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Schema
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javax.xml.validation</FONT>
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Class Schema</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>javax.xml.validation.Schema</B>
</PRE>
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<DL>
<DT>public abstract class <B>Schema</B><DT>extends java.lang.Object</DL>
<P>
Immutable in-memory representation of grammar.
<p>
This object represents a set of constraints that can be checked/
enforced against an XML document.
<p>
A <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object is thread safe and applications are
encouraged to share it across many parsers in many threads.
<p>
A <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object is immutable in the sense that it shouldn't
change the set of constraints once it is created. In other words,
if an application validates the same document twice against the same
<A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A>, it must always produce the same result.
<p>
A <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object is usually created from <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>.
<p>
Two kinds of validators can be created from a <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object.
One is <A HREF="../../../javax/xml/validation/Validator.html" title="class in javax.xml.validation"><CODE>Validator</CODE></A>, which provides highly-level validation
operations that cover typical use cases. The other is
<A HREF="../../../javax/xml/validation/ValidatorHandler.html" title="class in javax.xml.validation"><CODE>ValidatorHandler</CODE></A>, which works on top of SAX for better
modularity.
<p>
This specification does not refine
the <CODE>Object.equals(java.lang.Object)</CODE> method.
In other words, if you parse the same schema twice, you may
still get <code>!schemaA.equals(schemaB)</code>.
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>1.5</DD>
<DT><B>See Also:</B><DD><a href="http://www.w3.org/TR/xmlschema-1/">XML Schema Part 1: Structures</a>,
<a href="http://www.w3.org/TR/xml11/">Extensible Markup Language (XML) 1.1</a>,
<a href="http://www.w3.org/TR/REC-xml">Extensible Markup Language (XML) 1.0 (Second Edition)</a></DL>
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<CODE>protected </CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/Schema.html#Schema()">Schema</A></B>()</CODE>
<BR>
Constructor for the derived class.</TD>
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<CODE>abstract <A HREF="../../../javax/xml/validation/Validator.html" title="class in javax.xml.validation">Validator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/Schema.html#newValidator()">newValidator</A></B>()</CODE>
<BR>
Creates a new <A HREF="../../../javax/xml/validation/Validator.html" title="class in javax.xml.validation"><CODE>Validator</CODE></A> for this <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A>.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract <A HREF="../../../javax/xml/validation/ValidatorHandler.html" title="class in javax.xml.validation">ValidatorHandler</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/Schema.html#newValidatorHandler()">newValidatorHandler</A></B>()</CODE>
<BR>
Creates a new <A HREF="../../../javax/xml/validation/ValidatorHandler.html" title="class in javax.xml.validation"><CODE>ValidatorHandler</CODE></A> for this <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A>.</TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="Schema()"><!-- --></A><H3>
Schema</H3>
<PRE>
protected <B>Schema</B>()</PRE>
<DL>
<DD>Constructor for the derived class.
<p>
The constructor does nothing.
<P>
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<A NAME="newValidator()"><!-- --></A><H3>
newValidator</H3>
<PRE>
public abstract <A HREF="../../../javax/xml/validation/Validator.html" title="class in javax.xml.validation">Validator</A> <B>newValidator</B>()</PRE>
<DL>
<DD>Creates a new <A HREF="../../../javax/xml/validation/Validator.html" title="class in javax.xml.validation"><CODE>Validator</CODE></A> for this <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A>.
<p>
A validator enforces/checks the set of constraints this object
represents.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>Always return a non-null valid object.</DL>
</DD>
</DL>
<HR>
<A NAME="newValidatorHandler()"><!-- --></A><H3>
newValidatorHandler</H3>
<PRE>
public abstract <A HREF="../../../javax/xml/validation/ValidatorHandler.html" title="class in javax.xml.validation">ValidatorHandler</A> <B>newValidatorHandler</B>()</PRE>
<DL>
<DD>Creates a new <A HREF="../../../javax/xml/validation/ValidatorHandler.html" title="class in javax.xml.validation"><CODE>ValidatorHandler</CODE></A> for this <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A>.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>Always return a non-null valid object.</DL>
</DD>
</DL>
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