jdk.nio.channels.spi.AsynchronousChannelProvider
Service-provider class for asynchronous channels.
An asynchronous channel provider is a concrete subclass of this class that has a zero-argument constructor and implements the abstract methods specified below. A given invocation of the Java virtual machine maintains a single system-wide default provider instance, which is returned by the provider method. The first invocation of that method will locate the default provider as specified below.
All of the methods in this class are safe for use by multiple concurrent threads.
Service-provider class for asynchronous channels. An asynchronous channel provider is a concrete subclass of this class that has a zero-argument constructor and implements the abstract methods specified below. A given invocation of the Java virtual machine maintains a single system-wide default provider instance, which is returned by the provider method. The first invocation of that method will locate the default provider as specified below. All of the methods in this class are safe for use by multiple concurrent threads.
*providerclj
(*provider)Returns the system-wide default asynchronous channel provider for this invocation of the Java virtual machine.
The first invocation of this method locates the default provider object as follows:
If the system property
java.nio.channels.spi.AsynchronousChannelProvider is defined then it is taken to be the fully-qualified name of a concrete provider class. The class is loaded and instantiated; if this process fails then an unspecified error is thrown.
If a provider class has been installed in a jar file that is
visible to the system class loader, and that jar file contains a provider-configuration file named java.nio.channels.spi.AsynchronousChannelProvider in the resource directory META-INF/services, then the first class name specified in that file is taken. The class is loaded and instantiated; if this process fails then an unspecified error is thrown.
Finally, if no provider has been specified by any of the above
means then the system-default provider class is instantiated and the result is returned.
Subsequent invocations of this method return the provider that was returned by the first invocation.
returns: The system-wide default AsynchronousChannel provider - java.nio.channels.spi.AsynchronousChannelProvider
Returns the system-wide default asynchronous channel provider for this
invocation of the Java virtual machine.
The first invocation of this method locates the default provider
object as follows:
If the system property
java.nio.channels.spi.AsynchronousChannelProvider is defined
then it is taken to be the fully-qualified name of a concrete provider class.
The class is loaded and instantiated; if this process fails then an
unspecified error is thrown.
If a provider class has been installed in a jar file that is
visible to the system class loader, and that jar file contains a
provider-configuration file named
java.nio.channels.spi.AsynchronousChannelProvider in the resource
directory META-INF/services, then the first class name
specified in that file is taken. The class is loaded and
instantiated; if this process fails then an unspecified error is
thrown.
Finally, if no provider has been specified by any of the above
means then the system-default provider class is instantiated and the
result is returned.
Subsequent invocations of this method return the provider that was
returned by the first invocation.
returns: The system-wide default AsynchronousChannel provider - `java.nio.channels.spi.AsynchronousChannelProvider`open-asynchronous-channel-groupclj
(open-asynchronous-channel-group this n-threads thread-factory)Constructs a new asynchronous channel group with a fixed thread pool.
n-threads - The number of threads in the pool - int
thread-factory - The factory to use when creating new threads - java.util.concurrent.ThreadFactory
returns: A new asynchronous channel group - java.nio.channels.AsynchronousChannelGroup
throws: java.lang.IllegalArgumentException - If nThreads <= 0
Constructs a new asynchronous channel group with a fixed thread pool. n-threads - The number of threads in the pool - `int` thread-factory - The factory to use when creating new threads - `java.util.concurrent.ThreadFactory` returns: A new asynchronous channel group - `java.nio.channels.AsynchronousChannelGroup` throws: java.lang.IllegalArgumentException - If nThreads <= 0
open-asynchronous-server-socket-channelclj
(open-asynchronous-server-socket-channel this group)Opens an asynchronous server-socket channel.
group - The group to which the channel is bound, or null to bind to the default group - java.nio.channels.AsynchronousChannelGroup
returns: The new channel - java.nio.channels.AsynchronousServerSocketChannel
throws: java.nio.channels.IllegalChannelGroupException - If the provider that created the group differs from this provider
Opens an asynchronous server-socket channel. group - The group to which the channel is bound, or null to bind to the default group - `java.nio.channels.AsynchronousChannelGroup` returns: The new channel - `java.nio.channels.AsynchronousServerSocketChannel` throws: java.nio.channels.IllegalChannelGroupException - If the provider that created the group differs from this provider
open-asynchronous-socket-channelclj
(open-asynchronous-socket-channel this group)Opens an asynchronous socket channel.
group - The group to which the channel is bound, or null to bind to the default group - java.nio.channels.AsynchronousChannelGroup
returns: The new channel - java.nio.channels.AsynchronousSocketChannel
throws: java.nio.channels.IllegalChannelGroupException - If the provider that created the group differs from this provider
Opens an asynchronous socket channel. group - The group to which the channel is bound, or null to bind to the default group - `java.nio.channels.AsynchronousChannelGroup` returns: The new channel - `java.nio.channels.AsynchronousSocketChannel` throws: java.nio.channels.IllegalChannelGroupException - If the provider that created the group differs from this provider
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