entry if not yet present. Adds the fragment. If all fragements for a given message have been received, an entire message is reassembled and returned. Otherwise null is returned.
    
    Parameters:
    
    id - - the message ID, unique for a sender
    
    frag_id - the index of this fragmentation (0..tot_frags-1)
    
    tot_frags - the total number of fragmentations expected
    
    fragment - - the byte buffer for this fragment
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object