111 lines
3.7 KiB
HTML
111 lines
3.7 KiB
HTML
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<html>
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<head>
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<link href='./_highlighter/SyntaxHighlighter.css' rel='stylesheet' type='text/css'/>
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<script language='javascript' src='./_highlighter/shAll.js'></script>
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</head>
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<body>
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<pre name="code" class="scala" style="width:100%">
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/**
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* Copyright (C) 2009 Scalable Solutions.
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*/
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package se.scalablesolutions.akka.state
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import org.apache.commons.pool._
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import org.apache.commons.pool.impl._
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import org.apache.thrift.transport._
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trait Pool[T] extends java.io.Closeable {
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def borrowObject: T
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def returnObject(t: T): Unit
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def invalidateObject(t: T): Unit
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def addObject: Unit
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def getNumIdle: Int
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def getNumActive: Int
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def clear: Unit
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def setFactory(factory: PoolItemFactory[T]): Unit
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}
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trait PoolFactory[T] {
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def createPool: Pool[T]
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}
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trait PoolItemFactory[T] {
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def makeObject: T
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def destroyObject(t: T): Unit
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def validateObject(t: T): Boolean
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def activateObject(t: T): Unit
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def passivateObject(t: T): Unit
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}
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trait PoolBridge[T, OP <: ObjectPool] extends Pool[T] {
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val impl: OP
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override def borrowObject: T = impl.borrowObject.asInstanceOf[T]
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override def returnObject(t: T) = impl.returnObject(t)
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override def invalidateObject(t: T) = impl.invalidateObject(t)
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override def addObject = impl.addObject
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override def getNumIdle: Int = impl.getNumIdle
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override def getNumActive: Int = impl.getNumActive
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override def clear: Unit = impl.clear
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override def close: Unit = impl.close
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override def setFactory(factory: PoolItemFactory[T]) = impl.setFactory(toPoolableObjectFactory(factory))
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def toPoolableObjectFactory[T](pif: PoolItemFactory[T]) = new PoolableObjectFactory {
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def makeObject: Object = pif.makeObject.asInstanceOf[Object]
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def destroyObject(o: Object): Unit = pif.destroyObject(o.asInstanceOf[T])
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def validateObject(o: Object): Boolean = pif.validateObject(o.asInstanceOf[T])
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def activateObject(o: Object): Unit = pif.activateObject(o.asInstanceOf[T])
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def passivateObject(o: Object): Unit = pif.passivateObject(o.asInstanceOf[T])
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}
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}
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object StackPool {
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def apply[T](factory: PoolItemFactory[T]) = new PoolBridge[T,StackObjectPool] {
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val impl = new StackObjectPool(toPoolableObjectFactory(factory))
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}
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def apply[T](factory: PoolItemFactory[T], maxIdle: Int) = new PoolBridge[T,StackObjectPool] {
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val impl = new StackObjectPool(toPoolableObjectFactory(factory),maxIdle)
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}
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def apply[T](factory: PoolItemFactory[T], maxIdle: Int, initIdleCapacity: Int) = new PoolBridge[T,StackObjectPool] {
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val impl = new StackObjectPool(toPoolableObjectFactory(factory),maxIdle,initIdleCapacity)
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}
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}
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object SoftRefPool {
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def apply[T](factory: PoolItemFactory[T]) = new PoolBridge[T,SoftReferenceObjectPool] {
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val impl = new SoftReferenceObjectPool(toPoolableObjectFactory(factory))
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}
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def apply[T](factory: PoolItemFactory[T], initSize: Int) = new PoolBridge[T,SoftReferenceObjectPool] {
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val impl = new SoftReferenceObjectPool(toPoolableObjectFactory(factory),initSize)
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}
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}
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trait TransportFactory[T <: TTransport] extends PoolItemFactory[T] {
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def createTransport: T
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def makeObject: T = createTransport
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def destroyObject(transport: T): Unit = transport.close
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def validateObject(transport: T) = transport.isOpen
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def activateObject(transport: T): Unit = if( !transport.isOpen ) transport.open else ()
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def passivateObject(transport: T): Unit = transport.flush
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}
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case class SocketProvider(val host: String, val port: Int) extends TransportFactory[TSocket] {
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def createTransport = {
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val t = new TSocket(host, port)
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t.open
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t
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}
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}
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</pre>
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<script language='javascript'>
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dp.SyntaxHighlighter.ClipboardSwf = './_highlighter/clipboard.swf';
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dp.SyntaxHighlighter.HighlightAll('code');
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</script>
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</body>
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</html>
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