org.apache.jasper.runtime
Class PerThreadTagHandlerPool

java.lang.Object
  |
  +--org.apache.jasper.runtime.TagHandlerPool
        |
        +--org.apache.jasper.runtime.PerThreadTagHandlerPool

public class PerThreadTagHandlerPool
extends TagHandlerPool

Pool of tag handlers that can be reused. Experimental: use thread local.

Author:
Jan Luehe, Costin Manolache

Field Summary
static int MAX_SIZE
           
 
Fields inherited from class org.apache.jasper.runtime.TagHandlerPool
OPTION_MAXSIZE, OPTION_TAGPOOL
 
Constructor Summary
PerThreadTagHandlerPool()
          Constructs a tag handler pool with the default capacity.
PerThreadTagHandlerPool(int capacity)
          Deprecated.  
 
Method Summary
 javax.servlet.jsp.tagext.Tag get(java.lang.Class handlerClass)
          Gets the next available tag handler from this tag handler pool, instantiating one if this tag handler pool is empty.
protected  void init(javax.servlet.Servlet servlet)
           
 void release()
          Calls the release() method of all available tag handlers in this tag handler pool.
 void reuse(javax.servlet.jsp.tagext.Tag handler)
          Adds the given tag handler to this tag handler pool, unless this tag handler pool has already reached its capacity, in which case the tag handler's release() method is called.
 
Methods inherited from class org.apache.jasper.runtime.TagHandlerPool
getOption, getTagHandlerPool, init
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

MAX_SIZE

public static int MAX_SIZE
Constructor Detail

PerThreadTagHandlerPool

public PerThreadTagHandlerPool()
Constructs a tag handler pool with the default capacity.


PerThreadTagHandlerPool

public PerThreadTagHandlerPool(int capacity)
Deprecated.  

Constructs a tag handler pool with the given capacity.

Parameters:
capacity - Tag handler pool capacity
Method Detail

init

protected void init(javax.servlet.Servlet servlet)

get

public javax.servlet.jsp.tagext.Tag get(java.lang.Class handlerClass)
                                 throws javax.servlet.jsp.JspException
Gets the next available tag handler from this tag handler pool, instantiating one if this tag handler pool is empty.

Overrides:
get in class TagHandlerPool
Parameters:
handlerClass - Tag handler class
Returns:
Reused or newly instantiated tag handler
Throws:
javax.servlet.jsp.JspException - if a tag handler cannot be instantiated

reuse

public void reuse(javax.servlet.jsp.tagext.Tag handler)
Adds the given tag handler to this tag handler pool, unless this tag handler pool has already reached its capacity, in which case the tag handler's release() method is called.

Overrides:
reuse in class TagHandlerPool
Parameters:
handler - Tag handler to add to this tag handler pool

release

public void release()
Calls the release() method of all available tag handlers in this tag handler pool.

Overrides:
release in class TagHandlerPool


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