org.apache.http.impl.conn

Class PoolingClientConnectionManager

java.lang.Object

org.apache.http.impl.conn.PoolingClientConnectionManager

All Implemented Interfaces:

ClientConnectionManager, org.apache.http.pool.ConnPoolControl<HttpRoute>

Deprecated.

(4.3) use PoolingHttpClientConnectionManager.

@Deprecated
 @Contract(threading=SAFE_CONDITIONAL)
public class PoolingClientConnectionManager
extends java.lang.Object
implements ClientConnectionManager, org.apache.http.pool.ConnPoolControl<HttpRoute>

Manages a pool of OperatedClientConnection and is able to service connection requests from multiple execution threads. Connections are pooled on a per route basis. A request for a route which already the manager has persistent connections for available in the pool will be services by leasing a connection from the pool rather than creating a brand new connection.

PoolingConnectionManager maintains a maximum limit of connection on a per route basis and in total. Per default this implementation will create no more than than 2 concurrent connections per given route and no more 20 connections in total. For many real-world applications these limits may prove too constraining, especially if they use HTTP as a transport protocol for their services. Connection limits, however, can be adjusted using HTTP parameters.

Since:

4.2

Field Summary

Fields

Modifier and Type	Field and Description
private DnsResolver	dnsResolver Deprecated. the custom-configured DNS lookup mechanism.
private org.apache.commons.logging.Log	log Deprecated.
private ClientConnectionOperator	operator Deprecated.
private HttpConnPool	pool Deprecated.
private SchemeRegistry	schemeRegistry Deprecated.

Constructor Summary

Constructors

Constructor and Description
PoolingClientConnectionManager() Deprecated.
PoolingClientConnectionManager(SchemeRegistry schreg) Deprecated.
PoolingClientConnectionManager(SchemeRegistry schreg, DnsResolver dnsResolver) Deprecated.
PoolingClientConnectionManager(SchemeRegistry schemeRegistry, long timeToLive, java.util.concurrent.TimeUnit tunit) Deprecated.
PoolingClientConnectionManager(SchemeRegistry schemeRegistry, long timeToLive, java.util.concurrent.TimeUnit tunit, DnsResolver dnsResolver) Deprecated.

Method Summary

Modifier and Type	Method and Description
void	closeExpiredConnections() Deprecated. Closes all expired connections in the pool.
void	closeIdleConnections(long idleTimeout, java.util.concurrent.TimeUnit tunit) Deprecated. Closes idle connections in the pool.
protected ClientConnectionOperator	createConnectionOperator(SchemeRegistry schreg) Deprecated. Hook for creating the connection operator.
protected void	finalize() Deprecated.
private java.lang.String	format(HttpPoolEntry entry) Deprecated.
private java.lang.String	format(HttpRoute route, java.lang.Object state) Deprecated.
private java.lang.String	formatStats(HttpRoute route) Deprecated.
int	getDefaultMaxPerRoute() Deprecated.
int	getMaxPerRoute(HttpRoute route) Deprecated.
int	getMaxTotal() Deprecated.
SchemeRegistry	getSchemeRegistry() Deprecated. Obtains the scheme registry used by this manager.
org.apache.http.pool.PoolStats	getStats(HttpRoute route) Deprecated.
org.apache.http.pool.PoolStats	getTotalStats() Deprecated.
(package private) ManagedClientConnection	leaseConnection(java.util.concurrent.Future<HttpPoolEntry> future, long timeout, java.util.concurrent.TimeUnit tunit) Deprecated.
void	releaseConnection(ManagedClientConnection conn, long keepalive, java.util.concurrent.TimeUnit tunit) Deprecated. Releases a connection for use by others.
ClientConnectionRequest	requestConnection(HttpRoute route, java.lang.Object state) Deprecated. Returns a new ClientConnectionRequest, from which a ManagedClientConnection can be obtained or the request can be aborted.
void	setDefaultMaxPerRoute(int max) Deprecated.
void	setMaxPerRoute(HttpRoute route, int max) Deprecated.
void	setMaxTotal(int max) Deprecated.
void	shutdown() Deprecated. Shuts down this connection manager and releases allocated resources.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

private final org.apache.commons.logging.Log log

Deprecated.

schemeRegistry

private final SchemeRegistry schemeRegistry

Deprecated.

pool

private final HttpConnPool pool

Deprecated.

operator

private final ClientConnectionOperator operator

Deprecated.

dnsResolver

private final DnsResolver dnsResolver

Deprecated.

the custom-configured DNS lookup mechanism.

Constructor Detail

PoolingClientConnectionManager

public PoolingClientConnectionManager(SchemeRegistry schreg)

Deprecated.

PoolingClientConnectionManager

public PoolingClientConnectionManager(SchemeRegistry schreg,
                                      DnsResolver dnsResolver)

Deprecated.

PoolingClientConnectionManager

public PoolingClientConnectionManager()

Deprecated.

PoolingClientConnectionManager

public PoolingClientConnectionManager(SchemeRegistry schemeRegistry,
                                      long timeToLive,
                                      java.util.concurrent.TimeUnit tunit)

Deprecated.

PoolingClientConnectionManager

public PoolingClientConnectionManager(SchemeRegistry schemeRegistry,
                                      long timeToLive,
                                      java.util.concurrent.TimeUnit tunit,
                                      DnsResolver dnsResolver)

Deprecated.

