gtdeltaimpl.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></B></DD>
<DD>Name of property being affected.
 <p>
 <ul>
 <li>propertyName: "bean" property name when intergrating third party
     Java Beans into a more complex tree structure.
 <li>List and Arrays: the name of the list, and may be
     combined with getPosition to indicate location, NO_INDEX would indicate
     the entire "list" has been modified.
 </ul>
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/event/GTDelta.html#getName()">getName</A></CODE> in interface <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>name of affected Child, or <code>null</code> for root</DL>
</DD>
</DL>
<HR>

<A NAME="getPosition()"><!-- --></A><H3>
getPosition</H3>
<PRE>
public int <B>getPosition</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></B></DD>
<DD>Position in a "list" where the change occured, or NO_INDEX.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/event/GTDelta.html#getPosition()">getPosition</A></CODE> in interface <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Position in "list" or NO_INDEX.</DL>
</DD>
</DL>
<HR>

<A NAME="getKind()"><!-- --></A><H3>
getKind</H3>
<PRE>
public <A HREF="../../../org/geotools/event/GTDelta.Kind.html" title="class in org.geotools.event">GTDelta.Kind</A> <B>getKind</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></B></DD>
<DD>Returns the kind of this delta.

 <p>
 Normally, one of <code>ADDED</code>, <code>REMOVED</code> or
 <code>CHANGED</code>.
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/event/GTDelta.html#getKind()">getKind</A></CODE> in interface <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the kind of this resource delta<DT><B>See Also:</B><DD><CODE>Kind.ADDED</CODE>, 
<CODE>Kind.REMOVED</CODE>, 
<CODE>Kind.CHANGED</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getValue()"><!-- --></A><H3>
getValue</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getValue</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></B></DD>
<DD>Affected construct, getKind & getChildern
 indicate specific details of the change.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/event/GTDelta.html#getValue()">getValue</A></CODE> in interface <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Affected construct</DL>
</DD>
</DL>
<HR>

<A NAME="getOldValue()"><!-- --></A><H3>
getOldValue</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getOldValue</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></B></DD>
<DD>Construct being replaced with a changed, getValue is the replacing value.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/event/GTDelta.html#getOldValue()">getOldValue</A></CODE> in interface <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Affected construct</DL>
</DD>
</DL>
<HR>

<A NAME="getChildren()"><!-- --></A><H3>
getChildren</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/List.html" title="class or interface in java.util">List</A> <B>getChildren</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></B></DD>
<DD>Finds and returns deltas for specificly changed constructs.
 <p>
 This code may be considered more accessable then the use of
 GTDeltaVisitor.
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/event/GTDelta.html#getChildren()">getChildren</A></CODE> in interface <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>List of StyleDelta</DL>
</DD>
</DL>
<HR>

<A NAME="accept(org.geotools.event.GTDeltaVisitor)"><!-- --></A><H3>
accept</H3>
<PRE>
public void <B>accept</B>(<A HREF="../../../org/geotools/event/GTDeltaVisitor.html" title="interface in org.geotools.event">GTDeltaVisitor</A>&nbsp;visitor)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></B></DD>
<DD>Accepts the given visitor.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/event/GTDelta.html#accept(org.geotools.event.GTDeltaVisitor)">accept</A></CODE> in interface <CODE><A HREF="../../../org/geotools/event/GTDelta.html" title="interface in org.geotools.event">GTDelta</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>visitor</CODE> - </DL>
</DD>
</DL>
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