source: sandbox/expresso-solr/solr/docs/api/org/apache/solr/handler/dataimport/Evaluator.html @ 7588

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Ticket #000 - Adicionando a integracao de buscas com Solr na base a ser isnerida na comunidade
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8Evaluator (Solr 4.0.0-ALPHA API)
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91org.apache.solr.handler.dataimport</FONT>
92<BR>
93Class Evaluator</H2>
94<PRE>
95<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
96  <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.solr.handler.dataimport.Evaluator</B>
97</PRE>
98<HR>
99<DL>
100<DT><PRE>public abstract class <B>Evaluator</B><DT>extends <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
101</PRE>
102
103<P>
104<p>
105 Pluggable functions for resolving variables
106 </p>
107 <p>
108 Implementations of this abstract class must provide a public no-arg constructor.
109 </p>
110 <p>
111 Refer to <a
112 href="http://wiki.apache.org/solr/DataImportHandler">http://wiki.apache.org/solr/DataImportHandler</a>
113 for more details.
114 </p>
115 <b>This API is experimental and may change in the future.</b>
116<P>
117
118<P>
119<DL>
120<DT><B>Since:</B></DT>
121  <DD>solr 1.3</DD>
122</DL>
123<HR>
124
125<P>
126
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136<TD><CODE><B><A HREF="../../../../../org/apache/solr/handler/dataimport/Evaluator.html#Evaluator()">Evaluator</A></B>()</CODE>
137
138<BR>
139&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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153<CODE>abstract &nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
154<TD><CODE><B><A HREF="../../../../../org/apache/solr/handler/dataimport/Evaluator.html#evaluate(java.lang.String, org.apache.solr.handler.dataimport.Context)">evaluate</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;expression,
155         <A HREF="../../../../../org/apache/solr/handler/dataimport/Context.html" title="class in org.apache.solr.handler.dataimport">Context</A>&nbsp;context)</CODE>
156
157<BR>
158&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return a String after processing an expression and a <A HREF="../../../../../org/apache/solr/handler/dataimport/VariableResolver.html" title="class in org.apache.solr.handler.dataimport"><CODE>VariableResolver</CODE></A></TD>
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182
183<A NAME="Evaluator()"><!-- --></A><H3>
184Evaluator</H3>
185<PRE>
186public <B>Evaluator</B>()</PRE>
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188</DL>
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199
200<A NAME="evaluate(java.lang.String, org.apache.solr.handler.dataimport.Context)"><!-- --></A><H3>
201evaluate</H3>
202<PRE>
203public abstract <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>evaluate</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;expression,
204                                <A HREF="../../../../../org/apache/solr/handler/dataimport/Context.html" title="class in org.apache.solr.handler.dataimport">Context</A>&nbsp;context)</PRE>
205<DL>
206<DD>Return a String after processing an expression and a <A HREF="../../../../../org/apache/solr/handler/dataimport/VariableResolver.html" title="class in org.apache.solr.handler.dataimport"><CODE>VariableResolver</CODE></A>
207<P>
208<DD><DL>
209<DT><B>Parameters:</B><DD><CODE>expression</CODE> - string to be evaluated<DD><CODE>context</CODE> - instance
210<DT><B>Returns:</B><DD>the value of the given expression evaluated using the resolver<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/solr/handler/dataimport/VariableResolver.html" title="class in org.apache.solr.handler.dataimport"><CODE>VariableResolver</CODE></A></DL>
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