Method Detail

finalize

protected void finalize()
                 throws java.lang.Throwable

Deprecated.

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable

createConnectionOperator

protected ClientConnectionOperator createConnectionOperator(SchemeRegistry schreg)

Deprecated.

Hook for creating the connection operator. It is called by the constructor. Derived classes can override this method to change the instantiation of the operator. The default implementation here instantiates DefaultClientConnectionOperator.

Parameters:

schreg - the scheme registry.

Returns:

the connection operator to use

getSchemeRegistry

public SchemeRegistry getSchemeRegistry()

Deprecated.

Description copied from interface: ClientConnectionManager

Obtains the scheme registry used by this manager.

Specified by:

getSchemeRegistry in interface ClientConnectionManager

Returns:

the scheme registry, never null

format

private java.lang.String format(HttpRoute route,
                                java.lang.Object state)

Deprecated.

formatStats

private java.lang.String formatStats(HttpRoute route)

Deprecated.

format

private java.lang.String format(HttpPoolEntry entry)

Deprecated.

requestConnection

public ClientConnectionRequest requestConnection(HttpRoute route,
                                                 java.lang.Object state)

Deprecated.

Description copied from interface: ClientConnectionManager

Returns a new ClientConnectionRequest, from which a ManagedClientConnection can be obtained or the request can be aborted.

Specified by:

requestConnection in interface ClientConnectionManager

leaseConnection

ManagedClientConnection leaseConnection(java.util.concurrent.Future<HttpPoolEntry> future,
                                        long timeout,
                                        java.util.concurrent.TimeUnit tunit)
                                 throws java.lang.InterruptedException,
                                        ConnectionPoolTimeoutException

Deprecated.

Throws:

java.lang.InterruptedException

ConnectionPoolTimeoutException

releaseConnection

public void releaseConnection(ManagedClientConnection conn,
                              long keepalive,
                              java.util.concurrent.TimeUnit tunit)

Deprecated.

Description copied from interface: ClientConnectionManager

Releases a connection for use by others. You may optionally specify how long the connection is valid to be reused. Values <= 0 are considered to be valid forever. If the connection is not marked as reusable, the connection will not be reused regardless of the valid duration. If the connection has been released before, the call will be ignored.

Specified by:

releaseConnection in interface ClientConnectionManager

Parameters:

conn - the connection to release

keepalive - the duration of time this connection is valid for reuse

tunit - the unit of time validDuration is measured in

See Also:

ClientConnectionManager.closeExpiredConnections()

shutdown

public void shutdown()

Deprecated.

Description copied from interface: ClientConnectionManager

Shuts down this connection manager and releases allocated resources. This includes closing all connections, whether they are currently used or not.

Specified by:

shutdown in interface ClientConnectionManager

closeIdleConnections

public void closeIdleConnections(long idleTimeout,
                                 java.util.concurrent.TimeUnit tunit)

Deprecated.

Description copied from interface: ClientConnectionManager

Closes idle connections in the pool. Open connections in the pool that have not been used for the timespan given by the argument will be closed. Currently allocated connections are not subject to this method. Times will be checked with milliseconds precision All expired connections will also be closed.

Specified by:

closeIdleConnections in interface ClientConnectionManager

Parameters:

idleTimeout - the idle time of connections to be closed

tunit - the unit for the idletime

See Also:

ClientConnectionManager.closeExpiredConnections()

closeExpiredConnections

public void closeExpiredConnections()

Deprecated.

Description copied from interface: ClientConnectionManager

Closes all expired connections in the pool. Open connections in the pool that have not been used for the timespan defined when the connection was released will be closed. Currently allocated connections are not subject to this method. Times will be checked with milliseconds precision.

Specified by:

closeExpiredConnections in interface ClientConnectionManager

getMaxTotal

public int getMaxTotal()

Deprecated.

Specified by:

getMaxTotal in interface org.apache.http.pool.ConnPoolControl<HttpRoute>

setMaxTotal

public void setMaxTotal(int max)

Deprecated.

Specified by:

setMaxTotal in interface org.apache.http.pool.ConnPoolControl<HttpRoute>

getDefaultMaxPerRoute

public int getDefaultMaxPerRoute()

Deprecated.

Specified by:

getDefaultMaxPerRoute in interface org.apache.http.pool.ConnPoolControl<HttpRoute>

setDefaultMaxPerRoute

public void setDefaultMaxPerRoute(int max)

Deprecated.

Specified by:

setDefaultMaxPerRoute in interface org.apache.http.pool.ConnPoolControl<HttpRoute>

getMaxPerRoute

public int getMaxPerRoute(HttpRoute route)

Deprecated.

Specified by:

getMaxPerRoute in interface org.apache.http.pool.ConnPoolControl<HttpRoute>

setMaxPerRoute

public void setMaxPerRoute(HttpRoute route,
                           int max)

Deprecated.

Specified by:

setMaxPerRoute in interface org.apache.http.pool.ConnPoolControl<HttpRoute>

getTotalStats

public org.apache.http.pool.PoolStats getTotalStats()

Deprecated.

Specified by:

getTotalStats in interface org.apache.http.pool.ConnPoolControl<HttpRoute>

getStats

public org.apache.http.pool.PoolStats getStats(HttpRoute route)

Deprecated.

Specified by:

getStats in interface org.apache.http.pool.ConnPoolControl<HttpRoute>