Java Doc for SelectorProvider.java in  » Apache-Harmony-Java-SE » java-package » java » nio » channels » spi » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.nio.channels.spi 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.nio.channels.spi.SelectorProvider

SelectorProvider
abstract public class SelectorProvider extends Object (Code)
Provider for nio selector and selectable channel.

The provider can be got by system property or the configuration file in a jar file, if not, the system default provider will return. The main function of this class is to return the instance of implementation class of DatagramChannel, Pipe, Selector , ServerSocketChannel, and SocketChannel. All the methods of this class are multi-thread safe.




Constructor Summary
protected  SelectorProvider()
     Constructor for this class.

Method Summary
public  ChannelinheritedChannel()
     Answer the channel inherited from the instance which created this JVM.
static  SelectorProviderloadProviderByJar()
    
static  SelectorProviderloadProviderByProperty()
    
abstract public  DatagramChannelopenDatagramChannel()
     Create a new open DatagramChannel.
abstract public  PipeopenPipe()
     Create a new Pipe.
abstract public  AbstractSelectoropenSelector()
     Create a new selector.
abstract public  ServerSocketChannelopenServerSocketChannel()
     Create a new open ServerSocketChannel.
abstract public  SocketChannelopenSocketChannel()
     Create a new open SocketChannel.
public static synchronized  SelectorProviderprovider()
     Get the provider by following steps in the first calling.

  • If the system property "java.nio.channels.spi.SelectorProvider" is set, the value of this property is the class name of the return provider.
  • If there is a provider-configuration file named "java.nio.channels.spi.SelectorProvider" in META-INF/services of some jar file valid in the system class loader, the first class name is the return provider's class name.


Constructor Detail
SelectorProvider
protected SelectorProvider()(Code)
Constructor for this class.
throws:
  SecurityException - If there is a security manager, and it deniesRuntimePermission("selectorProvider").




Method Detail
inheritedChannel
public Channel inheritedChannel() throws IOException(Code)
Answer the channel inherited from the instance which created this JVM. The channel.
throws:
  IOException - If some I/O exception occurred.
throws:
  SecurityException - If there is a security manager, and it deniesRuntimePermission("selectorProvider").



loadProviderByJar
static SelectorProvider loadProviderByJar()(Code)



loadProviderByProperty
static SelectorProvider loadProviderByProperty()(Code)



openDatagramChannel
abstract public DatagramChannel openDatagramChannel() throws IOException(Code)
Create a new open DatagramChannel. The channel.
throws:
  IOException - If some I/O exception occurred.



openPipe
abstract public Pipe openPipe() throws IOException(Code)
Create a new Pipe. The pipe.
throws:
  IOException - If some I/O exception occurred.



openSelector
abstract public AbstractSelector openSelector() throws IOException(Code)
Create a new selector. The selector.
throws:
  IOException - If some I/O exception occurred.



openServerSocketChannel
abstract public ServerSocketChannel openServerSocketChannel() throws IOException(Code)
Create a new open ServerSocketChannel. The channel.
throws:
  IOException - If some I/O exception occurred.



openSocketChannel
abstract public SocketChannel openSocketChannel() throws IOException(Code)
Create a new open SocketChannel. The channel.
throws:
  IOException - If some I/O exception occurred.



provider
public static synchronized SelectorProvider provider()(Code)
Get the provider by following steps in the first calling.

  • If the system property "java.nio.channels.spi.SelectorProvider" is set, the value of this property is the class name of the return provider.
  • If there is a provider-configuration file named "java.nio.channels.spi.SelectorProvider" in META-INF/services of some jar file valid in the system class loader, the first class name is the return provider's class name.
  • Otherwise, a system default provider will be returned.

The provider.



Methods inherited from java.lang.Object
protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object object)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final public Class<? extends Object> getClass()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
final public void notify()(Code)(Java Doc)
final public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final public void wait(long millis, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait(long millis) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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