java.io.Serializable
public final class ContextMap
extends java.lang.Object
implements java.io.Serializable
Modifier and Type | Field | Description |
---|---|---|
private static java.lang.ThreadLocal |
c_localContext |
|
private java.util.Hashtable |
m_map |
|
private ContextMap |
m_parent |
|
private boolean |
m_readOnly |
Constructor | Description |
---|---|
ContextMap() |
Default constructor.
|
ContextMap(ContextMap parent) |
Constructor that sets parent contextMap.
|
Modifier and Type | Method | Description |
---|---|---|
static void |
bind(ContextMap context) |
Bind a particular ContextMap to current thread.
|
private void |
checkReadable() |
Utility method to verify that Context is read-only.
|
void |
clear() |
Empty the context map.
|
java.lang.Object |
get(java.lang.String key) |
Get an entry from the context.
|
java.lang.Object |
get(java.lang.String key,
java.lang.Object defaultObject) |
Get an entry from the context.
|
static ContextMap |
getCurrentContext() |
Get the Current ContextMap.
|
static ContextMap |
getCurrentContext(boolean autocreate) |
Get the Current ContextMap.
|
int |
getSize() |
Get the number of contexts in map.
|
boolean |
isReadOnly() |
Determine if context is read-only.
|
void |
makeReadOnly() |
Make the context read-only.
|
private java.lang.Object |
readResolve() |
Helper method that sets context to read-only after de-serialization.
|
void |
set(java.lang.String key,
java.lang.Object value) |
Set a value in context
|
private static final java.lang.ThreadLocal c_localContext
private final ContextMap m_parent
private java.util.Hashtable m_map
private transient boolean m_readOnly
public ContextMap()
public ContextMap(ContextMap parent)
parent
- the parent ContextMappublic static final ContextMap getCurrentContext()
public static final ContextMap getCurrentContext(boolean autocreate)
autocreate
- true if a ContextMap is to be created if it doesn't existpublic static final void bind(ContextMap context)
context
- the context map (may be null)public void makeReadOnly()
public boolean isReadOnly()
public void clear()
public java.lang.Object get(java.lang.String key, java.lang.Object defaultObject)
key
- the key to mapdefaultObject
- a default object to return if key does not existpublic java.lang.Object get(java.lang.String key)
key
- the key to mappublic void set(java.lang.String key, java.lang.Object value)
key
- the keyvalue
- the value (may be null)public int getSize()
private java.lang.Object readResolve()
private void checkReadable()
Copyright © 2003-2004 The Apache Software Foundation. All Rights Reserved.