tyrex.naming
Class MemoryContext
java.lang.Object
|
+--tyrex.naming.MemoryContext
- All Implemented Interfaces:
- javax.naming.Context
- public class MemoryContext
- extends java.lang.Object
- implements javax.naming.Context
An in-memory JNDI service provider. Binds objects into a namespace
held entirely in memory, supporting serializable, remoteable and
local objects. The in-memory service provider is particularly useful
for holding resource factories (the JNDI ENC) and exposing run-time
services and configuration objects.
An instance of MemoryContext
constructed with no environment
attribute will use it's namespace and serve as the root of that namespace.
Such a namespace is no accessible except through the creating context,
and is garbage collected when all such contexts are no longer
referenced. If necessary the root context can be duplicated using
lookup( "" ).
If the environment attribute Context.PROVIDER_URL
is set,
the context will reference a node in a namespace shared by all such
contexts. That tree is statically held in memory for the life time
of the virtual machine.
- Version:
- $Revision: 1.10 $ $Date: 2001/03/19 17:39:00 $
- Author:
- Assaf Arkin
- See Also:
MemoryContextFactory
Field Summary |
static javax.naming.NameParser |
DefaultNameParser
The default name parser for this context. |
static java.lang.String |
NameSeparator
The default name separator for this context is '/'. |
static java.lang.String |
ReadOnly
Environment attribute to set a context read-only. |
Fields inherited from interface javax.naming.Context |
APPLET, AUTHORITATIVE, BATCHSIZE, DNS_URL, INITIAL_CONTEXT_FACTORY, LANGUAGE, OBJECT_FACTORIES, PROVIDER_URL, REFERRAL, SECURITY_AUTHENTICATION, SECURITY_CREDENTIALS, SECURITY_PRINCIPAL, SECURITY_PROTOCOL, STATE_FACTORIES, URL_PKG_PREFIXES |
Constructor Summary |
|
MemoryContext(java.util.Hashtable env)
Construct a new context with the specified environment
attributes. |
(package private) |
MemoryContext(MemoryBinding bindings,
java.util.Hashtable env)
Construct a new context with the specified bindings and
environment attributes. |
Method Summary |
java.lang.Object |
addToEnvironment(java.lang.String name,
java.lang.Object value)
|
void |
bind(javax.naming.Name name,
java.lang.Object value)
|
void |
bind(java.lang.String name,
java.lang.Object value)
|
void |
close()
|
javax.naming.Name |
composeName(javax.naming.Name name,
javax.naming.Name prefix)
|
java.lang.String |
composeName(java.lang.String name,
java.lang.String prefix)
|
javax.naming.Context |
createSubcontext(javax.naming.Name name)
|
javax.naming.Context |
createSubcontext(java.lang.String name)
|
(package private) void |
debug(java.io.PrintWriter writer)
|
void |
destroySubcontext(javax.naming.Name name)
|
void |
destroySubcontext(java.lang.String name)
|
MemoryBinding |
getBindings()
Returns the bindings represented by this context. |
java.util.Hashtable |
getEnvironment()
|
java.lang.String |
getNameInNamespace()
|
javax.naming.NameParser |
getNameParser(javax.naming.Name name)
|
javax.naming.NameParser |
getNameParser(java.lang.String name)
|
javax.naming.NamingEnumeration |
list(javax.naming.Name name)
|
javax.naming.NamingEnumeration |
list(java.lang.String name)
|
javax.naming.NamingEnumeration |
listBindings(javax.naming.Name name)
|
javax.naming.NamingEnumeration |
listBindings(java.lang.String name)
|
java.lang.Object |
lookup(javax.naming.Name name)
|
java.lang.Object |
lookup(java.lang.String name)
|
java.lang.Object |
lookupLink(javax.naming.Name name)
|
java.lang.Object |
lookupLink(java.lang.String name)
|
void |
rebind(javax.naming.Name name,
java.lang.Object value)
|
void |
rebind(java.lang.String name,
java.lang.Object value)
|
java.lang.Object |
removeFromEnvironment(java.lang.String name)
|
void |
rename(javax.naming.Name oldName,
javax.naming.Name newName)
|
void |
rename(java.lang.String oldName,
java.lang.String newName)
|
java.lang.String |
toString()
|
void |
unbind(javax.naming.Name name)
|
void |
unbind(java.lang.String name)
|
Methods inherited from class java.lang.Object |
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
ReadOnly
public static final java.lang.String ReadOnly
- Environment attribute to set a context read-only. The value
must be a string equal to true. Once the context has
been set read-only, it cannot be reset to read-write.
NameSeparator
public static final java.lang.String NameSeparator
- The default name separator for this context is '/'.
DefaultNameParser
public static final javax.naming.NameParser DefaultNameParser
- The default name parser for this context.
MemoryContext
public MemoryContext(java.util.Hashtable env)
throws javax.naming.NamingException
- Construct a new context with the specified environment
attributes. The environment property
Context.PROVIDER_URL
names the underlying bindings. If the property is absent, the
returned context has it's own binding space which is not shared
with other contexts created in this manner.
