source: other-projects/trunk/gs3-webservices-democlient/docs/GS3DemoClient/org/greenstone/gs3client/data/NodeData.html@ 15222

Last change on this file since 15222 was 15222, checked in by ak19, 16 years ago

Greenstone3 web services demo-clientadded to GS3's other-projects

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1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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3<HTML>
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5<!-- Generated by javadoc (build 1.5.0_10) on Sun Apr 27 20:47:19 NZST 2008 -->
6<TITLE>
7NodeData
8</TITLE>
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85<H2>
86<FONT SIZE="-1">
87org.greenstone.gs3client.data</FONT>
88<BR>
89Class NodeData</H2>
90<PRE>
91java.lang.Object
92 <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.greenstone.gs3client.data.NodeData</B>
93</PRE>
94<DL>
95<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/greenstone/gs3client/data/ClassifierNodeData.html" title="class in org.greenstone.gs3client.data">ClassifierNodeData</A>, <A HREF="../../../../org/greenstone/gs3client/data/DocumentNodeData.html" title="class in org.greenstone.gs3client.data">DocumentNodeData</A></DD>
96</DL>
97<HR>
98<DL>
99<DT><PRE>public abstract class <B>NodeData</B><DT>extends java.lang.Object</DL>
100</PRE>
101
102<P>
103Abstract superclass NodeData can represent either a the information in
104 a &lt;classifierNode&gt; (stored in a ClassifierNodeData object) or in a
105 &lt;documentNode&gt; (stored in a DocumentNodeData object).
106<P>
107
108<P>
109<DL>
110<DT><B>Author:</B></DT>
111 <DD>ak19</DD>
112</DL>
113<HR>
114
115<P>
116<!-- =========== FIELD SUMMARY =========== -->
117
118<A NAME="field_summary"><!-- --></A>
119<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
120<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
121<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
122<B>Field Summary</B></FONT></TH>
123</TR>
124<TR BGCOLOR="white" CLASS="TableRowColor">
125<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
126<CODE>&nbsp;boolean</CODE></FONT></TD>
127<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#hasChildren">hasChildren</A></B></CODE>
128
129<BR>
130&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Since we are setting the descendents lazily (only setting the children
131 each time), we have a little flag to indicate whether this node has
132 any children.</TD>
133</TR>
134<TR BGCOLOR="white" CLASS="TableRowColor">
135<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
136<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
137<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#nodeID">nodeID</A></B></CODE>
138
139<BR>
140&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The unique nodeID identifying this documentNode or classificationNode</TD>
141</TR>
142<TR BGCOLOR="white" CLASS="TableRowColor">
143<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
144<CODE>protected &nbsp;java.util.Map</CODE></FONT></TD>
145<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#nodeMetadata">nodeMetadata</A></B></CODE>
146
147<BR>
148&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Map of the metadata (name, value) pairs of this document-
149 or classifier-node</TD>
150</TR>
151<TR BGCOLOR="white" CLASS="TableRowColor">
152<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
153<CODE>protected &nbsp;org.w3c.dom.Element</CODE></FONT></TD>
154<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#nodeTag">nodeTag</A></B></CODE>
155
156<BR>
157&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;stores this NodeData's tag element: can be either
158 &lt;documentNode&gt; or &lt;classifierNode&gt;</TD>
159</TR>
160</TABLE>
161&nbsp;
162<!-- ======== CONSTRUCTOR SUMMARY ======== -->
163
164<A NAME="constructor_summary"><!-- --></A>
165<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
166<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
167<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
168<B>Constructor Summary</B></FONT></TH>
169</TR>
170<TR BGCOLOR="white" CLASS="TableRowColor">
171<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#NodeData(org.w3c.dom.Element)">NodeData</A></B>(org.w3c.dom.Element&nbsp;nodeTag)</CODE>
172
173<BR>
174&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor that extracts the nodeID value from the given nodeTag:
175 &lt;classifierNode nodeID = "x" /&gt;
176 or &lt;documentNode nodeID = "x" /&gt;</TD>
177</TR>
178</TABLE>
179&nbsp;
180<!-- ========== METHOD SUMMARY =========== -->
181
182<A NAME="method_summary"><!-- --></A>
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186<B>Method Summary</B></FONT></TH>
187</TR>
188<TR BGCOLOR="white" CLASS="TableRowColor">
