ConnPool

Type Parameters:

T - the route type that represents the opposite endpoint of a pooled connection.

C - the type of pooled connections.

All Known Subinterfaces:

ManagedConnPool<T,C>

All Known Implementing Classes:

LaxConnPool, StrictConnPool
```
public interface ConnPool<T,C extends ModalCloseable>
```
ConnPool represents a shared pool connections can be leased from and released back to.

Since:

4.2

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.concurrent.Future<PoolEntry<T,C>>`	`lease(T route, java.lang.Object state, Timeout requestTimeout, FutureCallback<PoolEntry<T,C>> callback)`	Attempts to lease a connection for the given route and with the given state from the pool.
`void`	`release(PoolEntry<T,C> entry, boolean reusable)`	Releases the pool entry back to the pool.

- Method Detail
  - lease
```
java.util.concurrent.Future<PoolEntry<T,C>> lease(T route,
                                                        java.lang.Object state,
                                                        Timeout requestTimeout,
                                                        FutureCallback<PoolEntry<T,C>> callback)
```
    Attempts to lease a connection for the given route and with the given state from the pool.
    Please note the connection request can get automatically cancelled by the pool in case of a request timeout.
    
    Parameters:
    
    route - route of the connection.
    
    state - arbitrary object that represents a particular state (usually a security principal or a unique token identifying the user whose credentials have been used while establishing the connection). May be null.
    
    requestTimeout - request timeout. In case of a timeout the request can get automatically cancelled by the pool.
    
    callback - operation completion callback.
    
    Returns:
    
    future for a leased pool entry.
  - release
```
void release(PoolEntry<T,C> entry,
             boolean reusable)
```
    Releases the pool entry back to the pool.
    
    Parameters:
    
    entry - pool entry leased from the pool
    
    reusable - flag indicating whether or not the released connection is in a consistent state and is safe for further use.