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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:
  Closeable, 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.ScatteringByteChannel
`read, read`

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

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

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 SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2009 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.