Package org.apache.http.impl.conn.tsccm

Class AbstractConnPool

  • Direct Known Subclasses:
    ConnPoolByRoute
    @Deprecated
public abstract class AbstractConnPool
extends java.lang.Object
    Deprecated.
    (4.2) use AbstractConnPool
    An abstract connection pool. It is used by the ThreadSafeClientConnManager. The abstract pool includes a poolLock, which is used to synchronize access to the internal pool datastructures. Don't use synchronized for that purpose!
    Since:
    4.0

    • Field Detail

      • log

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

      • poolLock

        protected final java.util.concurrent.locks.Lock poolLock
        Deprecated.
        The global lock for this pool.

      • leasedConnections

        protected java.util.Set<BasicPoolEntry> leasedConnections
        Deprecated.

      • numConnections

        protected int numConnections
        Deprecated.

      • isShutDown

        protected volatile boolean isShutDown
        Deprecated.
        Indicates whether this pool is shut down.

      • issuedConnections

        protected java.util.Set<BasicPoolEntryRef> issuedConnections
        Deprecated.

      • refQueue

        protected java.lang.ref.ReferenceQueue<java.lang.Object> refQueue
        Deprecated.

    • Constructor Detail

      • AbstractConnPool

        protected AbstractConnPool()
        Deprecated.
        Creates a new connection pool.

    • Method Detail

      • enableConnectionGC

        public void enableConnectionGC()
                        throws java.lang.IllegalStateException
        Deprecated.
        Throws:
        java.lang.IllegalStateException

      • getEntry

        public final BasicPoolEntry getEntry​(HttpRoute route,
                                     java.lang.Object state,
                                     long timeout,
                                     java.util.concurrent.TimeUnit timeUnit)
                              throws ConnectionPoolTimeoutException,
                                     java.lang.InterruptedException
        Deprecated.
        Obtains a pool entry with a connection within the given timeout.
        Parameters:
        route - the route for which to get the connection
        state - the state
        timeout - the timeout, 0 or negative for no timeout
        timeUnit - the unit for the timeout, may be null only if there is no timeout
        Returns:
        pool entry holding a connection for the route
        Throws:
        ConnectionPoolTimeoutException - if the timeout expired
        java.lang.InterruptedException - if the calling thread was interrupted

      • requestPoolEntry

        public abstract PoolEntryRequest requestPoolEntry​(HttpRoute route,
                                                  java.lang.Object state)
        Deprecated.
        Returns a new PoolEntryRequest, from which a BasicPoolEntry can be obtained, or the request can be aborted.
        Parameters:
        route - the route
        state - the state
        Returns:
        the entry request

      • freeEntry

        public abstract void freeEntry​(BasicPoolEntry entry,
                               boolean reusable,
                               long validDuration,
                               java.util.concurrent.TimeUnit timeUnit)
        Deprecated.
        Returns an entry into the pool. The connection of the entry is expected to be in a suitable state, either open and re-usable, or closed. The pool will not make any attempt to determine whether it can be re-used or not.
        Parameters:
        entry - the entry for the connection to release
        reusable - true if the entry is deemed reusable, false otherwise.
        validDuration - The duration that the entry should remain free and reusable.
        timeUnit - The unit of time the duration is measured in.

      • handleReference

        public void handleReference​(java.lang.ref.Reference<?> ref)
        Deprecated.

      • handleLostEntry

        protected abstract void handleLostEntry​(HttpRoute route)
        Deprecated.

      • closeIdleConnections

        public void closeIdleConnections​(long idletime,
                                 java.util.concurrent.TimeUnit timeUnit)
        Deprecated.
        Closes idle connections.
        Parameters:
        idletime - the time the connections should have been idle in order to be closed now
        timeUnit - the unit for the idletime

      • closeExpiredConnections

        public void closeExpiredConnections()
        Deprecated.

      • deleteClosedConnections

        public abstract void deleteClosedConnections()
        Deprecated.
        Deletes all entries for closed connections.

      • shutdown

        public void shutdown()
        Deprecated.
        Shuts down this pool and all associated resources. Overriding methods MUST call the implementation here!

      • closeConnection

        protected void closeConnection​(OperatedClientConnection conn)
        Deprecated.
        Closes a connection from this pool.
        Parameters:
        conn - the connection to close, or null