189<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
190<CODE>abstract &nbsp;<A HREF="../../../../org/greenstone/gs3client/data/NodeData.html" title="class in org.greenstone.gs3client.data">NodeData</A>[]</CODE></FONT></TD>
191<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#getChildren()">getChildren</A></B>()</CODE>
192
193<BR>
194&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
195</TR>
196<TR BGCOLOR="white" CLASS="TableRowColor">
197<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
198<CODE>&nbsp;java.util.Map</CODE></FONT></TD>
199<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#getMetadataList()">getMetadataList</A></B>()</CODE>
200
201<BR>
202&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
203</TR>
204<TR BGCOLOR="white" CLASS="TableRowColor">
205<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
206<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
207<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#getTitle()">getTitle</A></B>()</CODE>
208
209<BR>
210&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
211</TR>
212<TR BGCOLOR="white" CLASS="TableRowColor">
213<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
214<CODE>protected &nbsp;void</CODE></FONT></TD>
215<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#setChildren(java.util.Vector, java.util.Map)">setChildren</A></B>(java.util.Vector&nbsp;v,
216 java.util.Map&nbsp;idsToNodes_map)</CODE>
217
218<BR>
219&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Called when setting descendents lazily: only the children of this
220 node are set.</TD>
221</TR>
222<TR BGCOLOR="white" CLASS="TableRowColor">
223<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
224<CODE>&nbsp;void</CODE></FONT></TD>
225<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#setMetadataList(org.w3c.dom.Element)">setMetadataList</A></B>(org.w3c.dom.Element&nbsp;nodeTag)</CODE>
226
227<BR>
228&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets member metadataList if there is a &lt;metadataList&gt; subelement in
229 docNodeTag: first get the &lt;metadataList&gt; then its &lt;metadata&gt;
230 children</TD>
231</TR>
232<TR BGCOLOR="white" CLASS="TableRowColor">
233<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
234<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
235<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#show()">show</A></B>()</CODE>
236
237<BR>
238&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
239</TR>
240<TR BGCOLOR="white" CLASS="TableRowColor">
241<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
242<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
243<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#showMeta()">showMeta</A></B>()</CODE>
244
245<BR>
246&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
247</TR>
248<TR BGCOLOR="white" CLASS="TableRowColor">
249<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
250<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
251<TD><CODE><B><A HREF="../../../../org/greenstone/gs3client/data/NodeData.html#toString()">toString</A></B>()</CODE>
252
253<BR>
254&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
255</TR>
256</TABLE>
257&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
258<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
259<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
260<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
261</TR>
262<TR BGCOLOR="white" CLASS="TableRowColor">
263<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
264</TR>
265</TABLE>
266&nbsp;
267<P>
268
269<!-- ============ FIELD DETAIL =========== -->
270
271<A NAME="field_detail"><!-- --></A>
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273<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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275<B>Field Detail</B></FONT></TH>
276</TR>
277</TABLE>
278
279<A NAME="nodeID"><!-- --></A><H3>
280nodeID</H3>
281<PRE>
282public final java.lang.String <B>nodeID</B></PRE>
283<DL>
284<DD>The unique nodeID identifying this documentNode or classificationNode
285<P>
286<DL>
287</DL>
288</DL>
289<HR>
290
291<A NAME="hasChildren"><!-- --></A><H3>
292hasChildren</H3>
293<PRE>
294public final boolean <B>hasChildren</B></PRE>
295<DL>
296<DD>Since we are setting the descendents lazily (only setting the children
297 each time), we have a little flag to indicate whether this node has
298 any children.
299<P>
300<DL>
301</DL>
302</DL>
303<HR>
304
305<A NAME="nodeTag"><!-- --></A><H3>
306nodeTag</H3>
307<PRE>
308protected final org.w3c.dom.Element <B>nodeTag</B></PRE>
309<DL>
310<DD>stores this NodeData's tag element: can be either
311 &lt;documentNode&gt; or &lt;classifierNode&gt;
312<P>
313<DL>
314</DL>
315</DL>
316<HR>
317
