Overview  Package    Class   Use  Tree  Deprecated  Index  Help
PREV CLASS    NEXT CLASS	NO FRAMES
SUMMARY: NESTED | FIELD |  CONSTR |  METHOD	DETAIL: FIELD |  CONSTR |  METHOD

---

org.eclipse.emf.transaction.util
Class BasicTransactionOptionMetadataRegistry

java.lang.Object
  

java.util.AbstractMap<K,V>
      

java.util.concurrent.ConcurrentHashMap<
Object,
Transaction.OptionMetadata>
          
org.eclipse.emf.transaction.util.BasicTransactionOptionMetadataRegistry

All Implemented Interfaces:

Serializable, ConcurrentMap< Object, Transaction.OptionMetadata>, Map< Object, Transaction.OptionMetadata>, Transaction.OptionMetadata.Registry

---

public class BasicTransactionOptionMetadataRegistry
extends 
ConcurrentHashMap<
Object,
Transaction.OptionMetadata>
implements 
Transaction.OptionMetadata.Registry

A simple implementation of the transaction option metadata registry API.

Since:

1.3

See Also:

Serialized Form

---

Nested Class Summary

 

Nested classes/interfaces inherited from interface java.util. Map
Map.Entry< K, V>

 

Field Summary

 

Fields inherited from interface org.eclipse.emf.transaction. Transaction.OptionMetadata.Registry
INSTANCE

 

Constructor Summary
	BasicTransactionOptionMetadataRegistry ()           Initializes me with the shared registry instance as my delegate.
protected	BasicTransactionOptionMetadataRegistry ( Transaction.OptionMetadata.Registry delegate)           Initializes me with a registry to which I delegate options that I do not provide for.

 

Method Summary
protected   Transaction.OptionMetadata	basicGetOptionMetadata ( Object option)           Gets the specified option's metadata, possibly from a delegate, without lazily creating and caching a result for unrecognized options.
protected   Transaction.OptionMetadata	delegatedGetOptionMetadata ( Object option)
Transaction.OptionMetadata	getOptionMetadata ( Object option)            Obtains a metadata object describing the specified transaction option. This implementation caches, locally, the lazily created metadata for options that are unrecognized.
Transaction.OptionMetadata	register ( Transaction.OptionMetadata metadata)           Registers an option metadata descriptor.

 

Methods inherited from class java.util.concurrent. ConcurrentHashMap
clear, contains, containsKey, containsValue, elements, entrySet, get, isEmpty, keys, keySet, put, putAll, putIfAbsent, remove, remove, replace, replace, size, values

 

Methods inherited from class java.util. AbstractMap
clone, equals, hashCode, toString

 

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

 

Methods inherited from interface java.util. Map
equals, hashCode

 

Constructor Detail

BasicTransactionOptionMetadataRegistry

public BasicTransactionOptionMetadataRegistry()

Initializes me with the shared registry instance as my delegate.

---

BasicTransactionOptionMetadataRegistry

protected BasicTransactionOptionMetadataRegistry(
Transaction.OptionMetadata.Registry delegate)

Initializes me with a registry to which I delegate options that I do not provide for.

Parameters:

delegate - my delegate

Method Detail

getOptionMetadata

public 
Transaction.OptionMetadata getOptionMetadata(
Object option)

Obtains a metadata object describing the specified transaction option. For unrecognized options, a default meta-data is provided that gives reasonable answers.

This implementation caches, locally, the lazily created metadata for options that are unrecognized.

Specified by:

getOptionMetadata in interface Transaction.OptionMetadata.Registry

Parameters:

option - an option key

Returns:

the option meta-data (never null)

---

basicGetOptionMetadata

protected 
Transaction.OptionMetadata basicGetOptionMetadata(
Object option)

Gets the specified option's metadata, possibly from a delegate, without lazily creating and caching a result for unrecognized options.

Parameters:

option - the option

Returns:

its metadata, or null if none is found in either the local or the delegate registry

---

delegatedGetOptionMetadata

protected 
Transaction.OptionMetadata delegatedGetOptionMetadata(
Object option)

---

register

public 
Transaction.OptionMetadata register(
Transaction.OptionMetadata metadata)

Registers an option metadata descriptor.

Parameters:

metadata - the option metadata to register

Returns:

the metadata displaced by the new object, if previously we had a descriptor for the same option, otherwise null

---

Overview  Package    Class   Use  Tree  Deprecated  Index  Help		Copyright 2002, 2007 IBM Corporation and others. All Rights Reserved.
PREV CLASS    NEXT CLASS	NO FRAMES
SUMMARY: NESTED | FIELD |  CONSTR |  METHOD	DETAIL: FIELD |  CONSTR |  METHOD

---