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## java.nio.channels
Class Pipe.SourceChannel

    java.lang.Object
      |
      +--java.nio.channels.spi.AbstractInterruptibleChannel
            |
            +--java.nio.channels.SelectableChannel
                  |
                  +--java.nio.channels.spi.AbstractSelectableChannel
                        |
                        +--java.nio.channels.Pipe.SourceChannel

All Implemented Interfaces:
  Channel, InterruptibleChannel, ReadableByteChannel, ScatteringByteChannel

Enclosing class:
  Pipe

public abstract static class Pipe.SourceChannel
extends AbstractSelectableChannel
implements ReadableByteChannel, ScatteringByteChannel

A channel representing the readable end of a `Pipe`.

Since:
  1.4

Constructor Summary
`protected` | `Pipe.SourceChannel(SelectorProvider provider)` Constructs a new instance of this class.

Method Summary
`int` | `validOps()` Returns an operation set identifying this channel's supported operations.

Methods inherited from class java.nio.channels.spi.AbstractSelectableChannel
`blockingLock, configureBlocking, implCloseChannel, implCloseSelectableChannel, implConfigureBlocking, isBlocking, isRegistered, keyFor, provider, register`

Methods inherited from class java.nio.channels.SelectableChannel
`register`

Methods inherited from class java.nio.channels.spi.AbstractInterruptibleChannel
`begin, close, end, isOpen`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface java.nio.channels.ReadableByteChannel
`read`

Methods inherited from interface java.nio.channels.Channel
`close, isOpen`

Methods inherited from interface java.nio.channels.ScatteringByteChannel
`read, read`

Constructor Detail

### Pipe.SourceChannel

    protected Pipe.SourceChannel(SelectorProvider provider)

  Constructs a new instance of this class.

Method Detail

### validOps

    public final int validOps()

  Returns an operation set identifying this channel's supported operations.

  Pipe-source channels only support reading, so this method returns `SelectionKey.OP_READ`.

  Specified by:
    `validOps` in class `SelectableChannel`
  Returns:
    The valid-operation set

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.