VariableMarshaller (ActiveMQ 5.17.0 API)

java.lang.Object
- org.apache.activemq.store.kahadb.disk.util.VariableMarshaller<T>

Type Parameters:

T -

All Implemented Interfaces:

Marshaller<T>

Direct Known Subclasses:

BTreeNode.Marshaller, ListNode.NodeMarshaller, MessageDatabase.MessageKeysMarshaller, MessageDatabase.MessageStoreStatisticsMarshaller, MessageDatabase.StoredDestinationMarshaller, TempMessageDatabase.MessageKeysMarshaller, TempMessageDatabase.StoredDestinationMarshaller
```
public abstract class VariableMarshaller<T>
extends Object
implements Marshaller<T>
```
Convenience base class for Marshaller implementations which do not deepCopy and which use variable size encodings.

Author:

chirino

- Constructor Summary
  
  Constructors
  Constructor Description
  
  VariableMarshaller()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  T deepCopy(T source)
  
  int getFixedSize()
  
  boolean isDeepCopySupported()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface org.apache.activemq.store.kahadb.disk.util.Marshaller
    readPayload, writePayload

- Constructor Detail
  - VariableMarshaller
```
public VariableMarshaller()
```
- Method Detail
  - getFixedSize
```
public int getFixedSize()
```
    Specified by:
    
    getFixedSize in interface Marshaller<T>
    
    Returns:
    
    -1 if the object do not always marshall to a fixed size, otherwise return that fixed size.
  - isDeepCopySupported
```
public boolean isDeepCopySupported()
```
    Specified by:
    
    isDeepCopySupported in interface Marshaller<T>
    
    Returns:
    
    true if the Marshaller.deepCopy(Object) operations is supported.
  - deepCopy
```
public T deepCopy(T source)
```
    Specified by:
    
    deepCopy in interface Marshaller<T>
    
    Returns:
    
    a deep copy of the source object.