com.sun.grizzly.connectioncache.client.CacheableConnectorHandlerPool Maven / Gradle / Ivy

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package com.sun.grizzly.connectioncache.client;


import com.sun.grizzly.ConnectorHandler;
import com.sun.grizzly.ConnectorHandlerPool;
import com.sun.grizzly.ConnectorInstanceHandler;
import com.sun.grizzly.Controller;
import com.sun.grizzly.Controller.Protocol;
import com.sun.grizzly.DefaultConnectorHandlerPool;
import com.sun.grizzly.connectioncache.spi.transport.ConnectionCacheFactory;
import com.sun.grizzly.connectioncache.spi.transport.ConnectionFinder;
import com.sun.grizzly.connectioncache.spi.transport.OutboundConnectionCache;

/**
 * ConnectorInstanceHandler which use a
 * ConcurrentQueue to pool CacheableConnectorHandler
 *
 * @author Alexey Stashok
 */
public class CacheableConnectorHandlerPool implements 
        ConnectorHandlerPool {
    
    private Controller controller;
    private ConnectorHandlerPool protocolConnectorHandlerPool;
    private ConnectorInstanceHandler connectorInstanceHandler;
    private OutboundConnectionCache outboundConnectionCache;
    private ConnectionFinder connectionFinder;
    
    public CacheableConnectorHandlerPool(Controller controller, int highWaterMark,
            int numberToReclaim, int maxParallel) {
            this(controller, highWaterMark, numberToReclaim, maxParallel, null);
    }
    
    public CacheableConnectorHandlerPool(Controller controller, int highWaterMark,
            int numberToReclaim, int maxParallel, ConnectionFinder connectionFinder) {
        this.controller = controller;
        this.outboundConnectionCache = 
                ConnectionCacheFactory.makeBlockingOutboundConnectionCache(
                "Grizzly outbound connection cache", highWaterMark, 
                numberToReclaim, maxParallel, Controller.logger());
        this.connectionFinder = connectionFinder;
        protocolConnectorHandlerPool = new DefaultConnectorHandlerPool(controller);
        connectorInstanceHandler = new CacheableConnectorInstanceHandler();
    }

    public CacheableConnectorHandler acquireConnectorHandler(Protocol protocol) {
        CacheableConnectorHandler connectorHandler = connectorInstanceHandler.acquire();
        connectorHandler.setProtocol(protocol);
        return connectorHandler;
    }
    
    public void releaseConnectorHandler(CacheableConnectorHandler connectorHandler) {
        connectorInstanceHandler.release(connectorHandler);
    }
    
    OutboundConnectionCache getOutboundConnectionCache() {
        return outboundConnectionCache;
    }

    ConnectionFinder getConnectionFinder() {
        return connectionFinder;
    }

    Controller getController() {
        return controller;
    }
    
    ConnectorHandlerPool getProtocolConnectorHandlerPool() {
        return protocolConnectorHandlerPool;
    }
            
    /**
     * Default ConnectorInstanceHandler which use a
     * ConcurrentQueue to pool {@link ConnectorHandler}
     */
    private class CacheableConnectorInstanceHandler extends
            ConnectorInstanceHandler.ConcurrentQueueConnectorInstanceHandler {
        
        public CacheableConnectorHandler newInstance() {
            return new CacheableConnectorHandler(CacheableConnectorHandlerPool.this);
        }
    }
}