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Java Source Code / Java Documentation » Web Mail » Jwma » dtw.webmail.directory 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   dtw.webmail.directory.ContextPool

ContextPool
public class ContextPool (Code)
Class that implements a pool for DirContext instances. Note that each context has a distinct connection, thus allows to be used concurrently with the other contexts in the pool. However, a context itself cannot be used concurrently.
author:
   Dieter Wimberger
version:
   0.9.7 07/02/2003
See Also:   javax.naming.directory.DirContext



Constructor Summary
public  ContextPool(int size, String url)
     Constructs a DirContextPool instance.
public  ContextPool(int size, String url, String username, String password)
     Constructs a DirContextPool instance.

Method Summary
public  voidclear()
     Removes all DirContext references from this pool.
public  StringgetBaseFilter()
    
public  intgetCeiling()
     Returns the ceiling (in terms of size) of this pool.
public  String[]getResultAttributes()
    
public  StringgetSearchName()
    
protected  voidinitPool()
     Initializes a pool of DirContext instances.
public synchronized  DirContextleaseContext()
     Returns a leased DirContext instance from this pool.
public synchronized  voidreleaseContext(DirContext ctx)
     Releases a formerly leased DirContext, returning it into this pool.
public  voidresize(int size)
     Resizes the pool.
public  voidsetBaseFilter(String filter)
    
public  voidsetResultAttributes(String[] atts)
    
public  voidsetSearchName(String sname)
    
public  intsize()
     Returns the size of this pool.


Constructor Detail
ContextPool
public ContextPool(int size, String url)(Code)
Constructs a DirContextPool instance.
Parameters:
  size - the size of the pool as int.
Parameters:
  url - the URL specifying the directory context as String.



ContextPool
public ContextPool(int size, String url, String username, String password)(Code)
Constructs a DirContextPool instance. This instance enables authenticated connections to the directory, using the given username and password.
Parameters:
  size - the size of the pool as int.
Parameters:
  url - the URL specifying the directory context as String.
Parameters:
  username - the username to be used for authentication as String.
Parameters:
  password - the password to be used for authentication as String.




Method Detail
clear
public void clear()(Code)
Removes all DirContext references from this pool. Note that it will do so gracefully, waiting for leased ProcessingResources.



getBaseFilter
public String getBaseFilter()(Code)



getCeiling
public int getCeiling()(Code)
Returns the ceiling (in terms of size) of this pool. the ceiling size of this pool as int.



getResultAttributes
public String[] getResultAttributes()(Code)



getSearchName
public String getSearchName()(Code)



initPool
protected void initPool()(Code)
Initializes a pool of DirContext instances.



leaseContext
public synchronized DirContext leaseContext()(Code)
Returns a leased DirContext instance from this pool. the leased DirContext from this pool.



releaseContext
public synchronized void releaseContext(DirContext ctx)(Code)
Releases a formerly leased DirContext, returning it into this pool.
Parameters:
  ctx - the formerly leased DirContextto be released.



resize
public void resize(int size)(Code)
Resizes the pool.
Parameters:
  size - the new size as int.



setBaseFilter
public void setBaseFilter(String filter)(Code)



setResultAttributes
public void setResultAttributes(String[] atts)(Code)



setSearchName
public void setSearchName(String sname)(Code)



size
public int size()(Code)
Returns the size of this pool. the actual size of this pool as int.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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