- Parameters:
env
- The environment attributes- Throws:
javax.naming.NotContextException
- The attribute Context.PROVIDER_URL
does not specify a contextjavax.naming.InvalidNameException
- The attribute Context.PROVIDER_URL
is an invalid name
MemoryContext
MemoryContext(MemoryBinding bindings,
java.util.Hashtable env)
- Construct a new context with the specified bindings and
environment attributes.
lookup
public java.lang.Object lookup(java.lang.String name)
throws javax.naming.NamingException
- Specified by:
lookup
in interface javax.naming.Context
lookup
public java.lang.Object lookup(javax.naming.Name name)
throws javax.naming.NamingException
- Specified by:
lookup
in interface javax.naming.Context
lookupLink
public java.lang.Object lookupLink(java.lang.String name)
throws javax.naming.NamingException
- Specified by:
lookupLink
in interface javax.naming.Context
lookupLink
public java.lang.Object lookupLink(javax.naming.Name name)
throws javax.naming.NamingException
- Specified by:
lookupLink
in interface javax.naming.Context
bind
public void bind(java.lang.String name,
java.lang.Object value)
throws javax.naming.NamingException
- Specified by:
bind
in interface javax.naming.Context
bind
public void bind(javax.naming.Name name,
java.lang.Object value)
throws javax.naming.NamingException
- Specified by:
bind
in interface javax.naming.Context
rebind
public void rebind(java.lang.String name,
java.lang.Object value)
throws javax.naming.NamingException
- Specified by:
rebind
in interface javax.naming.Context
rebind
public void rebind(javax.naming.Name name,
java.lang.Object value)
throws javax.naming.NamingException
- Specified by:
rebind
in interface javax.naming.Context
unbind
public void unbind(java.lang.String name)
throws javax.naming.NamingException
- Specified by:
unbind
in interface javax.naming.Context
unbind
public void unbind(javax.naming.Name name)
throws javax.naming.NamingException
- Specified by:
unbind
in interface javax.naming.Context
rename
public void rename(java.lang.String oldName,
java.lang.String newName)
throws javax.naming.NamingException
- Specified by:
rename
in interface javax.naming.Context
rename
public void rename(javax.naming.Name oldName,
javax.naming.Name newName)
throws javax.naming.NamingException
- Specified by:
rename
in interface javax.naming.Context
list
public javax.naming.NamingEnumeration list(java.lang.String name)
throws javax.naming.NamingException
- Specified by:
list
in interface javax.naming.Context
list
public javax.naming.NamingEnumeration list(javax.naming.Name name)
throws javax.naming.NamingException
- Specified by:
list
in interface javax.naming.Context
listBindings
public javax.naming.NamingEnumeration listBindings(java.lang.String name)
throws javax.naming.NamingException
- Specified by:
listBindings
in interface javax.naming.Context
listBindings
public javax.naming.NamingEnumeration listBindings(javax.naming.Name name)
throws javax.naming.NamingException
- Specified by:
listBindings
in interface javax.naming.Context
createSubcontext
public javax.naming.Context createSubcontext(java.lang.String name)
throws javax.naming.NamingException
- Specified by:
createSubcontext
in interface javax.naming.Context
createSubcontext
public javax.naming.Context createSubcontext(javax.naming.Name name)
throws javax.naming.NamingException
- Specified by:
createSubcontext
in interface javax.naming.Context
destroySubcontext
public void destroySubcontext(java.lang.String name)
throws javax.naming.NamingException
- Specified by:
destroySubcontext
in interface javax.naming.Context
destroySubcontext
public void destroySubcontext(javax.naming.Name name)
throws javax.naming.NamingException
- Specified by:
destroySubcontext
in interface javax.naming.Context
getNameParser
public javax.naming.NameParser getNameParser(java.lang.String name)
throws javax.naming.NamingException
- Specified by:
getNameParser
in interface javax.naming.Context
getNameParser
public javax.naming.NameParser getNameParser(javax.naming.Name name)
throws javax.naming.NamingException
- Specified by:
getNameParser
in interface javax.naming.Context
composeName
public javax.naming.Name composeName(javax.naming.Name name,
javax.naming.Name prefix)
throws javax.naming.NamingException
- Specified by:
composeName
in interface javax.naming.Context
composeName
public java.lang.String composeName(java.lang.String name,
java.lang.String prefix)
- Specified by:
composeName
in interface javax.naming.Context
getNameInNamespace
public java.lang.String getNameInNamespace()
throws javax.naming.NamingException
- Specified by:
getNameInNamespace
in interface javax.naming.Context
addToEnvironment
public java.lang.Object addToEnvironment(java.lang.String name,
java.lang.Object value)
throws javax.naming.NamingException
- Specified by:
addToEnvironment
in interface javax.naming.Context
getEnvironment
public java.util.Hashtable getEnvironment()
- Specified by:
getEnvironment
in interface javax.naming.Context
removeFromEnvironment
public java.lang.Object removeFromEnvironment(java.lang.String name)
- Specified by:
removeFromEnvironment
in interface javax.naming.Context
close
public void close()
- Specified by:
close
in interface javax.naming.Context
toString
public java.lang.String toString()
- Overrides:
toString
in class java.lang.Object
getBindings
public MemoryBinding getBindings()
- Returns the bindings represented by this context.
Used when assigning a memory context into the ENC.
debug
void debug(java.io.PrintWriter writer)
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