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## net.sf.saxon.xqj
Class Closable

    java.lang.Object
      net.sf.saxon.xqj.Closable

Direct Known Subclasses:
  SaxonXQDataFactory, SaxonXQDynamicContext, SaxonXQForwardSequence, SaxonXQItem, SaxonXQSequence

    public abstract class Closable

extends Object

This class represents the common ability of many XQJ classes to be closed. Note that closing an object serves no useful purpose in the Saxon implementation; this complex machinery is provided merely to satisfy the XQJ interface, which is designed to accommodate a client-server implementation.

Constructor Summary
`Closable()`

Method Summary
`void` | `close()` Close this object
`boolean` | `isClosed()` Ask whether this object has been closed.
`void` | `setClosableContainer(Closable container)` Set the container of this closable object.

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

Constructor Detail

### Closable

    public Closable()

Method Detail

### setClosableContainer

    public final void setClosableContainer(Closable container)

  Set the container of this closable object. Closing the container causes this object to be treated as closed itself

  Parameters:
    `container` - the container of this closable object

### close

    public final void close()

  Close this object

### isClosed

    public final boolean isClosed()

  Ask whether this object has been closed.

  Returns:
    true if either the object itself or its container has been closed

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