318<A NAME="nodeMetadata"><!-- --></A><H3>
319nodeMetadata</H3>
320<PRE>
321protected java.util.Map <B>nodeMetadata</B></PRE>
322<DL>
323<DD>Map of the metadata (name, value) pairs of this document-
324 or classifier-node
325<P>
326<DL>
327</DL>
328</DL>
329
330<!-- ========= CONSTRUCTOR DETAIL ======== -->
331
332<A NAME="constructor_detail"><!-- --></A>
333<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
334<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
335<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
336<B>Constructor Detail</B></FONT></TH>
337</TR>
338</TABLE>
339
340<A NAME="NodeData(org.w3c.dom.Element)"><!-- --></A><H3>
341NodeData</H3>
342<PRE>
343public <B>NodeData</B>(org.w3c.dom.Element&nbsp;nodeTag)</PRE>
344<DL>
345<DD>Constructor that extracts the nodeID value from the given nodeTag:
346 &lt;classifierNode nodeID = "x" /&gt;
347 or &lt;documentNode nodeID = "x" /&gt;
348<P>
349</DL>
350
351<!-- ============ METHOD DETAIL ========== -->
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357<B>Method Detail</B></FONT></TH>
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359</TABLE>
360
361<A NAME="getChildren()"><!-- --></A><H3>
362getChildren</H3>
363<PRE>
364public abstract <A HREF="../../../../org/greenstone/gs3client/data/NodeData.html" title="class in org.greenstone.gs3client.data">NodeData</A>[] <B>getChildren</B>()</PRE>
365<DL>
366<DD><DL>
367
368<DT><B>Returns:</B><DD>an array of the children of this NodeData, however such a
369 structure may be stored internally by a NodeData subclass.</DL>
370</DD>
371</DL>
372<HR>
373
374<A NAME="setMetadataList(org.w3c.dom.Element)"><!-- --></A><H3>
375setMetadataList</H3>
376<PRE>
377public void <B>setMetadataList</B>(org.w3c.dom.Element&nbsp;nodeTag)</PRE>
378<DL>
379<DD>Sets member metadataList if there is a &lt;metadataList&gt; subelement in
380 docNodeTag: first get the &lt;metadataList&gt; then its &lt;metadata&gt;
381 children
382<P>
383<DD><DL>
384<DT><B>Parameters:</B><DD><CODE>nodeTag</CODE> - is a documentNode or classifierNode XML Element that
385 contains metadata information which is used to set this NodeData object's
386 metadata (if there are any, the HashMap nodeMetadata will be set).</DL>
387</DD>
388</DL>
389<HR>
390
391<A NAME="setChildren(java.util.Vector, java.util.Map)"><!-- --></A><H3>
392setChildren</H3>
393<PRE>
394protected void <B>setChildren</B>(java.util.Vector&nbsp;v,
395 java.util.Map&nbsp;idsToNodes_map)</PRE>
396<DL>
397<DD>Called when setting descendents lazily: only the children of this
398 node are set. We don't care to setDescendents now, will set it later
399 when necessary.
400<P>
401<DD><DL>
402<DT><B>Parameters:</B><DD><CODE>v</CODE> - is an empty/non-null Vector which will, at method's end, contain
403 all the Document- or ClassifierNodeData objects that are children of
404 this NodeData object.</DL>
405</DD>
406</DL>
407<HR>
408
409<A NAME="getMetadataList()"><!-- --></A><H3>
410getMetadataList</H3>
411<PRE>
412public java.util.Map <B>getMetadataList</B>()</PRE>
413<DL>
414<DD><DL>
415
416<DT><B>Returns:</B><DD>a hashmap of this document's metadata (name, val) pairs.
417 A null is returned if the nodeMetadata has not been set yet.</DL>
418</DD>
419</DL>
420<HR>
421
422<A NAME="getTitle()"><!-- --></A><H3>
423getTitle</H3>
424<PRE>
425public java.lang.String <B>getTitle</B>()</PRE>
426<DL>
427<DD><DL>
428
429<DT><B>Returns:</B><DD>the title of this docNodeData object, if any is set. If it's
430 not been set yet (title metadata not yet set, a null is returned.</DL>
431</DD>
432</DL>
433<HR>
434
435<A NAME="toString()"><!-- --></A><H3>
436toString</H3>
437<PRE>
438public java.lang.String <B>toString</B>()</PRE>
439<DL>
440<DD><DL>
441<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
442</DD>
443<DD><DL>
444
445<DT><B>Returns:</B><DD>the title of this docNodeData object, if any.
446 Otherwise the nodeID is returned.
447 This method is useful for displaying this docNodeData object as a
448 node in a JTree. Some meaningful displayable value is returned,
449 unlike getTitle() which returns a null if title is not set yet.</DL>
450</DD>
451</DL>
452<HR>
453
454<A NAME="show()"><!-- --></A><H3>
455show</H3>
456<PRE>
457public java.lang.String <B>show</B>()</PRE>
458<DL>
459<DD><DL>
460
461<DT><B>Returns:</B><DD>the details contained in this NodeData object.
462 Useful for debugging purposes.</DL>
463</DD>
464</DL>
465<HR>
466
467<A NAME="showMeta()"><!-- --></A><H3>
468showMeta</H3>
469<PRE>
470public java.lang.String <B>showMeta</B>()</PRE>
471<DL>
472<DD><DL>
473
474<DT><B>Returns:</B><DD>a String representation of the contains of the
475 nodeMetadata list (useful for debugging purposes).</DL>
476</DD>
477</DL>
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