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<div class="subTitle">net.jini.io</div>
<h2 title="Interface ObjectStreamContext" class="title">Interface ObjectStreamContext</h2>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../net/jini/io/MarshalInputStream.html" title="class in net.jini.io">MarshalInputStream</a>, <a href="../../../net/jini/io/MarshalledInstance.MarshalledInstanceInputStream.html" title="class in net.jini.io">MarshalledInstance.MarshalledInstanceInputStream</a>, <a href="../../../net/jini/io/MarshalledInstance.MarshalledInstanceOutputStream.html" title="class in net.jini.io">MarshalledInstance.MarshalledInstanceOutputStream</a>, <a href="../../../net/jini/io/MarshalOutputStream.html" title="class in net.jini.io">MarshalOutputStream</a>, <a href="../../../net/jini/security/proxytrust/ProxyTrustVerifier.MOStream.html" title="class in net.jini.security.proxytrust">ProxyTrustVerifier.MOStream</a></dd>
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<pre>public interface <span class="typeNameLabel">ObjectStreamContext</span></pre>
<div class="block">Provides a collection of context information objects that are
associated with an <a href="http://docs.oracle.com/javase/6/docs/api/java/io/ObjectOutputStream.html?is-external=true" title="class or interface in java.io"><code>ObjectOutputStream</code></a> or <a href="http://docs.oracle.com/javase/6/docs/api/java/io/ObjectInputStream.html?is-external=true" title="class or interface in java.io"><code>ObjectInputStream</code></a> instance that implements this interface.
<p>The class of an object that is being serialized or deserialized
can test (in its private
<code>writeObject(ObjectOutputStream)</code> or
<code>readObject(ObjectInputStream)</code> method) if the object
stream being used implements this interface. If the stream does
implement this interface, the class can then retrieve context
information relevant to the overall serialization or
deserialization operation by invoking the <a href="../../../net/jini/io/ObjectStreamContext.html#getObjectStreamContext--"><code>getObjectStreamContext</code></a> method and
inspecting the elements of the returned collection.
<p>The contents of the collection are determined by the
implementation of the object stream. The context information
available from a given element of the collection is determined by
that element's type.
Examples of types that a context object might implement include
<a href="../../../net/jini/io/context/ClientHost.html" title="interface in net.jini.io.context"><code>ClientHost</code></a> and
<a href="../../../net/jini/io/context/ClientSubject.html" title="interface in net.jini.io.context"><code>ClientSubject</code></a>.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Sun Microsystems, Inc.</dd>
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<td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../net/jini/io/ObjectStreamContext.html#getObjectStreamContext--">getObjectStreamContext</a></span>()</code>
<div class="block">Returns this object stream's collection of context information
objects.</div>
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<h4>getObjectStreamContext</h4>
<pre><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&nbsp;getObjectStreamContext()</pre>
<div class="block">Returns this object stream's collection of context information
objects.
<p>The context information available from a given element of
the collection is determined by that element's type. The order
of the elements is insignificant. The collection may be empty.
<p>The caller of this method cannot assume that the returned
collection is modifiable.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>a collection of this stream's context objects</dd>
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