Package com.sun.corba.se.impl.transport

Source Code of com.sun.corba.se.impl.transport.CorbaInboundConnectionCacheImpl

/*
* Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.  Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.sun.corba.se.impl.transport;

import java.util.ArrayList;
import java.util.Collection;

import com.sun.corba.se.pept.broker.Broker;
import com.sun.corba.se.pept.transport.Acceptor;
import com.sun.corba.se.pept.transport.Connection;
import com.sun.corba.se.pept.transport.InboundConnectionCache;

import com.sun.corba.se.spi.monitoring.LongMonitoredAttributeBase;
import com.sun.corba.se.spi.monitoring.MonitoringConstants;
import com.sun.corba.se.spi.monitoring.MonitoringFactories;
import com.sun.corba.se.spi.monitoring.MonitoredObject;
import com.sun.corba.se.spi.orb.ORB;
import com.sun.corba.se.spi.transport.CorbaConnectionCache;
import com.sun.corba.se.spi.transport.CorbaAcceptor;

import com.sun.corba.se.impl.orbutil.ORBUtility;

/**
* @author Harold Carr
*/
public class CorbaInboundConnectionCacheImpl
    extends
        CorbaConnectionCacheBase
    implements
        InboundConnectionCache
{
    protected Collection connectionCache;

    public CorbaInboundConnectionCacheImpl(ORB orb, Acceptor acceptor)
    {
        super(orb, acceptor.getConnectionCacheType(),
              ((CorbaAcceptor)acceptor).getMonitoringName());
        this.connectionCache = new ArrayList();
    }

    ////////////////////////////////////////////////////
    //
    // pept.transport.InboundConnectionCache
    //

    public Connection get(Acceptor acceptor)
    {
        throw wrapper.methodShouldNotBeCalled();
    }

    public void put(Acceptor acceptor, Connection connection)
    {
        if (orb.transportDebugFlag) {
            dprint(".put: " + acceptor + " " + connection);
        }
        synchronized (backingStore()) {
            connectionCache.add(connection);
            connection.setConnectionCache(this);
            dprintStatistics();
        }
    }

    public void remove(Connection connection)
    {
        if (orb.transportDebugFlag) {
            dprint(".remove: " +  connection);
        }
        synchronized (backingStore()) {
            connectionCache.remove(connection);
            dprintStatistics();
        }
    }

    ////////////////////////////////////////////////////
    //
    // Implementation
    //

    public Collection values()
    {
        return connectionCache;
    }

    protected Object backingStore()
    {
        return connectionCache;
    }

    protected void registerWithMonitoring()
    {
        // ORB
        MonitoredObject orbMO =
            orb.getMonitoringManager().getRootMonitoredObject();

        // REVISIT - add ORBUtil mkdir -p like operation for this.

        // CONNECTION
        MonitoredObject connectionMO =
            orbMO.getChild(MonitoringConstants.CONNECTION_MONITORING_ROOT);
        if (connectionMO == null) {
            connectionMO =
                MonitoringFactories.getMonitoredObjectFactory()
                    .createMonitoredObject(
                        MonitoringConstants.CONNECTION_MONITORING_ROOT,
                        MonitoringConstants.CONNECTION_MONITORING_ROOT_DESCRIPTION);
            orbMO.addChild(connectionMO);
        }

        // INBOUND CONNECTION
        MonitoredObject inboundConnectionMO =
            connectionMO.getChild(
                MonitoringConstants.INBOUND_CONNECTION_MONITORING_ROOT);
        if (inboundConnectionMO == null) {
            inboundConnectionMO =
                MonitoringFactories.getMonitoredObjectFactory()
                    .createMonitoredObject(
                        MonitoringConstants.INBOUND_CONNECTION_MONITORING_ROOT,
                        MonitoringConstants.INBOUND_CONNECTION_MONITORING_ROOT_DESCRIPTION);
            connectionMO.addChild(inboundConnectionMO);
        }

        // NODE FOR THIS CACHE
        MonitoredObject thisMO =
            inboundConnectionMO.getChild(getMonitoringName());
        if (thisMO == null) {
            thisMO =
                MonitoringFactories.getMonitoredObjectFactory()
                    .createMonitoredObject(
                        getMonitoringName(),
                        MonitoringConstants.CONNECTION_MONITORING_DESCRIPTION);
            inboundConnectionMO.addChild(thisMO);
        }

        LongMonitoredAttributeBase attribute;

        // ATTRIBUTE
        attribute = new
            LongMonitoredAttributeBase(
                MonitoringConstants.CONNECTION_TOTAL_NUMBER_OF_CONNECTIONS,
                MonitoringConstants.CONNECTION_TOTAL_NUMBER_OF_CONNECTIONS_DESCRIPTION)
            {
                public Object getValue() {
                    return new Long(CorbaInboundConnectionCacheImpl.this.numberOfConnections());
                }
            };
        thisMO.addAttribute(attribute);

        // ATTRIBUTE
        attribute = new
            LongMonitoredAttributeBase(
                MonitoringConstants.CONNECTION_NUMBER_OF_IDLE_CONNECTIONS,
                MonitoringConstants.CONNECTION_NUMBER_OF_IDLE_CONNECTIONS_DESCRIPTION)
            {
                public Object getValue() {
                    return new Long(CorbaInboundConnectionCacheImpl.this.numberOfIdleConnections());
                }
            };
        thisMO.addAttribute(attribute);

        // ATTRIBUTE
        attribute = new
            LongMonitoredAttributeBase(
                MonitoringConstants.CONNECTION_NUMBER_OF_BUSY_CONNECTIONS,
                MonitoringConstants.CONNECTION_NUMBER_OF_BUSY_CONNECTIONS_DESCRIPTION)
            {
                public Object getValue() {
                    return new Long(CorbaInboundConnectionCacheImpl.this.numberOfBusyConnections());
                }
            };
        thisMO.addAttribute(attribute);
    }

    protected void dprint(String msg)
    {
        ORBUtility.dprint("CorbaInboundConnectionCacheImpl", msg);
    }
}

// End of file.
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